3) 18v2−15v−18
=3(6v2−5v−6)
=3(2v−3)(3v+2)
Answer:
C
Step-by-step explanation:
It is C because I can plot all those points and they are still on the blue line. If you don't believe me, plug them in to y=-3/2x+2, (-4,8 plugged in would look like this 8=-3/2(-4)+2 just plug the x and y coordinates in) and they will be correct.
Hope this helps plz hit the crown:D
Answer:
2 large trucks = 14 tons of cargo
1 small truck = 3½ tons of cargo
Equation: x + 2x = 10½
Step-by-step explanation:
8 trucks - 4 large trucks, 4 small trucks
small truck = x
large truck = 2x
First, you need to find out how much cargo 1 large truck and 1 small truck can hold.
x + 2x = 10½
3x = 21/2
3x = 10.5
x = 3.5 or 3½
1 small truck can hold 3½ tons of cargo, and 1 large truck can hold 7 tons of cargo.
Next, you need to substitute and find how much cargo 4 large trucks can hold. <em>(Remember: 1 large truck = 7 tons of cargo)</em>
2x
= 2(7)
= 14 tons of cargo
4 large trucks can hold 14 tons of cargo.
Finally, you know that one small truck equals 3½ tons of cargo.
Vco = 1/3×πr2h
Vcy = Vco --> πr^2×h = 1/3πR^2×h
h's cancel, as well as π's
r^2 = 1/3R^2 --> R^2 = 3r^2 -->
SR (R^2) = SR (3r^2)
R = SR(3)×r
