2 years ago

I NEED IT NOW!!! I ALSO NEED YOUR WORK OF HOW YOU GET YOUR ANSWER !! THANK YOU!

Mathematics

1 answer:

Mars2501 [29]2 years ago

3 0

Answer:

Solve the rational equation by combining expressions and isolating the variable

All real numbers

Interval Notation:

−∞,∞)

Step-by-step explanation:

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Single adults: According to a Pew Research Center analysis of census data, in 2012, 20% of American adults ages 25 and older had

Mumz [18]

Answer:

The mean of the sampling distribution of sample proportions will be 0.2

Step-by-step explanation:

Central Limit Theorem for Proportions:

For a proportion p in a sample of size n, the sampling distribution of the sample proportion will be approximately normal with mean $\mu = p$ and standard deviation $s = \sqrt{\frac{p(1-p)}{n}}$

20% of American adults ages 25 and older had never been married.

This means that $p = 0.2$

So the mean of the sampling distribution of sample proportions will be 0.2

3 0

3 years ago

Find the value of c that makes each trinomial a perfect square. Then write the trinomial as a perfect square.

musickatia [10]

Answer:

d. c = 100; (x – 10)²

Step-by-step explanation:

Note that (x+a)²=x²+2ax+a².

In our case, 2a=-20, so 'a' must be -10.

Since c=a², and a=-10, c=(-10²)=100.

Since a=-10, the perfect square is (x – 10)²

3 0

3 years ago

+3=17

aev [14]

Answer:

Step-by-step explanation:

5 0

2 years ago

How do you solve this equation -6x + 7y =13 and -6x +8y =20 using elimination

ohaa [14]

Answer:

x=6,y= 7

Step-by-step explanation:

-6x +7y= 13

-6x+8y=20

-y = -7

divide through by -1

y =7

sub y= 7 in equation 1

then x= 6

8 0

3 years ago

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Murrr4er [49]

Answer:

YAS!!

Step-by-step explanation:

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2 years ago