Answer:
3. 2/10 4/20 3/15
4. 12/1 48/4 36/3
Step-by-step explanation:
Quadratic equations CAN be used to solve word problems so the answer to your question is false
Answer:
from the question, the expression for the total amount of money from tickets sales will be T=4 × the number of children
Answer: y=1/3x^2-8/3x+10/3
Step-by-step explanation:
Answer:
x=3, z=-1, y=6
Step-by-step explanation:
you need to make the coefficients of each variable equal to each other then subtract 2 equations.
this one: multiply -4 in 1st
4x+4y+4z=32
-4x+4y+5z=7
_____________
8x+0-z=25
we have 2 equations with 2 variables now
2x+2z=4
8x-z=25