Answer:
130 minutes
Step-by-step explanation:
Expression:
y = 1.80x + 30
264 = 1.80x + 30
234 = 1.8x
324/1.8 = x
130 = x
Ya Boy danced for 2 hours
Let Sister's age now = s
So Larry is now s + 8
In THREE Years Sister = s + 3
Larry = {s + 8} + 3
But We are told that he will be TWICE as old as Sister is NOW!!!
So s + 11 = {2s}
Solve s = 11
So Sister is ELEVEN Years old and Larry is NINETEEN Years old.
-4(x+3)=8
Using the distributive property,
-4*x -4*(3) = 8
-4x+(-12) = 8
-4x = 8+12 = 20
x = 20/(-4) = -5
Step-by-step explanation:
3,500×4×2/100= 280/100 = $2.80
Answer:
972π in³
Step-by-step explanation:
The volume (V) of a sphere is calculated as
V = 
πr³ ← r is the radius
Here r = 9, thus
V = π × 9³ = π × 729 ( divide 3 and 729 by 3 )
= 4π × 243
= 972π in³
