He should be able to travel 322 miles. It would cost him $33.235 rounded up to $33.24.
We know that 1/2 and above rounds up and below 1/2 rounds down
3/10 is lower than 1/2
When you round down you get 20
Your answer is 20
Hope this helped!
The y-coordinate of the solution is 11.
Both equations have y isolated. We will use substitution for this system:
5x-9=x²-3x+7
We want to gather all of the variables on one side, so we will subtract 5x from each side:
5x-9-5x=x²-3x+7-5x
-9=x²-8x+7
We want the equation to be equal to 0 to solve it, so we will add 9 to both sides:
-9+9=x²-8x+7+9
0=x²-8x+16
This is easy to factor; factors of 16 that sum to -8 are -4 and -4:
0=(x-4)(x-4)
Since these are the same factor, we solve it to get our answer:
x-4=0
x-4+4=0+4
x=4
Substitute this into the first, linear, equation:
y=5(4)-9=20-9=11
Answer:
84
Step-by-step explanation:
p^2-r^2= 10^2-(-4)^2
100-16=84
First piece of information:
• y = 3x -4
Second piece of information:
• y = -2x + 7
Third piece of information:
• y = -2/3x + 1