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1 year ago

Question 12(Multiple Choice Worth 5 points)

Mathematics

1 answer:

zubka84 [21]1 year ago

8 0

where is the figure? I can't see it

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Which of the following can be used to calculate the volume of water inside the fish bowl?

Lunna [17]

The volume of a sphere can be calculated as

$V=\frac{4}{3}\pi r^3$

Where r is the radius of the sphere

We want to calculate half of the volume, then we must divide that volume by 2

$V^{\prime}=\frac{1}{2}\frac{4}{3}\pi r^3$

Now we must find the radius of our sphere, the segment AB is the diameter of the sphere, and the radius is half od the diameter, then

$r=\frac{AB}{2}=\frac{12}{2}=6$

Let's put it into our equation

$\begin{gathered} V^{\prime}=\frac{1}{2}\left(\frac{4}{3}\right)(\pi)(r)^3 \\ \\ V^{\prime}=\frac{1}{2}\left(\frac{4}{3}\right)(\pi)(6)^3 \end{gathered}$

The problem says to use

$\pi\approx\frac{22}{7}$

Then

$V^{\prime}=\frac{1}{2}\left(\frac{4}{3}\right)\left(\frac{22}{7}\right)(6)^3$

Final answer:

The formula that can be used to calculate the volume of water inside the fish bowl is

$V=\frac{1}{2}\left(\frac{4}{3}\right)\left(\frac{22}{7}\right)(6)^3$

8 0

1 year ago

Angles on a Straight line always add up to........... degrees

Elden [556K]

Answer:

180°

Step-by-step explanation:

Angles that are called straight angles make up a straight line.

A straight line measures 180°.

So, angles on a straight line make up 180°.

Hope this helps.

4 0

3 years ago

A triangle can be formed with the lengths 10 cm, 5 cm and 14 cm.

Grace [21]

Answer: yes.

Step-by-step explanation: i dont really get this one so i just said yes

5 0

3 years ago

Lucy reads 450 words in 3 minutes.

AnnyKZ [126]

Answer:

3000 words

Step-by-step explanation:

450 words in 3 minutes is 150 words in 1 minute. 20 minutes = 1 times 20.

1 minute = 150 words so 150 words times 20 minutes = 3000 words.

5 0

3 years ago

Forty-two times twenty-seven

sammy [17]

1,134. :DD Hope I helped!

3 0

3 years ago

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