Answer:
x=6/7 and y=18/7
Step-by-step explanation:
If y = 3x and 2x + 4y = 12,
then substitute the value of y with 3x
2x + 4(3x) = 12
2x+12x=12
14x=12
x=12/14=6/7
y=3x=3*(6/7)=18/7
Lets look at the info we have:-
1 pound of cheese = $6.75
2.6 pounds of cheese
MULTIPLY TO FIND D ANSWER:-
$6.75 × 2.6 = $17.55
2.6 pounds of cheese cost $17.55.
CHECK OUR WORK:-
17.55 ÷ 2.6 = 6.75
we were RIGHT!!
So, 2.6 pounds of cheese costs $17.55.
Hope I helped ya!! xDc
Answer:
Step-by-step explanation:
−5x - 3y = 21
+ 5x + 5x
__________
I am joyous to assist you anytime.
Answer:
d. 2
Step-by-step explanation:
The average rate of change is found from ...
... (f(x2) -f(x1))/(x2 -x1) = (5 - 3)/(2 -1) = 2/1 = 2
