Answer:
21.9
Step-by-step explanation:
Ratios can be treated like fractions...so 2 to 6 can be written as 2/6....this reduces to 1/3.....so another ratio is 1 to 3
Answer:
it is point A
Step-by-step explanation:
because it is in the centre of the ghraph and that's the origin
Answer: 10d-2
Step-by-step explanation:
Answer:
74/15
Step-by-step explanation:
x - 3 = 
to remove fractions multiply each side of equation by 40
3/4x(40) - 3 = 7/10(40)
120/4x - 120 = 280/10
simplify:
30x - 120 = 28
add 120 to each side to get:
30x = 148
x = 148/30 or 74/15 simplified