PLEASE HURRY!!! What is the value of p in the equation?


One-fourth (8 minus 4 p) + 2 p = 12 Here are the answer choices...
–20
–2
5
10

Answer:

Triangle OBA is a right angled triangle since a radius meets a tangent at an angle of 90°..So use pythogrus theorem to find the radius.

Answer:

x4.2

Step-by-step explanation:

Answer:

29 units

Step-by-step explanation:

\(20^{2}\) + \(21^{2}\) =\(c^{2}\)

400 + 441 = \(c^{2}\)

841 = \(c^{2}\)

\(\sqrt{841} =\sqrt{c^2}\)

29 = c

Given:

In triangle \(ABC, AC=13, BC=84, AB=85\).

To find:

The measure of angle C.

Solution:

Law of Cosines:

\(\cos C=\dfrac{a^2+b^2-c^2}{2ab}\)

\(\cos C=\dfrac{BC^2+AC^2-AB^2}{2(BC)(AC)}\)

Substituting the given values, we get

\(\cos C=\dfrac{(84)^2+(13)^2-(85)^2}{2(84)(13)}\)

\(\cos C=\dfrac{7056+169-7225}{2184}\)

\(\cos C=\dfrac{0}{2184}\)

\(\cos C=0\)

Taking cos inverse on both sides, we get

\(C=\cos^{-1}(0)\)

\(C=90^\circ\)

Therefore, the measure of angle C is 90 degrees.

Answer:

eason

Step-by-step explanation:

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eason

Step-by-step explanation:

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eason

Step-by-step explanation:

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eason

Step-by-step explanation:

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eason

Step-by-step explanation:

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eason

Step-by-step explanation:

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The expressions that equal 36 is:

E) 53 − (2. 5 × 30) − 20

Evaluated the mathematical expressions in each response to see if they equal 36.

A. (14⋅32)2−28 = (448)² - 28 = 14⁴ - 28 = 2016 - 28 = 1988, not equal to 36.

B. 23 + (58−54)2 + 122 = 23 + (4)² + 12 = 23 + 16 + 12 = 51, not equal to 36.

C. 92 − (43 + 32) + 30050 = 9² - (7 + 3) + 30050 = 81 - 10 + 30050 = 30021, not equal to 36.

D. 124 + (82 − 42) − 99 = 124 + (64 - 16) - 99 = 124 + 48 - 99 = 73, not equal to 36.

Thus, only the expressions listed in my previous answer equal 36.

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Answer:

sorry bruv wish you the best i will pray for you

Step-by-step explanation:

Answer: 128cm^2

Step-by-step explanation: Hope it helped

Answer:

c) only Anne

Step-by-step explanation:

I just did the test. Hope this helps! : )

The class width that should be used for constructing the frequency distribution is 5.

To determine the class width for constructing a frequency distribution with 5 classes, we need to calculate the range of the variable and divide it by the number of classes.

Range = Maximum value - Minimum value

= 35 - 10

= 25

Class width = Range / Number of classes

= 25 / 5

= 5

Therefore, the class width that should be used for constructing the frequency distribution is 5.

The correct answer is (a) 5.

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Based on the information provided, we have a simple random sample of eight classes and their corresponding numbers of students. However, it is not clear what the numbers are or what the sample mean and sample standard deviation values are. Without this information, it is difficult to determine if it is appropriate to perform a hypothesis test about the population mean.

In general, when conducting hypothesis tests about the population mean, it is important to consider the sample size, the distribution of the data, and the assumptions of the test. For smaller sample sizes, it is typically recommended to have a normal distribution in the population or use statistical tests that are robust to violations of normality assumptions. In this case, it is mentioned that the sample size is small, but without further information about the distribution of the data or the specific hypothesis being tested, it is not possible to definitively determine if it is appropriate to perform a hypothesis test about the population mean.

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Answer:

x=4

Step-by-step explanation: take (possative)3x and add it to -5x. -2x+9=1. subtract 9 from 1. -2x=-8. devide bolth sides by -2. a negative devided by  a negative makes a possative soit equallls x=4

Answer:

22.467

Step-by-step explanation:

Hello,

You just have to do the computation in XL or using a calculator, and round each number to the nearest hundred

x sqrt(x)

1 1

2 1.414

3 1.732

4 2

5 2.236

6 2.449

7 2.646

8 2.828

9 3

10 3.162

and do the sum which is 22.467

Hope this helps.

Do not hesitate if you need further explanation.

Thank you

Answer:

300

Step-by-step explanation:

First let's square all the integers from 1 to 10 inclusive. We get:

1^2 = 1

2^2 = 4

3^2 = 9

4^2 = 16

5^2 = 25

6^2 = 36

7^2 = 49

8^2 = 64

9^2 = 81

10^2 = 100.

Rounding to the nearest hundred, we get that 1, 4, 9, 16, 36, and 49 all round to 0 and 64, 81, and 100 round to 100.

Therefore, we obtain 

0+0+0+0+0+0+0+100+100+100,

or 300.

Answer:

x = -2

y = 10

Step-by-step explanation:

Since they already gave y as -3x +4, you will then have to substitute that amount into the formula

9x + 5y = 32

By doing that you get

9x +5(-3x+4) = 32

9x -15x +20 = 32

Then, you ill take 20 to the other side to subtract 32, which will get you

-6x = 12

Then, you will get x = -2

Then substitute that for the equation

y = -3x + 4

You will get

y = -3(-2) + 4,

You will get y as 10

SO then your final answer is x = -2, y = 10

Min is using a model to add 3/10 and 4/10. First, he draws a rectangle and separates it into 10 equal pieces. Then, he shades 3 of those pieces. To add 3/10 and 4/10 using a model,

Min should follow the steps below.

Step 1: Draw a rectangle and separate it into 10 equal pieces.

Step 2: Shade 3 pieces out of the 10 pieces.

Step 3: Shade an additional 4 pieces out of the remaining 7 unshaded pieces.

Step 4: Count the total number of shaded pieces, which is 7.

Step 5: Divide the total number of shaded pieces by the total number of pieces in the rectangle. This gives the fraction 7/10.

Step 6: Therefore, the sum of 3/10 and 4/10 is 7/10.

Min should shade an additional 4 pieces out of the remaining 7 unshaded pieces next to add 3/10 and 4/10 using a model.

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Answer:

26.7

Hope this helped

Step-by-step explanation:

w = 3x 7.5 = 22.5

hope this helps

200 elements are required to be in the sample.

The sampling interval is the frequency with which data is collected. The sampling interval is computed by the division of the total population size by the required sample size.

So, from the information given:

The elements that are required to be in the sample i.e. the sample size (n) can be computed by using the formula:

\(\mathbf{i = \dfrac{N}{n}}\)

\(\mathbf{ n= \dfrac{N}{i}}\)

\(\mathbf{ n= \dfrac{1000}{5}}\)

n = 200 elements.

Therefore, we can conclude that 200 elements are required to be in the sample.

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Answer:

18

Step-by-step explanation:

54 - 36 = 18

Answer:

The image of the point is (1, 2)

Step-by-step explanation:

Let us use the rules above to solve the question

∵ The point (-1, -2) is rotated 180° counterclockwise about the origin

→ By using the 2nd rule above change the signs of x and y coordinates

∴ Its image is (1, 2)

∴ The image of the point is (1, 2)

Answer:

(1,2)

Step-by-step explanation:

Answer:

58.3

Step-by-step explanation:

Answer:

x < 1

Step-by-step explanation:

First, subtract 5 from both sides of this inequality, obtaining:

2x < 2

Next, divide both sides by 2, obtaining:

x < 1

The degrees of freedom for this test is 35. The p-value for this result is very small, much smaller than 0.01. Therefore, we reject the null hypothesis and conclude that the population mean is greater than 6.

To solve this problem, we need to perform a t-test since the population standard deviation is unknown, and the sample size is relatively small (n = 36). We will assume that the population is normally distributed.

The formula for the t-test statistic is:

t = (X - μ) / (s / sqrt(n))

whereX is the sample mean, μ is the population mean under the null hypothesis, s is the sample standard deviation, and n is the sample size.

For each sample result, we can calculate the t-value as follows:

X=44 and s = 5.2

t = (44 - 6) / (5.2 / sqrt(36)) = 25.846

The degrees of freedom for this test is 35. Using a t-table or a statistical software, the p-value for this result is very small, much smaller than 0.01, which indicates strong evidence against the null hypothesis. Therefore, we reject the null hypothesis and conclude that the population mean is greater than 6.

X=43 and s = 4.6

t = (43 - 6) / (4.6 / sqrt(36)) = 23.043

The degrees of freedom for this test is 35. The p-value for this result is also very small, much smaller than 0.01. Thus, we reject the null hypothesis and conclude that the population mean is greater than 6.

X=46 and s = 5.0

t = (46 - 6) / (5.0 / sqrt(36)) = 28.8

The degrees of freedom for this test is 35. The p-value for this result is very small, much smaller than 0.01. Therefore, we reject the null hypothesis and conclude that the population mean is greater than 6.

In conclusion, for all three sample results, we reject the null hypothesis that the population mean is less than or equal to 6 and conclude that the population mean is greater than 6, with a significance level of 0.01.

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Step-by-step explanation:

would you still like me to help you with this question

A whopping 95% of people fall within the IQ ranges of 70 and 130. 99.7% of people in the world have IQs between 55 and 145. Only about 0.3% of people have IQ scores that fall outside of this range (less than 55 or higher than 145).

According to the one-standard-deviation rule, 32 percent of the population has an IQ score that is at least 15 points off from 100: 16 percent have IQs over 115, and 16 percent have IQs below 85.

The equation IQ=mc100, where m is the mental age and c is the chromological age, determines a person's IQ. Find the range of their mental ages if a group of 12-year-old youngsters has an IQ between 80 and 140.

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Explanation:

The V shape implies we are dealing with absolute value. So the answer must be choice A as its the only function that has absolute value. The negative out front flips the parent function f(x) = |x| over the x axis. Normally |x| is always positive (assuming x is not zero), so -|x| is always negative for nonzero x values.

Extra info: an absolute value graph is a piecewise function of two separate linear functions. In this case, the left branch is y = x and the right branch is y = -x.

The probability that all four coins come up heads is 1/16 or approximately 0.0625.

The probability of flipping a head on a single coin is 1/2. Since each coin is flipped independently, the probability of all four coins coming up heads can be calculated by multiplying the probability of getting heads on each coin.

That is,

P(all heads) = P(heads on penny) × P(heads on nickel) × P(heads on dime) × P(heads on quarter)

Each of these probabilities is 1/2 since each coin has two possible outcomes – heads or tails – and they are equally likely to occur.

Thus,

P(all heads) = (1/2) × (1/2) × (1/2) × (1/2) = 1/16

This means that if we were to flip these four coins many times, on average we would expect to see all four coins come up heads about once in every 16 flips. It is important to note that the probability of all four coins coming up heads is independent of any previous flips – the coins do not "remember" whether they landed heads or tails on previous flips.

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The height of the tower is 50 feet. We can use similar triangles to solve this problem.

Let's assume that the height of the tower is "h" feet, and the length of the shadow is "s" feet. Then we can create a proportion:

h / s = (height of the object) / (length of its shadow)

We know that the height of the object (in this case, the tower) is h feet, and the length of its shadow is 61 feet. We also know that the length of the shadow is formed by the height of the tower plus the length of the shadow, so we can write:

h + 11 = 61

Solving for h, we get:

h = 50

Therefore, the height of the tower is 50 feet.

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In the n-Firm Cournot Model, where there are n≥2 firms, each firm determines the quantity it produces in a Cournot oligopoly. The aggregate production level, denoted as Q, is the sum of the quantities produced by all the firms (q1+⋯+qn).

To represent this game as a static game with complete information, we can use the normal-form representation. In the normal-form representation, we describe the strategies and payoffs of each firm.

Let's go through the steps to create the normal-form representation of this game:

1. Identify the players: In this case, the players are the n firms participating in the Cournot oligopoly.

2. Determine the strategies: Each firm chooses the quantity it will produce, denoted by qi, where i represents the firm number. The quantity produced by each firm is the strategy of that firm.

3. Define the payoff function: The payoff for each firm depends on the market price, which is determined by the aggregate production level Q. The market price, P(Q), is given by the demand function P(Q) = a - Q.

4. Calculate the payoff for each firm: The payoff for each firm depends on the quantity it produces and the market price determined by the aggregate production level. The payoff can be calculated using the formula πi = P(Q) * qi, where πi represents the payoff for firm i.

5. Construct the normal-form representation: The normal-form representation is typically presented as a matrix, where each row represents a strategy profile (combination of quantities produced by the firms) and each column represents a player's strategy (quantity produced by a single firm). The entries in the matrix represent the payoffs for each firm.

For example, let's consider a 3-firm Cournot oligopoly with demand function P(Q) = a - Q. Firm 1, 2, and 3 have the strategies q1, q2, and q3, respectively. The payoffs can be calculated as follows:

- Payoff for firm 1: π1 = (a - Q) * q1
- Payoff for firm 2: π2 = (a - Q) * q2
- Payoff for firm 3: π3 = (a - Q) * q3

The normal-form representation matrix would look like this:

| Firm 1\2\3 | q1     | q2     | q3     |
|------------|--------|--------|--------|
| q1         | π1,1   | π1,2   | π1,3   |
| q2         | π2,1   | π2,2   | π2,3   |
| q3         | π3,1   | π3,2   | π3,3   |

Each entry in the matrix represents the payoff for each firm based on the combination of quantities produced by the firms.

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Answer:

E

Step-by-step explanation:

=√9pr / (pr)^-3/2

=3√(pr) × (pr)^3/2

= 3p²r²

Answer:

E. 3p²r²

Step-by-step explanation:

√9pr / (pr)^-3/2=

3(pr)^1/2*(pr)^3/2=

3(pr)^(1/2+3/2)=

3(pr)^2=3p^2r^2