Answer:
A=616cm²
Step-by-step explanation:
The question says to use
for pi, now that we know that we proceed like normal and do the formula like this.
Yes, since it's the amount per ONE song.
Step 1. Multiply first equation with -3 and the second one with 2. You'll get:
Step 2. Add both equations together. You'll get:
, which gives x = -2
Step 3. Replace x = -2 in the first equation and calculate y.
The solution is: x=-2, y=5
Answer:
math stinks im sorry use math papa algabraic calculator
Step-by-step explanation:
Answer:
x = 5 and y = 3
Step-by-step explanation
y crosses out so you are left with
4x = 20 (divide by 4)
x = 5
plug x into either equation
5 + y = 8 (subtract 5)
y = 3