Answer:
The hidden variable is age.
Step-by-step explanation:
That does not prove that larger shoes cause more studying math or vice versa.
The children with larger shoes are most probably older so they would have done more years of studying than the younger ones.
The hidden variable is the age of the child.
Solve for y, add 8x to the other side then when y is isolated divide both sides of the question by two and that should give you your final equation and you should have the slope and yint
Answer:
6 chores
Step-by-step explanation:
ok so,
4 hours=240minutes
2/3of an hour= 60×2/3
=40 minutes
so since one chore needs 40 minutes, then:
40/240= 6
so in 240 minutes/4 hours, Spencer can do 6 chores.
Answer:
y=5x+350
If Elena spent a total of $1000, she made 130 shirts.
Step-by-step explanation:
Let x be the number of T-shirts. Let y be the amount of money spent.
1000=5x+350
5x=650
x=130
450 * 0.3 = 135 = money taken off the original price
Sale price = $315
