math
the speed of train A is 14 miles slower than train B. train A travels 210 miles in the same time it takes train B to travel 280 miles. Whats the speed of each train?
math
maria shoveled snow fromher driveway in 55 min. tom can do the same job in 30 min. how long will it take to do it together?
MATH
Jack usually mows his lawn in 3 hours. Marilyn can mow the same yard in 5 hours. How long would it take them to mow the lawn together?
math
A long distance trucker traveled 300 miles in one direction during a snow strm. The return trip in rainy weather was accomplished at double the speed and took 5 hours less time. What was the speed going?
math
10cm^3 of a normal specimen of human blood contains 1.2g of hemoglobin. How many grams does 47cm^3 of the same blood contain?
math
a student traveled 230 km in 12days.At the same ratio, how far would the student travel in 36 days?
math
the speed of train A is 14 mph slower than train B. Train A travels 190 miles in the same time it takes train B to travel 260 miles. What is the speed of each train?
math
sue an shovel snow from her driveway in 55 minutes. Bill can do the same job in 60 minutes. how long would it take if they did it together.
Chemistry
If you have 20.0g of a Maalox tablet, and 40mL of .1 M HCI, how much extra help from NaOH would you need to bring the acid to neutral? Back titrate using .05 mL NaOH, drop by drop. Please put this into a formula for me to figure out. Thanks.
Statistics
4. The data below are from an independent-measures experiment comparing three different treatment conditions. Treat. 1 Treat 2 Treat 3 0 1 4 0 4 3 G=24 0 1 6 2 1 3 Σ X² = 92 T=2 T=6 T=16 SS=3 SS=9 SS=6 Use an analysis of variance with α of .05 to determine wheth...
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