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Sloan [31]
3 years ago
13

The volume of a cone varies jointly as the square of its radius and its height. if the volume of a cone is 99piπ cubic inches wh

en the radius is 3 inchesinches and the height is 3 ​inches, find the volume of a cone when the radius is 4 inchesinches and the height is 9 inches.
Mathematics
1 answer:
tatyana61 [14]3 years ago
7 0
Any answer choices ?

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Cloud [144]
Answer: he completed he completed 103.5 push ups in 45 seconds
7 0
3 years ago
What is the polynomial function of least degree whose only zeros are -3, ,-2, and 4 ?
victus00 [196]

Answer: (x³ - 2x² - 11x + 12)

Step-by-step explanation:

Recall that zeroes can be transformed into factors by subtracting them from x. This gives us the following factors:

(x - 1)(x + 3)(x - 4)

Now, if you multiply the first two factors together, you get the following:

(x² + 2x - 3)

Multiply that by the last factor, (x - 4), and you get this:

(x³ + 2x² - 3x - 4x² - 8x + 12)

This can be simplified:

(x³ - 2x² - 11x + 12)

And there's your final answer. Hope this helped! (x³ - 2x² - 11x + 12)

7 0
3 years ago
5. Solve the system:<br> x + 3y = -5<br> 5x - 2y = 9
goldenfox [79]

Answer:

Step-by-step explanation:

x=1

y= -2

See step by step explanation below:

5 0
2 years ago
Read 2 more answers
HELPPPPP I DONT UNDERSTANDDDD
max2010maxim [7]
This is how you do it hope this helps.

5 0
2 years ago
Maria spend 5 hours studying and earned a 90 on her exam. If you want to score a 81, how much time do you need to spend studying
Oliga [24]

Answer:

4hrs 30 mins

Step-by-step explanation:

5hrs-90

x-81

cross multiplying gives us

405-90x then dividing through made x=4.5 which is = 4hrs 30mins

7 0
3 years ago
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