Answer:
17 cm
Step-by-step explanation:
The volume formula is V =
blh
Plug in the numbers we know
1657.5 =
(15)(l)(13)
1657.5 = 97.5(l)
17 = l
Answer:
They show as intersections with the x-axis
Step-by-step explanation:
For example, the quadratic y = x² - 1 has roots x = -1 and x = 1.
They show on the graph as intersections of the parabola with the x axis at x = -1 and x = 1.
x equals negative 8 that's it
Answer:
-38
Step-by-step explanation:
You replace the x with 5.
turns it into -3 (5)^2+9(5)-8
-3(25)+45-8
-75+45=-30-8=-38