Answer:
Teddy saved $
The new price of the tv is $
Step-by-step explanation:
To find out how much the new price of the tv is you need to do as follows:
We know that it was 15% off meaning it keeps 85% of its value. Knowing this we do
This gives us
To find out how much he saves, we find the difference:
Teddy saves:
Answer:
c
Step-by-step explanation:
Answer:
f(4) = 0
Step-by-step explanation:
If the value of x is between 0 and 5, then the f(x) will equal 0.
x = 4 is greater than 0 and less than 5, so f(4) = 0
Multiply the 1st equation by 2 and the 2nd by 5 to get:
10x-6y= -18
10x-25y=20
subtract equation 2 from equation 1 and the x's cancel:
10x-6y= -18
10x-25y=20
19y= -38
y= -2
substitute y= -2 into either of the original equations to get x= -3
(-3, -2)
