Answer:
X+2.5
or X+7.5
or 5x+ 2.5
or 5x+7.5
Step-by-step explanation:
Answer:
Step-by-step explanation:
If this class contains these types of hair color THEN the class will have
3/10 kids with black hair
1/10 kids have red hair
2/5 kids have brown hair
1/5 kids have blonde hair
_________________________
In total the class has 20 kids
Answer:
C. The distance between New York City and Paris is greater by 165 miles.
If you subtract 3628-3463 you get 165 miles
Answer:
When 324 belts have been produced, the average cost is changing at -28 dollars for each additional belt.
Step-by-step explanation:
The cost of producing x belts is given by:

Find the rate at which average cost is changing when 324 belts have been produced.
This is
. So



So the correct answer is:
When 324 belts have been produced, the average cost is changing at -28 dollars for each additional belt.
Answer:
x ≠ 1.
Step-by-step explanation:
In mathematics, anything divided by 0 is null. It is not valid. And so, in this case, x - 1 must never equal 0, but it can be any number other than 0.
x - 1 = 0
x = 1
That means that the domain of the function is x ≠ 1.
Hope this helps!