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lana66690 [7]
3 years ago
7

What is the volume of a cylinder when the radius is 3 and height is 7

Mathematics
2 answers:
Kipish [7]3 years ago
8 0

Answer:

197.92

Step-by-step explanation:

To find the volume of a cylinder use V=πr2h.

Then fill in the equation with known information

V=π(3²)(7)

V= 197.92

If there are any units your answer will need them.

kap26 [50]3 years ago
5 0

Answer:

63pi

Step-by-step explanation:

the formula for the volume of a cylinder is pi r^2 h

r=radius

h=height

3=r

7=h

pi((3)^2)7

63pi units^3

Hope that helps :)

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Ernest has 3/4 of a yard of ribbon. She used 1/2 of it to wrap a gift. How much ribbon did she use
Ivenika [448]


\frac{3}{4} (yard) \times \frac{1}{2} = \frac{3}{8} (yard) \ \\
5 0
2 years ago
A city bus collected $780 in fares on one day.
Brilliant_brown [7]

Answer:

450 people paid the discounted fare and 750 people paid the regular fare.

Step-by-step explanation:

let r be regular fares paid and d be discounted fares paid

Total fares = 0.8r + 0.4d = 780

Since 1200 people paid the fares,

r + d = 1200 = Total people

Rearrange this formula:

r = 1200 - d

Substitute r into Total Fares formula

Total fares = 0.8r + 0.4d

780 = 0.8(1200-d) + 0.4d

780 = 960 - 0.8d + 0.4d

780 = 960 - 0.4d

0.4d = 180

d = 450

Sub d=450 into Total people formula

r + d = 1200 = Total people

r + 450 = 1200

r = 1200-450

r = 750

450 people paid the discounted fare and 750 people paid the regular fare.

3 0
3 years ago
Read 2 more answers
Subtract 5x²-7x-6 from<br> 9x² + 3x-4
Kobotan [32]

Answer:

the answer is 4 x ^2 + 10 x + 2

Step-by-step explanation:

hope this helps you out :) plz mark brainiest

7 0
3 years ago
Angles X and Y are complementary. The measure of Angle Y is 55.5 degrees. What is the measure of Angle X?
mina [271]
Two angles are called complementary when their measures add to 90 degrees
8 0
3 years ago
You evenly split the bill 135 among 3 people you all agree to leave a 20% tip of your bill. How much does each person owe toward
lana66690 [7]
135/3=45
20% of 45=9
45+9=54
so each person owes $54 toward bill and tip
6 0
3 years ago
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