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Yuri [45]
3 years ago
8

Solve the system.

Mathematics
2 answers:
SashulF [63]3 years ago
8 0
(-1,6) is the answer 
please mark as brainliest
Charra [1.4K]3 years ago
5 0
Y=-5x+1       ->1
5x+2y=7        -->2

put eq 1 into eq 2
5x +2(5x+1)=7
5x+10x+5=7
15x+5=7
15x=2
x=2/15 -->3
from eq 1
y=5x+1
put eq 3 in it
y=5*(2/15)+1
y=5/3




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PLEASE HELP I WILL MARK BRAINLIEST!!!!!!!!!!!!!!!!!!!!
Aleks [24]
Y = 6
x = 7
It’s the answer
5 0
3 years ago
You have a new pool and want to know it's volume. The pool is 5 feet deep and has a radius of 7 feet. About how much water can t
MrRa [10]

Answer:

769 cubic ft

Step-by-step explanation:

Its volume:

Find the volume of a cylinder of radius 7 ft and length 5 ft:

The basic formula for his volume is V = πr²h.  In this case, the volume is:

V = 3.14(7 ft)²(5 ft) = 769 cubic feet of water.

3 0
3 years ago
A baby weighed 7.25 pounds at birth. At the end of 8 months, the baby weighed 212
Vinil7 [7]

Answer:

1537pounds

Step-by-step explanation:

Given parameters:

  Weight of baby at birth  = 7.25 pounds

   

Unknown:

Weight at the end of 8months = ?

Solution:

 From the second sentence;

    Weight at the end of the eighth month = 212 x weight at birth.

Input the parameters and solve;

  Weight at the end of eighth month = 212 x  7.25  = 1537pounds

7 0
3 years ago
-3 (n + 6) + 10 = -83 I NEED HELP ASAP!!!!!!!
Marina CMI [18]

Answer:

n=25

Step-by-step explanation:

-3n-8=-83

-3n-8+8=-83+8

-3n=-75

n=25

7 0
3 years ago
Erik spends $680 for cable television service. The cable company offers a deal that promises Erik 3 free months of cable if he s
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