Answer:
42
Step-by-step explanation:
Note that as x increases by 2 from 2 to 4, y increases by 12 from 12 to 24. Thus, the slope of the line connecting the given points is m = rise / run = 12/2, or m = 6. Thus, this direct proportion is written as y = 6x.
If x = 7, y = 6(7) = 42
Answer:
Step-by-step explanation:
The given expression is .
The technique that can be used to factor this polynomial is the difference of two squares.
We rewrite the two expressions as;
Recall that;
Answer:
8
Step-by-step explanation:
solved for X
Lets look at the info we have:-
6 friends
Pay $90 and receive $42 in change.
Question:-
How much does each friend pay?
To answer this first we nee to find out how much they paed in total. lets do that 1st:-
90 - 42 = 48
They paid $48 for the gift.
CHECK OUR WORK:-
48 + 42 = 90
We were RIGHT!!
Now lets divide to find out how much each person paid:-
48 ÷ 6 = 8
Each friend pays $8.
CHECK OUR WORK:-
8 × 6 = 48
We were RIGHT!!
So, each friend pays $8 for the gift.
Hope I helped ya!! xD