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:
the answer is O 2x (x2-1)(2x+ 3)
Answer:
140 mph
Step-by-step explanation:
Divide the total distance (700 miles), with the amount of time it took (5 hours) to get the unit rate traveled.
700/5 = 140/1
140 miles per hour is your answer
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3/8 because 8-5 is 3 and tour denominator because the number of goal students