02/28/16

Probability question
Beth is one of 10 students performing in a school talent show. The order of the performance is determined by drawing slips of paper from a bag. Event B: Beth is chosen to be the fifth performer and... more
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02/28/16

If x and y are positive integers and x+y<9, how many different values are there for the product xy?
If x and y are positive integers and x+y<9, how many different values are there for the product xy?
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02/27/16

what i know that this is supposed to be answered by logarithms but i don't know how.. help please!
Rusty wants to compare two different air fresheners. Air Clean sells an air freshener that initially weighs 32 grams and evaporates such that the mass of the air freshener decreases by 2.5% each... more
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02/27/16

Katherine and her friend made 35 cookies her friend took 21 cookies how many sandwiches does Catherine still have
I need to figure this out for my kid.
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02/27/16

Find the equation of the tangent line to y=e^-4t at t=0
Find the equation of the tangent line to y=e^-4t at t=0
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02/27/16

What's the probability when drawing 2 candy bars?
You are going to draw two candy bars from a large bag containing 21 Snickers bars and 10 Twix bars. What is the probability that the first draw is a Snickers and the second draw from the bag is a... more
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02/27/16

The tire of a toy car has a diameter of 9 cm. The inner wheel has a circumference of 6 pi cm. What is the area of the tire?
A word problem of grade 9 geometry. It asks about area by giving the diameter and circumference. 
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02/27/16

Let f(x)=16-x and g(x)=4-x. Find f/g(x)
Multiplying functions
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02/27/16

The cost price of 24 articles is the selling price of 15 articles. Find the gain percent.
based on percentage. The answer is 9%
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02/27/16

Maths Question
A pile of newspapers in Mrs. McGarth's art class was 17 3/4 inches high. Each consective week, for the next 5 weeks, the height of the pile of newspapers increased by 8 7/12 inches. What was the... more
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02/27/16

derivative of y=x^3sinxcosx
im confused because these are three products dont know how to use chain rule or product rule with it pls show step by step procedure thanks
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02/27/16

Correct way to find answer
Solve   5X-8y= 25 -X+4y= -7
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02/27/16

how can i do this?
Factor the polynomial completely. 8x^2−18
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02/27/16

I need help understanding this?
Factor the polynomial completely.   5x3 y+25x2y+5xy
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02/26/16

how do you solve this question... i tried i believe i have the answer just making sure it is correct
solve   6x-y=3 4x-2y=-2    
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02/26/16

I want to kmow the code for the law of sines to use in python
I need to find angles of a triangle and i need to use the law of sines, however i keep getting a syntax error, anyone know the code for the law of sines on python?
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02/26/16

could someone help me factor a fraction?
Factor completely a 2-2/3a+1/9
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02/26/16

how do you find the value of x in this determinant equation?
4 -3  9 8  x -4 1  5  3
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02/26/16

there are approximately 2.6 million births in a country each year. find the birth rate in units per minute
birth rate in units
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02/26/16

f(x)=x with the domain all even integers G(x)=x+2, with domain even integers
which of the following makes this statement true for f and g?   A) the domains of f and g are equal B) The ranges of f and g are equal C) The functions of f and g are equal
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02/26/16

Problem 13.3.2 from Prealgebra by AoPS: please help!
Each man in the Not Much Hair Left club counts the number of hairs remaining on his head. They represent their results with the stem-and-leaf plot shown (here're the values from the stem-and-leaf... more
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02/26/16

The prism and pyramid above have the same width, length, and height. The volume of the prism is 45 cm3. What is the volume of the pyramid?
Hey Homework due in 20 mins need help like NOW!!
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02/26/16

if theta is between pi and 2pi, what is the value of theta?
 I guessed that theta was equal to 3pi/2 because it was between pi and 2pi... obviously I was wrong. 
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02/26/16

Armand lives 7/8 mile from school he rode his bike 5/16 mile and walked the rest how far did he walk
Armand lives 7/8 mile from his school he rode 5/16 mile and walked the rest.how far did he walk  
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02/26/16

Determine the amount of an investment is $1,500 is invested at an interest rate of 4.85% compounded quarterly for 12 years
Determine the amount of an investment is $1,500 is invested at an interest rate of 4.85% compounded quarterly for 12 years
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