An object travels 4/5 miles in one half hours what is his spead in one hour

Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?

Ab and bc are tangent to circle d. find x is ab = 3x + 8 and bc = 26. find x

Find the value of the combination. 5 c 5