Answer:
2960
Step-by-step explanation:
360 x 20 = 7200
212 x 20 = 4240
7200-4240 = 2960
Answer:
the answer is 4x2
Step-by-step explanation:
p(X)-q(X) = x4 + 2x2 + 1 - ( x4 - 2x2 + 1 )
p(X)-q(X) = x4 + 2x2 + 1 - x4 + 2x2 - 1 )
p(X)-q(X) = 2x2 + 2x2
p(X)-q(X) = 4x2
The approximate number for pi is 3.14
Answer:
The minimum cost is $17.30c
Step-by-step explanation:
Given
--- Volume
--- cost of wall paint
---cost of ceiling paint
Required
Minimum cost of paint
The volume is calculated as:
Substitute 288 for V
Make z the subject
The surface area is calculated as:
Because xy represent the dimension of the ceiling and the opposite of the ceiling (the floor) will not be painted. Hence, it does not require a coefficient of 2
The cost is:
Substitute
Differentiate w.r.t x and y
By comparison:
Set them equal to 0
Substitute x for y
Cross multiply
Take the cube root of both sides
Substitute 6 for x and for y in
--- approximated
Answer:
The answer is A B E
Step-by-step explanation: