Answer:
x=3
y=1
Step-by-step explanation:
First, get x and y on the left in the lower equation. -2x+10y=4. Then solve using a calculator. Select (apps), PlySmlt2, Simultaneous EQN Solver, and enter your euqations in.
Answer:
8:3 is the ratio of kids to adults
32 kids, so there are 12 adults
Answer:
yes, no
Step-by-step explanation:
Answer:
380ft
Step-by-step explanation:
Assuming the balloon rises 525ft from sea level (0ft), all we need to do is subtract both numbers to find the new height.
525 - 145 = 380ft
There could be many different scenarios though because if the question provides the height of land off sea level, you would have to take that into account as well.
Best of Luck!
Answer:
11.0344828%
Step-by-step explanation:
145000 - 129000 = 16000.
16000/145000 = 16/145 = 0.110344828
Therefore there was a 11.0344828% decrease