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Alisiya [41]
3 years ago
5

Please help me !!!!!!

Mathematics
2 answers:
Nezavi [6.7K]3 years ago
5 0

Answer:

A

Step-by-step explanation:

Hope it helps!

harkovskaia [24]3 years ago
3 0

Answer:

i think its b

Step-by-step explanation:

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Given the following system, what would be the best way to start slowing the system?
dusya [7]
A would be the correct answer because the y variable only has a coefficient of 1. So we would solve for y, which would get us y=3x+5, then we would substitute the value in the second equation which would look like -4x+5(3x+5)=58. Hope this helpss. :)
6 0
3 years ago
Given the regular octagon, what is the length of any side?
Jlenok [28]

Answer:110

Step-by-step explanation:x^2+17x=15x+35

x^2+17x-15x-35=0

x^2+2x-35=0

delta=2^2-4*1*(-35)=4+140=144

x1=(-2+V144)/2=(-2+12)/2=10/2

x=5

so 15*5+35=75+35=110

3 0
3 years ago
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If you multiply (2x+1)(x-5) what’s the answer
photoshop1234 [79]

Answer:

2x^2 - 9x - 5

Step-by-step explanation:

(2x+1)(x-5)

Using FOIL

= 2x^2 - 10x + x - 5

= 2x^2 - 9x - 5

5 0
3 years ago
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URGENT Two numbers have a sum of 2 and a difference of -16. What are the numbers?
Firlakuza [10]

Answer:

-7 and 9!

Step-by-step explanation:

To get to the sum of 2 you add -7 and 9.

To get to the diffrence of -16 you minus -7 and 9.

6 0
3 years ago
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2x + y = -2
cupoosta [38]
Answer is A
if x+y=5
y= -x+5
2x + (-x+5) =-2
2x -x +5 = -2
x+5 = -2
x=-7

5 0
3 years ago
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