I'm sure you asked this 24 hours ago, but it's A.
Answer:
Step-by-step explanation:
A = (4 , 6)
B = (7 , 4)
C= (5 , 1)
Answer:
x= 12 y= -3
Step-by-step explanation:
Rearrange.
x+y=9
x-y=15
Get x by itself, cancel out the y's and you'll get this:
2x=24
x= 12
Plug it in.
12+y=9
Get y.
y= -3
Check your work. I hope this helped.
Answer:
B. $15.00 per person
Step-by-step explanation:
Rate of change = change in total cost ÷ change in no of friends
Thus, we can use any two given pairs on the table.
Let's use, (2, $30.00) and (3, $45.00)
Rate of change =
Rate of change =
Rate of change =
Therefore, the rate of change is $15.00 per person.
B. is the correct answer.
Answer: 2¹/₃ hours per week
Step-by-step explanation:
Bryce practices his piano for 1/3 hours each day.
The number of days in a week is 7 days so to find out the number of hours he practices per week, multiply the number of hours practiced per day by 7.
= 1 /3 * 7
= 7 / 3
= 2¹/₃ hours per week