Mathematics, 25.06.2019 21:30, Jasten
There are a few boxes with 12 red pens in each and a few boxes with 10 blue pens in each. if 10 red pens and 5 blue pens are removed, the total number of pens that remains is given by the expression (12x − 10) + (10y − 5). here, x represents the number of boxes containing red pens and y represents the number of boxes containing blue pens. which expressions are equivalent to this expression?
Answers: 1
Mathematics, 21.06.2019 17:00, Damani14
According to modern science, earth is about 4.5 billion years old and written human history extends back about 10,000 years. suppose the entire history of earth is represented with a 10-meter-long timeline, with the birth of earth on one end and today at the other end.
Answers: 2
Mathematics, 21.06.2019 17:30, ricardodeleon152
As part of an annual fundraiser to raise money for diabetes research, diane joined a bikeathon. the track she biked on was 1,920 yards long. diane biked 38.5 laps. her sponsors agreed to donate an amount of money for each mile she biked. how many miles did she bike? first fill in the blanks on the left side using the ratios shown. then write your answer. given ratios: 5280ft / 1 mi , 1 mi /5280 ft , 1,920 yards / 1 lap , 1 lap / 1,920 yards , 3 ft / 1 yard , 1 yard / 3 ft. blanks: 38.5 laps / 1 yard x (blank) x (blank) x (blank) = (blank) miles i'm really confused on how to do this, and the explanations aren't exactly . if you could walk me through how to do this, it would be greatly appreciated.
Answers: 1
There are a few boxes with 12 red pens in each and a few boxes with 10 blue pens in each. if 10 red...
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