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Levart [38]
3 years ago
14

I really need help....

Mathematics
2 answers:
jok3333 [9.3K]3 years ago
7 0

Answer:

x=8

Step-by-step explanation:

2x-7=3x-15

Solve for x

aniked [119]3 years ago
5 0

Answer:

x = 22

Step-by-step explanation:

By the corresponding angle theorem, (3x - 15) = (2x + 7). We can use this to find x by solving for x in the equation we found.

3x - 15 = 2x + 7

Add 15 to both sides.

3x = 2x + 22

Subtract 2x from both sides.

x = 22

So we have found that x = 22.

I hope this helps. Happy studying.

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The cylinders are similar. The volume of the larger cylinder is 9648 cubic inches. What is the volume of the smaller cylinder?
zalisa [80]
Hey there :)

The volume formula of a cylinder is:
V = \pir²h

The volume of the larger volume is given to be 9648³ and the height is 18 in
We need to find the radius first

9648 = \pir²(18)
\frac{9648}{18} = \pir²
536 = \pir²
\frac{536}{ \pi} = r²
\sqrt{ \frac{536}{ \pi } } = r
r ≈ 13.06

The ratio of the big cylinder to small cylinder is:
18 : 9   (given height)
So the big cylinder is 2 times bigger than the small cylinder
Therefore the radius of the big cylinder is as well 2 times bigger

\frac{13.06}{2} = r
r ≈ 6.53  ( the radius of the small radius )

V (of small cylinder) = \pi(6.53)²(9)
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3 0
3 years ago
Can you find the number of triangles in the given figure?​
melomori [17]

Answer:

20?

Step-by-step explanation:

4 0
3 years ago
How do I workout/find the unknown angles please
Cerrena [4.2K]

Answer: x = 135 degrees and y = 225 degrees.

Step-by-step explanation: To solve this problem we first use the equation (n-2)*180 [n being the number of sides] to find the sum of interior angles in the figure. We plug the values in: (8-2)*180 = 6*180 degrees = 1080 degrees. We divide this by 8 to get the measure of an interior angle: 1080 degrees/8 = 135 degrees. Since all the interior angles of a regular polygon are congruent, we can say that angle x + angle y = 360 degrees. Thus subtract x degrees from 360 degrees to get y: 360 degrees - 135 degrees = 225 degrees. Therefore, x = 135 degrees and y = 225 degrees.

6 0
2 years ago
Can someone pls help me
mote1985 [20]

4/52= 0.07692 so it would be C. 0.077

7 0
3 years ago
An orange is shot up into the air with a catapult. The function h given by
Mrrafil [7]

Answer:

Velocity = 59 feet/second

Step-by-step explanation:

h(t) = 15 + 60t – 16t2

Time t = 1 second

Let's substitute time into the equation to get the distance

h(t) = 15+60(1)-16(1)²

h(t) = 15 + 60 - 16

h(t) = 59 feet

Speed or velocity = distance/time

Distance = 59 feet

Time = 1 second

Velocity = 59/1

Velocity = 59 feet/s

7 0
3 years ago
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