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vlabodo [156]
3 years ago
11

Evaluate: 5–^2 = WILL MARK AS BRAINLIEST

Mathematics
2 answers:
Elanso [62]3 years ago
4 0

When you have a negative exponent, you move it to the other side of the fraction to make the exponent positive.

For example:

x^{-2} or \frac{x^{-2}}{1}=\frac{1}{x^2}

\frac{1}{y^{-2}}=\frac{y^2}{1}  or  y²



So:

5^{-2}=\frac{1}{5^2}=\frac{1}{25}

Your answer is B

goldenfox [79]3 years ago
4 0

Answer:

Yea the answer is B good luck.

Step-by-step explanation:


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julsineya [31]

Answer:

The answers are in the image.

Step-by-step explanation:

Charlie made the mistake by not getting the equation equal to zero.

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Subtract 16 to both sides making it equal to 0.

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2 years ago
If four times the sum of a number and 3 is divided by 2, the quotient is 0: find the number
AveGali [126]

The other number is -3.

Step-by-step explanation:

Step 1; First we develop formulae for the given information. A number is added with 3 and the resulting sum is multiplied by 4. This number is then divided by 2 and the quotient is 0. Assume the unknown number is x, then the given information is as follows

The quotient of \frac{4(x+3)}{2} is 0. So \frac{4(x+3)}{2} = 0.

Step 2; Now we solve the above equation. The denominator is taken to the RHS and the RHS remains zero.

\frac{4(x+3)}{2} = 0, 4(x+3)= 0, 4x+ 12 = 0, 4x = -12, x = \frac{-12}{4} = -3.

So the other number is -3.

3 0
3 years ago
Find 70% of 200 <br> I’m unsure of this pls can I have some help
elena-s [515]

Answer:

140

Step-by-step explanation:

  70%            200

 ----------    *    ----------  =  70*2 = 140

  100%              1

you cross out the 2 zeros from the 100% so it will be one then croos out the 2 zeros from 200 and you will have 70 * 2 and you will get 140

7 0
2 years ago
Read 2 more answers
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