Answer:
This table represents a function
y is 1.3 times x
y=1.3x
Step-by-step explanation:
Answer:
The solution is (2, 1).
All other ordered pairs do not work.
Step-by-step explanation:
-2x + 5y = 1
5x - 3y = 7
-10x + 25y = 5
10x - 6y = 14
19y = 19
y = 1
5x - 3(1) = 7
5x = 10
x = 2
(2, 1)
The solution is (2, 1).
All other ordered pairs do not work.
Maria = x
Tom = y
Use substitution
x+y=30
2y=x
2y+y=30
3y=30
y=10
Tom is 10 years old.
x+y=30
x+10=30
x=20
Maria is 20 years old.
Answer:
90 points
Step-by-step explanation:
10 times 11 is 110
4 times 5 is 20
110 minus 20 is 90
540/3=180
Ashley ran at 180 metres per minute.
480/2= 240
Grace ran at 240 metres per minute.
