Algebra Answers

If the outliers are not included, what is the mean of the data set?
72,82,3,55,62,73,90,80,151,59,46,31
A.59
B.65
C.67
D.73

Albert is 7 years older than Bob. Four years ago Albert was twice as old as Bob. Find the age of Bob in five years’ time. (Assuming that age of Albert is x years now.)

present value 225500@ 8.75% computed continuously for 8 years and 145 days

find the values of k for which roots of the equation X2-8kx+2k=0 are equal.

There is 4 ml of grape flavoring to every 100 ml of 200 mg of Amoxicillin. The patient wants apple. You can ass 1/5 the amount of apple as you can grape. How much apple would you use to flavor 300 ml of amoxicillin?

the altitude CD to the hypotenuse AB of right triangle ABC seperates the hypotenuse into segments AD and DB. If AD = DB + 4 and CD = 12 centimeters, find DB, AD, and AB. Recall that the length of the altitude to the hypotenuse of a right triangle is the mean proportional between the lengths of the segments into which the hypotenuse is seperated, that is, AD/ CD = CD/ DB.

two minor league baseball players got a total of 308 hits. Washington has 14 more hits than Sanchez. Find the number of hits for each player

The number 53xy1 is divisible by 99. Find x + y.

After how many terms in the sequence 1, 10, 11, 100, 101 … will the number 100001
appear?

Calvin was making a trip to the University of Chicago. When he drove down, he took Lakeshore Drive, and averaged 35 miles per hour. On his way back, he took the I-94 highway, and averaged 50 miles per hour. Given that the return journey was 4 miles longer and took 6 minutes less, what is the length of the Lakeshore Drive route (in miles)?