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ExtremeBDS [4]
3 years ago
14

There is 20% of a 50lb. Bag of dog food left. How much has been used?

Mathematics
1 answer:
Nitella [24]3 years ago
5 0

Answer:

40 lbs was used

Step-by-step explanation:

If there is 20% left, that means 80% was used

50 *80%

Change to decimal form

50 *.80

40

40 lbs was used

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The area of a circular swimming pool is approximately 18 m2. Which is the best estimate of the radius (r)?
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What is the area of a triangle with vertices at (−2, 1) , (2, 1) , and ​ (3, 4) ​ ?
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Add and simplify 1/5 + 1/10
aliya0001 [1]

In order to add these fractions we have to make a common denominator.

1/5 can turn into 2/10 Its the same thing. And its easier to solve with.

now lets multiply.

\frac{2}{10} × \frac{1}{10}

Now we add across

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3 years ago
10/15 as a % to 2 decimal places
PolarNik [594]

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Step-by-step explanation:

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3 0
3 years ago
A basketball with a diameter of 9.5 in. is placed in a cubic box with sides 15 in. long. How many cubic inches of packing foam a
Doss [256]

Answer:

The volume of foam needed to fill the box is approximately 2926.1 cubic inches.

Step-by-step explanation:

To calculate the amount of foaming that is needed to fill the rest of the box we first need to calculate the volume of the box and the volume of the ball. Since the box is cubic it's volume is given by the formula below, while the formula for the basketball, a sphere, is also shown.

Vcube = a³

Vsphere = (4*pi*r³)/3

Where a is the side of the box and r is the radius of the box. The radius is half of the diameter. Applying the data from the problem to the expressions, we have:

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Vsphere = (4*pi*(9.5/2)³)/3 = 448.921

The volume of foam there is needed to complete the box is the subtraction between the two volumes above:

Vfoam = Vcube - Vsphere = 3375 - 448.921 = 2926.079 cubic inches

The volume of foam needed to fill the box is approximately 2926.1 cubic inches.

4 0
3 years ago
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