07/15/15

Probability topic
A student appears at 3 exams. The Probability of passing of these exams are 1/5,1/6 and 1/7 .The Probability that of the passed in at least one exam
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07/14/15

a company pays out $100 in dividends in Year 1. increase by 10% a year for 4 years and thereafter stay constant. What is total amountpaid out durin 1-10?
Assume a company pays out $100 in dividends in Year 1. Dividends increase by 10% a year for 4 years and thereafter stay constant. What is the total amount of dividends paid out (rounded to the... more
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07/13/15

Based on the data set, which statement is true?
A-   10    3   15 B-    5     8   10 C-   3     16   4   A) A varies jointly with B and CB) B varies jointly with A and CC) C varies jointly with A and BD) C varies directly with A and... more
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07/13/15

marcus lays a slab of concrete in 7 hrs. tony lays same slab in 3 hrs. if both work on job cost is 41.00 dollars per hr. decide what labor estimate should be
Im confused
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07/13/15

Find Huong's average speed on the outbound trip.
Huong drove to the ferry office and back.The trip there took one hour and the tripback took 3.3 hours. She averaged 46km/h faster on the trip there than on thereturn trip. 
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07/11/15

Find Jose's average speed.
Jose left the airport and drove toward thelake. 0.9 hours later Mofor left driving18.9 km/h faster in an effort to catch up tohim. After 2.6 hours Mofor finally caughtup. 
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07/11/15

How long does Nicole need to drive before they are 240.9 mi. apart?
Mike left school and drove toward theocean at an average speed of 25.5 mph.Nicole left 0.6 hours later and drove in theopposite direction with an average speedof 45 mph. 
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07/11/15

Find the diesel train's speed.
A diesel train left Miami traveling north3.6 hours before a cattle train. The cattletrain traveled in the opposite directiongoing 22 mph slower then the diesel trainfor 8.5 hours after which time... more
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07/11/15

averages topic
a chemist has two solutions one of which is 40% acid and the other is 20% acid.how many liters of solution with 20% acid should the chemist mix to get 10 liters of solution that is 25%... more
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07/10/15

averages topic
a chemist has two solutions , one of which is 40% acid and the other is 20% acid . how many liters of solution with 20% acid should the chemist mix to get 10 liters of solution that is... more
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07/10/15

tough question
Prove the identity   6 cot a ______=   3 sin 2a     1+cot2 a     rewrite this new expression in terms of sin a and cosa a
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07/10/15

averages topic
the average weight of 20 students in a class is decreased by 500g ,when one of the boys whose weight is 45 kg is replaced by a new boy then weight of the new boy is?
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07/10/15

Integers problem
When a,b,c are real numbers and ab2c^4 > 0 which of the following must be greater than 0?   a) ac2 b )ac c) ab d)abc E)bc   Any help will be appreciated.THANKYOU!!
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07/10/15

geometry question
 A plane contains 11 horizontal lines and 11 vertical lines. These lines divide the plane into disjoint regions. How many of these disjoint regions have a finite nonzero area.   A)... more
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07/10/15

Hello. I am in college studying petroleum engr. I am thinking of skipping trig. To calc. 1 is that gonna affect me?
Can i skip trig. Straight to calc. 1 by doing the compass test?
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07/10/15

Using the definition of isometries
Suppose fRR is an isometry of the reals. Prove that f is a reflection in a point if and only if f is decreasing.     We are learning about isometries in class and I am struggling using them to... more
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07/10/15

Definition of isometries
Suppose fRR is an isometry of the reals. Prove that f is a translation if and only if f is increasing.   We are learning about isometries in class and I am struggling using them to help answer... more
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07/10/15

solve this as soon as you can or possible...
Rectangle A has a length of 80 inches and a width of 30 inches. Rectangle A has the same area as Rectangle B, but has different dimensions. The width of Rectangle B is 80% shorter than the width of... more
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07/10/15

Maths problem
The price of a shirt is increased by 10% for GST and then decreased by 10% for a sale. The new price is $44 , what was the original price.
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07/09/15

No A are B. All B are C. So, no A are C. a) Is this form a fallacy?
 No A are B. All B are C. So, no A are C. a)   Is this form a fallacy?   Is it a formal or an informal fallacy?
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07/09/15

Iterate Please help! :)
Find the third iterate, x3, of the function f(x) = 3x + 5 for an initial value of x0 = 1.
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07/09/15

help with graded average and what i need for final
My total grade right now is 85% and my final is 15% i need to know what my weighted average is now and what i need on my final to get an a. Tests 60% 100,88,86,79,76,76,74 Homework 25% 100. These... more
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07/09/15

At a school fundraiser for every 9 boxes of chocolate sold, you even 6 points ,If you were to sell 18 boxes, how many points would you have earned
Help me and show me how u did it
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07/08/15

Trigonometry
Given that  cosθ=-4/√53 and that the terminal side is in quadrant II, find the length of the third leg and  the other five trigonometric function values.
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07/08/15

HELP WITH THIS ALGEBRA 2 QUESTION?
The student population of Gloomy Valley High school has been steadily decreasing by 2% per year. If its population 8 years ago was 1200, which is the best expression for its population now?   A)... more
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