Answer:
Step-by-step explanation:
7x + 2x =90 (being perpendicular)
9x =90
x =90/9
x =10
substiute the value of x
7x
=7*10
=70
2x
=2*10
=20
Answer:
33.75
Step-by-step explanation:
45x0.75=33.75
2. We have 25+15+10=50 minutes total work out, 25 lifting, so a ratio of
25:50 which is simplified to
Answer: 1:2
3.
