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Murljashka [212]
2 years ago
7

Josephine can correct her students test papers in 5 hours, but if her teacher’s assistant helps, it would take them 3 hours. How

long would it take the assistant to do it alone?
Mathematics
1 answer:
ipn [44]2 years ago
4 0

<u><em>7 hours 30 minutes</em></u>

<u><em></em></u>

Sure hope this helps you :D

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20. Rewrite the following expression as a fraction times the variable.<br> -8a/9
Schach [20]

Answer:

-8a times 1/9

Step-by-step explanation:

This can be thought of as -8a/1 times 1/9. (1/9 is the reciprocal of 9, so were just pulling the fraction apart)

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L(-5,-6) and M (3,8)<br>​
leonid [27]

Answer:

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Step-by-step explanation:

5 0
3 years ago
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the number if baskets nikki can make varies directy with the time she spends making the baskets she can make 4 baskets in 1/2 an
Amanda [17]

Answer:

40 baskets

Step-by-step explanation:

Find out how many baskets she can make in an hour. Since she makes 4 in 1/2 an hour, multiply 4 by 2 to find out how much she makes in an hour. She makes 8 baskets an hour, so multiply 8 by 5. 8 x 5 = 40.

3 0
2 years ago
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Find the area?<br> Show work
Ivenika [448]

Answer:

294 square units

Step-by-step explanation:

35^2-21^2=a^2

a^2=784

square root 784=28

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Answer=294

4 0
3 years ago
Find the number that makes the ratio equivalent to 1:6.<br> 9:__
Anarel [89]
Answer: 54

-------------------------------------------------------------------

Explanation:

The first ratio is 1:6. The jump from 1 to 6 has us multiplying the 1 by 6 to get 6. 
1*6 = 6
So we follow the same rule of "multiply by 6" to go from 9 to 54 (9*6 = 54)

Or you can use a proportion to get
1/6 = 9/x
1*x = 6*9 ... cross multiply
x = 54
and we get the same answer
6 0
3 years ago
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