20 : 0.75 = 40 : 1.5 = 80 : 3
6x
Step-by-step explanation:
1.2(4x-1)=8x-2=6x
Answer:
36
Step-by-step explanation:
125% of what number equals 45? Answer: 36
First make x the subject of f(x) = 2x - 10:-
2x = f(x) + 10
x = 1/2 f(x) + 5
mow replace x by hx) and f(x) by x:-
h(x )= 1/2 x + 5
Step-by-step explanation:
because angle A and C are similar, so
9x-8=28
9x=36
x=4