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AlladinOne [14]
2 years ago
5

Can sb please help quick.

Mathematics
2 answers:
Vikki [24]2 years ago
5 0

Answer:

315.19

Step-by-step explanation:

Given:

  • <u>Radius</u> of the <em>cone </em>is 7.
  • <u>Height</u> of the<em> cone</em>  is 7.

To find:

The volume of a<em> cone</em> with a <u>radius</u> of <em>7</em> and a <u>height</u> of <em>7</em>.

Solution:

<em>Use the formula:</em><em> </em>V=\frac{1}{3}h\pi r^2

Result:

V=\pi r^2\frac{h}{3}

=\pi *7^2*\frac{7}{3}

≈359.18876

Now round to the nearest hundredth.

≈ 359.19

Note*

Nearest hundredth is the second digit after the decimal point.

vekshin12 years ago
3 0

Answer:

400

Step-by-step explanation:

Volume = 1/3 x 3.14 x (7x7) x 7

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If the area of the triangle (the shaded portion below) within the pentadecagon is 10 units, what is the area
GaryK [48]

Answer:

150

Step-by-step explanation:

8 0
3 years ago
You have just bought a new television and it has an aspect ratio of 16:9. The screen on the television is 65 inches. What is the
sp2606 [1]

Answer:

A

Step-by-step explanation:

The TV to have a 16:9 ratio and have a diagonal of 65 inches must have a length & width whose squares add to 4,225 (65 squared) and whose ratio length and width simplifies to 16/9.

B is not an option because 16^2+9^2\neq 65^2.

C is not an option because \frac{42.59}{21.22}\neq \frac{16}{9} which is 1.777777777778 as a decimal.

D fails for the same reason as C.

Therefore A is the solution because \frac{56.65}{31.86}=\frac{16}{9} and 65.65^2+31.86^2 = 65^2


4 0
3 years ago
I dont understand the math answer can you explain better please.
Lunna [17]

Answer:

Can you elaborate, please?

Step-by-step explanation:

7 0
3 years ago
Question Completion Status:
Vlad [161]

Answer:

60 square feet

Step-by-step explanation:

to get the square feet (or the area basically) you multiply the length and width together

6 0
3 years ago
Any one that knows this please help thanks!
yulyashka [42]

Replace the x with 9, and the y with 1.

(x · y²)/-5 becomes (9 · 1²)/-5

1² is just 1, so you're doing 9 × 1 (which is = 9) over -5.

Therefore, your final answer is -9/5.

4 0
3 years ago
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