MATHEMATICS MIDDLE SCHOOL

Choose the correct simplification of the expression 8 time b over a to the power of -5. a to the power of 5 time b all over 8 8 over a to the power of 5 times b 8a5b Already simplified

Answers

Answer 1
Answer:

Expression to simplify:

Remember, when a number has a negative power, it reciprocates (flips over)

First lets write the expression so that the a is in a fraction by itself:

= ×

So to simplify, all we do is reciprocate and make the power positive:

× =   ×

=

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Answer:


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MIDDLE SCHOOL

What is the approximate length of the radius of a circle with a circumference of 63 inches?

Answers

Answer: 63/2π

Step-by-step explanation: C=πd  

                                             63=πd

                                             D=63/π

r=1/2d

1/2×63/π=63/2π

       

MIDDLE SCHOOL

What is 4w - 26 = 82

Answers

4w-26=82
4w= 108. add 26 to both sides
w= 27. divide both sides by 4
MIDDLE SCHOOL

cindy purchased the following items. 2 shirts that cost $15.00 each. 1 jacket that cost $ 28.00. she paid 4.5% sales tax on her purchase. What was the total amount she spent on this purchase including sales tax? (A) $55.39, (B) $58.00 ,(C) $60.61, (D) $44.94..

Answers

The answer to this question is letter C.) $60.61. I got the answer by first adding the total costs of the item. It cost $15 per shirt. Since there are two that she bought, then 15 x 2= $30. The total cost of the shirts is $30. She also bought a jacket worth $28. So add 30 and 28 and you will have 58 which is the total cost of all the clothes. After that, we multiply 58 to the sales tax which is 4.5%. So 58 x 0.045 is equal to $2.61. So we add 2.61 to 58 and we will end up with $60.61.
MIDDLE SCHOOL

Mr.Neal purchased apple cider for himself and three friends. He spent a total of $7. How much was each glass of cider?

Answers

Each glass of cider was 2.333333333333333
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