12/19/15

f(x)=x and g(x)=2^x,solve x if (f^-1)*g(x)=0.25
f(x)=x and g(x)=2^x, solve x if (f^-1)*g(x)=0.25
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12/17/15

a line passing through (a,8) and (-1,7) is perpendicular to a line passing through (2,-10) and (4,a). What is the value of a ?
 this is for 2 perpendicular lines
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12/17/15

Which is the factored form of x^3+6x^2-25x+18=0?
thanks
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12/16/15

Operations with Polynomials..?
Mr. Murphy's math class has been studying operations with polynomials and factoring. Today in class Mr. Murphy wrote the following pattern on the... more
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12/16/15

f(x)=p- 3x/(x^2-q^2) The equations of the asymptotes are x = 1 , x = -1 , y = 2. Write down the value of 1.p and 2.q
f(x)=p-  3x/(x^2-q^2) The equations of the asymptotes are x = 1 , x = −1 , y = 2. Write down the value of 1.p and 2.q
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12/15/15

Find the product of -4-3i and its conjugate. The answer is a+bi where
the real number a equals the real number b equals  
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12/15/15

i need help
a tour group split into two groups when waiting in line for food at a fast food counter. The first group bought 8 slices of pizza and 6 soft drinks for $34.78. The second group bought 6 slices of... more
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12/15/15

Quadratics
Given y= -2x²- 12x what formula would i need to use in order to graph that. 
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12/14/15

can someone solve this problem? with step by step
The formula A=134e^0.032t models the population of a particular city , in thousands, t years after 1998. When will the population of the city reach 168 thousand?
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12/13/15

How do you factor trinomials of the type ax^2+bx+c?
im in algebra, and we are learning about factoring expressions, and we're learning the type ax^2+bx+c. 
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12/13/15

State possible positive,negative, and imaginary zeros for f(x)=2x^10-3x^8+4x^6-x^4+3x^2-2
Algebra II
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12/13/15

Find the upper and lower bounds of the real zeros
D(x)=2x^4 -9x^3 +2x^2 +9x -4 Use synthetic division to identify the best integer upper and lower bounds of the real zeros. (Although there may be more than one correct bound, you must find the... more
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12/13/15

*The sum of two numbers is 65. The sum of the first number increased by 10% and the second number increased by 20% is 74. What are the original numbers?
The first number is ?  the second number is ?.
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12/12/15

i really need help because I have a FINAL EXAM ON MONDAY and i so confuse with this question. please HELP me!!
type of vehicles   numbers of vehicles       car           =            6     truck          =           10        SUV           =           14   Minivan        =           15   1)  At this... more
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12/12/15

What is the smallest of three consecutive positive integers if the product of the smallest two is equal to 2 more than three times the largest integer?
Please answer!! 
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12/11/15

Word Problem Using rational equations, Just trying to make sure I'm doing these right.
Antonio can fill an order in 5 hours, Brian can do it in 9 hours. Working together how many hours will it take them to fill an order?
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12/11/15

Please show me what i'm doing wrong
 Let f (x) = 3x^2+ 7 and g(x) = x – 4. Find ( f o g)(− )1 .    i've been working on this and my answer is  (fog)(-1)=3x^2-22x+55   but i'm still getting it marked wrong. I don't know if i'm... more
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12/11/15

At what values of x is f(x) = x - x^3 parallel to the line y + 4x = 2?
At what values of x is f(x) = x − x3 parallel to the line y + 4x = 2?     ANSWER: x = 1 or x = -1 #7, practice test
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12/11/15

Find the nth degree polynomial with real coefficients satisfying the given conditions
Find the nth degree polynomial with real coefficients satisfying the given conditions.n=3f(-1)=80zeros are 3 and 3i The expanded and simplified polynomial is f(x)=______________   *****Got the... more
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12/11/15

There are three monomials such that the greatest common factor of the first and second monomials is 2xy,
idk what a monomial number and what the greatest common denominator  
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12/10/15

How to graph r=4/costheta-sintheta
should i change it to rectangular form to graph it? is there any technique to graph directly from a polar equation?
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12/10/15

coffee shop
A coffee shop plans to mix 90 pounds of coffee that sells for $12 per pound with coffee that sells for $5 per pound to get a mixture that will sell for $10 per pound. How many pounds of the $5... more
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12/10/15

Trig question
A student solves the inverse sine function and gets 330 ° for an answer. Is it correct? Why or why not?
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12/09/15

Radioactive Isotopes, Exponential Decay
The radioactive isotope 239Pu has a half-life of approximately 24100 years. After 1200 years, there are 3g of 239Pu. (1) What was the initial quantity? ____ g (2) How much of it remains after... more
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12/09/15

converting fluid ounces to millimeters
Please help!!   Cough syrup comes in a bottle that contains 4 fl oz. How many millimeters is this? 
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