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Lilit [14]
3 years ago
14

a total wall space to be painted is 465 square feet , if a gallon of paint covers 210 square feet, how many quarts of paint will

be required
Mathematics
1 answer:
Inga [223]3 years ago
8 0

Answer:

12.66

Step-by-step explanation:

You can use division to find it out

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Two times a number added to another number is 25. Three times the first number minus the other number is 20
SVETLANKA909090 [29]
9 would be the first number and 7 would be the second.

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3 years ago
Michael thought he could read 23 pages of his book in class. He was only able to read 20. what is his percent error
Cerrena [4.2K]
Percent error is calculated using

((Actual - predicted) / actual) * 100

In this case, the actual value of the number of pages he read is 20. The expected value was 23. So simply plug in:

((20 - 23) / 20) * 100 = -15%

Please don’t forget to like and mark brainliest
8 0
2 years ago
Annalise earns $4 an hour walking pets in her neighborhood. She evaluates the expression 4h, where h represents the number of ho
goldfiish [28.3K]

Answer:

Yes any number can be substituted for h

Step-by-step explanation:

The term 'h' is an independent variable any number can be substituted for h, so long as the number represents the hours worked

So if she walks pets for 8 hours

Her pay is 4*8= $32

5 0
3 years ago
Determine the intervals on which the function is increasing, decreasing and constant
viva [34]

Answer:

  • increasing: (-∞, 0)
  • decreasing: (0, ∞)

Step-by-step explanation:

The function goes up to the right until it gets to the vertex at x=0. Then it goes down to the right. That is, it is ...

  increasing from -∞ to 0 (not including 0)

  decreasing from 0 to +∞ (not including 0)

_____

At x=0, the function is neither increasing nor decreasing, so x=0 is not part of either interval.

6 0
3 years ago
Angles 1 and 2 are supplementary
Dvinal [7]

Answer:

Read below

Step-by-step explanation:

I don't understand the answer choices, but supplementary angles add up to 180°. It looks like the third option is correct.

7 0
3 years ago
Read 2 more answers
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