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2 years ago

(08.02 MC)

Mathematics

1 answer:

allsm [11]2 years ago

6 0

Answer:

Complete y = Mx + b

Step-by-step explanation:

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What is the value of b in the equation (y)*

KonstantinChe [14]

Answer:

b = -6

Step-by-step explanation:

Apply the exponent rule that $\frac{1}{x^{n}} = x^{-n}$

In this case, $\frac{1}{y^{24}} = y^{-24}$

Set that equal to $(y^{b})^{4}$ :

$(y^{b})^{4} = y^{-24}$

Apply the exponent rule that $(x^{m})^{n} = x^{mn}$ so now you get:

$y^{4b} = y^{-24}$

Since the base is y for both sides of the equation, just set the exponents equal to each other and solve for b.

4b = -24

divide each side by 4 to get:

b = -6

6 0

2 years ago

The rug in Alan's room has an area of 18 square feet. He is planning to buy another rug that is twice as long and twice as wide.

Dennis_Churaev [7]

Yeah its gonna be 18 square feet in wide and length and the area is gonna be 36 square feet

5 0

2 years ago

Plz answer hurry. 20 points for right answer

lapo4ka [179]

Did You Figure This Out I Need Help Too. Lol

3 0

2 years ago

Read 2 more answers

According to a study conducted in one city, 25% of adults in the city have credit card debts of more than $2000. A simple ran

Anvisha [2.4K]

Answer:

The sampling distribution of $\hat p$ is N (0.25, 0.0354²).

Step-by-step explanation:

According to the Central limit theorem, if from an unknown population large samples of sizes n > 30, are selected and the sample proportion for each sample is computed then the sampling distribution of sample proportion follows a Normal distribution.

The mean of this sampling distribution of sample proportion is:

$\mu_{\hat p}=p$

The standard deviation of this sampling distribution of sample proportion is:

$\sigma_{\hat p}=\sqrt{\frac{p(1-p)}{n}}$

Let p = proportion of adults in the city having credit card debts of more than $2000.

It is provided that the proportion of adults in the city having credit card debts of more than $2000 is, p = 0.25.

A random sample of size n = 150 is selected from the city.

Since n = 150 > 30 the Central limit theorem can be used to approximate the distribution of p by the Normal distribution.

The mean is:

$\mu_{\hat p}=p=0.25$

The standard deviation is:

$\sigma_{\hat p}=\sqrt{\frac{p(1-p)}{n}}=\sqrt{\frac{0.25(1-0.25)}{150}}=0.0354$

Thus, the sampling distribution of $\hat p$ is N (0.25, 0.0354²).

3 0

2 years ago

What is the answer ×-(-150)=200

GenaCL600 [577]

X - (-150) = 200

x + 150 = 200

x + 150 (-150) = 200 (-150)

x = 200 - 150

x = 50

hope this helps

3 0

2 years ago