Answer:
(-6,8)
Step-by-step explanation:
2x + 9y = 60
-9x + y = 62 --> y = 9x + 62 --> 2x + 9(9x + 62) = 60 -->
2x+ 81x + 558 = 60 -->
83x + 558 = 60 -->
83x = -498 -->
x = -6 -->
y = 9(-6) + 62 -->
y = 8
Answer:
31.4 inches
Step-by-step explanation:
36+144 = 180
sqrt(180) = 13.41
6 + 12 + 13.4
Answer:
$288
Step-by-step explanation:
If each square yard of carpet is $36, you just have to multiply 8 by that to get the total.
It is 2 4/5, 2 4/5 is 2.8, 4/5 is greater than 3/4
Answer:
$1151.4
Step-by-step explanation:
let americans spend $a in 2014
(1+4.8%)a=1180
104.8%a=1180
a=1151.4 (rounded off to the nearest tenths)
