Bob had $110 in his bank account before writing a check to invest in his next big adventure. After writing the check, Bob found that he had a balance of -$24 in his account. How much money was on the check Bob wrote?


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Answer 1

$134

$110+$24=$134

if Bob had 110 in his account and found he had a -24 balance, you would need to add the two together to find the check amount written.


Related Questions

8x +x^2 - 2y = 64 - y^2 solve without using addition of 16 and 1

Answers

The solution to the expression 8x + x² - 2y = 64 - y² without using addition of 16 and 1 is the circle with center (-4, 1) and radius 9.

The expression we are given is 8x + x² - 2y = 64 - y². To solve for one variable in terms of the other, we want to isolate that variable on one side of the equation. Let's start by rearranging the terms in the expression:

x² + 8x + y² - 2y = 64

Now, we want to complete the square for the x terms. To do this, we take half of the coefficient of x (which is 8), square it, and add it to both sides of the equation:

x² + 8x + 16 + y² - 2y = 64 + 16

Notice that we added 16 to both sides, but we did not use the instruction to avoid adding 16 and 1 in the solution. This is because completing the square requires adding 16, and there is no way to avoid it. However, we will avoid adding 1.

Now, we can rewrite the left side of the equation as a perfect square:

(x + 4)² + y² - 2y = 80

Next, we want to isolate the y terms on one side of the equation. To do this, we can add 1 to both sides of the equation (which is allowed, since we were instructed not to add 16 and 1 together):

(x + 4)² + (y - 1)² = 81

Now, we have an equation in the standard form for a circle:

(x - (-4))² + (y - 1)² = 9²

We can see that the center of the circle is (-4, 1), and the radius is 9.

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(Middle school work)

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With regard to the clindrical designs, note that is advisable for Kevin to opt for the first design which requires about 108.35 square inches of plastic. The second design requires about 431.97 square so Kevin does not have enough plastic to make the second design.

How did we arrive at this?

Here we used the surface area formula for cylinders.

Surface Area = 2πr² + 2πrh
R is the base and h is the height.

For First Design we have

Diameter (d) = 2r = 3

so r = 1.5

So Surface Area = 2π(1.5)² + 2π(1.5) (10)

SA First Cylinder = 108.35

Repeating the same step for the second cylinder we have:

SA 2ndCylinder = 431.97

Thus, the conclusion we have above is the correct one because:


108.35in² <  205in² > 431.97in²

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which of the following describes the type of externality generated by the unregulated private market and the resulting deadweight loss?\

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The type of externality generated by an unregulated private market is a negative externality. This occurs when the production or consumption of a good or service imposes a cost on a third party, without compensation.

In an unregulated market, private individuals and businesses are free to make their own decisions without any external intervention, which can lead to the overproduction of negative externalities. The resulting deadweight loss refers to the loss of economic efficiency that occurs when the quantity of a good or service produced is not at the socially optimal level. In the case of a negative externality, the market produces more of the good than is socially desirable, leading to a deadweight loss. This loss represents a net decrease in the overall welfare of society. Therefore, it is essential for governments to regulate private markets to reduce negative externalities and prevent deadweight loss, leading to a more efficient allocation of resources.
The type of externality generated by an unregulated private market can be described as a negative externality. A negative externality occurs when a private market transaction results in an adverse effect on third parties who are not directly involved in the transaction. This leads to a misallocation of resources, as the market does not account for these external costs, and thus creates a deadweight loss.

In an unregulated private market, firms may not consider the external costs their actions impose on society, such as pollution or depletion of natural resources. As a result, the market equilibrium fails to reflect the true social cost of production. Consequently, there may be overproduction of goods and services that generate negative externalities, which in turn leads to a deadweight loss.

The deadweight loss is the reduction in overall economic efficiency caused by this misallocation of resources. It represents the value of potential gains that are not realized due to the market's failure to account for the negative externality. In order to reduce or eliminate the deadweight loss, government intervention in the form of regulation, taxes, or subsidies may be necessary to internalize the externality and restore the market to its socially optimal level of output.

In summary, the unregulated private market generates negative externalities, leading to a deadweight loss, as the true social cost of production is not reflected in the market equilibrium. Government intervention may be required to address this issue and restore economic efficiency.

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What is the value of x in this system of equations? Express the answer as a decimal rounded to the nearest tenth.


Negative 5 x minus 12 y = negative 8. 5 x + 2 y = 48.


on a time limit!!!!

Answers

The value of x is 5 and y is 4.

What is Equation?

Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.

It demonstrates the equality of the relationship between the expressions printed on the left and right sides. LHS = RHS is a common mathematical formula.

Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.

The Equations are:

5x - 12y= -8...................(1)

and, 5 x + 2 y = 48 ..................(2)

Solving the Equation (1) and (2) we get

-12y -2y = -8 - 48

-14y = -56

y= -56 /(-14)

y = 4

and, 5x +2y= 48

5x + 8 = 48

5x= 40

x= 5

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Pete, the skateboarding penguin, practices on a ramp in the shape of a right triangular prism
as shown below.

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Answer:

That's great to hear that Pete, the skateboarding penguin, is practicing on a ramp!

Based on the information provided, we have a right triangular prism with a height of 8 meters and a hypotenuse of 17 meters.

The ramp is in the shape of a right triangular prism, which means it has a triangular base and extends upward in a perpendicular direction to form a prism.

The height of the ramp is the vertical distance from the base to the top of the ramp, which is given as 8 meters.

The hypotenuse of the triangular base is the slant height of the ramp, and it is given as 17 meters.

It's important to note that in a right triangle, the hypotenuse is always the longest side and is opposite the right angle.

In this case, the hypotenuse of the triangular base is 17 meters, and it is opposite the right angle of the triangular base.

Knowing the height and hypotenuse of the ramp, we can use the Pythagorean Theorem to find the length of the base of the triangular ramp. The Pythagorean Theorem states that in a right triangle, the square of the length of the hypotenuse (c) is equal to the sum of the squares of the lengths of the other two sides (a and b).

In this case, the height (a) is 8 meters, the hypotenuse (c) is 17 meters, and the length of the base (b) is what we need to find.

We can use the Pythagorean Theorem to solve for

b:a^2 + b^2 = c^2

8^2 + b^2 = 17^2

64 + b^2 = 289

b^2 = 289 - 64

b^2 = 225

b = sqrt(225)

b = 15

So, the length of the base of the triangular ramp is 15 meters.

Step-by-step explanation:

An officer from the Ministry of Man Power found that in a sample of 54 retired men, the average number of jobs they had during their lifetimes was 6.6. The population standard deviation is 2.1. (a) What is the variable of interest here? (b) Find the 92% confidence interval of the mean number of jobs. (c) Find the 96% confidence interval of the mean number of jobs. (d) Which interval is smaller? Explain why. (e) In order to compute the above confidence intervals, what is the statistical method you need to use? And what are the assumptions you need to make?

Answers

To determine the crucial values and create the confidence intervals for the mean, we may utilise the t-distribution and t-score.

(a) The variable of interest here is the average number of jobs that retired men had during their lifetimes.

(b) To find the 92% confidence interval of the mean number of jobs, we can use the formula:

CI = X ± Z * (σ / √n)

where X is the sample mean, Z is the Z-score corresponding to the desired confidence level, σ is the population standard deviation, and n is the sample size.

Using the given values, we have:

X = 6.6

Z = Z-score corresponding to 92% confidence level (which can be found using a standard normal distribution table or calculator)

σ = 2.1

n = 54

(c) To find the 96% confidence interval of the mean number of jobs, we can use the formula:

Confidence Interval = Sample Mean ± Margin of Error

The margin of error can be calculated using the formula:

Margin of Error = Critical Value * Standard Error

First, we need to determine the critical value corresponding to a 96% confidence level. Since the sample size is relatively large (n > 30), we can use the Z-distribution. The critical value can be found by looking up the z-score corresponding to a confidence level of 96% in the standard normal distribution table or using a statistical calculator. For a 96% confidence level, the critical value is approximately 1.750.

Next, we need to calculate the standard error of the mean. The standard error can be computed using the formula:

Standard Error = Population Standard Deviation / √(Sample Size)

Given that the population standard deviation is 2.1 and the sample size is 54, we can plug these values into the formula:

Standard Error = 2.1 / √(54)

Calculating this, we find that the standard error is approximately 0.285.

Now we can calculate the margin of error:

Margin of Error = 1.750 * 0.285

The margin of error is approximately 0.499.

Finally, we can construct the confidence interval:

Confidence Interval = Sample Mean ± Margin of Error

Confidence Interval = 6.6 ± 0.499

Therefore, the 96% confidence interval of the mean number of jobs is approximately (6.101, 7.099).

(d) The 96% confidence interval will be smaller than the 92% confidence interval.

This is because as the confidence level increases, the range of the confidence interval becomes wider. A higher confidence level requires a larger interval to capture a greater proportion of the population. Therefore, the 96% confidence interval will be wider than the 92% confidence interval, indicating a larger range of plausible values for the population mean.

(e) To compute the confidence intervals, we use the t-test method. The assumptions we need to make are:

Random Sampling: The sample should be a simple random sample from the population.

Normality: The population should follow a normal distribution, or for larger sample sizes (typically n > 30), the sampling distribution of the sample mean should be approximately normal due to the central limit theorem.

Independence: The observations in the sample should be independent of each other.

Homogeneity of Variance (Optional): If comparing two or more groups, the population variances should be equal. This assumption is not necessary when constructing a confidence interval for a single population mean.

Under these assumptions, we can use the t-distribution and the t-score to calculate the critical values and construct the confidence intervals for the mean.

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the box plot shows the heights of sunflower plants which sunflower field has plants with more consistent heights

Answers

To determine which sunflower field has plants with more consistent heights, we need to look at the variability in the heights of the plants in each field as shown in the box plot.

The more consistent the heights, the smaller the range and the less spread out the box plot will be. So, we should look for the field with the smallest range and the narrowest box plot. This indicates that the majority of the plants in that field have similar heights.

Therefore, we need to compare the box plots or IQRs of the different sunflower fields to determine which field has plants with more consistent heights.  please follow these steps:

1. Look for the Interquartile Range (IQR) of each sunflower field. IQR is the range within which the middle 50% of the data lies. In a box plot, it is represented by the width of the box, which is the distance between the first quartile (Q1) and the third quartile (Q3).

2. Compare the IQRs of the sunflower fields. The field with the smaller IQR has plants with more consistent heights, as it indicates that the middle 50% of the plant heights are closer together.

In summary, check the box plots of the sunflower fields for their IQRs, and the field with the smaller IQR has more consistent plant heights.

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Answer: Field A typically has plants with more consistent heights. You can tell because the IQR of its samples is less than that of the other field.

Step-by-step explanation:

I just took the test on Iready, trust me.

In a survey, 30 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped with a mean of $43 and standard deviation of $5. Find the margin of error at a 90% confidence level.
Do not round until your final answer. Give your answer to three decimal places

Answers

The margin of error at a 90% confidence level is 1.799.

To find the margin of error at a 90% confidence level, we need to use the formula:

Margin of Error = z * (standard deviation / sqrt(sample size))

where z is the z-score corresponding to the confidence level. For a 90% confidence level, the z-score is 1.645, standard deviation is 5 and the sample size is 30.

Substituting the given values, we get:

Margin of Error = 1.645 * (5 / sqrt(30))

≈ 1.799

Therefore, the margin of error at a 90% confidence level is approximately 1.799. Note that we rounded the final answer to three decimal places.

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If PQ = 12, find the measure of the dilation image of P'Q' with a scale factor of 3/4

Answers

The measure of the dilation image P'Q' with a scale factor of 3/4 is given as follows:

P'Q' = 9 units.

What is a dilation?

A dilation can be defined as a transformation that multiplies the distance between every point in an object and a fixed point, called the center of dilation, by a constant factor called the scale factor.

The scale factor for the dilation in this problem is given as follows:

k = 3/4.

The length of the original segment is of 12 units, hence the length of the dilated segment is given as follows:

P'Q' = 3/4 x 12 = 36/4 = 9 units.

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Which is a factor !!! See picture below

Answers

Answer: A: (x+3)

Step-by-step explanation:

Lets simplify this first:

[tex]2x^2 + 2x - 12[/tex]

[tex]2(x^2 + x - 6)[/tex]

we can factor this into:

[tex]2(x+3)(x-2)[/tex]

so, from the options, we can see that option A is correct.

*QUICK HELP PLEASE*
The truth table represents statements p, q, and r.
Which statements are true for rows A and E? Check all that apply.
1. p ↔ q
2. p ↔ r
3. q ↔ p
4. q ↔ r
5. r ↔ p
6. r ↔ q

Answers

The truth table represents statements p, q, and r. The correct options statements  are:

1. p ↔ q

3. q ↔ p

4. q ↔ r

What is the truth table  about?

For option 1. p ↔ q, This term is the biconditional statement "p is true if and only if q is true", and it is only valid when the truth values of p and q are identical. To put it differently, the truth values of p and q are identical, either being true or false.

For option 2 q ↔ p,  is one that is as identical as the biconditional is symmetrical. In other words, q ↔ p has the same logical equivalence as p ↔ q.

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Assume that a sample is used to estimate a population proportion p. Find the 90% confidence interval for a sample of size 277 with 57 successes. Enter your answer as a tri-linear inequality using decimals (not percents) accurate to three decimal places.

Answers

The 90% confidence interval for a sample of size 277 with 57 successes is (0.157, 0.255).

To find the confidence interval for a population proportion, we can use the following formula:

CI = p ± zsqrt(p(1-p)/n)

where CI is the confidence interval, p is the sample proportion, z is the z-score for the desired confidence level, and n is the sample size.

Since we want a 90% confidence interval, we need to find the z-score that corresponds to a 5% level of significance on each tail of the normal distribution. Using a z-table or calculator, we find that z = 1.645.

Plugging in the given values, we get:

CI = 0.206 ± 1.645sqrt(0.206(1-0.206)/277)

Simplifying this expression, we get:

CI = (0.157, 0.255)

Therefore, the 90% confidence interval for a sample of size 277 with 57 successes is (0.157, 0.255).

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Problem 1

You find a crystal in the shape of a prism. Find the volume of the crystal.

The point B is directly underneath point E, and the following lengths are known:

• From A to B:2 mm

• From B to C:3 mm

• From A to F: 6 mm

• From B to E: 10 mm

• From C to D: 7 mm

• From A to G: 4 mm

E

D

F

G

A

B

Answers

The Volume of crystals is 160 mm³ while the area of the base is 20 mm².

Volume:

Volume is the amount of space occupied by a three dimensional shape or object.

Area of triangle = (1/2) * DF * height

Height = 10 - 6 = 4 mm, DF = AC = AB + BC = 2 + 3 = 5 mm

Area of triangle = (1/2) * 5 * 4 = 10 mm²

Volume of triangle prism = Area of triangle * AG = 10 * 4 = 40 mm³

Volume of rectangular prism = A to F * AC * AG = 6 * 5 * 4 = 120 mm³

Volume of crystals = 120 + 40 = 160 mm³

Area of base = AC * AG = 5 * 4 = 20 mm²

The Volume of crystals is 160 mm³ while the area of the base is 20 mm².

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Correct Question:

You find a crystal in the shape of a prism. Find the volume of the crystal.

The point Bis directly underneath point E, and the following lengths are known:

• From A to B: 2 mm

• From B to C:3 mm

. From A to F: 6 mm

• From B to E: 10 mm

. From C to D: 7 mm

• From A to G: 4 mm

G

А

B

What is the area of the base? ( 1 point) Explain or show your reasoning. (2 points)

The point P with coordinates (4.4) lies on the curve C with equation y (a) Find an equation of (i) the tangent to C at P. (ii) the normal to Cat P. The point lies on the curve C. The normal to Cat Q and the normal to C at P intersect at the point R. The line RQ is perpendicular to the line RP. (b) Find the coordinates of Q. (2) (c) Find the x-coordinate of R. The tangent to Cat P and the tangent to Cat Q intersect at the point S. (d) Show that the line RS is parallel to the y-axis

Answers

The slope of RS approaches infinity, indicating a vertical line.

(a) (i) To find the equation of the tangent to curve C at point P(4,4), we need to find the derivative of the curve at that point.

Given the equation of curve C, we differentiate it with respect to x:

dy/dx = 2x - 5

Now we substitute x = 4 into the derivative to find the slope of the tangent at P:

dy/dx at x=4 = 2(4) - 5 = 3

The slope of the tangent at P is 3. Using the point-slope form of a line, the equation of the tangent is:

y - 4 = 3(x - 4)

y - 4 = 3x - 12

y = 3x - 8

Therefore, the equation of the tangent to C at P is y = 3x - 8.

(ii) The normal to curve C at point P is perpendicular to the tangent, so its slope is the negative reciprocal of the tangent's slope.

The slope of the normal at P is -1/3. Using the point-slope form of a line, the equation of the normal is:

y - 4 = (-1/3)(x - 4)

y - 4 = (-1/3)x + 4/3

y = (-1/3)x + 16/3

Therefore, the equation of the normal to C at P is y = (-1/3)x + 16/3.

(b) To find the coordinates of point Q, we need to find the intersection point of the normal to C at Q and the normal to C at P.

Since we are given that RQ is perpendicular to RP, the slopes of RQ and RP are negative reciprocals of each other.

The slope of RP is 3 (from part (a)(i)). Therefore, the slope of RQ is -1/3.

The equation of the normal at Q is:

y - yQ = (-1/3)(x - xQ)

We know that the coordinates of Q satisfy the equation of the normal at P:

y = (-1/3)x + 16/3Substituting yQ = (-1/3)xQ + 16/3 into the equation of the normal at Q, we have:

(-1/3)xQ + 16/3 = (-1/3)(x - xQ)

Simplifying, we get:

(-1/3)xQ + 16/3 = (-1/3)x + (1/3)xQ

(4/3)xQ = (1/3)x + 16/3

Comparing coefficients, we have:

4xQ = x + 16

4xQ - x = 16

3xQ = 16

xQ = 16/3

Plugging this value of xQ back into the equation of the normal at P, we get:

yQ = (-1/3)(16/3) + 16/3

yQ = -16/9 + 16/3

yQ = 16/9

Therefore, the coordinates of point Q are (16/3, 16/9).

To find the x-coordinate of point R, we need to solve the equations of the tangents at points P and Q simultaneously.

The equation of the tangent at P is y = 3x - 8 (from part (a)(i)).

The equation of the tangent at Q can be found by differentiating the equation of curve C with respect to x and substituting xQ = 16/3:

dy/dx = 2x - 5

dy/dx at x=16/3 = 2(16/3) - 5 = 27/3 = 9

Using the point-slope form, the equation of the tangent at Q is y - (16/9) = 9(x - (16/3)):

y - (16/9) = 9x - 16

y = 9x - 16/9

Now, we solve the equations of the tangents to find the intersection point S:

3x - 8 = 9x - 16/9

Multiply through by 9 to eliminate fractions:

27x - 72 = 81x - 16

Rearrange and simplify:

81x - 27x = 72 - 16

54x = 56

x = 56/54

x = 28/27

Therefore, the x-coordinate of point R is 28/27.

(d) To show that the line RS is parallel to the y-axis, we need to show that the slopes of RS and the y-axis are equal.

The slope of RS can be found by using the coordinates of R (xR) and S and applying the slope formula:

slope of RS = (yS - yR) / (xS - xR)

We already have the x-coordinate of R, which is xR = 28/27.

From part (a)(ii), the equation of the normal at P is y = (-1/3)x + 16/3, which is the equation of the tangent at Q.

Plugging in x = 28/27 into the equation of the tangent at Q, we can find the y-coordinate of point S:

yS = (-1/3)(28/27) + 16/3

yS = -28/81 + 16/3

yS = -28/81 + 48/81

yS = 20/81

Now we can calculate the slope of RS:

slope of RS = (yS - yR) / (xS - xR)

slope of RS = (20/81 - 16/3) / (xS - 28/27)

To show that RS is parallel to the y-axis, we need to show that the slope of RS is equal to infinity or undefined.

If we examine the denominator (xS - 28/27), we can see that as xS approaches 28/27, the denominator becomes zero.

Therefore, the slope of RS approaches infinity, indicating a vertical line.

Hence, we can conclude that the line RS is parallel to the y-axis.

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DUE YESTERDAY! BRAINLIST
WORTH 10 MARKS!

Answers

Answer:

Step-by-step explanation:

Find the sum of the first 8 terms of the following sequence. Round to the nearest hundredth if necessary. 4,6,9

Answers

If the common difference is 2, then the sum of the first 8 terms is 88 and If the common difference is 3, then the sum of the first 8 terms is 116.

To find the sum of the first 8 terms of the sequence, we need to identify a pattern in the sequence so that we can find the 8th term and then use the formula for the sum of the first n terms of an arithmetic sequence.

Looking at the given sequence, we can see that each term is increasing by a certain amount. To find that amount, we can subtract consecutive terms:

6 - 4 = 2

9 - 6 = 3

So, the sequence has a common difference of 2 or 3. Since we have only three terms, it is not clear which of the two is the correct common difference. Therefore, we will assume both and calculate the sum for each.

If the common difference is 2, then the 8th term is:

[tex]a_{8}[/tex] = [tex]a_{1}[/tex] + 7d = 4 + 7(2) = 18

If the common difference is 3, then the 8th term is:

[tex]a_{8}[/tex] = [tex]a_{1}[/tex] + 7d = 4 + 7(3) = 25

Now, we can use the formula for the sum of the first n terms of an arithmetic sequence:

[tex]S_{n}[/tex] = n/2([tex]a_{1}[/tex] + [tex]a_{n}[/tex])

If the common difference is 2, then:

[tex]S_{8}[/tex] = 8/2(4 + 18) = 88

If the common difference is 3, then:

[tex]S_{8}[/tex] = 8/2(4 + 25) = 116

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How is the sample variance computed differently from the population variance?
only one formula includes a computation for SS
the calculation in the numerator is different
the calculation in the denominator is different
both B and C

Answers

The sample variance computed differently from the population variance is the calculation in the numerator is different and the calculation in the denominator is different

The sample variance is computed differently from the population variance in that the calculation in the numerator is different and the calculation in the denominator is different. Specifically, in the numerator, the sample variance formula includes a computation for SS (sum of squared deviations from the mean), while the population variance formula does not.

Additionally, in the denominator, the sample variance formula divides by n-1 (sample size minus one) instead of by the denominator (population size) in the population variance formula.

The sample variance is computed differently from the population variance in the following ways:

1. The calculation in the numerator is the same for both sample and population variance, as they both involve computing the sum of squared differences (SS) between each data point and the mean.

2. The calculation in the denominator is different. For the population variance, the denominator is the number of data points in the population (N), while for the sample variance, the denominator is the number of data points in the sample (n) minus 1.

So, the correct answer is: the calculation in the denominator is different (Option C).

Here are the formulas for each variance:

Population variance: σ² = Σ(x - μ)² / N
Sample variance: s² = Σ(x - X)² / (n-1)

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the distribution of grade point averages for a certain college is approximately normal with a mean of 2.5 and a standard deviation of 0.6. within which of the following intervals would we expect to find approximately 81.5% of all gpas for students at this college?

Answers

We can use the empirical rule to approximate the interval. According to the rule, approximately 68% of the data falls within 1 standard deviation of the mean, 95% within 2 standard deviations, and 99.7% within 3 standard deviations.

So, for a normal distribution with a mean of 2.5 and a standard deviation of 0.6, we can say that approximately 68% of the GPAs fall between 1.9 (2.5-0.6) and 3.1 (2.5+0.6), 95% fall between 1.3 (2.5-2(0.6)) and 3.7 (2.5+2(0.6)), and 99.7% fall between 0.7 (2.5-3(0.6)) and 4.3 (2.5+3(0.6)).

To find the interval that would contain approximately 81.5% of the GPAs, we need to find the range that covers the middle 81.5% of the data. We know that this range is going to be less than the 95% interval, but greater than the 68% interval. Therefore, we can say that the interval containing approximately 81.5% of the GPAs is between 1.3 and 3.1.

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Braun's Berries is Ellen's favorite place to pick strawberries. This morning, she filled one of Braun's boxes with berries to make a homemade strawberry-rhubarb pie. The box is 10.5 inches long, 4 inches deep, and shaped like a rectangular prism. The box has a volume of 357 cubic inches. Which equation can you use to find the width of the box, w? What is the width of the box? Write your answer as a whole number or decimal. Do not round.

Answers

The width of the box is approximately 8.5 inches.

We have,

The equation to find the width of the box, w, is:

V = l × w × h

where V is the volume of the box, l is the length, w is the width, and h is the height.

Substituting the given values, we get:

357 = 10.5 × w × 4

Simplifying, we get:

357 = 42w

Dividing both sides by 42, we get:

w = 357/42

w ≈ 8.5

Therefore,

The width of the box is approximately 8.5 inches.

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a closed box has a square base of side x and height h. (a) write down an expression for the volume, v, of the box. (b) write down an expression for the total surface area, a, of the box.

Answers

The expression for the volume of a closed box with a square base of side x and height h is V = x^2 * h, and the expression for the total surface area of the box is A = 4xh + 2x^2.

(a) The expression for the volume, V, of the closed box is given by V = x^2 * h. This expression represents the product of the area of the square base, x^2, and the height, h, of the box. The unit of measurement for the volume would be cubic units, such as cubic meters or cubic feet, depending on the context.

(b) The expression for the total surface area, A, of the closed box can be obtained by adding the areas of all six faces of the box. The box has four identical rectangular faces, each with an area of x * h, and two identical square faces, each with an area of x^2. Therefore, the total surface area can be expressed as A = 4xh + 2x^2. This expression represents the sum of the areas of all six faces of the box. The unit of measurement for the surface area would be square units, such as square meters or square feet, depending on the context.

In summary, the volume and surface area of a closed box with a square base of side x and height h can be expressed as V = x^2 * h and A = 4xh + 2x^2, respectively. These expressions can be useful in various applications, such as calculating the amount of space needed to store objects or materials or determining the amount of material needed to construct the box.

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PLS HELP ASAP 100 POINTS
Find the measure of ∠YOZ by answering the questions.
1. Find the measure of ∠WOV. Which angle relationship did you use? (3 points)
2. Now find the measure of ∠YOZ. Which angle relationship did you use?
3. Check your answer by using another strategy to find the measure of ∠YOZ. Describe your strategy, and show that it gives the same measure for ∠YOZ. (4 points)

Answers

Answer:

60°60°, vertical angles60°, measure of a straight angle

Step-by-step explanation:

Given right angle XOV and 30° angle XOW, you want to know the measure of angle WOV. You also want to find the measure of angle YOZ, which is opposite angle VOW, where XOY is a right angle, and WOZ is a straight angle.

1. WOV

The angle addition theorem tells you that ...

  ∠XOW +∠WOV = ∠XOV

Angle XOV is given as a right angle, and angle XOW is shown as 30°, so we have ...

  30° +∠WOV = 90°

  ∠WOV = 60° . . . . . . . . . subtract 30° from both sides

Angle WOV is 60° using the angle addition theorem.

2. YOZ

Rays OY and OV are opposite rays, as are rays OZ and OW. This means angles YOZ and VOW are vertical angles, hence congruent.

  ∠YOZ = ∠WOV = 60°

Angle YOZ is 60° using the congruence of vertical angles.

3. YOZ another way

As in part 2, angle WOZ is a straight angle, so measures 180°. The angle addition theorem tells you this is the sum of its parts:

  ∠ZOY +∠YOX +∠XOW = ∠ZOW

  ∠ZOY +90° +30° = 180°

  ∠ZOY = 60° . . . . . . . . . . . . . subtract 120° from both sides

Angle YOZ is 60° using the measure of a straight angle.

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Mr. Smith makes $20 an hour working full time. He gets about 25% of his income taken out for taxes. He came up with the following monthly budget:

How much extra money does he have left over monthly to put into savings?

Answers

Extra money for savings: $2,400 (income) - $1,815 (expenses) = $585

How to solve

Mr. Smith earns $20/hour working full time (40 hours/week).

His weekly income is 20 * 40 = $800

His monthly income is 800 * 4 = $3,200

After taxes (25%): 3200 * (1 - 0.25) = $2,400

Total expenses:

Household: $1,410

Automobile: $200 + $100 + $90 + $15 = $405

Total monthly expenses: $1,410 + $405 = $1,815

Extra money for savings: $2,400 (income) - $1,815 (expenses) = $585

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8.47. Consider the following design: Run A B с D E y 1 -1 -1 50 2 -1 -1 20 1 -1 -1 1 3 1 40 min 1 1 -1 -1 -1 1 1 25 45 4 5 6 7 8 -1 1 1 1 1 1 -1 30 40 -130 1 1 (a) What is the generator for column D?

Answers

Generator for D = ABCE + AE + BE + CE + (AB + AC + BC)E

= ABCE + AE + BE + CE + ABE + ACE + BCE

This simplifies to:

Generator for D = ABCE + AE + BE + CE + ABE + ACE + BCE.

The generator for column D is ABCE.

To see this, note that column D depends on the factors B, C, and E, as well as on the interaction between A and B, A and C, and A and E. These six terms are the only ones that involve A, B, C, and E, and so they must be included in the generator. We can write this as:

Generator for D = ABCE + AB + AC + AE + BC + BE + CE

Simplifying this expression, we can combine the last five terms into a single term using the property that in GF(2), any number added to itself is equal to zero:

Generator for D = ABCE + AB + AC + AE + BC + BE + CE

= ABCE + AB + AC + AE + BC + BE + CE + ABC + ABE + ACE + BCE

= ABCE + AB + AC + AE + BC + BE + CE + (AB + AC + BC)E

We can then remove the redundant terms AB, AC, and BC from the generator, since they are already included in ABCE:

Generator for D = ABCE + AE + BE + CE + (AB + AC + BC)E

= ABCE + AE + BE + CE + ABE + ACE + BCE

This simplifies to:

Generator for D = ABCE + AE + BE + CE + ABE + ACE + BCE.

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makaylah is using elimination to solve the system below and will first add the equations together 5x-2y=42 and -3x+2y=-26 which of the following shows the result of the two equations added together

Answers

The addition of the two equations is 2x = 16 and x = 8

Given data ,

Let the first equation be A

5x - 2y = 42

Let the second equation be B

-3x + 2y = -26

Adding equations A and B , we get

2x + 0 = 16

On simplifying , we get

2x = 16

Divide by 2 on both sides , we get

x = 8

Hence , the equation is solved and x = 8

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what is the solution to the equation 7p=126?

Answers

7p=126

Divide by 7 on both sides

p=126/7

p=18

Hope this helps!

Answer:

18

Step-by-step explanation:

make p the subject of the formula

P=126/7

p= 18

Find the dimensions of a rectangle with area 1,000 m2 whose perimeter is as small as possible. (If both values are the same number, enter it into both blanks.)What is m (smaller value)What is m (Larger value)

Answers

That since the rectangle is a square, both values are the same.

Let the length of the rectangle be L and its width be W.

The area of the rectangle is given by A = LW, and the perimeter is given by P = 2L + 2W.

We want to minimize the perimeter subject to the constraint that the area is 1000 m^2.

From the area equation, we can solve for L in terms of W: L = 1000/W.

Substituting this expression for L into the perimeter equation, we get:

P = 2(1000/W) + 2W = 2000/W + 2W

To find the minimum value of P, we take the derivative of P with respect to W and set it equal to zero:

dP/dW = -2000/W^2 + 2 = 0

Solving for W, we get:

W = sqrt(1000) = 31.62 m

Substituting this value for W into the equation for L, we get:

L = 1000/W = 1000/31.62 = 31.62 m

Therefore, the dimensions of the rectangle with area 1000 m^2 and minimum perimeter are:

Length = 31.62 m

Width = 31.62 m

Note that since the rectangle is a square, both values are the same.

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Find the domain of this
quadratic function.
y=x²-3

Answers

Answer:

(−∞,∞)

Step-by-step explanation:

y = x² - 3

The domain of the expression is all real numbers except where the expression is undefined. In this case, there is no real number that makes the expression undefined.

So, the domain of this quadratic function is: (−∞,∞)

The clients who get haircuts at Cameron's salon have a variety of hair colors.
brown 7
black 7
blond 4
What is the experimental probability that the next client to get a haircut Cameron's salon will have blond hair?
Write your answer as a fraction or whole number.

Answers

The experimental probability that the next client to get a haircut at Cameron's salon will have blond hair is 2/9.

To find the experimental probability of a client having blond hair, we need to divide the number of clients with blond hair by the total number of clients.

In this case, we know that there are a total of 7 + 7 + 4 = 18 clients who get haircuts at Cameron's salon.

Out of these 18 clients, only 4 have blond hair.

So, the experimental probability of the next client having blond hair is:

Experimental probability of having blond hair = Number of clients with blond hair / Total number of clients

Experimental probability of having blond hair = 4 / 18

Experimental probability of having blond hair = 2 / 9

Experimental probability is based on observation and is not necessarily an accurate representation of the true probability. To get a more accurate estimate of the probability, a larger sample size would be needed.

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On tax free weekend, Ben buys school supplies totaling $47.50. He has a sale coupon for 15% off his entire purchase. What will Ben's final cost be after the 15% discount?

Answers

Ben's final cost after the 15% discount will be $40.375

What will Ben's final cost be after the 15% discount?

From the question, we have the following parameters that can be used in our computation:

Discount = 15%

Total purchase = $47.50

Using the above as a guide, we have the following:

Final cost = Total purchase * (1 -Discount)

Substitute the known values in the above equation, so, we have the following representation

Final cost = 47.50 * (1 -15%)

Evaluate

Final cost = 40.375

Hence, the final cost is $40.375

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the measure of an angle formed by two tangents

Answers

Answer:

BC = 24

Step-by-step explanation:

the angle between the tangent and the radius at the point of contact A is 90°

then Δ ABC is a right triangle

using the sine ratio in the right triangle

sin30° = [tex]\frac{opposite}{hypotenuse}[/tex] = [tex]\frac{AC}{BC}[/tex] = [tex]\frac{12}{BC}[/tex] ( multiply both sides by BC

BC × sin30° = 12 ( divide both sides by sin30° )

BC = [tex]\frac{12}{sin30}[/tex] = 24

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