Answer:
11
Step-by-step explanation:
The mean is calculated as
mean =
let the third number be x , then
= 15 ( multiply both sides by 3 to clear the fraction )
34 + x = 45 ( subtract 34 from both sides )
x = 11 ← third number
She has to score at least 86 on her fifth test.
Further explanation:
We will use the average formula to find the fifth value.
Given
We have to find x5
The formula for average is:
She has to score at least 86 on her fifth test.
Keywords: Average, Word Problems
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Answer:
its not
Step-by-step explanation:
if you do the division euclidiene the rest will be 5 not zero
f(x)=(x-2)(6x+5)+5
Answer:
They can make a right traingle because both sides of the equation are equal these lengths do form a right triangle.