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kati45 [8]
3 years ago
5

A nursery sells English, tea, and miniature rosebushes in red, pink, yellow, and white. How many

Mathematics
1 answer:
rusak2 [61]3 years ago
8 0

is this year 3 math? Its 4

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Y= 1/4 x ^3 -2

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Find the zeros of each function.
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Melissa drove 715 miles in 11 hours.
s344n2d4d5 [400]

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455 miles driven in 7hrs

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6 0
2 years ago
A parabolic arch has a height of 25 feet and a span of 40 feet. How high is the arch 8 feet from each side of the center?
Llana [10]

Answer:

The correct option is;

21 ft

Step-by-step explanation:

The equation of the parabolic arc is as follows;

y = a(x - h)² + k

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We therefore have;

y = a(x - 20)² + 25

Whereby the parabola starts from the origin (0, 0), we have;

0 = a(0 - 20)² + 25

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∴a = -25/400 = -1/16

The equation of the parabola is therefore;

y = (-\frac{1}{16})(x-20)^2 + 25

To find the height 8 ft from the center, where the center is at x = 20 we have 8 ft from center = x = 20 - 8 = 12 or x = 20 + 8 = 28

Therefore, plugging the value of x = 12 or 28 in the equation for the parabola gives;

y = (-\frac{1}{16})(12-20)^2 + 25 = (-\frac{1}{16})(-8)^2 + 25 = 21 \ ft.

4 0
3 years ago
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