12/21/15

Average rate
A car and a bus both completed a 240 mile trip. The car averaged 10mph faster than the bus  and completed the trip in 48 minutes less time than the bus. Find the average rate in miles per hour of... more
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12/21/15

5 sin theta + 12 cos theta. find all the value of theta
5 sinθ + 12 cosθ = 1. find all the value of θ
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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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