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kumpel [21]
3 years ago
8

You will get brainliest if u show work

Mathematics
1 answer:
notka56 [123]3 years ago
5 0

Answer:

i hope my answer help u

Step-by-step explanation:

it will be 10 classrooms

cuz 75min. = 5 ×15min.

and he said that the custodian can clean 2 classrooms in 15 min.

so we will do 2 × 5 = 10 classroons in 75 minutes

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Sam studied guinea pigs for his science fair project. He found that the amount of weight the guinea pigs gained varied directly
Oliga [24]

From the given above, we can formulate the equation:

W = C / 218

By substituting the given values:

W = 1090 calories / (218 calories / 1 ounce)

W = 5 ounce

<span>Therefore the guinea pigs will gain additional 5 ounce if the diet was increased by 1090 calories.</span>

4 0
2 years ago
Becky bought a magazine for $3.90, and the sales tax was 8.25%. How much sales tax did Becky pay on the magazine?
igor_vitrenko [27]

Answer:

32 cents

Step-by-step explanation:

Find 8.25 percent of 3.90:

0.0825*3.90 = 0.32

3 0
3 years ago
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The temperature at 12 am was 44 degrees. The temperature dropped steadily for the next 8 hours to reach the daytime low of 20 de
adelina 88 [10]

Answer:

62 degrees

Step-by-step explanation:

Points (12,440 and (20,20)

Slope = -3

Equation of line: y - 44 = -3(x - 12)

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2 years ago
Which inequality is represented by this graph? A number line going from 1 to 9. A closed circle is at 4. Everything to the right
Fofino [41]

Answer:

x ≥ 4

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Since there is a closed circle at x = 4, this indicates that x can be equal to 4

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Let f(x)=x-2 and g(x) = x^3 . What is (f•g)(2)
NemiM [27]

Answer:

f(x)=x2

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Step-by-step explanation:

Explanation:

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1 year ago
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