9514 1404 393
Answer:
x = -8, 8
Step-by-step explanation:
The argument of the absolute value function can be positive or negative to give the same result.
|-8| = 8 ⇒ x = -8
|8| = 8 ⇒ x = 8
The possible solutions are x = -8, 8.
Suppose Alex has 3x stamps, Freddy has 5x stamps. After Freddy gives Alex 10 stamps, Alex has 3x+10 while Freddy has 5x-10
the new ratio is 7 to 9, so we have the equation: (3x+10)/(5x-10)=7/9
9(3x+10)=7(5x-10)
27x+90=35x-70
160=8x
x=20
So Alex has 3*20=60 stamps while Freddy has 5*20=100. Together they have 160
False, the range is just determined by minising the lowest from the highest, but the variables can still get you the same mean, which can lead to the same standard deviation
10m
The process of elimination
Volume = length * width ( aka base ) * height
2 feet = 24 inches.
24*15*8=2880 inches.
