11/17/15

If I have 80% last essay is worth 25%, and I need 72% to pass the class. What % do I need to get on the lady essay to pass the class
Want to know what grade I need to get on final essay to pass.
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11/17/15

A line passes through the points A(-3,-2) and B(2,1). Does it also pass through the point C(5,3)?
Justify how you know. 
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11/17/15

The perimeter of the rectangular swimming pool is 70 meters .The pool is twice as it is wide .What is the length of the swimming pool
The perimeter of the rectangular swimming pool is 70 meters .The pool is twice as it is wide .What is the length of the swimming pool
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11/17/15

a shipment of TV sets, some weighing 30kg and the others weighing 50kg, has a total weight of 880kg. If there are 20 TV sets all together, how many weigh 50kg?
 a shipment of TV sets, some weighing 30kg and the others weighing 50kg, has a total weight of 880kg. If there are 20 TV sets all together, how many weigh 50kg?
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11/17/15

Empirical formula
When a 35.07 g sample of phosphorus reacts with oxygen, a 71 g sample of phosphorus oxide is formed. What is the percent composition of the compound? What is the empirical formula for this compound? 
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11/10/15

One number is 4 more than another. The difference between their squares is 96.
One last question 
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11/08/15

Algebra help please?
An anthropologist finds bone that her instruments measure it as 0.146% of the amount of Carbon-14 the bones would have contained when the person was alive. How long ago did the person die?The half... more
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11/08/15

Of 14 students, 7 wearing jackets, 6 wearing gloves, 3 wearing both jackets and gloves. How many are not wearing either jackets or gloves
It doesn't make sense because then you would have a negative answer so I am not sure how to do this problem
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11/07/15

shelly and michelle need to make a total of 6080$ to reach their quota.
shelly and michelle need to make a total of 6080$ to reach their quota. Shelly sold eight less than four times as many gifts as michelle did. if each gift sells for 40$, how many more gifts did... more
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11/07/15

explain why the addition of S2- ion to Cr(OH)3(s) does not result in the formation of Cr2S3(s)
 The addition of S2- ion in to Fe(OH)2(s) results in the formation of FeS(s) 
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11/03/15

simplify: 2v512x^2y^3 - xyv50y and explain please
Can you please explain
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10/28/15

I have to write a function for this problem and I'm completely lost.
Alan's camping troop is selling popcorn to earn money for an upcoming camping trip. Each camper starts with a credit of $25 towards their sales, and each box of popcorn sells for $3.75. I have to... more
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10/28/15

-45 = x + (-3) + 50
whats the answer 
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03/22/15

selling price of a 15$ item with 40% and gross profit
If you purchase an item for your resell inventory for $15, and want to achieve a 40% gross profit, what is the selling price?
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