Answer:
12
Step-by-step explanation:
5(x-1) +3x = 7(x + 1)
5 × x - 5×1 + 3x = 7 × x + 7 × 1
5x-5+3x=7x+7
8x-5=7x+7
8x-7x=7+5
x=12
hope it helps you!!
Its me again, please make sure to give me brainliest.
Answer:
0.25
Step-by-step explanation:
volume = 5 * 1 * pi = 15.7
So price per CI = 3.99 / 15.7 = 0.25414...
In the case that you presented, the ratio is
50/100 = (x1)^2 / (x2)^2
1/2 = (x1)^2 / (x2)^2
x1 : x2 = 1 : √2
^2 means squared
