Answer:
492.99
Step-by-step explanation: x = amount invested at 12%
y = amount invested at 9%
---
x + y = 20287
0.12x = 0.09y + 492.99
---
put the system of linear equations into standard form
---
x + y = 20287
0.12x - 0.09y = 492.99
Yes, (3, 2) is a solution to y = 2x - 4. (:
Answer:
52-13 = 39
Step-by-step explanation:
This is simple, next time use a calculator and calculate yourself
I got 784 inches cubed, I cut the figure into two, the first one was 8×4×14=448, the second was 8×3×14=336,
therefore 448+336=784
A ratio is is statement of how two nummber's compare
