MATHEMATICS MIDDLE SCHOOL

Erica makes a banner using 4 sheets of paper. Each paper measues 9 inches by 10 incjes. What is the total area of ericas banner?

Answers

Answer 1
Answer: The answer is 360 in²  If you need to see work just tell me :)
Answer 2
Answer:

Answer:

The answer would be 90 inches not 30.

Step-by-step explanation:

I did the math and got 90 inches. Have a nice day


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HIGH SCHOOL

Jeri is 3 years younger than Laura, whose age is x. How old is Jeri?

Answers

Umm...in order to know Jeri's age, we would have to know Laura's age. I can give you an equation, which is x-3. I hope that helps! :)
Jeri= x-3;  Laura= x; x-3

MIDDLE SCHOOL

Ken went to the store for his mother. He spent $2.37 on groceries. In addition, his mother said he could spend $0.35 on candy. What was his change from a five dollar bill? Enter one digit in each box below. $[______] [______] [_____]

Answers

2.37 + 0.35 = 2.72 total spent

5.00 - 2.72 = $2.28 change back

MIDDLE SCHOOL

The distance from Mercury to the Sun is 28.5 million miles. The distance from Neptune from the Sun is 2.8 billion miles. Express the distance between Mercury and Neptune in scientific notation

Answers

Answer:

2.7715 x 10^9 miles

Step-by-step explanation:

The distance from Mercury to the sun is 28.5 million miles which is 28.5 x 10^6 miles.

The distance from Neptune to the sun is 2.8 x 10^9 miles.

Then we know that:

Distance Neptune-Sun = Distance Neptune-Mercury + Distance Mercury-Sun

Solving for 'Distance Neptune-Mercury" we have that:

Distance Neptune-Mercury = Distance Neptune-Sun - Distance Mercury-Sun

Distance Neptune-Mercury = 2.8 x 10^9 miles - 28.5 x 10^6 miles.

Distance Neptune-Mercury = 2,771,500,000 miles

Which can be expressed: 2.7715 x 10^9

HIGH SCHOOL

What is the sum of 8+7+6.5+7+8

Answers

The answer is 8+7+6.5+7+8= 36.5
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