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The mean can be found by adding the two numbers and dividing by 2
let the second number be y
(x + y)/2 = 1/2x + 1
solve for y
multiply each side by 2
x + y = 2(1/2x + 1)
distribute
x + y = x + 2
subtract x on both sides
y = 2
ANSWER: the second number is 2
Answer:
B)113.04 cm^2
Step-by-step explanation:
Answer:
9.57
Step-by-step explanation:
900 / 100 is 9 but then you just have to add the 57 with a decimal at the end