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Verdich [7]
2 years ago
10

What is the value of

Mathematics
2 answers:
svet-max [94.6K]2 years ago
7 0

Answer:

r=4

Step-by-step explanation:

Charra [1.4K]2 years ago
5 0

Answer: r= -4

Step-by-step explanation: 5(r-(-2)) = -10 (get rid of parentheses)

5(r+2) = -10 (divide both sides by 5

r+2 = -2 (subtract 2 from both sides)

r = -4

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1) (-7,2)
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4 0
3 years ago
Mr. K's math class is 1 {1}{4} hours long. After working problems on the board for 55 minutes {11}{12}hour), he gave the student
mel-nik [20]

The number of hours that students have to work on homework will be 1/3 hours.

<h3>What is subtraction?</h3>

It simply implies subtracting something from an entity, group, location, etc. Subtracting from a collection or a list of ways is known as subtraction.

Mr. K's maths class is 1 and 1/4 hours long.

After working problems on the board for 55 minutes  or 11 / 12 hour.

He gave the students the rest of the class period to work on homework.

Then the number of hours that students have to work on homework will be

⇒ 1 + 1/4 - 11/12

⇒ 5 / 4 - 11/ 12

⇒ (15 - 11) / 12

⇒ 4/12

⇒ 1/3 hours

More about the subtraction link is given below.

brainly.com/question/4319655

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