Pick 100 km for D...
<span>This would yield T=100 minutes </span>
<span>Using the question stem we calculate 80 km were traveled in 1h (or 60 minutes).... </span>
<span>This leaves us with 40 minutes (2/3 of an hour) to travel 20km..... </span>
<span>R*T=D </span>
<span>R*2/3=20 </span>
<span>R=30 </span>
<span>Answer A....</span>
Answer:
Part a would be "C" and part b would be "C" I believe
Step-by-step explanation:
(a):it is a constant speed, then decline, then back to constant.
(b):constant then he gets slower.
Answer:
z² = x² + y²
Step-by-step explanation:
Given
z² - y² = x² ( isolate z² by adding y² to both sides )
z² = x² + y²
anshan has snndfnm gn kmfkejtkdr
Answer:
x=-1
Step-by-step explanation:
