Im not sure why you said ur wrong b/c i got the same answer
f(x) = -15+ 7
f(x) = -8
Answer:
19
Step-by-step explanation:
you begin with the innermost parentheses, which is 9-6
9-6=3
you then move to the brackets, which has the 2 and tour answer from before, 3. You multiply 2 and 3 and get 6. You then add the 6 plus the 13 on the outside.
13+6=19
Answer:
7536 
Step-by-step explanation:
Given that:
Rate of decreasing of radius = 12 km/sec
Height of cylinder is fixed at = 2.5 km
Radius of cylinder = 40 km
To find:
The rate of change of Volume of the cylinder?
Solution:
First of all, let us have a look at the formula for volume of a cylinder.

Where
is the radius and
is the height of cylinder.
As per question statement:
= 40 km (variable)
= 2.5 (constant)

As
are constant:

40 miles an hour and yeah..
Answer:
False
Step-by-step explanation:
a millisecond (ms or msec) is one thousandth of a second