Help me please with this problem.

Answers

Answer 1

Answer: D 81 square feet because the whole garage door area is 90 square feet bur the area of th area not painted white is 9 square feet so 90-9=81

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What is the reciprocal of 15?

Answers

Reciprocal is just so to say flipping the number so think of this as 15/1 and just flip it, your answer is 1/15

Is 1.75 larger than 6.2

Answers

No 6.2 could be put as 6.20 and 1.75

6 is bigger than 1

Nope! If we take away the decimals (those get confusing sometimes), 6 is greater than 1. When we add back the decimals, they make no overall difference in what number is bigger. I hope this helps!

21 fewer stars than 3 times a number H

Answers

You get the expression;
3H-21
Hope this helps.

What is the number 2,305,012 written in expanded notation?

Answers

The expanded form of that number is 2,000,000 + 300,000 + 5,000 + 10 + 2.

2,000,000 + 300,000 + 5,000 + 10 + 2 = 2,305,012

I hope that this helped you :3

Colby wants to set square tiles on the top of a wooden box. The top of the box is a rectangle 7 1/2 inches long and 5 1/2 inches wide.a. How many 1/2 inch tiles would Colby need to cover the top of the wooden box?
b. How many 1/4 inches tiles would Colby need to cover the top the wooden the box?

Answers

area of a rectangle is l x w 7.5 x 5 = 37.5 in^2 each tile is 1/2 or ,5 37.5/.5= 75 of the 1/2 in tile the 1/4 in tile would need twice as much therefore 150

If the pet store had 10 more birds the number of dogs would be double the number of birds what numbers should be on the scale