Answer:
each student gets 11 pencils
Step-by-step explanation: I searched it up
Answer:
d. x= -3
Step-by-step explanation:
3(x+4) = 3
x+4= 3-3
x+4= 1
x= 1-4
x=-3
Answer:
Step-by-step explanation:
Let x be the price increase.
<u>Then the current price is: </u>
<u>Then the number of passengers is:</u>
<u>Then the revenue: </u>
- Revenue = Price * Number of Passengers
- R = (50 + x)(8000 − 100x) =
- - 100x² + 3000x+ 400000
This is a quadratic relationship. Maximum point is obtained at vertex.
<u>Vertex is determined by x = - b/2a, find the value of x:</u>
- x = - 3000 / (-2*100) = 15
<u>The maximum revenue is:</u>
- R = (50 + 15)(8000 − 100 * 15) = 424500
Answer:
(-36 x^3)/25
Step-by-step explanation:
Simplify the following:
(-4×9 x^2 x)/(5×5)
Combine powers. (9 x (-4) x^2)/(5×5) = (9 x^(2 + 1) 4 (-1))/(5×5):
-(9×4 x^(2 + 1))/(5×5)
2 + 1 = 3:
((-9×4 x^3)/5)/5
9 (-4) = -36:
(-36 x^3)/(5×5)
5×5 = 25:
Answer: (-36 x^3)/25