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# If s is directly proportional to t and s equals 40 when t equals 15 find t when s equals 64?

Updated: 4/28/2022

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11y ago

s is directly proportional to t

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Q: If s is directly proportional to t and s equals 40 when t equals 15 find t when s equals 64?
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### If y varies directly as x and y equals fifteend and when x equals three find y when x equals twelve?

y is directly proportional to x. When y = 15, x = 3 therefore y = 5x When x = 12, then y = 5 x 12 = 60.

57

15

### If an equation of variation where y varies directly as x and y equals 15 when x equals 5 find when x equals 19?

y = 3x y = 3*19 = 57

### If w varies directly as 2x-1 and w equals 9 when x equals 2 find x when w equals 15?

The phrase "varies directly as" means that there is a number k such that w = k(2x - 1). From the results given for w = 9 when x = 2, 9 = k(4 - 1), or k = 3. Then when w is 15, 15 = 3(2x - 1), or 15 = 6x - 3, or 6x = 15 + 3, or x = 18/6 = 3.

0.8664

### How this question P1V1 equals P2V2 equals 15 when V1 equals 24 find V2 when P2 equals 2?

The question is incomplete and unanswerable as written

No.

### How do you subtract 15 percent from 2037.00?

First, find 15% of 2037.00, by doing (2037*0.15), which equals 305.55; then subtract this 15% amount from 2037, so (2037-305.55) which equals 1731.45.

### What is 15 to the power of 2 equals?

15 to the 2nd power or 15 squared equals 15 * 15 which equals 225.

### What is x plus x plus x for x equals 15?

find x+x+x when x=15 15+15+15=45

### 2X-5 equals 15 FIND X?

2x - 5 = 15 2x = 20 x = 10