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prisoha [69]
3 years ago
5

What’s the answer to this question? i need your help -2(-7m - 4) + 1

Mathematics
2 answers:
Svetllana [295]3 years ago
8 0

Answer:

14m + 9

Step-by-step explanation:

Vesna [10]3 years ago
5 0

Answer:

14m+9

Step-by-step explanation:

-2(-7)=14m

-2(-4)=8+1

14m+9

Hope this helps! :)

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The time it takes me to wash the dishes is uniformly distributed between 5 minutes and 12 minutes. What is the probability that
GalinKa [24]

Answer:

0.2857

Step-by-step explanation:

We define the time it takes to do these dishes to be uniformly distributed between the time 5 minutes and 12 minutes.

a = 5 minutes

b = 12 minutes

Probability of tonight's dish washing being between 6 and 8 minutes

P(6<X<8)

= 8-6/b-a

= 2/12-5

= 2/7

= 0.2857

The probability it will be better 6 and 8 minutes is therefore 0.2857

5 0
3 years ago
Find the equation of this line.
Juliette [100K]

Answer:

y = 1/3 x + 2

Step-by-step explanation:

We see points (-3, 1) and (3, 3).

We also see point (0, 2), the y-intercept.

To go from (-3, 1) to (3, 3), go up 2 and right 6.

slope = m = rise/run = 2/6 = 1/3

y = mx + b

y = 1/3 x + 2

6 0
3 years ago
Find the angel of FPV
GaryK [48]

Answer:

I can not give an exact answer seeing that I do not have access to that assignment but here is what I have. :)

Step-by-step explanation:

Seeing that the angle between "V" and "R" is a 90 degree angle, I can use that to determine the answer for the angle of F,P,V. It is too high for a 45 degree angle and too short for an 80. I then noticed that R,P,Q is about a 40 degree and since there is a 90 degree angle at V,P,R, I can use that and say F,P,V is about a 60-75 degree angle. Hope this helped!  :D

7 0
3 years ago
The public library has volunteers shelve books after they have been returned. When Lisa arrives to volunteer, there are 5 non-fi
Eddi Din [679]

Answer:

65 non-fiction books need to be shelved

Step-by-step explanation:

This question can be solved using a rule of three.

For each 5 non-fiction books, there are 9 fiction books. How many non-fiction books are there when there are 117 fiction books?

5 non-fiction - 9 fiction

x non-fiction - 117 fiction

9x = 5*117

x = \frac{5*117}{9}

x = 65

65 non-fiction books need to be shelved

5 0
4 years ago
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