Solving proportions is simply a matter of stating the ratios as fractions, setting the two fractions equal to each other, cross-multiplying, and solving the resulting equation. You'll probably start out by just solving proportions, like this: Find the unknown value in the proportion: 2 : x = 3 : 9.
Assuming x is really x^3;
∛729 = 9
The differences of cube rule states: x³-y³= (x-y)(x²+xy+y²)
(x)³-(9)³=(x-9)(x²+9x+9²)
=(x-9)(x²+9x+81)
Hope I helped :)
Answer:
Are there drop down menus?
Step-by-step explanation:
There are a total 40 cars
and there is x yellow cars
and there are nine times as much white cars (9x white cars) lol
so x+9x=40
simplify 10x=40
divide both sides by ten 10x/10=40/10
x=4
we are looking for the number of WHITE cars sooo we multiply by 9-
9x=36
how is this "hardddd" no offence*
sorry im a mean person
