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il63 [147K]
3 years ago
13

Find the axis of symmetry for the equation in vertex form. y=(x+2)^2+1

Mathematics
1 answer:
VikaD [51]3 years ago
6 0
I’m not sure but use Desmond
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A jogger runs around a circular track of radius 55 ft. Let (x,y) be her coordinates, where the origin is the center of the track
bagirrra123 [75]

Answer:

11.25 ft/sec

Step-by-step explanation:

Given that a jogger runs around a circular track of radius 55 ft.

. Let (x,y) be her coordinates, where the origin is the center of the track.

Then we know x,y satisfies the equation of the circle as

x^2+y^2 = 55^2

Let us differentiate this implicit function with respect to t

2x \frac{dx}{dt} +2y \frac{dy}{dt} =0

At this point, dx/dt 15 and x=33. y =44

Substitute to have

2(33)(15) +2(44) \frac{dy}{dt}\\=0\\\frac{dy}{dt}=11.25

dy/dt = 11.25 ft /s

6 0
3 years ago
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madreJ [45]
Answer: f= -11

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7 0
3 years ago
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Consider the table of the powers of 8.
garri49 [273]
C loser that’s the correct number
8 0
2 years ago
If 3500 miles are traveled at a rate of 175 miles per hour, what is the time in hours? (hint: Distance = Rate * Time)
laiz [17]
3500 miles divided by 175 Miles Per Hour. 3500/175=20 Hours.
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3 years ago
Is -6.175 is an irrational number?
kipiarov [429]
No.

Any number you can write completely is a rational number.
Any number with a repeating decimal fraction is also a rational number.
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Any number that goes on forever without repeating is an irrational number. These are usually represented symbolically (because they cannot be written "exactly" any other way). These include such numbers as √2, π, e, ∛(-4), and an infinite number of others.
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