a roller coaster can carry 36 people per run. How many times does the roller coast have to run to allow at least 10,000 people t
2 answers:
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Answer:
x=7.3
x=
x=
just in different form
x - 7 =-x ÷ 2 + 4
x - 7 = x + 4
2x - 14 = -x + 8
2x + x = 8 + 14
3x = 22
x=
x=7.3
x=
Answer:
A
Step-by-step explanation:
The x-intercepts are the roots of a parabola. Specifically, when a parabola is in the form , where h and k are real numbers, the roots are
and
.
Our parabola has a plus, though. That's a problem, right?
No! , so there's no problem. So, our roots are
and
.
So, the answer is A and we're done!