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ExtremeBDS [4]
3 years ago
9

2. A scoop of ice cream in the shape of a whole perfect sphere sits in a right cone.

Mathematics
1 answer:
Nady [450]3 years ago
6 0

Answer:

10 cm.

Step-by-step explanation:

The volume of the cone must be equal to the volume of the sphere for there to be no spillage.

The volume of the sphere = 4/3 π r^3 cm^3

= 4/3 * 2.5^3 π  cm^3

The volume of the cone = 1/3 π 2.5^2 h  where h is the height of the cone.

So:   4/3 * 2.5^3 π  =  1/3 π 2.5^2  h

h =  (4/3 * 2.5^3) π  /  (1/3 *2.5^2)π

= 4 * 2.5

= 10 cm.

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A 44<br> B 5<br> C 10<br> D None of the choices are correct.
Brums [2.3K]

Answer:

D. None of the choices are correct.

Step-by-step explanation:

If <em>B</em> is the midpoint of AC, then that means that AB is congruent to BC. Because this is true, you can set 8x + 4 and 10x - 8 equal.

8x + 4 = 10x - 8

Now just solve for x. Subtract 8x from both sides and add 8 to both sides.

4 = 2x - 8

12 = 2x

Then divide by 2.

6 = x

Another way to do this problem is to set up the same equation, but instead of solving it, plug in answer choices A, B, and C independently of each other. Then simplify to see if those are right. You'll find out that none of them are.

4 0
3 years ago
3.
sergeinik [125]

Answer:

14.11

Step-by-step explanation:

.83*16.5=14.11

8 0
2 years ago
Read 2 more answers
Pleaseee help me ! plss
grin007 [14]

Answer: d1 is 50, c2 is 21/25

7 0
2 years ago
<img src="https://tex.z-dn.net/?f=10%20-%206v%20%3D%20" id="TexFormula1" title="10 - 6v = " alt="10 - 6v = " align="absmiddle" c
MariettaO [177]
4v
You would subtract 10-6
Then you would add the v
6 0
3 years ago
Find the distance between the points (2, 8) and (-1, 9).
klemol [59]
Distance = √(x2-x1)² + (y2-y1)²
= √(2+1)² + (8-9)²
= √3² + (-1²)
=  √ 3+1
= √4
= 2

In short, Your Answer would be 2 units

Hope this helps!
7 0
3 years ago
Read 2 more answers
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