Answer:
Step-by-step explanation:
The last three are irrational but I'm not sure about the first four.
17/10
or 1 7/10
i did it on my calculator lol
Answer:
fourth number is 9
Step-by-step explanation:
let 'x' equal the fourth number
(5+7+7+x)/4 = 7
cross-multiply to get:
19 + x = 28
x = 9
−3/4+(1/10÷2/5)
parenthesis first
1/10 divided by 2/5
copy dot flip
1/10 * 5/2
5/20
1/4
−3/4+(1/10÷2/5)
-3/4 + 1/4
-2/4
divide top and bottom by 2
-1/2
Answer:A≈153.94in²
Step-by-step explanation:Hope this was helpful