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Citrus2011 [14]
3 years ago
6

Was the ratio of 2:7 equivalent to

Mathematics
2 answers:
zhenek [66]3 years ago
7 0

4:14

because 2*2 is 4 and 7*2 is 14


mars1129 [50]3 years ago
7 0

4:14 is the equivulant ratio of 2:7

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The cylinders are similar the volume of the larger cylinder is 1600 cubic centimeters what is the volume of the smaller cylinder
cestrela7 [59]

We are given Volume of the larger cylinder is = 1600 cubic centimeters.

Height of the larger cylinder = 16 cm.

We know formula of volume of a cylinder V=\pi r^2h, where r is the radius of cylinder,  h is the height of the cylinder.

Plugging value of V and h of larger cylinder, we get

1600=\pi r^2(16).

Dividing both sides by 16, we get

\frac{1600}{16}=\frac{\pi r^2 (16)}{16}

r^2=100

Taking square root on both sides, we get

r=10.

Therefore, radius of the larger cylinder is 10 cm.

We are given cylinders are similar .

<u>Note: The radii and heights of similiar cylinders are in same ratio.</u>

Therefore, we can setup a proportion:

Let us take radius of small cylinder is x.

\frac{x}{10}=\frac{4}{16}

\frac{x}{10}=\frac{1}{4}

Multiplying both sides by 10, we get

10 \times \frac{x}{10}=10 \times\frac{1}{4}

x=2.50.

Therefore, radius of the small cylinder = 2.5 cm.

Now, plugging radius =2.5 and height  = 4 in the formula of volume the cylinder, we get

V=\pi (2.5)^2(4)=\pi (6.25)(4) =25 \pi \ cm^3.

Therefore, correct option is 25 pi cm^3.

8 0
2 years ago
At. Camp, the counselors were organizing a relay. The teams can have 4 or 5 members. There are 36 campers. How many relay teams
Tems11 [23]

The answer is 9 as 36/4=9.

3 0
3 years ago
Read 2 more answers
What property is shown 4/5 + (-4/5) =0
mina [271]

Answer:

Inverse property of addition

Step-by-step explanation:

When you add two opposite numbers (4/5 is the opposite of [-4/5]) the answer is always zero.

3 0
3 years ago
Write the equation of the line that is parallel to y=3x+1 that passes through (2,3)
FromTheMoon [43]

Answer:

Y=3X+3

Step-by-step explanation:

Y=mx+b

m=3

when x=2 and y=3 b=3

5 0
3 years ago
Find the equation of the line:
natta225 [31]

Answer:

x=4.5.

The slope is undefined. Thus the y variable is irrelevant. It appears as though the line crosses through 4.5 on the x axis making the equation

x = 4.5

5 0
1 year ago
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