3 years ago

1089 141° Next Question Check Answer

Mathematics

1 answer:

timofeeve [1]3 years ago

8 0

Answer:

The answer is that x is equal to 33⁰

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1. The formula for the volume of a cone is

Andre45 [30]

Answer:

$r=\sqrt{\frac{3V}{\pi\ h}}$

Step-by-step explanation:

The volume of cone is given by:

$V=\frac{1}{3}\pi\ r^2\ h$

where $r$ is the radius of the base and $h$ is the height of the cone.

We need to solve for $r$

we have $V=\frac{1}{3}\ \pi\ r^2\ h$

Multiplying both sides by 3 to remove $\frac{1}{3}$

⇒ $3\times V=3\times \frac{1}{3}\ \pi\ r^2\ h$

⇒ $3V=\pi\ r^2\ h$

dividing both sides by $\pi\ h$

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

⇒ $\frac{3V}{\pi\ h}=r^2$

Taking square root both sides:

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

⇒ $\sqrt{\frac{3V}{\pi\ h}}=r$

∴ $r=\sqrt{\frac{3V}{\pi\ h}}$

3 0

3 years ago

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Fiona wrote the linear equation y = 2/5x -5

postnew [5]

Answer:

i think it is answer choice 2

Step-by-step explanation:

it is the only answer that works with the reciprocal

4 0

3 years ago

Use the markings in the image to answer the following questions (drawing not to scale):

olga nikolaevna [1]

Hope this helps!

There are 3 images with full explanation

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3 years ago

Which functions are correctly graphed? <br><br> Select all the correct answers

garri49 [273]

the second one, and the third one

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3 years ago

What is the greatest common factor of 16 and 24?

almond37 [142]

Eight is the greatest common factor because it is the last of the numbers that can go into both of those numbers.

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3 years ago

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