≈9.38
13² - 9² = x²
189 - 81 = 88
√88 = x
Do 34 1/2 plus 2 1/2 times 10then do 11/2 into the mixed number 1 1/2 times 6
1 hundredth is equal to .01, so .01 * 128 = 1.28
Answer: The graph of the two equations is "A coordinate plane is shown with two lines graphed. y = −x − 1
Step-by-step explanation:
Answer:
8
Step-by-step explanation:
average is calculated as
average = 
= 13 ( multiply both sides by 2 )
sum of 2 eldest = 26
Then for the 4 children
average =
=
= 8