Step-by-step explanation:
3y + 10.5 = 6.5 + 2.5y
3y - 2.5y = 6.5 - 10.5
0.5y = - 4
y = 4 ÷ 0.5
y = 2
Answer:
Move the center of circle A to (1,7), then multiply its radius by 3.
Step-by-step explanation:
Moving the circles to the same center would make them concentric. Then, by multiplying the radius of Circle A by 3, the circle is dilated to the exact size of circle B, since its radius is 9. This shows that Circle B is proportional to Circle A, thus they are similar.
First distributive property to get 7x+10-26=144, now add common like terms to get 7x-16=144 now add 16 to both sides to get 7x=160, now divide by 7 to leave x by itself and get x=22.86 or x=160/7