Find the constant of variation for the relation and use it to write an equation for the statement. Then solve the equatior If y varies inversely as the square ofx, and y
? when x = 1, find y when x = 3
4
a
1
7
c.
ya
3x23 (3) -
3)
1
27
Pa
P(3) = 7
4x
36
b.
b.
4
3
d.
d
y =
:y(3) -
= -
y = y(3)
x2 (3) -
عم | أما
3
72
63
Please select the best answer from the choices provided
Ο Α
OB

The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.

An automobile assembly line operation has a scheduled mean completion time, μ, of 12 minutes. the standard deviation of completion times is 1.6 minutes. it is claimed that, under new management, the mean completion time has decreased. to test this claim, a random sample of 33 completion times under new management was taken. the sample had a mean of 11.2 minutes. assume that the population is normally distributed. can we support, at the 0.05 level of significance, the claim that the mean completion time has decreased under new management? assume that the standard deviation of completion times has not changed.

Adele is five years older than timothy. in three years, timothy will be 2/3 of adele’s age. what is adele‘s current age?