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-BARSIC- [3]
3 years ago
11

Person 1 can do a certain job in fifteen minutes, and person 2 can do the same job in thirty minutes. When completing the job to

gether, which expression would be used to represent the amount of work done by person 1?
Mathematics
2 answers:
Vinil7 [7]3 years ago
8 0
The expression used to represent the amount of work done by person 1 is 1/15, whereas when it comes to person 2 it is 1/30.
You use 1/15 since it is the fifteenth of one hour. 
tester [92]3 years ago
8 0
Quantity = work × time
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5/9 4.9 meters tall ratio
Keith_Richards [23]
5 + 9 = 14

4.9 / 14 = 0.35

0.35 * 5 = 1.75

0.35 * 9 = 3.15

The answer is 1.75 / 3.75
8 0
3 years ago
Consider the problem: Jasmine wants to buy a brand new pair of headphones that cost $99. While she already has $40 saved up, she
GalinKa [24]

The number of hours that Jasmine can work so she can afford the new headphones x = 6 weeks.

let x represent the number of weeks it will take to save enough money.

If she saves $11 each week, then in x weeks she will save  11x dollars.

Add this to the 107 she has already saved, and at the end of 11 weeks she will have

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We want the amount saved to be equal to the price of the bike, so our equation is

11x + 107 = 173

In a word problem, writing the equation is usually the hardest part. Now we solve the equation.

Subtract 107 from both sides to get

11x = 66

Divide both sides by 11 to get

x = 6 weeks.

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2 years ago
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3 0
3 years ago
3. In A PQR, MZP=(4x-5),
aleksklad [387]

Answer:

B

Step-by-step explanation:

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7 0
3 years ago
24 − 6 × 3 + 5^2 − (16 ÷ 2)?
Artist 52 [7]

Answer:

23

Step-by-step explanation:

24-18+25-8

=6+17

=23

Hope it helps!

4 0
3 years ago
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