No, the slope would have to be the opposite reciprocal. If the slope on the second equation would have been -1/4, it would be perpendicular.
To grandparents house :
140/56 = 2.5 hours
Return trip :
140/50 = 2.8 hours
Total time : 2.8+2.5 = 5.3 hours
Answer:
C
Step-by-step explanation:
You plug it into a calculator and it gives you that number. You have a calculator option on the left hand side that you can figure this out in as well.
Well lets look at this
First figure out: How many milliliters are in a liter: 1000
Ok now you need half a liter so how would you figure out how many milliliters that is?
Divide by 2: 1000 ÷ 2 = 500
So 500 milliliters are needed for half a liter
Answer:
x
=
−
500
b
−
50
a
+
R
±
√
250000
b
2
+
2500
a
2
−
100
a
R
+
1000
b
R
+
R
2
+
50000
a
b
2
a
b
Step-by-step explanation: