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2 years ago

What is y=1.5x-8 please help

1 answer:

4 0

Step 1. Add 8 to both sides

$y+8=1.5x$

Step 2. Divide both sides by 1.5

$\frac{y+8}{1.5} =x$

Step 3. Switch sides

$x= \frac{y+8}{1.5}$

Done!

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Suppose a population has a mean of 7 for some characteristic of interest and a standard deviation of 9.6. A sample is drawn from

valkas [14]

Answer: A. 1.2

Step-by-step explanation:

Given : Sample size : n= 64

Standard deviation: $\sigma=9.6$

The formula to find the standard error of mean is given by :-

$S.E.=\dfrac{\sigma}{\sqrt{n}}\\\\\Rightarrow\ S.E.=\dfrac{9.6}{\sqrt{64}}\\\\\Rightarrow\ S.E.=\dfrac{9.6}{8}=1.2$

Therefore, the standard error of the mean= 1.2

Hence, A is the right option.

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2 years ago

If 2 pizzas cost $16.22 how much would one cost

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3 years ago

Read 2 more answers

Eight less than the product of 2 and a number x ?

mars1129 [50]

Eight less than the product of 2 and a number x is: 2x-8

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2 years ago

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Students at the local middle school are mixing a unique school color. The blue in the school

Ganezh [65]

Answer:

A: No

B: Yes

C: Yes

D: No

Step-by-step explanation:

A: Navy is obviously the bigger ratio so A is wrong

B: If you multiply both values by 18 you get the 3:1 ratio

C: If you Multiply both values by 5, you get the 3:1 ratio

D: Like A, Navy is always going to be bigger so D is wrong

5 0

2 years ago

Apply the distributive property to factor out the greatest common factor. 35+50=35+50=?

a_sh-v [17]

Answer with explanation:

The given mathematical expression to solve : $35+50$

The prime factorization of each term can be written as follows :-

$35=5\times7$

$50=5\times5\times2$

We can see that the greatest common factor of both the terms = $5$

So we rewrite the given expression as :-

$5\times7+5\times10$

By using distributive property :-

$ab+ac=a(b+c)$ , we have

$=5(7+10)=5(17)=85$

3 0

3 years ago