Please I don't understand help me
1 answer:
Answer:
6.2 seconds
Step-by-step explanation:
To translate into math, the question is asking you "for what approximate t value does h = 0?" In order to solve, you can plug in 0 for h and solve for t.
0 = -16t^2 + 620
-620 = -16t^2
620 = 16t^2
38.75 = t^2
= t
6.2 ~~ t (rounding to the nearest tenth)
Don't forget your units!
Let me know if you need anything explained in more detail; I'm happy to help.
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Answer:
The greater percent of cell phone ownership in Japan than the U.S was <u>13.7%</u>.
Step-by-step explanation:
Given:
About 543 out of every 1,000 people in United States owned a cell phone in 2003.
In japan,the are was 68 for every 100 people.
Now, to find the greater percent of cell phone ownership in Japan than the U.S.
So, to get the percent of people owned cell phone in United States:
Now, to get the percent of people owned cell phone in Japan:
So, to get the percent greater of cell phone ownership in Japan than the U.S we subtract the percent of people owned cell phone in United States from the percent of people owned cell phone in Japan:
Therefore, the greater percent of cell phone ownership in Japan than the U.S was 13.7%.