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3 years ago

Identify the pair of angles

Mathematics

1 answer:

BartSMP [9]3 years ago

4 0

Answer:

i think its C it should be c

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A cone shaped paper water cup has a height of 12 cm and a radius of 6 cm. If the cup is filled with water to half its height, wh

monitta

Answer:

The portion of the volume of the cup that is filled with water is $\frac{1}{8}$

Step-by-step explanation:

step 1

Find the volume of the paper water cup

The volume of the cone is equal to

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

we have

$r=6\ cm$

$h=12\ cm$

substitute

$V=\frac{1}{3}\pi (6)^{2}(12)$

$V=144\pi\ cm^{3}$

step 2

If the cup is filled with water to half its height, find out what portion of the volume of the cup is filled with water

Remember that

If two figures are similar, then the ratio of its volumes is equal to the scale factor elevated to the cube

In this problem the similar cone has half the height of the complete cone

The scale factor is equal to 1/2

therefore

The volume of the cup that is filled with water is equal to the volume of the complete cup by the scale factor elevated to the cube

$V=(1/2)^{3}(144\pi)=(1/8)144\pi\ cm^{3}$

therefore

The portion of the volume of the cup that is filled with water is

$\frac{1}{8}$

8 0

3 years ago

Read 2 more answers

What is the ph of 0.1M HNO3

11111nata11111 [884]

Answer:

i hope this helps

Step-by-step explanation:

the pH of the solution is 5.74.

5 0

4 years ago

What is the domain of f(x) = 2|x − 1| + 3?

Wewaii [24]

Answer:

<h2>The domain=3</h2>

Step-by-step explanation:

6 0

3 years ago

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A store buys 7 sweaters for $42 and sells them for $182. How much profit does the store make per sweater?

defon

Answer:

$20 per sweater.

Step-by-step explanation:

It is given that,

A store buys 7 sweaters for $42 and sells them for $182.

We need to find how much profit the store make per sweater.

The amount the store bought the sweaters fr is calculated as follows :

$182- $42 = $140

Profit the store made per sweater is given by :

$\dfrac{140}{7}=20$

Hence, the store will make $20 per sweater.

5 0

3 years ago

You borrow $3750 to buy new fitness equipment.The simple interest rate is 2%. You pay the loan off after 4 years. What is the to

Alinara [238K]

Provided the 2% interest rate. The interest itself over a period of 4 years, compounds to $300. Thus, the total interest plus the cost of the fitness equipment would be a total of, $4,050.

6 0

3 years ago