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zubka84 [21]
3 years ago
14

PLEASE HELP ME!!! ANSWER BOTH QUESTIONS & I WILL MARK BRAINLIEST!!!

Mathematics
1 answer:
Nataly [62]3 years ago
5 0
1)b
2)a
Let me know if u want me to show my work
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How do you solve this system by substitution. Y= -5x+3<br> -x-7y=13
geniusboy [140]
<span>A) Y= -5x+3
B) -x -7y = 13 substituting equation A) into B)
B) -x -7*(-5x +3) = 13
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x = 1
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<span>A) Y= -5*1 +3
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3 years ago
A company manufacturing company small solid plastic cubes .They use the expression s3 to find the volume of plastic needed to ma
DanielleElmas [232]
Yes, Luis is correct.
If s is equal to the the side length, then in the problem, s is equal to 8 millimeters. 8 x 3 is equal to 24, which would equate to 24 cubic millimeters.
4 0
3 years ago
If you could help I would really appreciate it, but if not that’s fine. Thank you.
zloy xaker [14]

Answer:

2x - 5 if x ≤ 2

f(-1) = -7

Step-by-step explanation:

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x > 2 = (-1) > 2

2x - 5

2(-1) - 5

-2 - 5

-7

8 0
3 years ago
Circle A has a diameter of 9 inches, a circumference of 28.26 inches, and an area of 63.585 square inches. The diameter of circl
torisob [31]
Please note that pi has just one value.  The only difference stems from round-off error when you don't use all of the digits following "3.14159 ... " to represent the value of pi.  The formula for circumference is C = 2 pi r, or C = pi d, 
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Circle A:  Diameter 9 inches and Circumference of 28.26 inches

If the diameter is 9 inches, then C = 28.26 inches = pi (9 inches).  Divide 28.26 inches by 9 inches.  Note that you MUST round off the ratio (pi) that you obtain, since 28.26 has 4 significant figures and 9 has just one.

28.26
------- = 3.14, but because 9 has just one significant figure, you must round 
    9           this 3.14 to just 3.


6 0
3 years ago
What is the solution to <img src="https://tex.z-dn.net/?f=-12%5Cgeq%20x-4" id="TexFormula1" title="-12\geq x-4" alt="-12\geq x-4
Murljashka [212]
....................
4 0
2 years ago
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