a chemist has 12% hydrochloric acid+24% hydrochloric. How many of each should be 16 liters of 21%hydrochloric?
alfred m. landon
Abe and Sal left at the same time. They traveled in opposite directions. Sal traveled 50mph faster than Abe. After four hours, they were 400 miles apart. Find Abe's speed.
Point M is the midpoint of the line equation ABMC. Which of the following is not true? (1)AM = MC (2) AB < MC (3) AM > BC or (4) BM < MC
Please look at the following simplification of an algebraic expression. Which line contains the mistake and why? Line 1: (2x + 6x) + 4y + 3x - 2xy Line 2: (8x) + 4y + 3x - 2xy Line 3: 8x + 3x + 4y - 2xy Line 4: 11x + 4y - 2xy Line 5: 13xy
UGH! The human population of the world is over 6 billion. The increase of the human population P (in billions) can be approximated using the following formula: P = 0.073t + 6.08, where t is the number of years after the year 2000. Use the formula to predict how many years it w...
I am beginning to feel stupid here! Twelve more than twice a number is 22. Find the number
Marks: 6 If in a triangle ABC, m<45=degrees and m<B=75 degrees, what is M<C?
Find the area of a circle with a radius of 4 meters (use 3.14 for PI)
Find the area of a triangular piece of carpet that has a 12-inch base and is 18 inches high.