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2 years ago

What is negative 7 time 9 over 7

Mathematics

2 answers:

Anarel [89]2 years ago

6 0

-9 if I did the math right.

Jlenok [28]2 years ago

3 0

You just multiply staight across so it would be 63/7 and you would then simplify that so the answer would be 9/1

Multiply straight across:
7 9
1 7

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Evaluate 5(x - 1) - 2 when x = 3. O A. -4 Ос. O D.O

12345 [234]

Answer:

Step-by-step explanation

First you have to plug in 3 for x:

5(3-1)-2

Then using PEMDAS you would simplify that:

5(2)-2

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3 years ago

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trapecia [35]

Answer:

Step-by-step explanation:

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2 years ago

What is your opinion that we should raise the drinking/smoking ages to 21?

timofeeve [1]

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3 years ago

Read 2 more answers

Suppose y varies inversely with X, and y = 48 when x = 3. What is the value of x when y = 24?

olganol [36]

Answer:

C. 6

Step-by-step explanation:

Recall that inverse variation is given by:

$\displaystyle y=\frac{k}{x}$

Where k is the constant of variation.

We know that y = 48 when x = 3. Substitute:

$\displaystyle (48)=\frac{k}{(3)}$

Solve for k:

$k=3(48)=144$

Hence, our equation is:

$\displaystyle y=\frac{144}{x}$

We want to find x when y = 24. Substitute:

$\displaystyle \frac{24}{1}=\frac{144}{x}$

Cross-multiply:

$24x=144$

Divide both sides by 24. Hence:

$x=6$

Our answer is C.

3 0

3 years ago

Evaluate each expression. 6! = 3! - 2!= 61/ 3! =

My name is Ann [436]

Answer:

6! = 720

3! - 2! = 4

6! ÷ 3! = 120

Step-by-step explanation:

I used a calculator. ^v^

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2 years ago