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LiRa [457]
3 years ago
10

What is the volume of the cone

Mathematics
1 answer:
Umnica [9.8K]3 years ago
3 0

Answer:

37.68

Step-by-step explanation:

use the formula pi(3.14)r^2 h/3

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2 PUIHS
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3 0
3 years ago
X is inversely proportional to y, and x = 18 when y = 4. Write an equation relating the two
Alenkasestr [34]

Answer:

xy=72

Step-by-step explanation:

If x is inversely porportionaly to y, then for some constant k,

x = \frac{k}{y}\\xy=k

Since y is 4 when x = 18, k is equal to 4*18=72, so the equation is:

xy=72

8 0
3 years ago
Amit solved the equation StartFraction 5 over 12 EndFraction = Negative StartFraction x over 420 EndFraction for x using the ste
melomori [17]

Answer:

d

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The product of StartFraction 5 over 12 EndFraction and –420 should have been the value of x.

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The product of 5/12 and –420 should have been the value of x.

Step-by-step explanation:

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7 0
3 years ago
Read 2 more answers
OC and OR are similar. Find the length of QP.
Elena L [17]

Given:

Circle C and circle R are similar.

The length of arc AB is s = \frac{22 \pi}{9}

The radius of circle C (AC) = 4 unit

The radius of circle R (QR) =6 unit

To find the length of arc QP.

Formula

The relation between s,  r and \theta is

arclength = 2\pi r \frac{\theta}{360}

where,

s be the length of the arc

r be the radius

\theta be the angle.

Now,

For circle C

Taking r = 4

According to the problem,

2 \pi r \frac{\theta}{360} = \frac{22 \pi}{9}

or, 2r \frac{\theta}{360} = \frac{22}{9} [ eliminating \theta from both side]

or, \theta = \frac{(22)(360)}{(9)(2)(4)}

or, \theta = 110^\circ

Again,

For circle R

Taking, r = 6 and \theta = 110^\circ we get,

The length of arc QP is

arc length = 2\pi (6)(\frac{110}{360} )

or, arclength = \frac{11 \pi}{3}

Hence,

The length of QP is \frac{11 \pi}{3}. Option C.

5 0
3 years ago
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