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Darina [25.2K]
3 years ago
13

81 is 18% of what number?

Mathematics
1 answer:
Gnom [1K]3 years ago
7 0
The answer is: 450
First we need to see if we need to find the percent, part, or whole. In this case its the whole.
First, you set up a proportion: 18/100 = 81/x
Next, you cross multiply: 18x(8100)
Then, you divide: 8100÷18 = 450
So 450 is your answer.
Hope this helps! :D
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Answer:

<u>1 and 2/3</u>

Step-by-step explanation:

If

length = 1/3     and width= 1/2

then the equation will look like this,

2(1/3+1/2)

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2(5/6)=<u> 1 and 2/3</u>

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3 years ago
A spherical cantaloupe is cut in half. The visible cross-section has an area of 5252 in2. The volume of the cantaloupe is _____
artcher [175]

Answer:

V = 286319.465 cm3

Step-by-step explanation:

First, you have to find the radius to be able to find the volume of a sphere.

The equation for the area of a circle is pi r^2 so you have to so some algebra.

5252 = pi r ^2

5252/pi = r^2

1671.76352 = r^2

sqrt(1671.76352) = r

r = 40.8872048

then you do the equation for the volume of a circle which is 4/3 pi r^3

4/3 pi (40.8872048)^3

4/3 pi 68353.7373

4/3 214739.599

286319.465

V = 286319.465 cm3

6 0
2 years ago
Candy comes in large bags of 75 candies, a 1 pound bag, and a large bags with multiple fun-size packs. Jenny randomly opened 12
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Answer:

the mean of the red is 1.75, while the mean of the purple is 2.25

Step-by-step explanation:

LMK if this helps!

hope it does!

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