Answer:
SA : V = 4πr² : 4/3πr³ = 3:r = 3:2 = 1.5
I did this class before and i still have it wrote down
Answer:
You could use a graphing calculator I just used Desmos. Origin is (0, 0). Rotate 90 degrees about the origin.
I used triangles
The rotated point would be at (1, 2)
ANSWER: the question mark = 1
Answer: No. Choosing two dimes are dependent events. The probability of choosing the first dime is 1/4 and the probability of choosing the second dime is 1/7. The probability that both coins are dimes is (1/4)(1/7) = 1/28.
Step-by-step explanation:
Answer:
60km
Step-by-step explanation:
They travel 30km in the first hour, then turn back and travel the same 30km backwards.
Answer:

Step-by-step explanation:
In the situation of this problem, we have:
- The initial college's tuition per hour is

- Then, we know that the price increases by 5% each year. This means that its value increases by
each year, which is equivalent to
each year
So, after 1 year, the price will be

After 2 year, the price will be

So after n years, the price will be

And by substituting the value of p0, we find the final expression:

where n is the number of years.