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2 years ago

15

Select the correct answer.

1 answer:

stira [4]2 years ago

3 0

B, because the lines connect at (1,-4) and (4,-1)

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Miranda owes max $120.00. She pays back 30% of what she owes. How much does she have left to pay back?

Mamont248 [21]

Answer:

I’m pretty sure the answer is $84

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

|14+x|-5=k solve for k

guajiro [1.7K]

Answer:

k=|14+x|-5

Step-by-step explanation:

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6 0

3 years ago

what is the probability of seeing a sample mean for 21 observations less or equal to the sample mean that we observed

kramer

Answer:

$P(x \le 21) = 0.69146$

Step-by-step explanation:

The missing parameters are:

$n = 64$ --- population

$\mu = 20$ --- population mean

$\sigma = 16$ -- population standard deviation

Required

$P(x \le 21)$

First, calculate the sample standard deviation

$\sigma_x = \frac{\sigma}{\sqrt n}$

$\sigma_x = \frac{16}{\sqrt {64}}$

$\sigma_x = \frac{16}{8}$

$\sigma_x = 2$

Next, calculate the sample mean $\bar_x$

$\bar x = \mu$

So:

$\bar x = 20$

So, we have:

$\sigma_x = 2$

$\bar x = 20$

$x = 21$

Calculate the z score

$x = \frac{x - \mu}{\sigma}$

$x = \frac{21 - 20}{2}$

$x = \frac{1}{2}$

$x = 0.50$

So, we have:

$P(x \le 21) = P(z \le 0.50)$

From the z table

$P(z \le 0.50) = 0.69146$

So:

$P(x \le 21) = 0.69146$

4 0

3 years ago

Find the volume of a pyramid with a square base where the area of the base is 8.3 m 2 and the height of the pyramid is 9.8 m

borishaifa [10]

Answer:

245.56

Step-by-step explanation:

7 0

3 years ago

I don’t understand can someone help me

Dovator [93]

72 sq in times 9 is 648 sq in

8 0

3 years ago