Solve for x. Please show all steps needed.


x+8/(x+3)(x+4) = 3/x+3

The solution to the inequality expression given as x + 2 < 5 is x < 3

Inequality expressions refer to statements in mathematics that use symbols like <, >, ≤, or ≥ to compare two values.

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

x + 2 < 5

Subtract 2 from both sides of the inequality expression

So, we have the expression below

x + 2 < 5 - 2

Evalaute the like terms

x < 3

This means that, the solution is x < 3

The graph of the inequality is added as an attachment

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Answer:

1, 2, 3, 6

Step-by-step explanation:

The resistance of the coil is given by R = N x ρL = 70 x ρ x 0.0897 = 617.9 x ρ ohms.

The length of the wire is equal to the circumference of the circular coil. The circumference C of a circle of radius r is C = 2πr, so for the circular coil of radius 1m, the length of the wire is 2π x 1m = 6.28m.

The number of loops around the coil (N) is 70. Therefore, the length of one loop is L = 6.28/70 = 0.0897 m.

The resistance of the coil (R) is equal to the resistance of the single loop multiplied by the number of loops (N). Therefore, R = N x R', where R' is the resistance of a single loop.

The resistance of a single loop is equal to the resistance of the wire per unit length multiplied by its length. Therefore, R' = ρL, where ρ is the resistivity of the wire and L is the length of one loop of the wire.

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Complete question:

What is the resistance of a circular coil of radius 1m that consists of 70 loops of wire?

Assuming that ∠1 and its adjacent angle form a straight line, we know that the sum of the angles on a straight line is 180°. Therefore, the measure of the adjacent angle is 180° - 39° = 141°.

we can also look at the other angles in the figure. From the diagram, we can see that ∠2 and ∠3 are acute angles, which means they are less than 90°. Additionally, we know that the sum of the angles in a triangle is 180°, so ∠2 + ∠3 + ∠4 = 180°.

Since ∠2 and ∠3 are acute, their sum must be less than 180°. Therefore, ∠4 must be an obtuse angle (greater than 90°) in order for the sum to be 180°. This makes sense, as an obtuse angle is required to form a triangle with two acute angles.

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Combination of red and yellow paint that follows the ratio of 3 parts yellow for every 2 parts red will make the shade of orange Lin needs.

Red  Yellow  

2   3

4   6

6   9

8   12

The formula for this specific shade of orange paint is 3 parts yellow for every 2 parts red. To calculate the amounts of red and yellow paint that can be used for different combinations we can use the following equation:

Yellow = 2 x Red/3

For the first combination of 2 parts red and 3 parts yellow, the equation can be written as:

Yellow = (2 x 2)/3

Simplified, that is 2/3, or 3 parts yellow.

For the second combination of 4 parts red and 6 parts yellow, the equation can be written as:

Yellow = (2 x 4)/3

Simplified, that is 4/3, or 6 parts yellow.

For the third combination of 6 parts red and 9 parts yellow, the equation can be written as:

Yellow = (2 x 6)/3

Simplified, that is 8/3, or 9 parts yellow.

For the fourth combination of 8 parts red and 12 parts yellow, the equation can be written as:

Yellow = (2 x 8)/3

Simplified, that is 16/3, or 12 parts yellow.

Therefore, any combination of red and yellow paint that follows the ratio of 3 parts yellow for every 2 parts red will make the shade of orange Lin needs.

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Using hypothesis testing, the critical value of z for a 5 percent level of significance, left-tailed test is -1.645.

(a) For a 10 percent level of significance, two-tailed test, the critical value of z is:

z_critical = ± invNorm(1 - (0.10/2))

where invNorm is the inverse normal cumulative distribution function. Evaluating this expression gives:

z_critical = ± 1.645

Therefore, the critical value of z for a 10 percent level of significance, two-tailed test is ±1.645.

(b) For a 1 percent level of significance, right-tailed test, the critical value of z is:

z_critical = invNorm(1 - 0.01)

Evaluating this expression gives:

z_critical = 2.326

Therefore, the critical value of z for a 1 percent level of significance, the right-tailed test is 2.326.

(c) For a 5 percent level of significance, left-tailed test, the critical value of z is:

z_critical = invNorm(0.05)

Evaluating this expression gives:

z_critical = -1.645

Therefore, the critical value of z for a 5 percent level of significance, left-tailed test is -1.645.

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Answer:

1.)

[tex]R = 8/17\\S = 15/17[/tex]

2.)

[tex]R = 5/13[/tex]

[tex]S=12/13[/tex]

Step-by-step explanation: sin represents the ratio between a side opposite to an angle and the hypotenuse. It is important to learn these ratios as they allow for you to solve for side lengths in a triangle and angles. We were in this case finding the ratios. A lowercase letter represents a side length opposite to the angle. So to find R we would just need to divide r by t. In the first example, it would just be 16/34 which simplifies to 8/17. Do the same thing for s, and it would be for 30/34 which simplifies to 15/17. Repeat the same steps and you should get 5/13 for R and 12/13 for S.

The experimental probability of not selecting a peppermint candy is 77.78%, so the correct option is the third one.

We want to find the experimental probability of selecting a candy that is not peppermint.

To get this, we need to get the difference between 1 and the probability of getting a peppermint candy, then we will get:

p = 1 - 2/9

p = 7/9

Now we want to express this as a percentage, so we need to multiply this by 100%

p = (7/9)*100%

p = 77.78%

We can see that the experimental probability is the one in the third option.

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We can predict that in 120 tries, we would expect to get heads and an odd number around 30 times. However, it is important to note that this is just a prediction and the actual number of times this occurs may vary due to chance.

When flipping a dime, there are two possible outcomes: heads or tails. Similarly, when rolling a die, there are six possible outcomes: 1, 2, 3, 4, 5, or 6. An odd number is any number that is not divisible by 2, so the odd numbers on a die are 1, 3, and 5.

The probability of flipping heads on a dime is 1/2, and the probability of rolling an odd number on a die is 3/6 or 1/2. To predict how many times you would flip heads and roll an odd number in 120 tries, we can use the multiplication rule of probability.

The multiplication rule of probability states that the probability of two independent events occurring together is the product of their individual probabilities. Since flipping a dime and rolling a die are independent events, we can multiply the probability of flipping heads and the probability of rolling an odd number to get the probability of both events occurring together.

So, the probability of flipping heads and rolling an odd number is:

P(heads and odd) = P(heads) x P(odd)

P(heads and odd) = (1/2) x (1/2)

P(heads and odd) = 1/4

We can estimate that in 120 trials, we should get heads about 30 times and an odd amount about the same. It is crucial to keep in mind that this is only a prediction and that there is a possibility that the actual frequency of occurrence will differ.

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The total distance that Mishka covers on the trip is 265 miles.

Speed measures how fast an object is moving with respect to time. Speed is the ratio of total distance to total time.

Speed = distance / time

Distance = speed x time

Distance covered while driving on the highway = 75 x 3 = 225 miles

Distance covered while driving on the side road = 40 x 1 = 40 miles

Total distance covered = 225 miles + 40 miles = 265 miles

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Case 1: The value of the vector B is equal to [tex]\overrightarrow {B} = (7, - 20)[/tex].

Case 2: The values of variables m and n from vector operations are - 5 and - 4, respectively.

In this problem we find two cases of operations between two vectors. According to linear algebra, there are two fundamental operations:

Case 1:

The value if vector B can be found by following operation:

[tex]\overrightarrow{B} - \overrightarrow {A} = (5, - 5)[/tex]

[tex]\overrightarrow {B} = \overrightarrow {A} + (5, - 5)[/tex]

[tex]\overrightarrow{B} = (2, - 4) + (5, - 5)[/tex]

[tex]\overrightarrow{B} = (2 + 5, - 4 - 5)[/tex]

[tex]\overrightarrow {B} = (7, - 20)[/tex]

Case 2:

First, determine the expression for the given operator:

2 · a - 2 · b = 2 · (- 3, m) - 2 · (n, - 4)

2 · a - 2 · b = (- 6, 2 · m) + (- 2 · n, 8)

2 · a - 2 · b = (- 6 - 2 · n, 2 · m + 8)

Second, find the values of m and n:

(- 6 - 2 · n, 2 · m + 8) = (2, - 2)

- 6 - 2 · n = 2

- 3 - n = 1

n = - 4

2 · m + 8 = - 2

- m - 4 = 1

m = - 5

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After answering the presented question, we can conclude that As a equation result, the value of x is 34.

An equation is a mathematical statement that validates the equivalent of two expressions joined by the equal symbol '='. For instance, 2x - 5 = 13. 2x-5 and 13 are two examples of expressions. The character '=' connects the two expressions. An equation is a mathematical formula that has two algebras on each side of an assignment operator (=). It demonstrates the equivalency link between the left and middle formulas. L.H.S. = R.H.S. (left side = right side) in any formula.

We can see from the diagram that PQ is parallel to BC and that the line segments PQ and BC overlap at point O.

As a result, we have:

angle QPO stands for angle. 70° angle = ABC QOP stands for angle. ACB = 110°

angle AOB = angle - 180 ACB - ABC angle = 180 - 70 - 110 = 0

This indicates that points A, O, and B are collinear and that angle AOB is a straight angle, implying that angles AOP and POB are supplementary angles.

We may use this data to calculate the value of x:

AOP angle + POB angle = 180

(3x - 10) + (2x + 20) = 180

5x + 10 = 180

5x = 170

x = 34

As a result, the value of x is 34.

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This point does not always have a positive y-coordinate, it is still a useful point in creating a trend line.

A. It is easy to compute the slope using this point.

B. The​ y-coordinate of this point is the​ y-intercept.

A data point with an x-coordinate of 0 is a good point to use when creating a trend line for a data set because it is easy to compute the slope using this point. The y-coordinate of this point is also the y-intercept, which is the point at which the line crosses the y-axis. Additionally, the coordinates of this point are both 0, making it easy to locate on a graph. While this point does not always have a positive y-coordinate, it is still a useful point in creating a trend line.

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Answer:

Step-by-step explanation:

2534 i think

Answer:

D

Step-by-step explanation:

To calculate the percentage decrease in price, we need to find the difference between the original price and the reduced price, divide that difference by the original price, and then multiply by 100 to express it as a percentage.

The original price of the iPhone was $320, and it was reduced to $224. Therefore, the difference between the two prices is:

$320 - $224 = $96

To find the percentage decrease, we divide this difference by the original price:

$96 ÷ $320 = 0.3

Finally, we multiply this result by 100 to express it as a percentage:

0.3 × 100 = 30%

Therefore, the answer is D. The price of the iPhone was reduced by 30%.

Answer:

The answer rounded is 6.10, but the actual answer would be 6.095

Step-by-step explanation:

5.75 X 0.06 = 0.345 || 0.345+5.75 = 6.095

A 6.10

According to the laws of stuff a calculate of 5.75 to the percentage of 6 is 6.10

Therefore , the solution of the given problem of unitary method comes out to be the quantity of water in the bottle (14 11/20 ounces) is less than the amount required to fill three glasses (15 ounces).

By applying what was acquired and bringing this variable tactic into practise, along with all supporting information from two people who used a particular tactic, the work can be finished. In other words, if the wanted expression result occurs, either the entity specified in the formula will also be discovered, or both crucial processes will actually ignore the colour. A refundable fee of Rupees ($1.01) may be necessary for forty pencils.

Here,

The water bottle is currently 3/5 full and contains 24 1/4 ounces of water.

By dividing the bottle's capacity by the percentage that indicates how filled it is, we can determine how much water is inside:

=> 24 1/4 × 3/5 = (97/4) × (3/5)

=> 291/20 = 14 11/20

Therefore, there are 14 11/20 ounces of water in the water container.

We want to fill three cups, each of which needs five ounces of water, so we will need:

=>  5 x 3 = 15 ounces

There isn't enough water in the bottle to fill three glasses with 5 ounces each because the quantity of water in the bottle (14 11/20 ounces) is less than the amount required to fill three glasses (15 ounces).

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The simplest form of the given radical expression as required to be determined is; -3³√2a.

As evident form the task content; the given expression whose simplified form is to be determined is;

3 ³√2a - 6 ³√2a

Since; 3³√2a is common to both terms of the expression; Hence, by factorisation; we have;

3³√2a (1 - 2)

= 3³√2a • -1

= -3³√2a

Ultimately, the simplified form of the radical expression is; -3³√2a.

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The total surface area of the solid cone, given the slant height and the radius, would be 374 m².

To find the surface area of a solid cone, we need to consider both the curved lateral surface and the circular base.

Lateral Surface Area = π x 7 m x 10 m = 70π m²

The base of a cone is a circle with radius r. The area of the base can be calculated using the formula:

Base Area = π x (7 m)² = 49π m²

Total Surface Area = Lateral Surface Area + Base Area = 70π m² + 49π m² = 374 m².

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The direction of the resulting force upon the piling is approximately 298.85 degrees

We can use vector addition to find the direction of the resulting force. Let's call the force exerted by the first bulldozer F1, and the force exerted by the second bulldozer F2. We can represent each force as a vector with a magnitude and direction.

F1 has a magnitude of 1850 pounds and points in a westerly direction. We can represent it as a vector (-1850, 0).

F2 has a magnitude of 3250 pounds and points in a northerly direction. We can represent it as a vector (0, 3250).

To find the resulting force, we need to add these two vectors. We can do this by adding the x-components and the y-components separately.

The x-component of the resulting force is -1850 (from F1) plus 0 (from F2), which is -1850.

The y-component of the resulting force is 0 (from F1) plus 3250 (from F2), which is 3250.

So the resulting force is a vector with components (-1850, 3250). We can find the direction of this vector by taking the inverse tangent of the ratio of the y-component to the x-component.

tan(theta) = (3250) / (-1850)

theta = -61.15 degrees

The negative sign indicates that the resulting force points to the southwest. To get the angle in the range of 0 to 360 degrees, we can add 360 degrees to the angle if it is negative.

theta = 360 - 61.15

theta = 298.85 degrees

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Answer:

[tex]\huge\boxed{\sf 10(9n + 8m)}[/tex]

Step-by-step explanation:

= 90n + 80 m

Common factor = 10

So, the expression becomes:

[tex]\rule[225]{225}{2}[/tex]

Answer: C

Step-by-step explanation: If you factor 10 out of 90n and 80m then you get 9n and 8m for each. to make the equation you get: 10(9n+8n)

The lifetime cost of the model is $765.

Kate is re-modelling her kitchen.

She is going shopping for a refrigerator.

The model price is $405, and the estimated energy cost per year is $36.

If the model has an estimated lifetime of 10 years,

Lifetime cost of the model:

The lifetime cost of the model is $765

Explanation: Given, The model price is $405

Estimated energy cost per year is $36.

The model has an estimated lifetime of 10 years.

Lifetime cost of the model can be calculated as follows:

Total lifetime cost = Initial cost + (Estimated energy cost per year × Estimated lifetime)

Initial cost = $405

Estimated energy cost per year = $36

Estimated lifetime = 10 years

Total lifetime cost = $405 + ($36 × 10)

Total lifetime cost = $405 + $360

Total lifetime cost = $765

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If Leopold takes one part away from each of the fractions, they will not be equal anymore.

Two or more fractions are said to be equal or equivalent if we simplify them and obtain the same result for both. Let's analyze the fractions given:

5/5 = 1

3/3 = 1

Even when some fractions are equivalent if you modify them this will change the equivalence property, let's prove it with the fractions given:

4/5 = 0.8

2/3 = 0.66

Note: This question is incomplete; here is the missing section:

Leopold takes one part away from each. Will the fraction still be equal?

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Answer: not sure

Step-by-step explanation: it would help me if you had a pic of the worksheet to help you with the problem

The area of the equilateral triangle with side length 2cm is approximately 1.73 cm².

An equilateral triangle with side length 2cm can be divided into two right triangles with hypotenuse equal to 2cm and the other two sides of length 1cm each.

We can then use the Pythagorean theorem to find the length of the height of the equilateral triangle, which is also the height of the right triangles.

Let h be the height of the equilateral triangle, then:

h² = 2² - 1²

h² = 3

h = √3

The area of the equilateral triangle can be found using the formula:

Area = (base × height) / 2

Since the equilateral triangle has three equal sides, the base is also equal to 2cm. Therefore, we have:

Area = ( 2 × √3 ) / 2

Area = √3

Rounding to the nearest hundredth, we get:

Area = 1.73 cm²

Therefore, the area of the equilateral triangle is  1.73 cm².

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Answer:

Below

Step-by-step explanation:

Area of a parallelogram is given by:    base * height

   base =  6 m    height = 8 m

     area = 6* 8 = 48 m^2

The probability density function (PDF) is a mathematical function that describes the probability of a random variable taking a certain value. It is a measure of the probability of a given outcome within a given range.

Probability is a branch of mathematics used to quantify the likelihood of an event occurring. It is used to calculate the chances of a certain outcome or a combination of outcomes in a given situation. Probability is expressed as a number between 0 and 1, with 0 representing an impossible event and 1 representing a certain event. Probability is used to make predictions, analyze data, and understand the complexity of the world around us.

b. The probability of generating a random number between 0.25 and 0.85 (to 1 decimal place) is 0.6.

c. The probability of generating a random number with a value less than or equal to 0.4 (to 1 decimal place) is 0.4.

d. The probability of generating a random number with a value greater than 0.6 (to 1 decimal place) is 0.4.

e. The mean of the given set of 50 random numbers is 0.527084 and the standard deviation is 0.307766.

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A mathematical function known as the probability density function (PDF) calculates the likelihood that a random variable will have a particular value. It is a measurement of the likelihood of a specific outcome within a specific range.

What is probability?

Mathematics' branch of probability is used to determine how likely an event is to occur. It is employed to determine the probabilities of a specific outcome or a mixture of outcomes in a particular circumstance. A number between 0 and 1 is used to represent probability, with 1 denoting a certain event and 0 denoting an impossibility. To generate predictions, examine data, and comprehend how complicated the world is around us, probability is used.

b. The probability of generating a random number between 0.25 and 0.85 (to 1 decimal place) is 0.6.

c. The probability of generating a random number with a value less than or equal to 0.4 (to 1 decimal place) is 0.4.

d. The probability of generating a random number with a value greater than 0.6 (to 1 decimal place) is 0.4.

e. The mean of the given set of 50 random numbers is 0.527084 and the standard deviation is 0.307766.

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The rockets are at a height of 83.15 meters after 1.36 seconds. Rounded to the nearest hundred, this is 83 meters.

To find the moment when the rockets are at the same height, set f(x) = g(x) and solve for x:

-4.9x2 +50x = -4.9x2 +25x + 34

50x = 25x + 34

25x = 34

x = 1.36

Therefore, the rockets are at the same height after 1.36 seconds. To calculate the height, plug x = 1.36 into either function:

f(1.36) = -4.9(1.36)2 +50(1.36)

f(1.36) = -4.9(1.85) + 68

f(1.36) = 83.15 meters

Therefore, the rockets are at a height of 83.15 meters after 1.36 seconds. Rounded to the nearest hundred, this is 83 meters.

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Janella recognizes a gain of $36,000 and her basis in the distributed property is $54,000.

Janella's basis in her partnership interest is $120,000, which includes her share of partnership debt. When the partnership pays off its debts and liquidates, Janella receives a proportionate liquidating distribution consisting of $42,000 cash and inventory valued at $24,000 (adjusted basis to the partnership = $20,000).

To calculate Janella's recognized gain or loss, we need to compare her basis in the partnership interest to the fair market value of the distributed assets.

The fair market value of the distributed assets is $42,000 (cash) + $24,000 (inventory) = $66,000.

The amount of the loss is the excess of her basis over the fair market value of the distributed assets, which is $120,000 - $66,000 = $54,000.

To determine Janella's basis in the distributed property, we need to adjust her basis in the partnership interest by the amount of the liquidating distribution she received.

Janella received a total liquidating distribution of $42,000 cash + $24,000 inventory = $66,000. Her share of partnership debt was $150,000, and the partnership paid off all its debts, so she no longer has any debt basis.

Janella's distribution of $66,000 exceeds her adjusted basis of $30,000 by $36,000. She recognizes a gain of $36,000. Therefore, Janella's new basis in the distributed property is $120,000 - $66,000 (liquidating distribution) = $54,000.

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Check the picture below.