Wednesday
May 22, 2013

Posts by lori

Total # Posts: 395

algebra
If a rocket traveled at 9*10^4 miles per hour . How long would it take to reach the moon from the planet.The moon is 6.3*10^5 miles from the planet it orbits.

Probability and Stats
A graduate class consists of six students. What is the probability that exactly three of them are born either March, June or November?

math
Okay, I got: v+6-c and c=c-6 for 120=(v-c)*20 AND: c=12-v and v=6/5-c for 120=(v+c)*10 Now what do I do?

math
A tugboat goes upstream 120 miles in 20 hours. The return trip downstream takes 10 hours. Find the speed of the tugboat without the current and the speed of the current.

Mat/116
In 2000,in country A, the average family net worth was \$340,000,and there were about 9.4*10^7 families. Calculate the total family net worth in Country A in 2000.

Math
The perimeter of a rectangle equals the sum of the length of its four sides.If the width of the rectangle if 7 inches and its perimeter is 48 inches, what is the length of the rectangle?

Math
f(a)=t, f(b)=s, f(c)=r, f(d)=t Write the function as a set of ordered pairs. Give the domain and range of F.

Math
Thank you!

Math
So then it is .095?

Math
I have to round the .0947 to the nearest thousandth so it would be .09?

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