12/15/15

Number of possible 2- and 3-letter combinations from a set of 6, disallowing certain letters to be used together?
Say we have a set of 6.   A B CX Y Z   These letters are arranged in a hexagon. We can have the letters in subsets of 1, 2, or 3, but the same letter cannot repeat in a subset, and each... more
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12/15/15

A jar contains Jelly-Beans, and there are 87 pink, 74 purple, 35 white, 70 black, 25 orange, and 47 green. If two Jelly-Beans are chosen from the jar, what is t
I have a feeling that you should add all of the beans together and divide by 2, but I'm not sure that is correct???  Full question: A jar contains Jelly-Beans, and there are 87 pink, 74 purple, 35... more
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12/15/15

Suppose 14 men and 24 women apply for jobs. If four people are selected randomly to fill job positions, what is the probability only one man was selected for a
I don't know where to start??? Full question: Suppose 14 men and 24 women apply for jobs. If four people are selected randomly to fill job positions, what is the probability only one man was... more
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12/15/15

In a shipment of 2,500 video games, 97 are defective. If a person buys two games, what is the probability that both are defective? Round to the nearest thousan
In a shipment of 2,500 video games, 97 are defective. If a person buys two games, what is the probability that both are defective? Round to the nearest thousandths.
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12/15/15

problem solving
Joleen and Pablo want to fertilize a rectangular garden with an area of A square feet. They know that 5 cups of fertilizer will cover to represent the relationship between the area, A, and the... more
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12/15/15

Write a one paragraph reflection of your thoughts about Snape in Harry Potter and the Sorcerer's Stone.
Write a one paragraph reflection of your thoughts about Snape in Harry Potter and the Sorcerer's Stone.
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12/15/15

fence is 1.5m high and 1m from a wall.ladder must start from ground, touch top of fence, and rest somewhere on wall. Calculate the minimum length of ladder.
The eq'n for length of a ladder i came up with is: L = 1.5/sinx + 1/cosx L'= 1.5cosx/sin^2x - (-sinx)/cos^2x and then set that to zero.  i couldn't solve for x and if i did i don't think the... more
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12/15/15

Using numbers 3 7 12 2=51
I need to use order of operations using () + - decision and multiplying using 3 7 12 2=51  
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12/15/15

Pythagorean Theorem - How do I know which variable is the hypotenuse?
Reba has found that her new cell phone will operate if it is no more than 17 miles from a cell tower. She lives 8 miles north of the nearest tower. How far west is she able to drive and still have... more
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12/15/15

A boat travels at a constant speed for 3 hours it travels 195.0 six kilometers what was its speed
A boat travels at a constant speed for 3 hours it travels 195.0 six kilometers what is its speed.
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12/15/15

If the rational function f and g are defined by rational epressions f(x) and g(x), then the product f*g is defined by f(x) and g(x) in simplest form.
If the rational functions f and g are defined by rational expressions f(x) and g(x), then the product f*g is defined by f(x) * g(x) in simplest form, and the quotient f/g is defined by f(x)/g(x) in... more
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12/15/15

Systems Of Equations Word Problem
A traveler is walking on a moving walkway in an airport. The traveler must walk back on the walkway to get a bag he forgot. The traveler's ground speed against the walkway is 3ft/s and 7ft/s with... more
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12/15/15

applications of linear Equations
Find 2 consecutive odd integers such that twice the greater is 17 more than the lesser.
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12/15/15

Mr. Garcia makes 12 cheese tamales and 25 pork in 21.5 min. The next day he makes 8 cheese and 15 pork tamales in 13.5 min. How long do each take to make?
Define Variables  Write 2 Equations  Solve  
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12/15/15

A bag contains purple marbles and red marbles, 37 in total. The number of purple marbles is 5 less than 2 times the number of red marbles
I need to know how many purple marbles there are in the bag..I'm not that good at math, so I need some help. Please and Thank you.
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