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2 years ago

Evaluate. 9^2 • ( 1/3) ^2 - 9 A) 1/9 B) 0 C) 1 D) 9 if right brainest

Mathematics

1 answer:

anzhelika [568]2 years ago

6 0

Answer:

Step-by-step explanation:

9^2 * (1/3)^2 -9

PEMDAS says powers first

81 * 1/9 -9

Then multiply

9 -9

Then subtract

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PLS HELP ILL GIVE U BRAINLIEST

vekshin1

The answer to this question would be the second option “10m + 5 > 100” because 10 a month so (10m) then he purchases 5 extra per month so + 5 then his total collection is MORE so greater than 100 games so > 100 so the outcome is “10m + 5 > 100”

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3 years ago

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A researcher is comparing the effectiveness of three devices designed to help people who snore. There are 120 people who snore p

vampirchik [111]

Answer:

Step-by-step explanation:

A is the less complicated one and the simplest but also the most efficient and the one that makes the most sense.

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3 years ago

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two friends have a conversation mario tells roberto "the money i have is twice that you have" roberto answer "if you give me 6 d

crimeas [40]

Answer:

Before anyone gives anyone money, Mario has 24 dollars and Roberto has 12 dollars. After they give each other money, both of them have 18 dollars.

Step-by-step explanation:

Mario has twice as much as Roberto, BUT if Mario gives Roberto 6 dollars, then they have the same amount.

M = 2R

M - 6 = R + 6

To isolate M, you need to add 6 on both sides.

M - 6 + 6 = R + 6 + 6

M = R + 12

M = 2R

Substitute M for the value above that we found.

R + 12 = 2R

Now we subtract R on both sides, so that only one side has the variable R.

R - R + 12 = 2R - R

12 = R

M = 2R

Substitute for the value of R.

M = 2 x 12

M = 24

3 0

2 years ago

A rectangular prism has a volume of 97.5 cubic inches. The length is 5 inches and the height is 3 inches. What is the width of t

const2013 [10]

Answer:

6.5

Step-by-step explanation:

3X5=15

97.5/ 15 = 6.5

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2 years ago

Solve and check 8-(6-8x) =4x+4

navik [9.2K]

Greetings!

"Solve and check $8-(6-8x)=4x+4$ "...

Solve for x:
 $8-(6-8x)=4x+4$
Remove the Parenthesis.
$8-6-8x=4x+4$
Simplify.
$2-8x=4x+4$
Add -4 to both sides.
$(2-8x)+(-4)=(4x+4)+(-4)$
Simplify.
$-2-8x=4x$
Add 8x to both sides.
$(-2-8x)+8x=(4x)+8x$
Simplify.
$-2=12x$
Divide both sides by 12.
$(-2)/12=(12x)/12$
Simplify.
$-0.166666667=x$

The answer is: x=-0.166666667

Hope this helps.
-Benjamin

7 0

3 years ago