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marshall27 [118]
2 years ago
6

If Dorie devotes the same number of hours to studying for these three classes each week, what is the total number of hours Kathl

een will study over a three week period?

Mathematics
1 answer:
expeople1 [14]2 years ago
4 0

Answer:

The answer is 17.2 hours

Step-by-step explanation: Because first you add all hours together (which is 86/15) then multiple it by 3 (week) which is 86/5 = 17.2 hours

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For which value of x is the equation 3(x+2)+x=2x+16 true?
Arturiano [62]

Answer:

1) take the first part of the equation and work it by multiplying (x+2) by 3

3(x+2)+x

3x +6+x

2)put the answer you got into the question you were given

3x + 6+x =2x +16

3)group the x variables and the non x variables

3x +x -2x =16 -6

4) Now work the equation you have

3x+x-2x=16-6

4x-2x=16-6

2x=16-6

2x=10

5) you divide both sides by the x variable

2x=10

2x/2 =10/2

x=5

therefore x is 5

3 0
2 years ago
What is equivalent to 8a-7-29a-8<br> A. 65a+80<br> B. -21a-15<br> C. 3a<br> D. 37a+15
Reptile [31]

Answer:

B. -21a-15

Step-by-step Explanation:

8a-7-29a-8 \\  \\  = 8a - 29a - 7 - 8 \\  \\  =  - 21a - 15

7 0
3 years ago
I don’t understand how to do this question please help and explain thank you!
Karolina [17]
Here use this information and fill the table....:)

8 0
2 years ago
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Find the ratio of shaded portions to unshaded portions in fig 8.1​
masha68 [24]
15:33

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2 years ago
What value of x is in the solution set of <br> 3(x-4)&gt;5x+2?
Harrizon [31]

Answer:

=x<-7

If they're asking for work, I'd be glad to show.

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