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Lisa [10]
2 years ago
14

What value of g makes the equation true?

Mathematics
1 answer:
Ipatiy [6.2K]2 years ago
4 0
(x+7)(x-4)
= x^2 + 7x - 4x - 28
= x^2 + 3x - 28

answer
g = 3
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The path followed by a roller coaster as it climbs up and descends down from a peak can be modeled by a quadratic function, wher
Romashka [77]

Answer:

y = -0.1x^2 + 250 ft

Step-by-step explanation:

Because this quadratic equation would have the curve-down form of:

y = -ax^2 + b

where a and b are positive coefficient.

If we let the peak (250 ft) of the curve be at x = 0. Then

y = -a0^2 + b = 250

b = 250

Also at the begins and ends, thats where y = 0, the 2 points are separated by 100 ft. So let the begin at -50 ft and the end at 50ft. We have

-a(\pm 50)^2 + 250 = 0

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a = 250/2500 = 0.1

Therefore, the model quadratic equation of our path would be

y = -0.1x^2 + 250 ft

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3 years ago
Prior Knowledge Questions (Do these BEFORE using the Gizmo.) Imagine you and your friends are making hot dogs. A complete hot do
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B.

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Step-by-step explanation:

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State a true conclusion.
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我想这是选项 1...因为六月是在夏天

希望有帮助:)

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2 years ago
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