Mathematics, 06.11.2019 22:31, ninigilford
Pumps a, b, and c operate at their respective constant rates. pumps a and b, operating simultaneously, can fill a certain tank in 6/5 hours; pumps a and c, operating simultaneously, can fill the tank in 3/2 hours; and pumps b and c, operating simultaneously, can fill the tank in 2 hours. how many hours does it take pumps a, b, and c, operating simultaneously, to fill the tank.
a. 1/3
b. 1/2
c. 1/4
d. 1
e. 5/6
Answers: 3
Mathematics, 21.06.2019 17:00, casting479
Ajar of gumballs contains 4 reds, 2 greens, and 6 blues. what is the probability of getting two blues in a row without replacement?
Answers: 1
Mathematics, 21.06.2019 18:30, Jenniferwolf
Ametal rod needs to be 9 feet and 5.5 inches in length. the sections of the poles being used are each 1 foot and 10.5 inches long. how many 1ft 10.5in sections would be needed to complete the 9ft 5.5in metal rod? and how many inches of material will be left?
Answers: 1
Mathematics, 21.06.2019 19:30, Victoriag2626
When 142 is added to a number the result is 64 more then 3 times the number. option 35 37 39 41
Answers: 2
Pumps a, b, and c operate at their respective constant rates. pumps a and b, operating simultaneousl...
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