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Leona [35]
3 years ago
8

SOMEONE HELP ME IDC IF U DO ONE PROBLEM OR BOTH JUST PLSSS

Mathematics
1 answer:
meriva3 years ago
6 0

Answer:

1- 2 miles per hour

2- 180 miles per hour

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Can I plz get help??? And a I need like a step to step solving it plzz
skelet666 [1.2K]

Answer:

V = 386.04

Step-by-step explanation:

V = \frac{4}{3}\pi r^{2}

V = \frac{4}{3}\pi 9.6^{2}

V = (4/3)\pi92.16

V = 122.88\pi

V = 386.04

3 0
3 years ago
Use f(x) = x^2 + 4x - 12
Mashutka [201]

Answer:

I imagine you aren't using calculus, so:

A: the leading term is 1>0, so it opens upwards.

B. First coordinate of the vertex is -\frac b{2a}=-\frac42=-2, the second coordinate we'll find by replacing the value: f(-2)=(-2)^2+4(-2)-12 = 4-8-12=-16

C. Quadratic formula or if you stare at the equation long enough you can rewrite the equation as  f(x) = (x+6)\times(x-2). At this point the x intercepts are the zeroes of the function, or -6 and 2.

D. The y-intercept is the value of the function at 0, or the constant term: -12

E. The graph has a minimum since the curve opens upwards.

8 0
2 years ago
Please Help! A car traveling at 15 m/s starts to decelerate steadily. It comes to a complete stop in 10 seconds. What is it's ac
Eva8 [605]

Answer:

initial velocity = 15 m/s

final velicity = 0 m/s

time required = 10sec

Formula is V = U + at

0 = 15 + a 10

-15 ÷ 10 = acc

acc = - 1.5 m/s^2

plz give branlist

6 0
3 years ago
What does the expression 5-n mean
Novay_Z [31]

Answer:

It just means "5-n"

Step-by-step explanation:

There's really nothing to it. It's just an expression, it doesn't 'mean' anything.

4 0
3 years ago
Iew
Contact [7]

Answer:x

Step-by-step explanation:

6 0
3 years ago
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