This is simply testing if proportions are valid.
Guess-and-check, so the answer would be 40:48, since 5 x 8 = 40 and 6 x 8 = 48, where 8 is the set "constant" number
Answer:
b) x + 6
c) x - 9
d) 12x
e) x²
f) x + 1
g) x - 20
h) 3x + 5
i) x - 3
Step-by-step explanation:
Answer:
she must 1st save money for her to earn the 7%
Answer:
3y^2 - (y + 2) (y - 2) = 0
<=> 3y^2 - (y^2 - 4) = 0
<=> 2y^2 + 4 =0
<=>y^2 + 2 = 0
=> Because y^2 is always equal or larger than 0, there is no real solution.
Hope this helps!
:)