Answer:
x = 4/5
Step-by-step explanation:
Subtract 3/x+4, then multiply by x/5:
_____
If you meant 3/(x+9) = 7/(x+4), you need to write it with parentheses around the denominator. (In that case, x=-12.75.)
Answer:
2/13
Step-by-step explanation:
There are 13 marbles and if you draw a yellow one there are 2 yellow ones so the probability is 2/13.
Answer:
4.5 meters
Step-by-step explanation:
6*.75=4.5
We need to multiply the 6 by 3/4 (.75) because it would be the same if it were 2 times as long, the only difference is that the answer will be smaller.
Answer:
f(x)=4x+2
Step-by-step explanation:
f(x)=4x+2
..