Answer:
Step-by-step explanation:
The given equation is
10 = c/3 - 4 + 5/6
First step is to cross multiply the left hand side of the equation and the right hand side of the equation by 3. It becomes
10×3 = c/3 × 3 - 4×3 + 5/6×3
30 = c - 12 + 15/6
Second step is to cross multiply the left hand side of the equation and the right hand side of the equation by 6. It becomes
30×6 = c×6 - 12×6 + 15/6 ×6
180 = 6c - 72 + 15
180 = 6c - 57
Add 57 to both sides. It becomes
180 + 57 = 6c - 57 + 57
237 = 6c
c = 237/6 = 39.5
Answer:
width: 7 cm
length: 56 cm
Step-by-step explanation:
Let:
x=width
8x=length
P=2l+2w
126=2x + 2(8x)
126=2x+16x
18x=126
x=7
width: 7 cm
length: 56 cm
hope this helps!!
Answer:
y=7.5x+0 you don't have a b value because your rate starts at 0.
Let's find the remaining distance they must travel.
Total distance-distance covered
150-60=90 mi
Now, we need to find the average speed they need to travel per hour to reach the destination in 2.5 (2 1/2) hours.
90 mi/2.5 h=36 mi/h
They must travel at an average speed of 36mph to reach their destination in 2 1/2 hours.
Check:
60+36(2.5)
=120 mi