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oksian1 [2.3K]
3 years ago
6

ms.williams asked her class if the prefer doing their homework before school or afterschool. If the ratio of students who prefer

doing homework before school to students who prefer doing homework afterschool is 7:15, what does the ratio 7/22 represent? explain.
Mathematics
1 answer:
Akimi4 [234]3 years ago
7 0
The given ration (7:15) means that there are 7 students who prefer doing homework before school and 15 students who prefer doing homework after school.

If you add 7+15= 22 you get the total number of students in the class.

Therefore, the ratio 7/22 will represent what part of the class prefers doing homework before school. You can express it as a percentage, as well: 
7/22 = 0.32 which means 32%.
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Answer:

The sum of the measurement is 14 feet 5 inches.

Hence, you will get the change of $8.45

The required sum is 46 minutes 5 seconds.

Step-by-step explanation:

Consider the provided information.

Add 3 feet 6 inches+8 feet 2 inches+4 inches+2 feet 5 inches.

In order to add the measurement add inches with inches and feet with feet as shown.

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Thus 17 inches can be written as: 1 feet 5 inches

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Part (B) In a grocery store, steak costs $3.85 per pound. If you buy a three-pound steak and pay for it with a $20 bill, how much change will you get?

Steak costs $3.85 per pound and you buy a three pound steak.

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In order to add the time add minutes with minutes and seconds with seconds as shown.

8 minutes+37 minutes and 32 seconds+ 18 seconds+15 seconds.

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Thus 65 seconds can be written as: 1 minute 5 seconds

Hence, 45 minutes 65 seconds = 46 minutes 5 seconds

The required sum is 46 minutes 5 seconds.

6 0
3 years ago
I NEED HELP!! ITS POLYNOMIALS!!<br><br><br> (5a + 7b) - (3a + 2b) =
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(5a+7b)-(3a+2b)

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answer: 2a+5b
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