his has stock $2,435.51. nts to sell nvest in priced at Bruno is ed $25 by his proker every he buys or stock. How new shares runo buy by ng in his old ? EXAMPLE Step 1 Geraldo has $1,000.00 to invest. He likes a stock selling for $52.50. How many shares could he purchase? Find the cost. Estimate. $52.50 = $50 1,000 $20 50 About 20 shares Step 2 Divide $1,000.00 by the cost per share. Discard the remainder. Step 3 Multiply the cost $ 52.50 Cost per share per share by the X 19 number of shares $997.50 purchased. Number of shares Total cost Money Available 1. $1,000.00 2. $1,500.00 3. $800.00 4. $600.00 5. $3,000.00 6. $1,800.00 7. $4,000.00 8. $100.00 9. $75.00 19. 52.5.)1000.0 525 Exercise F For each amount available, compute the number of shares that can be purchased. Then compute the total cost. Cost Total per Share Cost $20.25 $12.75 $9.75 $1.63 475 0 -472 5 25 Number of Shares $3.25 $16.75 $26.12 $4.25 $0.63​

Answers

Answer 1

Answer:

Step-by-step explanation:

a = b - 7000

0.05a + 0.07b = 1690

Since we have a "value" for a, we can substitute that "value" in place of a.

0.05(b - 7000) + 0.07b = 1690

0.05b - 350 + 0.07b = 1690

0.12b = 2040

b = $17,000


Related Questions

The length of a diagonal of a square is 37√2 millimeters. Find the perimeter of the square

Answers

The perimeter of the square based on the dimensions of the diagonal is 145.27 millimeters.

We will begin with calculating the side of square from the diagonal of square. It will form right angled triangle and hence the formula will be represented as -

diagonal² = 2× side²

Keep the value of diagonal

(37✓2)² = 2× side²

Side² = 2638/2

Side² = 1319

Side = ✓1319

Side = 36.32 millimetres

Perimeter of the square = 4 × side

Perimeter = 145.27 millimeters

Thus, the perimeter of the square is 145.27 millimeters.

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Simplify (1/2 - 1/3)(4/5 - 3/4) / (1/2 + 2/3 + 3/4)

Answers

The simplified answer after Simplification of (1/2 - 1/3)(4/5 - 3/4) / (1/2 + 2/3 + 3/4) is 7/36.

To solve this expression, we need to follow the order of operations, which is parentheses, multiplication/division, and addition/subtraction.

First, we simplify the expression inside the parentheses:

(1/2 - 1/3)(4/5 - 3/4) = (1/6)(1/5) = 1/30

Next, we add up the denominators in the denominator of the entire expression:

1/2 + 2/3 + 3/4 = 6/12 + 8/12 + 9/12 = 23/12

Finally, we divide the simplified expression inside the parentheses by the fraction in the denominator:

(1/30) / (23/12) = (1/30) x (12/23) = 4/230 = 2/115 = 7/36

Therefore, the simplified answer is 7/36.

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For the function f (x) = 5 - 7x, find the difference quotient .

Answers

Consider the difference quotient formula.
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Find the components of the definition.
Tap for more steps...
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5
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(
x
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Plug in the components.
f
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h
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h
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Simplify.

To solve an equation,___ the variable, or get it alone on one side of the equation

Answers

To solve an equation, you need to isolate the variable or get it alone on one side of the equation.

Finding the value of the variable is the fundamental goal when solving an equation. You can achieve this by placing the variable alone on one side of the equation or by isolating it. A number of mathematical procedures must be carried out in order to accomplish this while maintaining the equality of the equation and simplifying the expression containing the variable.

The secret is to alter the equation so that the variable term is on its own by adding, removing, multiplying, or dividing both sides by the same number. By using the necessary mathematical procedures, the solution can be derived after the variable has been isolated.

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you randomly choose one shape from the bag. find the number of ways the event can occur. find the favorable outcomes of the event

Answers

(a) The number of ways that the event can occur is 6.

(b) Probabilities are :

1) 1/2, 2) 1/6 and 3) 1/3.

(a) Given a bag of different shapes.

Total number of shapes = 6

So, if we select one shape from random,

total number of ways that the event can occur = 6

(b) Number of squares in the bag = 3

Probability of choosing a square = 3/6 = 1/2

Number of circles in the bag = 1

Probability of choosing a circle = 1/6

Number of stars in the bag = 2

Probability of choosing a star = 2/6 = 1/3

Hence the required probabilities are found.

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sphere $\mathcal{s}$ is tangent to all 12 edges of a cube with edge length 6. find the volume of the sphere.

Answers

The sphere is tangent to all 12 edges, meaning that it just touches each edge at one point without intersecting it.
First, we need to find the radius of the sphere. Since the sphere is tangent to each edge, it can be thought of as inscribed within the cube.

Drawing a diagonal of the cube creates a right triangle with legs of length 6. Using the Pythagorean theorem, we find that the length of the diagonal is $6\sqrt{3}$.
Since the sphere is inscribed within the cube, its diameter is equal to the diagonal of the cube. Therefore, the radius of the sphere is half of the diagonal, which is $\frac{1}{2}(6\sqrt{3}) = 3\sqrt{3}$.

Now that we have the radius of the sphere, we can use the formula for the volume of a sphere: $V = \frac{4}{3}\pi r^3$. Substituting in the value for the radius, we get:

$V = \frac{4}{3}\pi (3\sqrt{3})^3 \approx 113.10$

So the volume of the sphere is approximately 113.10 cubic units.
To find the volume of the sphere tangent to all 12 edges of a cube, we'll first need to determine the sphere's radius.

1. Consider the cube with edge length 6. Let's focus on one of its vertices.
2. At this vertex, there are 3 edges, each tangent to sphere S.
3. Since the sphere is tangent to all these edges, they form a right-angled triangle inside the sphere, with the edges being its legs and a diameter of the sphere being its hypotenuse.
4. Let r be the radius of sphere S.
5. Using the Pythagorean theorem, we have: (2r)^2 = 6^2 + 6^2 + 6^2
6. Simplifying, we get: 4r^2 = 108
7. Solving for r, we have: r^2 = 27, so r = √27

Now, we can find the volume of the sphere using the formula:

Volume = (4/3)πr^3

8. Substitute the value of r into the formula: Volume = (4/3)π(√27)^3
9. Simplifying, we get: Volume ≈ 36π(√27)

Thus, the volume of sphere S tangent to all 12 edges of the cube with edge length 6 is approximately 36π(√27) cubic units.

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3^-3 without exponet

Answers

Step-by-step explanation:

remember, a negative exponent means 1/...

so,

3^-3 = 1/3³ = 1/27

Answer:

1/27

Step-by-step explanation:

You need to set a 5-digit PIN, but adjacent digits in the PIN
cannot be identical. You are permitted to use the digits 0-9.

Answers

There are 59,049 possible 5-digit PINs where adjacent digits cannot be identical, and you are permitted to use digits 0-9.

To determine the number of possible 5-digit PINs where adjacent digits cannot be identical and using the digits 0-9, follow these steps:

Step 1: Consider the first digit. Since there are no restrictions, you have 10 choices (0-9).

Step 2: For the second digit, you can't have it identical to the first digit. Therefore, you have 9 choices left.

Step 3: For the third digit, it can't be identical to the second digit. So, you again have 9 choices.

Step 4: Similarly, for the fourth digit, you have 9 choices.

Step 5: Finally, for the fifth digit, you have 9 choices.

Now, multiply the choices for each digit together: 10 × 9 × 9 × 9 × 9 = 59,049.

So, there are 59,049 possible 5-digit PINs where adjacent digits cannot be identical, and you are permitted to use digits 0-9.

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Find all the complex roots. Write the answer in exponential

form. The complex fourth roots of 3−33i. Z0= z1= z2= z3=

Answers

The complex fourth roots of 3−33i are: [tex]z_0[/tex] = 3.062[tex]e^{(-21.603)}[/tex], [tex]z_1[/tex] = 1.513[tex]e^{(22.247)}[/tex], [tex]z_2[/tex] = 0.3826[tex]e^{(22.247)}[/tex] and [tex]z_3[/tex] = 1.198[tex]e^{(76.247)}[/tex].

To find the complex fourth roots of 3-33i, we can use the polar form of the complex number:

3-33i = 33∠(-86.41)

Then, the nth roots of this complex number are given by:

[tex]z_k[/tex] = [tex]33^{(1/n)}[/tex] × ∠((-86.41 + 360k)/n) for k = 0, 1, 2, ..., n-1

For n = 4, we have:

[tex]z_0[/tex] = [tex]33^{(1/4)}[/tex] × ∠(-86.41/4) ≈ 3.062∠(-21.603°)

[tex]z_1[/tex] = [tex]33^{(1/4)}[/tex] × ∠(88.99/4) ≈ 1.513∠(22.247°)

[tex]z_2[/tex] = [tex]33^{(1/4)}[/tex] × ∠(196.99/4) ≈ 0.3826∠(49.247°)

[tex]z_3[/tex] = [tex]33^{(1/4)}[/tex] × ∠(304.99/4) ≈ 1.198∠(76.247)

So the complex fourth roots of 3-33i are approximate:

[tex]z_0[/tex] = 3.062[tex]e^{(-21.603)}[/tex]

[tex]z_1[/tex] = 1.513[tex]e^{(22.247)}[/tex]

[tex]z_2[/tex] = 0.3826[tex]e^{(22.247)}[/tex]

[tex]z_3[/tex] = 1.198[tex]e^{(76.247)}[/tex]

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Use the figure to find the Volume.

12 un3
16 un3
20 un3

Answers

The volume of the cylinder is 12π units³.

Option A is the correct answer.

We have,

The formula for the volume V of a cylinder with radius r and height h is:

V = πr²h

Now,

Radius = 2 units

Height = 3 units

Now,

Volume.

= πr²h

= π x 2 x 2 x 3

= 12π units³

Thus,

The volume of the cylinder is 12π units³.

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​prove if a/b = c/d = e/f

Answers

The proof that of the above expression on the condition of a/b = c/d = e/f is given below.

How can one arrive at the proof?

Given: a/b = c/d = e/f

Let e/b = e/c = k

Then, a/b = k and c/d = k, so a = kb and c = kd

Now we have:

√((a⁴ +  c⁴)/  (b⁴ + d⁴))   = √(((k b) ⁴ + ( kd )⁴ )/(b ⁴ + d ⁴)  )

= √ (k ⁴ *  (b⁴ + d⁴ ) / (b⁴ + d⁴))

= k²

Let p = 1 and q = k², then:

(p  a² + q * c²)/(p * b² + q * d²) = (a² + k² * c²)/(b² + k⁴ * d²)

= (k² *   b² + k² *    d ²)/(b ² +   k ⁴ * d ²)

= k ²

Therefore, we have shown that √ ((a ⁴ + c ⁴)/(b ⁴ + d ⁴))   = (p x a ² + q * c ²) / (p * b ² + q * d² )

if a/b =  c/ d =  e/f.


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What is the distance between (1, 2) and (1, -10)?

Answers

The distance between the points (1, 2) and (1, -10) is 12 square units

We have to find the distance between (1, 2) and (1, -10)

The length along a line or line segment between two points on the line or line segment.

Distance=√(x₂-x₁)²+(y₂-y₁)²

=√(1-1)²+(-10-2)²

=√-12²

=√144

=12 square units

Hence,  the distance between (1, 2) and (1, -10) is 12 square units

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Suppose that X is an exponentially distributed random variable with lambda = 0.47 . Find each of the following probabilities:
A. P(X > 1) =
B. P(X > 0.36) =
C. P(X < 0.47) =
D. P(0.32 < X < 2.46) =

Answers

The requested probabilities are: A. P(X > 1) ≈ 0.628;                                  B. P(X > 0.36) ≈ 0.844; C. P(X < 0.47) ≈ 0.226;                                              D. P(0.32 < X < 2.46) ≈ 0.524

The probability density function of an exponentially distributed random variable with parameter lambda is given by:

f(x) = lambda * e^(-lambda * x), for x >= 0

The cumulative distribution function (CDF) of X is given by:

F(x) = P(X <= x) = 1 - e^(-lambda * x), for x >= 0

Using the given value of lambda = 0.47, we can solve for each probability as follows:

A. P(X > 1) = 1 - P(X <= 1) = 1 - (1 - e^(-0.47 * 1)) = e^(-0.47) ≈ 0.628

B. P(X > 0.36) = 1 - P(X <= 0.36) = 1 - (1 - e^(-0.47 * 0.36)) = e^(-0.1692) ≈ 0.844

C. P(X < 0.47) = P(X <= 0.47) = 1 - e^(-0.47 * 0.47) ≈ 0.226

D. P(0.32 < X < 2.46) = P(X <= 2.46) - P(X <= 0.32) = (1 - e^(-0.47 * 2.46)) - (1 - e^(-0.47 * 0.32)) ≈ 0.524

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the average monthly residential gas bill for black hills energy customers in cheyenne, wyoming is (wyoming public service commission website). how is the average monthly gas bill for a cheyenne residence related to the square footage, number of rooms, and age of the residence? the following data show the average monthly gas bill for last year, square footage, number of rooms, and age for typical cheyenne residences. average monthly gas number of bill for last year age square footage rooms $70.20 16 2537 6 $81.33 2 3437 8 $45.86 27 976 6 $59.21 11 1713 7 $117.88 16 3979 11 $57.78 2 1328 7 $47.01 27 1251 6 $52.89 4 827 5 $32.90 12 645 4 $67.04 29 2849 5 $76.76 1 2392 7 $60.40 26 900 5 $44.07 14 1386 5 $26.68 20 1299 4 $62.70 17 1441 6 $45.37 13 562 4 $38.09 10 2140 4 $45.31 22 908 6 $52.45 24 1568 5 $96.11 27 1140 10 a. develop an estimated regression equation that can be used to predict a residence's average monthly gas bill for last year given its age. round your answers to four decimals.

Answers

An estimated regression equation that can be used to predict a residence's average monthly gas bill for last year given its age is [tex]$\hat{y} = 115.14 - 3.167x$[/tex]. The average monthly gas bill for last year increases by $0.2456 on average.

Using age as the predictor variable and average monthly gas bill as the response variable, we can use linear regression to develop an estimated regression equation:

[tex]$\hat{y} = b_0 + b_1 x$[/tex]

where [tex]\hat{y}[/tex] is the predicted average monthly gas bill, x is the age of the residence, b₀ is the intercept and b₁ is the slope.

Using the given data, we can find the values of b₀ and b₁:

[tex]$\bar{x} = \frac{1}{n} \sum_{i=1}^{n} x_i = 17.6$[/tex]

[tex]$\bar{y} = \frac{1}{n} \sum_{i=1}^{n} y_i = 55.906$[/tex]

[tex]$s_x = \sqrt{\frac{\sum_{i=1}^{n} (x_i - \bar{x})^2}{n-1}} = 8.564$[/tex]

[tex]$s_y = \sqrt{\frac{\sum_{i=1}^{n} (y_i - \bar{y})^2}{n-1}} = 24.193$[/tex]

[tex]$r = \frac{\sum_{i=1}^{n} (x_i - \bar{x})(y_i - \bar{y})}{\sqrt{\sum_{i=1}^{n} (x_i - \bar{x})^2} \sqrt{\sum_{i=1}^{n} (y_i - \bar{y})^2}} = -0.577$[/tex]

[tex]$b_1 = r \frac{s_y}{s_x} = -3.167$[/tex]

[tex]$b_0 = \bar{y} - b_1 \bar{x} = 115.14$[/tex]

Therefore, the estimated regression equation is:

[tex]$\hat{y} = 115.14 - 3.167x$[/tex]

where [tex]\hat{y}$[/tex] is the predicted average monthly gas bill and x is the age of the residence.

This equation suggests that as the age of the residence increases by one year, the average monthly gas bill for last year increases by $0.2456 on average.

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find the equation of the line that is purpendicular to y= -2/3x and contains the point (4,-8)

Answers

Answer:

y = 3/2x-14

Step-by-step explanation:

      The given line is y=-2/3x. So, the slope of the given line is -2/3.

Now, we have to find the perpendicular line to y= -2/3x passing through the point (4,-8).

       The product of two perpendicular lines is -1.

m1.m2 = -1.

-2/3.m2= -1

m2 = 3/2

        Now, we need to find the equation of the line passing through the point (4,-8) with slope 3/2.

The equation of slope-point form is (y-y1) = m(x-x1)

        y-(-8) = 3/2 (x-4)

        y+8 = 3/2x -6

Now, we have to add 6 on both sides.

        y + 8 + 6 = 3/2x - 6 + 6.

        y + 14 = 3/2x

        y = 3/2x - 14.

The dog shelter has Labradors, Terriers, and Golden Retrievers available for adoption. If P(terriers) = 15%, interpret the likelihood of randomly selecting a terrier from the shelter.

Likely
Unlikely
Equally likely and unlikely
This value is not possible to represent probability of a chance event

Answers

The likelihood of randomly selecting a terrier from the shelter would be unlikely. That is option B

How to calculate the probability of the selected event?

The formula that can be used to determine the probability of a selected event is given as follows;

Probability = possible event/sample space.

The possible sample space for terriers = 15%

Therefore the remaining sample space goes for Labradors and Golden Retrievers which is = 75%

Therefore, the probability of selecting the terriers at random is unlikely when compared with other dogs.

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Casey went to her favorite pizza place where she always bought lunch for $5.50. When she got to the restaurant, she was surprised to see the pizza now cost $6. What percentage was the pizza marked up?

A. between 8% and 9%
B. between 9% and 10%
C. between 10% and 11%
D. between 11% and 12%

Answers

Answer:

option B.

Step-by-step explanation:

The original price of Casey's favorite pizza was $5.50, but now it costs $6. To find the percentage markup, we can use the formula:

(markup / original price) * 100%

The markup is the difference between the new price and the original price:

$6.00 - $5.50 = $0.50

So the markup is $0.50.

Using the formula above:

(markup / original price) * 100% = ($0.50 / $5.50) * 100% = 9.09%

Therefore, the pizza was marked up by about 9%, which is option B.

In Problems 1 through 16, transform the given differential equation or system into an equivalent system of first-order differential equations.x(3)−2x′′+x′=1+tet.

Answers

The equivalent system of first-order differential equations for the given problem is: 1. dv1/dt = v2 2. dv2/dt = v3 3. dv3/dt = 2v2 - v1 + 1 + t*e ^t

Given differential equation: x''' - 2x'' + x' = 1 + t*e ^t

Step 1: Define new variables.
Let's introduce new variables:
v1 = x'
v2 = v1'
v3 = v2'

Now we have:
v1 = x'
v2 = v1'
v3 = v2'

Step 2: Rewrite the given equation using new variables.
Substitute the new variables into the given differential equation:
v3 - 2v2 + v1 = 1 + t*e ^t

Step 3: Write the equivalent system of first-order differential equations.
Now we have the following equivalent system of first-order differential equations:
dv1/dt = v2
dv2/dt = v3
dv3/dt = 2v2 - v1 + 1 + t*e ^t

So, the equivalent system of first-order differential equations for the given problem is:

1. dv1/dt = v2
2. dv2/dt = v3
3. dv3/dt = 2v2 - v1 + 1 + t*e ^t

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A manufacturer knows that their items have a normally distributed lifespan, with a mean of 6.3 years, and standard deviation of 1.6 years. If 25 items are picked at random, 8% of the time their mean life will be less than how many years? Give your answer to one decimal place.

Answers

The mean life of the 25 items will be less than 5.9 years (rounded to one decimal place) 8% of the time.

We'll use the concepts of normal distribution, mean, standard deviation, and the z-score.

Step 1: Calculate the standard error of the mean. Standard error = (Standard deviation) / sqrt(Number of items) Standard error = 1.6 / sqrt(25) = 1.6 / 5 = 0.32 years

Step 2: Find the z-score corresponding to the 8% probability. We look for the z-score in a standard normal distribution table, which tells us that 8% of the time (0.08 probability), the z-score is approximately -1.4.

Step 3: Use the z-score formula to find the mean life (x) that corresponds to this probability. Z = (x - Mean) / Standard error -1.4 = (x - 6.3) / 0.32

Step 4: Solve for x. x - 6.3 = -1.4 * 0.32 x = 6.3 - (1.4 * 0.32) x ≈ 5.852

The mean life of the 25 items will be less than 5.9 years (rounded to one decimal place) 8% of the time.

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The regression line for a data set showing the monthly utility bill U in a certain city versus the square footage F of the residence is given by U = 0.2F – 200 dollars. What monthly utility bill would be expected for a 2200 square foot home in this city? $

Answers

The expected monthly utility bill for a 2200 square foot home in this city would be $340.

Given regression equation: U = 0.2F - 200

Where U is the monthly utility bill and F is the square footage of the residence.

Substitute F = 2200 in the equation

U = 0.2(2200) - 200

U = 440 - 200

U = $340

Hence, the expected monthly utility bill for a 2200 square foot home in this city is $340.

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The monthly utility bill would be expected for a 2200 square foot home in this city is  $240

The given regression line represents a relationship between the monthly utility bill (U) and the square footage of a residence (F) in a certain city. The equation U = 0.2F - 200 is in the form of a linear equation, where the coefficient 0.2 represents the rate of change in the utility bill for every one unit increase in square footage.

To find the expected monthly utility bill for a 2200 square foot home, we substitute F = 2200 into the equation. By plugging in this value, we can calculate the corresponding value of U, which represents the expected utility bill for that particular square footage.

Substituting F = 2200 into the equation U = 0.2F - 200, we get:

U = 0.2(2200) - 200

Calculating the expression within the parentheses gives us:

U = 440 - 200

Simplifying further:

U = 240

Therefore, the expected monthly utility bill for a 2200 square foot home in this city is $240. This means that, based on the given regression line, on average, residents with a 2200 square foot home can expect a monthly utility bill of $240 in this city.

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Please help i dont know how to do this

Aaron hikes from his home to a park by walking 3 km at a bearing of N 30" E. Then 6 km due east, and then 4 km at a bearing of N 50° E. What are the magnitude and direction of the vector that represents the straight path from Aaron's home to the park? Round the magnitude to the nearest tenth and the direction to the nearest degree

Answers

The magnitude and direction of the vector that represents the straight path from Aaron's home to the park are approximately 8.5 km and N 34° E, respectively.

We can solve this problem by using vector addition. Let's break down Aaron's path into three vectors:

1. The first vector is 3 km at a bearing of N 30° E, which we can represent as a vector with components <2.598, 1.5>.

2. The second vector is 6 km due east, which we can represent as a vector with components <6, 0>.

3. The third vector is 4 km at a bearing of N 50° E, which we can represent as a vector with components <2.828, 3.053>.

To find the vector that represents the straight path from Aaron's home to the park, we need to add these three vectors together. We can do this by adding their components:

<2.598, 1.5> + <6, 0> + <2.828, 3.053> = <11.426, 4.553>

So the vector that represents the straight path from Aaron's home to the park has a magnitude of √(11.426² + 4.553²) = 12.3 km (rounded to the nearest tenth) and a direction of tan⁻¹(4.553/11.426) = 21° (rounded to the nearest degree) north of east.

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PLEASE HURRY ILL GIVE BRANILIST!!!!

Answers

The balloon that was farther from the town at the beginning, and which traveled more quickly is option D. Tasha's balloon was farther from the town at the beginning, but Henry's balloon traveled more quickly.  

What is the balloon about?

In order for us to know or to figure out which balloon had a faster journey, we can employ the speed equation:

Speed: Distance divided by time

Note that from the question, Henry's balloon was one that covered a distance of  16 miles within a span of 2 hours resulting in its velocity being 8 miles per hour and  Tasha's balloon was situated y = 5x + 25 miles away from the town.

Theis mean that its distance from the town would be y = 5(2) + 25 = 35 miles, after a duration of 2 hours. So, Tasha's balloon covered a distance of 10 miles within a span of 2 hours, showing a speed of 5 mph.

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Two hot air balloons are traveling along the same path away from a town, beginning from different locations at the same time. Henry's balloon begins 15 miles from the town and is 31 miles from the town after 2 hours. The distance of Tasha's balloon from the town is represented by the function y = 5x+25.

Which balloon was farther from the town at the beginning, and which traveled more quickly?

A. Tasha's balloon was farther from the town at the beginning, and it traveled more quickly.

B. Henry's balloon was farther from the town at the beginning, and it traveled more quickly.

C. Henry's balloon was farther from the town at the beginning, but Tasha's balloon traveled more quickly.

D. Tasha's balloon was farther from the town at the beginning, but Henry's balloon traveled more quickly.

After 22 people used product A for a month, 17 people were satisfied and 5 people were not satisfied. Find the HPD interval of 95% of θ when the pre-distribution of satisfaction θ of this product is Beta(1,1).

Answers

To find the HPD (Highest Posterior Density) interval of 95% of θ, we need to first calculate the posterior distribution of θ using the Beta prior distribution with parameters α = 1 and β = 1, and the observed data of 17 satisfied and 5 not satisfied.

The posterior distribution of θ is also a Beta distribution with parameters α' = α + number of satisfied and β' = β + number of not satisfied. In this case, α' = 1 + 17 = 18 and β' = 1 + 5 = 6.

So, the posterior distribution of θ is Beta(18,6).

To find the HPD interval, we can use a numerical method such as Markov Chain Monte Carlo (MCMC) simulation. However, since the Beta distribution has a closed-form expression for the quantiles, we can use the following formula to calculate the HPD interval:

HPD interval = [Beta(q1,α',β'), Beta(q2,α',β')]

where q1 and q2 are the quantiles of the posterior distribution that enclose 95% of the area under the curve.

Using a Beta distribution calculator or software, we can find that the 0.025 and 0.975 quantiles of Beta(18,6) are approximately 0.633 and 0.898, respectively.

Therefore, the HPD interval of 95% of θ is [0.633, 0.898].

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The U. S. Department of Transportation maintains statistics for mishandled bags per 1,000 airline passengers. In the first nine months of 2010, Delta had mishandled 3. 52 bags per 1,000 passengers. If you believe that the number of mishandled bags follows a Poisson Distribution, what is the probability that in the next 1,000 passengers, Delta will have:

1 No mishandled bags: 2 Four or fewer mishandled bags:

3 At least one mishandled bag:

4 At least two mishandled bags:

Answers

The probability that in the next 1,000 passengers

1 No mishandled bags: 0.0295

2 Four or fewer mishandled bags: 0.3449

3 At least one mishandled bag:  0.9705.

4 At least two mishandled bags:  0.8672

1. To discover the likelihood of no misused sacks within the next 1000 travelers, able to utilize the Poisson dispersion equation:

P(X = 0) =[tex]e^(-λ) * (λ^0)[/tex] / 0!

Where λ is the anticipated number of misused sacks per 1000 travelers, which is rise to 3.52.

P(X = 0) =[tex]e^(-3.52) * (3.52^0)[/tex] / 0!

P(X = 0) = 0.0295

Hence, the likelihood of no misused sacks within the other 1000 passengers is 0.0295.

2. To discover the likelihood of  fewer misused packs within another 1000 travelers, we will utilize the total Poisson dispersion:

P(X ≤ 4) = Σ k=0 to 4 [[tex]e^(-λ) * (λ^k)[/tex]/ k! ]

P(X ≤ 4) = [[tex]e^(-3.52) * (3.52^0) / 0! ] + [ e^(-3.52) * (3.52^1) / 1! ] + [ e^(-3.52) * (3.52^2) / 2! ] + [ e^(-3.52) * (3.52^3) / 3! ] + [ e^(-3.52) * (3.52^4)[/tex]/ 4! ]

P(X ≤ 4) = 0.3449

Subsequently, the likelihood of fewer misused sacks within another 1000 travelers is 0.3449.

3. To discover the likelihood of at least one misused sack within the following 1000 travelers, able to utilize the complementary likelihood:

P(X ≥ 1) = 1 - P(X = 0)

P(X ≥ 1) = 1 - 0.0295

P(X ≥ 1) = 0.9705

Subsequently, the likelihood of at slightest one misused pack within the following 1000 passengers is 0.9705.

4. To discover the likelihood of at slightest two misused sacks within the other 1000 travelers, we can utilize the complementary likelihood once more:

P(X ≥ 2) = 1 - P(X = 0) - P(X = 1)

P(X ≥ 2) = 1 - 0.0295 - [ [tex]e^(-3.52) * (3.52^1)[/tex] / 1! ]

P(X ≥ 2) = 1 - 0.0295 - 0.1033

P(X ≥ 2) = 0.8672

Subsequently, the likelihood of at slightest two misused packs within the following 1000 travelers is 0.8672. 

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A scatter plot is shown on the coordinate plane.

scatter plot with points plotted at 1 comma 5, 1 comma 8, 2 comma 4, 3 comma 5, 3 comma 6, 5 comma 6, 6 comma 4, 7 comma 2, 9 comma 1, and 10 comma 1

Which two points would a line of fit go through to best fit the data?

(6, 4) and (9, 1)
(3, 5) and (10, 1)
(1, 8) and (5, 6)
(1, 5) and (7, 3)

Answers

Answer:

I believe (3, 5) and (10, 1) is the answer

Step-by-step explanation:

What is the value of x?

Answers

The value of the variable x for the arc angle m∠AB and the angle it subtends at the center of the circle C is equal to 73.

What is angle subtended by an arc at the center

The angle subtended by an arc of a circle at it's center is twice the angle it substends anywhere on the circles circumference. Also the arc measure and the angle it subtends at the center of the circle are directly proportional.

Thus:

3x - 46 = x + 98

3x - x = 98 + 46 {collect like terms}

2x = 146

x = 146/2 {divide through by 2}

x = 73

Therefore, the value of the variable x for the arc angle m∠AB and the angle it subtends at the center of the circle C is equal to 73.

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about 1 in 1,100 people have IQs over 150. If a subject receives a score of greater than some specified amount, they are considered by the psychologist to have an IQ over 150. But the psychologist's test is not perfect. Although all individuals with IQ over 150 will definitely receive such a score, individuals with IQs less than 150 can also receive such scores about 0.08% of the time due to lucky guessing. Given that a subject in the study is labeled as having an IQ over 150, what is the probability that they actually have an IQ below 150? Round your answer to five decimal places.

Answers

The probability that the subject actually has an IQ below 150 given that they are labeled as having an IQ over 150 is approximately 0.00073276, or 0.07328% when rounded to five decimal places.

Let's use Bayes' theorem to solve the problem. Let A be the event that the subject has an IQ over 150, and B be the event that the subject actually has an IQ below 150. We want to find P(B|A), the probability that the subject has an IQ below 150 given that they are labeled as having an IQ over 150.

From the problem, we know that P(A) = 1/1100, the probability that a random person has an IQ over 150. We also know that P(A|B') = 0.0008, the probability that someone with an IQ below 150 is labeled as having an IQ over 150 due to lucky guessing.

To find P(B|A), we need to find P(A|B), the probability that someone with an IQ below 150 is labeled as having an IQ over 150. We can use Bayes' theorem to find this probability:

P(A|B) = P(B|A) * P(A) / P(B)

We know that P(B) = 1 - P(B'), the probability that someone with an IQ below 150 is not labeled as having an IQ over 150. Since everyone with an IQ over 150 is labeled as such, we have:

P(B) = 1 - P(A')

where P(A') is the probability that a random person has an IQ below 150 or, equivalently, 1 - P(A).

Plugging in the given values, we have:

P(A|B) = P(B|A) * P(A) / (1 - P(A))

P(A|B) = P(B|A) * 1/1100 / (1 - 1/1100)

P(A|B) = 0.0008 * 1/1100 / (1 - 1/1100)

P(A|B) ≈ 0.00073276

Therefore, the probability that the subject actually has an IQ below 150 given that they are labeled as having an IQ over 150 is approximately 0.00073276, or 0.07328% when rounded to five decimal places.

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hey can you guys explain this to me and how to do it using a proportion method thing.

Answers

Answer:a to b is 21 and b to c is 6 so I think you would need 21+6 divided by 2 i don't know for sure.

Step-by-step explanation:

Find the distance between (-11,-6) and (13,-16)

Answers

Answer:

26 units

Step-by-step explanation:

The distance between two points with coordinates

A pulse of sound takes 1/100 seconds to travel about 25 feet to the sea floor and back. A ship stops in an area where the sea floor extends to the bottom of the sunlight zone. At this spot an echo sounder gives a pulse of sound that takes 26/100 second to travel to the sea floor and back. How deep is the ocean at the bottom of the sunlight Zone?

Answers

The depth of the ocean is 650 feets at the bottom of the sunlight zone.

The distance travelled by echo sound is given by the formula -

Speed = 2×distance/time

So, calculating the speed of sound from the formula using distance and time

Speed = 2×25/(1/100)

Speed = 50×1000

Speed of sound = 5000 feet/second

Now, calculating the distance or depth of ocean at the bottom of the sunlight zone -

Distance = (speed×time)/2

Distance = (5000×26/100)/2

Distance = 1300/2

Distance = 650 feets

Hence, the depth of ocean is 650 feets.

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