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melomori [17]
4 years ago
14

HELP PLS and quick find the volume

Mathematics
1 answer:
Ray Of Light [21]4 years ago
5 0

Answer:

V =96 pi

Step-by-step explanation:

The volume of a cone is given by

V = 1/3 pi r^2 h

Where r is the radius and h is the height

V = 1/3 pi (6)^2 *8

V = 1/3 pi (36)8

V =96 pi

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after 1 second the ball is 76 feet in the air: after 2 seconds it is 144 feet in the air. Find the height of the function. h(x)=
MArishka [77]
General equation for height, h
h = ut + 0.5gt^2

at t=1s, h = 76 feet
76 = u*1 + 0.5*a*1^2
76 = u + 0.5a

at t=2s, h = 144 feet
144 = u*2 + 0.5*a*2^2
144 = 2u + 2a
72 = u + a

Subtract 2 equations
0.5a = -4
a = -8
u = 80

So the equation,
h(x) = 80t + 0.5*(-8) t^2
h(x) = 80t - 4t^2
4 0
4 years ago
Geometry ∠1 and ∠2 are vertical angles. If m∠1 = 17x + 1 and m∠2 = 20x – 14, find m∠2.
stiv31 [10]

Answer:

m∠2= 86

Step-by-step explanation:

since they are vertical angles, that means they are both equal to eachother.

so lets set them equal!

17x+1=20x-14

17x+15=20x

15=3x

x=5

now input x into m∠2

m∠2 = 20(5) – 14 = 86

7 0
4 years ago
Given that f(x) = x2 – 5x – 14 and g(x) = x – 7, find (f +g)(x) and
Angelina_Jolie [31]

Answer:

(f+g)(x)=x^2-4x-21

Step-by-step explanation:

We are given:

f(x)=x^2-5x-14\text{ and } g(x)=x-7

And we want to find:

(f+g)(x)

This is equivalent to:

=f(x)+g(x)

Therefore, by substitution:

=(x^2-5x-14)+(x-7)

Rearranging gives:

=(x^2)+(-5x+x)+(-14-7)

Combine like terms:

=x^2-4x-21

6 0
3 years ago
What is 17.55 rounded to one decimal place?
OlgaM077 [116]
The answer for rounding 17.55 to a decimal place is 88/5.
4 0
3 years ago
Triangles ABC and DEF are similar. Find the missing angles.
Ratling [72]
Angle A and D are similar
Angle B and E are similar
Angle C and F are similar

So this means they have congruent angles, meaning whichever angles are similar the angles will also be similar.

So since angle A is 62 degrees, angle D is 62 degrees too.

Since angle E is 80 degrees, angle B has to be 80 degrees as well.

All triangles add up to 180 degrees, so to find the angle measure of angle C and F, do:

180-(62+80)
180-142
= 38 degrees

So angles C and F are 38 degrees

Conclusion:
angles A and D: 62 degrees
angles B and E: 80 degrees
angles C and F: 38 degrees
4 0
3 years ago
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