3 years ago

What is the answer i need help

Mathematics

1 answer:

Katyanochek1 [597]3 years ago

3 0

Answer:

Step-by-step explanation:

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Find the axis of symmetry of 2x^2 + 12x + 16 Show your work

raketka [301]

The vertex form:

$y=a(x-h)^2+k\\\\(h,\ k)-vertex$

The axis of symetry is x = h.

$y=ax^2+bx+c\to h=\dfrac{-b}{2a}$

We have

$y=2x^2+12x+16\to a=2,\ b=12,\ c=16$

Substitute:

$h=\dfrac{-12}{(2)(2)}=\dfrac{-12}{4}=-3$

<h3>Answer: x = -3</h3>

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3 years ago

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Crazy boy [7]

Answer:

130

Step-by-step explanation:

10 x 13 = 130

13 + 13 + 13 + 13 + 13 + 13 + 13 + 13 + 13 + 13 = 130

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3 years ago

A 0.145 kg baseball pitched at 43.0 m/s is hit on a horizontal line drive straight back toward the pitcher at 52.0 m/s. if the c

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- If the contact time between bat and ball is 3.00 10-3 s, calculate the average force between the ball and bat during contact. ... now that we have dp we divide it by 3 x 10^-3 s. ... therefore the average force ( or impulse) between the ball and the bat during contact is 12000 N.

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3 years ago

Can somebody help me

lesya692 [45]

Answer:

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3 years ago

What is the volume of the cone shown below?

andrezito [222]

<h3>Answer: Choice A) 1344π cubic units</h3>

Work Shown:

r = 8 = radius

h = 63 = height

V = volume of the cone

$V = \frac{1}{3}\pi*r^2*h\\\\V = \frac{1}{3}\pi*8^2*63\\\\V = \left(\frac{1}{3}*8^2*63\right)\pi\\\\V = \left(\frac{1}{3}*63*8^2\right)\pi\\\\V = \left(21*64\right)\pi\\\\V = 1344\pi\\\\$

Side note: You could write the symbol π as "pi" without quotes.

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2 years ago