Answer:
34.5
Step-by-step explanation:
divide 145 by 4.2
V = lwh
To solve for w we need to isolate it. The opposite operation of multiplication is division, so we need to divide both sides by lh.
v/lh = lwh/lh
v/lh = w
Hope this helped!
Answer:
20 km/h
Step-by-step explanation:
the total time is 0.5 hours as the cyclist travels for 30 minutes
the formula for speed is distance travelled divided by time taken which gives us 20 km/hr
Answer:
x=7x
y=1x
Step-by-step explanation:
4 * x=4x +3=7x
-2 * x =-2x+1=1x
Answer:
r=7
Step-by-step explanation:
5r-7=2r+14
add sevento both sides
5r=2r+21
Subtract 2r from both sides.
3r=21
divide both sides by 3
r=7