Ask question

Ask question

All categories

3 years ago

15

3.

1 answer:

soldi70 [24.7K]3 years ago

6 0

Answer:

Step-by-step explanation:

The four sides of a square are equal.

7x + 3 = 5x + 8 Subtract 5x from both sides

7x - 5x + 3 = 8 Combine the left

2x + 3 = 8 Subtract 3 from both sides

2x = 8-3 Combine the right

2x = 5 Divide by 2

x = 5/2

x = 2.5

That is not quite the answer

Side = 7x + 3

Side = 7*2.5 + 3

Side = 17.5 + 3

Side = 20.5

You might be interested in

2(x+4)+4x<br><br>simplify expression

OLEGan [10]

Answer:

6x+8

Step-by-step explanation:

2(x+4)+4x

2x+8+4x

6x+8

4 0

3 years ago

You are playing a solitaire game in which you are dealt three cards without replacement from a simplified deck of 10 cards (mark

g100num [7]

276 hands very simple im in 6th grade

7 0

3 years ago

Can you please help me

Sholpan [36]

Answer:

b 78

Step-by-step explanation:

because the area is what you get

in the equation

b 78

5 0

3 years ago

Describe the sampling distribution of p(hat). Assume the size of the population is 30,000.

Naya [18.7K]

Answer:

a) $\mathbf{\mu_ \hat p = 0.6}$

b) $\mathbf{\sigma_p =0.01732}$

Step-by-step explanation:

Given that:

population mean $\mu$ = 30,000

sample size n = 800

population proportion p = 0.6

a)

The mean of the the sampling distribution is equal to the population proportion.

$\mu_ \hat p = p$

$\mathbf{\mu_ \hat p = 0.6}$

b)

The standard deviation of the sampling distribution can be estimated by using the formula:

$\sigma_p = \sqrt{\dfrac{p(1-p)}{n}}$

$\sigma_p = \sqrt{\dfrac{0.6(1-0.6)}{800}}$

$\sigma_p = \sqrt{\dfrac{0.6(0.4)}{800}}$

$\sigma_p = \sqrt{\dfrac{0.24}{800}}$

$\sigma_p = \sqrt{3 \times 10^{-4}}$

$\mathbf{\sigma_p =0.01732}$

7 0

3 years ago

18+(-4)-2/5j-4/5j+5? what is the answer

Serga [27]

Answer:

19 6j/5

Step-by-step explanation:

3 0

2 years ago