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vlada-n [284]
3 years ago
5

Which angles are pairs of corresponding angles? Check all that apply

Mathematics
1 answer:
AleksAgata [21]3 years ago
6 0

Answer:

B and D people. Your welcome.

Step-by-step explanation:

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Reggie spent 2/5 of his day at a day camp exploring nature. if he was at camp for 10 hours, how many hours did he spend explorin
creativ13 [48]
2/5 * 10 
= 20/5
= 4 hours
4 0
3 years ago
Please asap<br>for 10 points!​
kari74 [83]
<h3>Given:</h3><h3>Large cone:</h3>
  • r= 8 cm
  • h= 20 cm
<h3>Small cone:</h3>
  • r= 4 cm
  • h= 10cm
<h3>Note that:</h3>
  • r: radius
  • h: height
<h3>To find:</h3>
  • The volume of the frustum of the given cone.
<h3>Solution:</h3>
  • Frustum is a part of a cone formed by cutting off the top by a parallel plane.

\large\boxed{Formula: V= \frac{1}{3}\pi{r}^{2}h}

Let's solve!

First, let's find the volume of the smaller cone.

Substitute the values according to the

formula.

V= \frac{1}{3}×\pi×{4}^{2}×10

V= 167.5516082 \: {cm}^{3}

Now, we can round off to the nearest hundredth.

The value in the thousandths place is smaller than 5 so we won't have to round up.

\boxed{V= 167.55 \: {cm}^{3}}

Next, let's find the volume of the bigger cone.

Substitute the values according to the formula.

V= \frac{1}{3}×\pi×{8}^{2}×20

V= 1340.412866 \: {cm}^{3}

Now, we can round off to the nearest hundredth.

The value in thousandths place is smaller than 5 so we won't have to round up.

\boxed{V=1340.41 \: {cm}^{3}}

Now, we can find the volume of the frustum.

We'll have to minus the volume of the smaller cone from the bigger cone.

V= 1340.41-167.55

\large\boxed{V= 1172.86 \: {cm}^{3}}

<u>Hence, the volume of the frustum is 1172.86 cubic centimeters.</u>



8 0
2 years ago
Book costs $5.25 plus sales tax. After sales tax, the book is $5.58. What is the sales tax rate?
Karolina [17]
5,25-5,58=0,33

The answer is $0,33
8 0
3 years ago
Read 2 more answers
X+3/2 + (x-1) = 4/5 ​
tester [92]

Answer:

x = \frac{3}{20}

Step-by-step explanation:

Given

x + \frac{3}{2} + (x - 1) = \frac{4}{5}

Multiply through by 10 ( the LCM of 2 and 5 ) to clear the fractions

10x + 15 + 10(x - 1) = 8

10x + 15 + 10x - 10 = 8

20x + 5 = 8 ( subtract 5 from both sides )

20x = 3 ( divide both sides by 20 )

x = \frac{3}{20}

3 0
2 years ago
Read 2 more answers
At a hardware store, a tool set normally costs $80. During a sale this week, the tool set costs $12 less than usual. What percen
Sav [38]

Answer:

Answer is 15%

You have to do a proportion

12. = x

80 100 and u have to cross multiply

80x = 1200

80. 80

then divide 1200÷80=15

Step-by-step explanation:

5 0
3 years ago
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