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Digiron [165]
3 years ago
6

A glass dome for a lighting fixture is in the shape of a hemisphere. The circumference of the great circle of the hemisphere is

12π inches. Which statements about the hemisphere are true? Check all that apply.
The radius is 6 inches.
The total surface area is 108π square inches.
The radius is 12 inches.
The total surface area is 144π square inches.
The total surface area is 432π square inches.
The total surface area is 36π square inches.
Mathematics
1 answer:
Alona [7]3 years ago
4 0

Answer:

A and B

Step-by-step explanation:

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Solve for X. The Triangles in each pair are similar
Klio2033 [76]

Answer:

x = 7

Step-by-step explanation:

In this question, we need to find what the value of x is.

To do so, we need to find the value of the change of the triangle, since the triangles are basically the same

We know to get from 18 to 27, we would need to multiply 18 by 1.5.

This means that the triangle "BCD" is increasing from 1.5 to get "JKL"

With this knowledge, we also know that side CB, 10, needs to increase by 1.5

When you multiply 10 by 1.5, you get 15.

The triangle side "JK" is the same side as "CB", so we need to find what makes the value of 15 for the "JK" side.

To do this, solve 3x-6 for 15.

3x - 6 = 15

Add 6 to both sides.

3x = 21

Divide both sides by 3

x = 7

The x-variable would be 7.

5 0
2 years ago
Please help I’m being timed
koban [17]

Answer:

slope is 0

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
4. For each equation, determine if =-2 is a solution. Explain or show your reasoning.
Aneli [31]

Answer:

a. 14 b. -2

Step-by-step explanation:

a. 10=2x-18

28=2x ; x=14

b. 3x+12=2x+6+4

3x+12=2x+10

x=-2

6 0
3 years ago
The graph shows two lines, A and B.
Papessa [141]
Part A: One solution because the lines intersect one time.
Part B: (3,4) or x=3 and y=4 (depending on how you have to write it)
8 0
2 years ago
Suppose a Ferris Wheel is 160 feet high and casts a shadow that is 64 feet long. At the same time, a ticket booth next to the fe
const2013 [10]
I think the ticket booth would be 7 feet high. 160/64 = 2.5. 2.8 x 2.5 = 7
7 0
2 years ago
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