-6.2 plus -4.8 is -11. add the 3.8 to get -7.2
-4.8 plus 3.8 is -1
-1 plus -6.2 is -7.2
-7.2=-7.2
Answer:
90 cubic inches
Step-by-step explanation:
V = 1/3 · area of base · height
V = 1/3 · 18 · 15
V = 6 · 15
V = 90
Answer:
The radius of the balloon is increasing at a rate of 4 feet per minute.
Step-by-step explanation:
We are given the following in the question:
Volume of sphere is given by
where r is the radius of the balloon.
Instant radius, r = 2 ft
Rate of change of volume =
Putting values, we get,
Thus, the radius of the balloon is increasing at a rate of 4 feet per minute.
The people will there need to be in order for the second company to be less expensive in 1st restaurant.
Always assume the unknowns are variables when attempting to find them, and then construct the equation using the parameters specified in the question.
Admission fee for 1st restaurant = $1
Charge for 1st restaurant per person = $7
Admission fee for 2nd restaurant = $15
The number of employees required for 2nd restaurant need to have in order to be less expensive = x
Total amount needed for 1st restaurant = $1 + $7 = $8
To make the 2nd restaurant less expensive =
As the total amount of 1st restaurant is $8 and the admission fee 2nd restaurant itself is $15 2nd restaurant is more expensive than the 1st one.
To learn more about Word problems related to arithmetic operation from the link:
brainly.com/question/24464054
#SPJ9
