X-9=12
x-9+9=12+9
You need to add 9 to each side of the equation.
x=21
B)
To go from fig. 1 to fig.2 you would dialate 1:3, or 3 times the size
c)
The opposite would be true since you are going the opposite direction. 3:1, 1/3 of the size
Hope this helps:)
To solve this question, I first converted one hour into minutes. (60 minutes)
Then I divided 4 1/2 into 60. As a decimal, the answer if 0.075. If you convert that into a lowest terms fraction, you get 3/40.
Answer:
10
Step-by-step explanation:
1.turn 7 1/2 into a mixed number: 15/2.
2:Follow the rule keep, switch flip.
3.Before=15/2 divided by 3/4
4.Now= 15/2 x 4/3 = 60/6
5.Simplify 60/6 to 10.
Answer:
c=256
Step-by-step explanation:
m²+32m+c=m²+32m+(32/2)²-(32/2)²+c
=m²+32m+16²-16²+c
=(m+16)²-256+c
for it to be a complete square -256+c=0
or c=256
