Answer:
28
Step-by-step explanation:
all adds up to 180 degrees
so 4x+3+2x+9=180
=6x+12=180
6x=168
x=28
Step-by-step explanation:
the difference is very ez if you know about absaloute vaule so the difference is that 4 is greater either way if it was a negative or positive
oki did somthing wrong the answer is negative 2 brainlyest plz
Answer:
x^2 + 3x - 4
Step-by-step explanation:
solved using long division
Add the mileage together to find total miles.
Add the hours together.
Divide total miles by total hours.
305 + 190 = 495 miles
5 + 4 = 9 hours.
495 / 9 = 55 miles per hour.
The average speed was 55 miles per hour.
Im assuming your supposed to find like terms soo... as my final answer i got 11m-3n-13