Use the fact that a triangle with angles 30-60-90 has segments which are 1:sqrt(3):2 I get that part but I'm not sure where 12 fits in the 1:sqrt3:2 so what is one side of the equailateral triangle? I'm still having trouble because I get the wrong answer. 12:12sqrt3:24 so the longest part is 24 whi...

thanks!

Re: Rate problem

Can some explain this? Steve gets on the elevator at the 11th floor of a building and rides up at a rate of 57 floors per minute. At the same time Joyce gets on an elevator on the 51st floor of the same building and rides down at a rate of 63 floor per minute. If they continue traveling at these ra...

Rate problem

Can some explain this? Steve gets on the elevator at the 11th floor of a building and rides up at a rate of 57 floors per minute. At the same time Joyce gets on an elevator on the 51st floor of the same building and rides down at a rate of 63 floor per minute. If they continue traveling at these rat...

Can someone explain this please?

During a one-day sale, a store sold each sweater of a certain type for $30 more than the store's cost to purchase each sweater. How many sweater were sold during the sale? 1) During the sale, the total revenue from the sale of these sweaters was $270. 2) During the sale, the store sold each of these...

Can someone help solve this problem?

For every positive even integer n, the function h(n) is defined to be the product of all the even integers from 2 to n, inclusive. If p is the smallest prime factor of h(100)+1, then p is

Between 2 and 10
Between 10 and 20
Between 20 and 30
Between 30 and 40
Greater than 40

Help with this problem please

(5^21)(4^11)=2(10^N) what is the value of N

choices

11
21
22
23
32

I have no clue how to start this can some one give me a break down?

Looks like all the numbers have common with 20 but I don't know how to conver them.