Answer:
Sorry I think the question is mistake.
Minus 10 both sides
x^2+3x-10=0
factor, find what 2 number multiply to get -10 and add to get 3
-5 and 2
(x-5)(x+2)=0
set equal to zero
x-5=0
x=5
x+2=0
x=-2
x=-2 and 5
Answer:
-2.1y + 12.9
Step-by-step explanation:
Answer:
9375 : 5625
Step-by-step explanation:
The total of the ratio units is 5+3=8, so each ratio unit stands for ...
15000/8 = 1875
Multiply each number of ratio units by this value to get your division:
5(1875) : 3(1875) = 9375 : 5625
