When 56 is added to a number the answer is the same as multiplying the number by 9 what is that numbet

The number that when added to 56 is same as multiplying the number by 9 is; 7

Let the number that is added to 56 be x.

We are now told that the sum of 56 and the number is same as multiplying the number by 9.

Thus;

x + 56 = 9x

Using subtraction property of equality, subtract x from both sides to get;

9x - x = 56

8x = 56

Use division property of equality to divide both sides by 8 to get;

x = 56/8

x = 7

In conclusion, the unknown number is gotten to be 7.

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Let the unknown number be x.

"When 56 is added to a number": x + 56

"the answer is the same": =

"as multiplying the number by 9": x * 9, or 9x

9x = x + 56

Subtract x from both sides.

9x - x = x - x + 56

8x = 56

Divide both sides by 8.

8x/8 = 56/8

x = 7

The number is 7.

80π/3 or about 83.775

step-by-step explanation:

since a cone is 1/3 of a cylinder, we need to find the base's area. since area = πr^2, we get 16π. then, multiplying this by 5, we get 80π. dividing by 3, since the cone's volume is 1/3 of that of a cylinder's, we get 80π/3.

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