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3 years ago

A function follows the rule y = -75 - 5 x . When the function's output is 25, the equation is 25 = -75 - 5 x .

Mathematics

1 answer:

zhenek [66]3 years ago

3 0

Answer:

same here idek tbh

Step-by-step explanation:

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The federal government would like to estimate the proportion of households in the U.S. population that own their own homes. A pi

netineya [11]

Answer:

1770

Step-by-step explanation:

We need to estimate number of households to be sampled to construct a 99% confidence interval.

Number of households to be sampled=n=?

$n=\frac{(z_{\frac{\alpha}{2} })^2 pq }{E^{2} }$

$z_{\frac{\alpha}{2} } =z_{\frac{\0.01}{2} }=z_{0.005 }=2.576$

The proportion can be estimated as

p=x/n.

We know that 24 out of 40 households owns their home.

so, x=24 and n=40.

p=24/40

p=0.6

q=1-p=1-0.6=0.4

pq=0.6*0.4=0.24

E=0.03

$n=\frac{(z_{\frac{\alpha}{2} })^2 pq }{E^{2} }$

$n=\frac{2.576^2(0.24)}{0.03^2}$

$n=\frac{1.5926}{0.0009}$

n=1769.56.

n=1770.

Thus, the number of households that need to be sampled are 1770.

3 0

3 years ago

What is the quotient of 35 and x

grin007 [14]

Answer:

the answer is 1

Step-by-step explanation:

hope it helps, have a good day/night

3 0

3 years ago

Matthew would get 60% of the profit because the lemonade stand was his idea they made a profit of $25 how much did Matthew make

Ronch [10]

25*0.6 = 15, he would get 15 dollars

4 0

4 years ago

Read 2 more answers

Choose the inequality that could be used to solve the following problem.

lorasvet [3.4K]

Answer:

3x ≤ -6

Step-by-step explanation:

"At most" means "less than or equal to." If x represents the number, then you have ...

(three) times (a number) (is at most) negative 6 . . . . . English

3 · x ≤ -6 . . . . . . . . . . . . . . . . Math

3x ≤ -6

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3 years ago

Solve for X. X = m/n x + 2

Dmitrij [34]

X=x+2
+x +x +2
2x=2

x=1

8 0

4 years ago