Branches of Math
Recent Math Questions
The number of square units in the area of circle P is equal to the number of units in the circumference of circle P. Assuming that the diameter of the circle must be greater than P, what is the radius of circle P ? a. 2 b. 2 pi c. 4 d. 4 pi e. cannot be determined from the ...
Sunday, December 8, 2013 at 2:20pm
A circle of area 25 pi is graphed in the coordinate plane. If its center has coordinates (8,0), which of the following points MUST lie on the circumference of the circle? a. (0,0) b. (0,5) c. (16,0) d. (3,0) e. (0,8) please answer and explain
Sunday, December 8, 2013 at 1:30pm
What number must be added to make a perfect square trinomial x^2+(8/5)x
Sunday, December 8, 2013 at 12:55pm
Each swimmer is supposed to swim 100m in one stroke. Given "4 by 100," is one swimmer going to swim two laps? Where is the fourth swimmer? What method are you using to break "up the distance of 400 meters by age"? The youngest gets to swim 200 meters? Each ...
Sunday, December 8, 2013 at 12:26pm
I didn't see any answers. Please only post once. Repeating posts or asking for help in another post will not get a quicker response. In addition, it wastes our time looking over reposts that have already been answered in another post. Thank you.
Sunday, December 8, 2013 at 11:34am
1.64g of a mixture of cac03 and mgc03 was dissolved in 50ml of 0.8M hcl. The excess of acid required 16ml of 0.25M naoh for neutralization. Calculate the percentage of cac03 and mgc03 in the sample The answer 52.02% mgc03 caco 47.98% Bob helps me step by step Thank you
Sunday, December 8, 2013 at 11:13am
100 + 5 Equilateral means equal sides.
Sunday, December 8, 2013 at 11:00am
Buisness Math (?)
No matrices posted.
Sunday, December 8, 2013 at 9:50am
assuming you want a polynomial of lowest degree, that would be a cubic y=ax^3+bx^2+cx+d (1,1): a+b+c+d=1 (0,1): d=1 (2,5): 8a+4b+2c+d=5 (-1,-5): -a+b-c+d=-5 solve the system to get (and avoiding fractions) 3y = 5x^3-9x^2+4x+3
Sunday, December 8, 2013 at 5:27am
False I = PRT
Sunday, December 8, 2013 at 1:53am
Business Math and Statistics
1000(1+.02)^4 = 1082.43
Sunday, December 8, 2013 at 1:33am
I drew the diagram with the person boarding at -120°. As the wheel turns counter-clockwise, x starts increasing from 0°. Depending on how you set up your diagram, maybe +120° is appropriate.
Saturday, December 7, 2013 at 10:53pm
assuming a typo and you meant 683.5%, that is 6.835
Saturday, December 7, 2013 at 10:37pm
Saturday, December 7, 2013 at 5:56am