Select the best possible first step to solving the system by first eliminating the x variable.
2 answers:
Answer:
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Step-by-step explanation:
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2x + 4y = -4
2x = -4 - 4y
x = -2-2y
(3x+5y=1) ----> (1)
3(-2-2y) + 5y = 1
-6 -6y + 5y = 1
-6 -y = 1
-y = 1 + 6
-y = 7
y = -7
2x + 4y = -4
2x + 4(-7) = -4
2x -28 = -4
2x = 24
x = 12
(x,y) = (12,-7)
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Answer:
-19/36
Step-by-step explanation:
We can find the slope using
m = ( y2-y1)/(x2-x1)
m = ( 94-56)/( 28 -100)
= 38 / -72
= -19/36
Answer:
5/100
Step-by-step explanation:
5 over 100 is 5%, while the other options are 50%
I got 45000 for this one.
Answer:
Using graph for units
D=1/2(6)(9)=27 sq units
E=1/2(7)(6)=21 sq units
F=1/2(6)(8)=24 sq units
Step-by-step explanation:
