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2 years ago

Pls help! I WILL MARK BRAINLIEST IF YOU ARE CORRECT

Mathematics

1 answer:

Anna11 [10]2 years ago

8 0

The correct answer is C

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What is the approximate volume of a cone with a height of 9 ft and radius of 3 ft?

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3 years ago

M is proportional to the cube of r. when r=3m,m=216.when r=5 find the value of m

klio [65]

Answer:

The value of m is 1000 for r=5

Step-by-step explanation:

Given that m is proportional to the cube of r

It can be written as:

$m \propto\ r^3$

When the proportionality symbol is removed a proportionality constant is introduced in the equation.

Let k be the proportionality constant

$m = kr^3$

Given

r=3,m=216

Putting the values

$216 = k(3)^3\\216 = k * 27\\k = \frac{216}{27}\\k = 8$

The equation will now become

$m = 8r^3$

Putting r = 5

$m = 8(5)^3\\m = 8 * 125\\m = 1000$

Hence,

The value of m is 1000 for r=5

7 0

2 years ago

Which is equivalent to x?<br> *image included below*

Assoli18 [71]

Answer:

$\bigodot B.\:\: 31\sqrt 3$

Step-by-step explanation:

$\huge x= 62.\cos 30\degree$

$\huge x= 62.\frac{\sqrt 3}{2}$

$\huge x= 31\sqrt 3$

8 0

1 year ago

CAN SOMEONE HELP PLEASE

Arisa [49]

Answer:an equivalent answer is 4/14 or 18/63

Step-by-step explanation:

i really dont understand stand the question but there

6 0

2 years ago

I need help on 11-16

alisha [4.7K]

I cant see all of 11 and 14
12:
$3f = 18 \\ \frac{3f}{3} = \frac{18}{3} \\ f = 6$
13:
$3f = {3}^{2} \\ 3f = 9 \\ \frac{3f}{3} = \frac{9}{3} \\ f = 3$
15:
$3h = 9 + 10 \\ 3h = 19 \\ \frac{3h}{3} = \frac{19}{3} \\ h = 6.3$
16:
$3f = 27 - 21 \\ 3f = 6 \\ \frac{3f}{3} = \frac{6}{3} \\ f = 2$

6 0

3 years ago