Answer:
Yes
Step-by-step explanation:
<span>A proportion is two ratios that have been set equal to each other;
a proportion is an equation that can be solved.
When I say that a proportion is two ratios that are equal to each other, I mean this in the sense of two fractions being equal to each other.
For instance, 5/10 equals 1/2.</span>
Answer:
A
Step-by-step explanation:
replace y with 5 giving you 5 = x^2 - 4 then solve giving you x^2 = 9 and then square the 9 giving you x = 3
Answer:
4
-20
-12
Step-by-step explanation:
g(4)
= 4(4)-12
= 16-12
= 4
g(-2)
=4(-2)-12
=-8-12
=-20
g(0)
=4(0)-12
=0-12
=-12
Answer:
The weight of the zinc in the metal bar was 50% of the weight of the metal bar .
Step-by-step explanation:
Weight of the metal bar ,M= 36 g
Weight of the zinc in the metal bar , m= 18 g
Percentage of zinc in the metal bar :


The weight of the zinc in the metal bar was 50% of the weight of the metal bar .