Average speed for round trip
=total distance/total time
=(200+200 miles)/(200/64+200/38 hours)
=400 miles / (3.125+5.263 hours)
=400 miles / 8.388 hours
= 47.686 miles/hour
The answer is B. 0
when it’s a straight horizontal line, the slope is always going to be zero. It’s only going to undefined if the line is vertical.
Answer:
Jamal is correct.
Step-by-step explanation:
3:4 is equivalent to 9:12, not 18:12.
We can see that for 3:4, the left side is less than the right, but for 18:12, left side is greater than the right, which immediately tells us the ratios are not equivalent.
Answer:
A
Step-by-step explanation:
Subtraction means "difference". The only choice there that has the word "difference" in it is choice A.
