X + y = 40.....multiply by -4
4x + 6y = 180
-------------------
-4x - 4y = -160 (result of multiplying by -4)
4x + 6y = 180
------------------add
2y = 20
y = 20/2
y = 10 <===
x = 30
A = 28000(0.9275)^5
a = 19219
$19,219 is the answer
Hoped this helped
Answer:
1.2
Step-by-step explanation:
Answer:
100
Step-by-step explanation:
(18 + 7) x (11 - 7)
25(11-7)
275-175
100
You didn't tell us what the choices are, so there's
nothing to pick from.
The most accurate estimation of (54 - 16) is 38 .
