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Sonja [21]
3 years ago
11

Please solve this for me! Thank you so much I appreciate you. tpwk

Mathematics
1 answer:
Juli2301 [7.4K]3 years ago
5 0

Answer:

C

Step-by-step explanation:

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A frustum is formed when a plane parallel to a cone’s base cuts off the upper portion as shown. Which expression represents the
Bezzdna [24]
Think of the two pieces together as a single cone of height 19, and its volume.
Then think of only the upper piece as a cone, and find its volume.
The volume of the frustum is the total volume minus the volume of the upper piece.

The volume of a cone is:

V = \dfrac{1}{3} \pi r^2 h

Total volume:

V_t = \dfrac{1}{3} \times \pi \times 7.5^2 \times 19

Volume of upper cone:

V_u = \dfrac{1}{3} \times \pi \times 3.5^2 \times 8

Volume of frustum:

V_f = \dfrac{1}{3}\pi(7.5^2)(19) - \dfrac{1}{3}\pi(3.5^2)(8)



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3 years ago
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A family of 5 people attends a theme park. the purchase 2 adult tickets for $27.50 each and 3 student tickets for $12.50 each. i
pickupchik [31]
 They should get $7.50, because you multiply the adults by two, then the children by three, and add it all together
8 0
3 years ago
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Which phrase describes an unknown or changeable quantity?
Flura [38]

Answer:

That is a variable.

Step-by-step explanation:

- opposed to a constant which is known and does not change.

3 0
1 year ago
HELP!!<br> what is the value of w?<br> A.40<br> B.52.5<br> C.75<br> D.100
Inga [223]
The angles w and 80 are inscribed angles in the top left and bottom right corners respectively. They are opposite angles in this inscribed quadrilateral. Because they are opposite angles in the inscribed quadrilateral, they add to 180 degrees.

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3 years ago
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Rzqust [24]

Answer:  \dfrac{6}{8}

Step-by-step explanation:

Given

There are 6 Programmers and 8 Analysts working on a team at CIA.

Ratio of Programmers to analysts is

\Rightarrow \dfrac{6}{8}

Un-simplified ratio is \dfrac{6}{8}

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6 0
2 years ago
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