Let C be the amount of compost
T be the amount of topsoil
Each compost cost = $25
Cost of C compost = 25C
Each topsoil cost = $15
Cost of T topsoil = 15T
Amount of compost + amount of topsoil = 10
C + T = 10 -------> Equation 1
cost of C compost + cost of T topsoil = 180
25C + 15T = 180 --------> equation 2
Solve the first equation for C
C + T = 10
C = 10 - T
Now plug it in second equation
25C + 15T = 180
25 ( 10 - T) +15T = 180
250 - 25T + 15T = 180 (combine like terms)
250 - 10 T = 180 (Subtract 250 on both sides)
-10T = 180 - 250
-10T = -70 ( divide by -10 on both sides)
T = 7
She purchased 7 cubic yards of topsoil .
Answer:
1/5
Step-by-step explanation:
......................
Answer: 3491.91 radians
Step-by-step explanation:
The total distance in inches traveled by car = 63,360 inches (1 mile)
Total Revolution made by tire through traveling =
We know 1 revolution angle made by tire = 2π radian (360 degrees/1 revolution of unit circle)
In 
,
the revolution angle made by the tire =
radian
Answer:
Solution given:
radius[r]=2in
π=3.14
we have
volume of sphere=
=
=33.5in³is your answer.
Answer:1/(-2x+3)
Step-by-step explanation:
The inverse is 1/(-2x+3)
