Answer:
-0.8
Step-by-step explanation:
Answer:
Step-by-step explanation:
Given parameters:
Rate of walking by Lin = 13 miles in 5 hours
Rate of walking by Jada = 25 miles in 10 hours
Distance walked = 3.25 miles
Time of take off = 3:00
Solution:
The rate of their walking amounts to their speed;
Speed =
Speed of Lin = = 2.6 miles/hr
Speed of Jada = = 2.5 miles/hr
To find the time; make it the subject of formula and solve for each person;
Time =
Time of Lin = = 1.25hr = 48 minutes
Time of Jada = = 1.3hr = 47 minutes
Time for each to arrive;
Lin = 3.00 + 1.25hr = 4:25
Jada = 3.00 + 1.30hr = 4:30
Answer:
3 * 10^6 if the answer is 3.64 * 10^6, you really ought to argue the meaning of estimate with your instructor.
Step-by-step explanation:
This is a very valuable question. Put your calculator away when you answer it. Using a calculator is sort of cheating.
1.3 * 10^3 roughly is roughly 1 * 10^3
2.8*10^3 hours is roughly 3 * 10^3
Forget the powers for now and just work with the 1 and 3
1*3 equals 3.
10^3 * 10^3 = 10^6 when the base of two numbers is the same (10 in this case) then the powers are added.
10^(3 + 3) = 10^6
So the answer is roughly 3*10^6
Now you can take out your calculator and get the answer.
1.3*10^3 * 2.8 * 10^3 = 3.64 * 10 ^ 6
Notice that the estimate (done in my head) is close enough to tell you what the answer should be. On a test, that's a very handy skill.
Answer:
B) retirement
Step-by-step explanation:
Retirement is the only one that makes sense to me when you regularly save a small amount of money, and then letting the value grow over time.
Hope this helps!!