<span>2x + 18 - 1 = 33
First combine like terms on the left side.
2x + 17 = 33
Now subtract 17 from both sides.
2x = 16
Lastly, divide both sides by 2.
x = 8
The answer is x = 8.</span>
Answer:
x = 4, 3/2
Step-by-step explanation:
Answer:
f(-2) = 14
Step-by-step explanation:
f(x) = 3x^2 - x
f(-2) = 3(-2)^2 - (-2)
= 3(4) + 2
=12 + 2
= 14
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We have a proportion: ?/50= 40/100
Cross multiply:
100*?= 40*50
⇒ ?= 40*50/100= 20
The student needs to score 20 points~
