Answer:
A - x3- 2x2- 17x - 18
Step-by-step explanation:
(x+2)(x2−4x−9)
=(x+2)(x2+−4x+−9)
=(x)(x2)+(x)(−4x)+(x)(−9)+(2)(x2)+(2)(−4x)+(2)(−9)
=x3−4x2−9x+2x2−8x−18
=x3−2x2−17x−18
Answer:
a. θ = 6t
b. 1.048 minutes
c. y = 54sin(6t)
Step-by-step explanation:
diameter d = 108 foot
distance above the ground = 58 feet
a.) expression to represent number of radians
radian = 6 rad/min
θ = wt
w = 6
θ = 6t
t is in minutes
b.) we are to find the time period for one full revolution
time period = 2π/6
π = 22/7
= 1.048 minutes
c. Expression showing Justins height above the ground
y = rsinθ -----(1)
θ = wt = 6t
we find the radius r
diameter = 2 * radius
108 = 2r
r = 108/2
= 54 foot
we put these values in the equation 1 above
y = 54sin(6t)
Answer:
40
Step-by-step explanation:
9x8 = 72
5x8 = 40
72:40 = 9:5
Hope that helps
Answer:
Convex hexagon
Step-by-step explanation:
Its (2+h)+3 that's the answer