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valentinak56 [21]
3 years ago
9

A cylinder has a diameter of 14 cm and a volume of 112 pi.

Mathematics
1 answer:
vekshin13 years ago
8 0
Height of cylinder is 2.285 centimeters

Diameter = 14 cm
Radius = 7 cm (14/2)
Volume = 112 pi

Volume of cylinder = pi(radius)^2 h
112pi = pi(7)^2 h
Divide both sides
112 = 49 h
h = 112/49
h = 2.285 centimeters
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Answer:

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Step-by-step explanation:

<u><em>The question in English is</em></u>

In the school Francisco I. Madero of Ciudad Delicias, the celebration was held for  commemorate the arrival of spring, after the parade the stalls were set up  of the kermesse. The first grade group bought 8 cakes and sold 3/4 of the total.

How much of the cake was not sold?

Let

x ----> number of cakes sold

y ----> number of cakes that didn't sell

we know that

The first grade group bought 8 cakes

so

x+y=8 -----> equation A

The first grade group sold 3/4 of the total.

so

x=\frac{3}{4}(x+y) ---> equation B

substitute equation A in equation B

x=\frac{3}{4}(8)=6

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therefore

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4 0
3 years ago
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Answer:

see below

Step-by-step explanation:

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explicit formula

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recursive formula

an+1 = an +6

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n =10

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sum formula

see image

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

We are given the equations 2(x+9), 30+18 to search for a value of x that yields an equivalent statement.  2(x+9)=30+18\\2(x+9)=48\\x+9=24\\x=15.

7 0
3 years ago
Read 2 more answers
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3 years ago
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