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charle [14.2K]
3 years ago
12

Rewrite the expression. Use an exponent, rather than repeated multiplication. (-4) (-4). Then simplify. Show work.

Mathematics
1 answer:
MakcuM [25]3 years ago
7 0

{4}^{2}
it is four to the power of two
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The circumference of a circle is 100.48 millimeters. What is the circle's radius?
Firlakuza [10]

Answer:

r=15.99

Step-by-step explanation:

r=C

2π=100.48

2·π≈15.99189

5 0
2 years ago
Factor the expression below.
OverLord2011 [107]

Answer:

(x + 8) (x - 8)

Step-by-step explanation:

To factorise the expression follow the steps:

Think the factorising means you want like:-

  ( x + _ ) ( x + _ )

Now, add the numbers to get 0 & multiple together to get -64

 -64 = 8 x -8

 8 + -8 = 0

Now fill the numbers in the factorising mean which will give you,

( x + _ ) ( x + _ ) --> ( x + <u>8</u> ) ( x - <u>8</u> )

Therefore, the answer will be: ( x + <u>8</u> ) ( x - <u>8</u> )

I hope this will help you :)

4 0
3 years ago
Remember,<br><br> You.did.not.get.this.through.hardwork
docker41 [41]
Thanks i appreciate it
5 0
2 years ago
HELPP! this is my second time uploading this question:,,)
KiRa [710]

Answer:

<em>X can equal 22.5 </em>

Step-by-step explanation:

I've set up the equation below:

\frac{2}{3} +\frac{5}{x} =\frac{8}{9}

With this equation, as any addition equation goes, we assume it to be like this:

A +  B = C

so

C - A = B

that means,

\frac{8}{9} -\frac{2}{3} =\frac{5}{x}

The easiest thing to do is to make 2/3 have the same denominator as 8/9, we do this by...

\frac{2}{3} *\frac{3}{3} = \frac{6}{9} \\

So...

\frac{8}{9} -\frac{6}{9} =\frac{2}{9} =\frac{5}{x}

We now know that 5 over x equals 2 over nine. We can determine x by cross multiplying as follows:

\frac{5}{x} =\frac{2}{9} \\2x = 45\\x=22.5

So, x is 22.5, making the equation indeed solvable.

<em />

<em>Have a nice day, fam. This problem really worked my brain! Spread The Love.</em>

8 0
3 years ago
2/3y - 2/5 =5 PLS HELP
antiseptic1488 [7]

2/3y- 2/5 =5

add 2/5 on both sides:

2/3y = 5 + 2/5

Combine the fraction:

2/3y = 5 2/5

Write in improper Fraction:

2/3y = 27/5

Divide both sides by 2/3:

y = 27/5 ÷ 2/3

Change divide fraction to multiplication fraction:

y = 27/5 x 3/2

y = 81/10

Write in mixed number:

y = 8 1/10

Answer: y = 8 1/10

4 0
3 years ago
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