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Nady [450]
3 years ago
6

Using 70 POINTS NEED YOUR HELP NOT SPAMMERS. To make an ice-cream cone, employees at an ice-cream shop completely fill the cone

and then add one scoop of ice cream on top. The cone has a height of 6 inches and a diameter of 2 inches.
To the nearest cubic inch, how much ice cream is in the cone before the scoop is added on the top?


6 in³

19 ​in³​

25 ​in³​

75 ​in³​
Mathematics
2 answers:
IRINA_888 [86]3 years ago
3 0
19in__________________________________________________________________________________________________________________                                                                                                                                                                                                               
mr_godi [17]3 years ago
3 0

Answer:

6in^3

sorry this is late. but i put 19in^3 and got it wrong. the k12 test said the correct answer is 6in^3

if it isnt correct for you, im sorry

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8 0
2 years ago
The radius of a circle is changing at the rate of 1/π inches per second. At what rate, in square inches per second, is the circl
MAXImum [283]

Answer:

10 square inches per second.

Step-by-step explanation:

The radius of the circle is given by the equation:

r(t) = (1/π  in/s)*t

Where time in seconds.

Remember that the area of a circle of radius R is written as:

A = π*R^2

Then the area of our circle will be:

A(t) = π*( (1/π  in/s)*t)^2 = π*(1/π  in/s)^2*(t)^2

Now we want to find the rate of change (the first derivation of the area) when the radius is equal to 5 inches.

Then the first thing we need to do is find the value of t such that the radius is equal to 5 inches.

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So the radius will be equal to 5 inches after 5*π seconds, let's remember that.

Now let's find the first derivate of A(t)

dA(t)/dt = A'(t) = 2*(π*(1/π  in/s)^2*t = (2*π*t)*(1/π  in/s)^2

Now we need to evaluate this in the time such that the radius is equal to 5 inches, we will get:

A'(5*π s) = (2*π*5*π s)*((1/π  in/s)^2

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The rate of change is 10 square inches per second.

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3 years ago
Please help me I'll give you the crown if its right
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Your range is 8

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3 years ago
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