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kotegsom [21]
3 years ago
11

Taree fourts of the 64 books were math books. determine the percent of the books that were math books.​

Mathematics
1 answer:
Volgvan3 years ago
4 0

Answer:  <em>75% - these are books on mathematics.</em>

Step-by-step explanation:

\dfrac{3}{4} \cdot 64 = 48\\

<em>64 - 100%</em>

<em>48  -  x%</em>

\dfrac{64}{100} =\dfrac{48}{x}\\\\x=\dfrac{48 \cdot 100}{64}  \\\\x=75 \%

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kolbaska11 [484]
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1 year ago
The height and diameter of a cone-shaped storage tank are 9 feet (height) and 14 feet
lana [24]

Answer: 461.60 is the volume of liquid the tank can hold.

Step-by-step explanation:

We were given;

Height H = 9 ft

Diameter D = 14 ft

Pie π = 3.14

We will make use the formula of volume of a cone to get volume of water the tank can hold because it is said that the tank is in the shape of a cone

So

V = 1/3 * πr2h

First we need to find our radius r

Radius = 1/2 of diameter = 14/2 = 7

So using the formula

V = 1/3 * πr2h

V = 1/3 (3.14 * 7² * 9)

V = (3.14 * 49 * 9)/3

V = 1384.74 / 3

V = 461.58 = 461.60 (nearest ten)

3 0
3 years ago
Finn is baking cakes for a party. The number of cups of sugar Finn needs is proportional to the number of cakes he plans to bak
pishuonlain [190]
1st and 4th answers are correct.
3 0
3 years ago
Read 2 more answers
What is the answer to 9x(6+x)
bixtya [17]

9x(6+x)

54x+9x

43x

So in the end the answer after doing the work it will be 43x

8 0
3 years ago
Read 2 more answers
Is 64 divided by 4 16?
IrinaK [193]

Answer:

Yes, 64 divided by 4 is 16.

Step-by-step explanation:

64/4 = 16.

16*2 = 32

32+32 = 64

6 0
3 years ago
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