11/06/16

Find value of k so that the line containing the points (5,5) and (3,k) is perpendicular to the line y=-3/5x -5
Hi, how do I do that problem^
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11/06/16

Polynomial Function
Determine the value of the constant k so that x-2 is a factor of f(x)= 2x4+kx3+4x+6      
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11/06/16

Algebra II??
What extraneous solution arises when the equation (squareroot of x+3)=2x is solved for x by first sharing both sides of the equation?
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11/06/16

A card is randomly selected from a deck of 52 cards. The probability that the card is between four and eight (inclusive) or is a club.
A card is randomly selected from a deck of 52 cards. The probability that the card is between four and eight (inclusive) or is a club.
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11/06/16

Word Problem (in the description)
Question: Professor Latte drove from Baltimore to DC at a speed of 50 mph. On the way back, she drove at 60 mph. The total trip took 1 7/15 hours of driving time. Find the distance between these... more
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11/06/16

What is the quotient of c^2-c-2/c^2-1 / c^2+3c+2/c^2-3c+2 in lowest terms?
A) (c+1)(c+2)/(c-1)^2 B) c-2/c-1 C) (c-2)^2/(c+1)(c+2) D) C-2/c+1
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11/06/16

Which of the following is equal to x/x^2-1 / 1/x^2+1
A) x^2+x/x-1B) x^3+x/x^2-1C) 2xD) x
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11/06/16

the price of a tv is reduced in sale by 30%. if the sale price is £280 what was the original price?
the price of a tv is reduced in sale by 30%. if the sale price is £280 what was the original price?
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11/06/16

Sin(45-x)=cos(45+x) prove the identity
Sin(45-x)=cos(45+x) How to prove this identity? 
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11/06/16

math problem
Andy normal temperature is 98.6 degrees. Today his temperarure is 101.2 degrees. How much higher han normal is his temperature
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11/05/16

You are playing a board game where you roll a pair of dice about 250 times.
You are playing a board game where you roll a pair of dice about 250 times. During the course of the game you roll doubles two times in a row. What is the probability of rolling doubles two times... more
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11/05/16

what are the coefficients?
A horizontal/vertical ellipse or hyperbola use the general form Ax^2+Cy^2+Dx+Ey+F=0Ax2+Cy2+Dx+Ey+F=0. Solving for 5 unknowns (A, B, C, D, E, F) requires 5 equations, needs 5 points given. But if... more
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11/05/16

can you find the root of e^x = 4x^2 on [4,5] by using fixed point iteration method
I am struggling fixed points iteration method. if anyone could help me in this exercises and I may need online lessons in future for the same topic
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11/05/16

But it doesn't give me the year unless i use 12=1year
The growth in population of a city can be seen using the formula p(t) = 9768e0.003t, where t is the number of years. According to this formula, in how many years will the population reach 14,652?... more
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11/05/16

How do I simplify the expression, (3a ^ 2) ^ -3, and what is the result
I found this expression in a math textbook and couldn't simplify it.
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11/05/16

Each month, the census bureau mails survey forms to 250,000 households asking questions about the people living...
Each month, the census bureau mails survey forms to 250,000 households asking questions about the people living in the household and about such things as motor vehicles and housing costs. Telephone... more
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11/05/16

probability
In a particular city 82 percent have a desktop computer 47 have a laptop computer and 34 have both a desktop and a laptop if a random selected home what is the probability it does not have a laptop
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11/05/16

Mikhael wanted to rewrite the conversion factor "1 yard is about 0.914 meter" to create a conversion factor to convert meters to yards.
HE WROTE 1 METER IS ABOUT _______ . Tell how Mikhael should finish his conversion, and explain how you know. 
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11/05/16

Dave can paint a living room in 4hrs and Alice can paint it in 6hrs. If they work together, how long will it take to paint the living room
I need a letstatement and an equation.
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11/05/16

based on insurance company's past data
Based on an insurance company's past data, each year an average of 1/25 policy holders make a claim of $500, 1/100 policy holders make a claim of $12,000, and 1/400 policy holders make a claim of... more
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11/05/16

Suppose you roll a fair 10-sided die.
Suppose you roll a fair 10-sided die. What is the probability that the result is 3? Use a fraction or decimal for your answer (not a percent symbol).
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11/04/16

What's the max amount of boxes that could fit in a container?
What's the max number of boxes with dimensions 2 inches by 3 inches by 4 inches that could fit in a cube-shaped container that has a volume of 1 cubic foot?
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11/04/16

Probability
You are going to draw two candy bars from a large bag containing 22 Snickers bars and 7 Twix bars. (Assume you are going to keep the candy bars.) Tell whether the two draws are independent or... more
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11/04/16

What's the shortest distance between the endpoints of the arc?
If arc AB has a length of 12pi and represents 3/4 of the circumference of circle O, what's the shortest distance between the endpoints of the arc?
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11/04/16

What's the radius of the circle in terms of a and b?
Circle C is drawn on a coordinate plane, centered at the origin. If the point (a,b) lies on the circumference of the circle, what's the radius of the circle in terms of a and b?
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