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dimulka [17.4K]
3 years ago
12

Every year, a teacher surveys his students about the number of hours a week they watch television. In 2002, his students watched

an average of 12 hours of television per week. In 2012, the number of hours spent watching television decreased to five per week. What is the percent decrease in the hours of television watched, rounded to the nearest tenth?
Mathematics
2 answers:
lapo4ka [179]3 years ago
9 0

Answer:58.3%

Sorry my sisster helped me do this one and i need to get her notes then i will post them to explain.

Ray Of Light [21]3 years ago
4 0
58.3 percent rounded to the nearest tenth
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Plz help I will give brainliest!
elena55 [62]

Answer:

b, 1 5/8

Step-by-step explanation:

the area is 4 15/32 square meters, and you find the area by doing length x width. the length is provided, 2 3/4. so all you have to do is divide 4 15/32 by 2 3/4 and you get 1 5/8

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Given m ||n, find the value of x <br> 167°
frutty [35]

Answer:

13

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2 years ago
Find the value of each expression<br><br> 3[ (20 - 4) / 2]<br><br> 5(9) / (8 / 4)
storchak [24]
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3 years ago
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An angle measures 111.4° more than the measure of its supplementary angle. What is the measure of each angle?
fomenos

The measure of the supplementary angles are 34.3 and 145.7 degrees.

<h3>What are supplementary angles?</h3>

Supplementary angles are those angles that sum up to 180 degrees.

In other words, two angles are Supplementary when they add up to 180 degrees.

Therefore, the angles measures 111.4° more than the measure of it's supplementary angle.

Hence,

let

x = measure of the other angle

x + x + 111.4 = 180

2x + 111.4 = 180

subtract 111.4 from both sides

2x + 111.4 - 111.4 = 180 - 111.4

2x = 68.6

divide both sides by 2

x = 68.6 / 2

x = 34.3

Other angle  = 34.3 + 111.4 = 145.7°

Therefore, the measure of the supplementary angles are 34.3 and 145.7 degrees.

learn more on supplementary angles here: brainly.com/question/15966137

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1 year ago
Explain how you can use absolute value to tell wether the sum of two integers is positive or negative
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Step-by-step explanation:

Using absolute value to tell wether the sum of two integers is positive or negative.

Suppose we have a positive integer,

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For any integer x, x + (-x) = 0

3 0
3 years ago
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