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umka21 [38]
3 years ago
15

Help me out please .

Mathematics
1 answer:
alex41 [277]3 years ago
6 0

The first one

Step-by-step explanation:

1/7 of 42 is 6

2/3 of 42 is 28

6+28=34

42-34=8

8/42=4/21

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$640,3%,2 years?!?! Plz explain!!
mrs_skeptik [129]
I am pretty sure it is talking about interest and $640 is what you start with, with a 3% interest for 2 years
5 0
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PLEASE HELP AS SOON AS POSSIBLE!!
hram777 [196]

Answer:

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Step-by-step explanation:

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3 years ago
You roll one die. What is the probability that you roll a 6?
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7 0
4 years ago
Solve If QR = 6x + 1, PR = 14x - 13, and PQ = 5x - 2, find PR
solong [7]

Answer:

P____Q____R

PR= PQ+ QR

(14x-13) = (5x-2)+(6x+1)

14x-13= 11x – 1

14x – 11x = 13–1

3x = 12

x= 12/ 3

x= 4

PR= 14x – 13 = 14 (4) – 13 = 18 – 13= 5

If you want (PQ , QR ) this is the solution

PQ =5x-2=5(4)-2=20-2=18

QR =6x+1=6(4)+1=24+1=25

I hope I helped you^_^

7 0
3 years ago
Find the slope of the line passing through the given points.
deff fn [24]

Answer:

<h3>The answer is - 3</h3>

Step-by-step explanation:

The slope of a line given two points can be found by using the formula

m =  \frac{ y_2 - y _ 1}{x_ 2 - x_ 1}  \\

From the question we have

m =  \frac{8 - 5}{ - 8 -  - 7}  =  \frac{3}{ - 8 +7 }  =   - \frac{3}{1}  =  - 3 \\

We have the final answer as

<h3>- 3</h3>

Hope this helps you

5 0
3 years ago
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