Please help !!
Solve the system of equation
Y=8x
Y= 2x+54
1 answer:
Answer:
(9,72)
Step-by-step explanation:
Since both equations equal y, set the equations equal to each other and solve for x.
8x=2x+54 Subtract 2x from both sides
6x= 54 Divide both sides by 6
x=9
Substitute x=9 into either equation and solve for y
y=8(9)
y=72
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2.434 to 3 sigfigs = 2.43 .
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
to solve for j first you need to cross multiply;
j × 35 = 42 × 55
35j = 2,310
j = 2,310 ÷ 35 (did the inverse operation)
j = 66
Hope that helps :D
The answer is... A
Dont forget to click that Brainiest
the discount is 22.5 * .2 =
round 22.5 to 20
20 *.2
Choice B