Answer:
18x - 22
Step-by-step explanation:
12x +<u> 2 (3x - 7)</u> - 8
underlined section is indicating that you need to multipy
so 2 mulitiplied by 3x is 6x
and 2 multiplied by 7 is 14
your new expression should look like this: 12x + (6x -14) - 8
now to simplify the expression you combine like terms, so combine the integers, and combine the X numbers.
so 12x and 6x = 18x
and (-14) and (-8) comes out to (-22)
this is the final answer:
18x - 22
Linear is y=my+b but sequence arithmetic is t(x)=dn+t(0)
(2x - 11) + (3x+1) = 180
5x - 10 = 180
5x = 190
x = 38
I believe that the answer is 4.
4*2=8
4*9=36
:)
Hope this helps!
Answer: f(t) = 15 - 1.1t
Step-by-step explanation:
Let t represent the number of hours since the candle was lit.
A 15-inch candle is lit and burns at a constant rate of 1.1 inches per hour. This means that in t hours, the candle that would have burnt is 1.1t
The length of the candle that would be left after t hours is expressed as
15 - 1.1t
suppose f is a function such that f(t) represents the remaining length of the candle (in inches) t hours after it was lit, then
f(t) = 15 - 1.1t