Answer: Sample size required is 35
Step-by-step explanation:
The attachment below shows the calculations.
Factor
(x+7)(x-2)
Proof
7-2=5
7*-2=-14
Zeros
x+7=0
x=-7
x-2=0
x=2
Final answer: C
Answer:
x = 13 1/2
Step-by-step explanation:
16x -12x+0=54
combine like terms
4x + 0 = 54
4x = 54
divide each side by 4
4x/4 = 54 /4
x = 54/4
x = 13 2/4
x = 13 1/2
hey its -100 percent. the negative to show decrease.
Answer:
B.
Step-by-step explanation:
First your going to need to find 6% of 450 which is 27
then you need to find 6% of 250 which is 15 and you have two 250's so you have two 15's
next add them all up and you got yourself 57
btw sorry my explanation sucks
