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stiks02 [169]
3 years ago
13

Find the volume of a cylinder with diameter = 21cm and height = 15cm. Round your answer to the nearest cm3.

Mathematics
1 answer:
Ymorist [56]3 years ago
5 0

Answer:

the answer is C

Step-by-step explanation:

V=πxhxr^2

V=πx15x10.5^2

V=πx15x110.25

V=47.1x110.25

V=5195cm3

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The area of a gymnasium is (27x + 18) square units. Factor 27x + 18 to find possible dimensions of the gymnasium.
Veronika [31]

Answer:

Dimension of gymnasium= 9 units and (3x+2) units.

Step-by-step explanation:

We have been given the area of a gymnasium is 27x+18 square units. We are asked to find possible dimensions of gymnasium by factoring our given expression for area of gymnasium.

Let us factor our greatest common factor of our given expression. We can see that 9 is the GCF of our given expression.

(9\times 3x+9\times 2)

Upon factoring out 9 from our given expression we will get,

9(3x+2)

Therefore, the possible dimensions of the gymnasium will be 9 units and (3x+2) units as we will get the same area for gymnasium by multiplying these both dimensions.  

8 0
3 years ago
Read 2 more answers
Simplify.<br> [72/(-9)]/(-1/3)
Nutka1998 [239]

Answer:

24

Step-by-step explanation:

(72/-9) / (-1/3)

72/-9) x (-3/1)

(72)*(-3) = - 216/ -9

= 24

4 0
3 years ago
Help me please! Write the measure of angles a, b, c, d, e, f, and g for the figure below.
Lina20 [59]

Answer:

a=55

b=55

c=125

d=125

e=55

f=55

g=125

Step-by-step explanation:

8 0
2 years ago
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What additional piece of information must be known in order to calculate the volume of the cylinder below? 7 in O the diameter o
slega [8]
The height of the cylinder
4 0
3 years ago
Please help!!! 15 points!
scZoUnD [109]

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4 0
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