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Goryan [66]
2 years ago
11

Help asap! pls pls i will mark brailiest

Mathematics
2 answers:
dlinn [17]2 years ago
8 0
It’s the 2nd one




Sisjsjjd
Oliga [24]2 years ago
4 0

Answer:

B. r = 6   h = 5.

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8. Where will the hour hand of a clock stop if it starts:
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a. 11

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Step-by-step explanation:

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Gwen studies for 1.5 hours every night. What is the total number of hours Gwen studies for 5 nights
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2 years ago
Solve by substitution. Show each step of your work.<br><br> 2x + y = 7<br><br> 3x + 5y = 14
Monica [59]
Alright...simple...showing all steps.. ;)

You have the equations...

2x+y=7
and
3x+5y=14

To be able to even solve for any of the variables...multiply the equations by...2...and..3...

2x+y=7----*3--> 6x+3y=21
and
3x+5y=14-----*2--->6x+10y=28

Thus,

6x+3y=21
-
6x+10y=28

=========

-7y=-7

y=1

Now, plug y back into any of the original equations....we'll use 2x+y=7 in this case....

2x+(1)=7

2x+1=7
      -1  -1

2x=6

x=3

Thus, the point of intersection for these two equations is (3,1)
8 0
3 years ago
4.
alexandr1967 [171]

Answer:

c.6xy and -16xy

Step-by-step explanation:

the variables are the same

7 0
2 years ago
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