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Q: How do you write 15 times the number of hours as a variable expression?

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10n

y = 4x + 6

Assuming you call your number "n", the expression would be "14n". You can replace "n" with whatever variable you want to use.

-10-18x

If a certain number of hours is "x", then 8 times as much would simply be "8x".

The expression can be thus: 3x-3 whereas x is the unknown variable

As an algbraic expression it is: 11x+7 whereas x is the unknown variable

3x+2. x equals any given number.

3x5 ÷ 7y4

14x

Multiplicand times multiplier equals product. If the expression has a variable, the numerical factor of the variable is the coefficient.

k = 10 3k = 30 When a number appears next to a variable (like "k") it usually means multiply the number times the variable.

x = 6n/42 x = n/7

Multiplicand times multiplier equals product. If the expression includes a variable, the numeral is the coefficient.

Translate the following phrase into a variable expression. Use the letter d to name the variable. …7 times the distance

It appears that the question is incomplete and so cannot be answered. There should be a number (or variable) after "minus".

6w

10n

3(z+15)

5 times n (n is a variable--it is the number you are trying to find)

So let us say that 3 is your number and 4x is your number and the variable. 4x is like 4 times x so 3 times 4 times x so the answer is 12x. This works with every number.

Because "x" is a variable, it is the same as 9 times x.

Multiplicand times multiplier equals product. If the expression includes a variable, the numerical factor is the coefficient.

Write the following as an algebraic expression using x as the variable: The sum of a number and -8

If x is used to represent the unknown number, then the expression for 20 times a number would be 20x.