7,200 Answered Questions for the topic Math Help

07/22/17

Word Problem
Success in business depends on many factors. Buying habits of consumers, trends in fashion and taste, seasonal trends, the strength of the competition, and the condition of the national and... more
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Math Help

07/21/17

The sum of x and -5 is -1
find the equation for the sum of x and -5 is -1
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Math Help

07/21/17

If I am receiving 20% bonus on total products purchased, does the base cost per unit go down if I purchase more or does it stay the same?
If I buy 1000 pieces of apples and the vendor offers me 20% bonus on total qty purchased, does the base cost per apple go down if I buy more or is it constant? 
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Math Help Math Calculus

07/20/17

Calculus Question
If f(x) = sinx, evaluate f(2+h)-f(2)/h to two decimal places as h approaches 0. Help?!
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Math Help

07/20/17

The variable Z is inversely proportional to X. When X is 12, Z has the value 0.25. What is the value of Z when X = 19
The variable Z is inversely proportional to X. When X is 12, Z has the value 0.25.What is the value of Z when X = 19
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Math Help Calculus

07/20/17

Trigonometry Question
Prove sinx/1+cosx + 1+cosx/sinx = 2 cscx, Justify significant steps. Help!?
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07/20/17

Trig Question
Prove sec2x-1=sec2xsin2x, justify significant steps. (state identities used)
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07/20/17

I work two jobs and get paid 11.50 per hour at one and 9.65 per hour at the other. Combining both jobs, what do I get paid hourly ?
I work 8 hour shifts every day at both jobs and ONLY on the weekends do I get paid 9.65. I'm really bad at math lol If I calculate the average it's only $10, which doesn't seem right and that's not... more
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Math Help Math Calculus

07/19/17

Calculus Question
Find the slope of the curve 8x2+y2-2x+4y=270 at the point (-5,6). Round the answer to the nearest thousandth.    Help!?
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Math Help Math Calculus

07/19/17

Calculus Question
Find the slope of the tangent to the curve f(x) = x2-2x-1 at the point (3,2)
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Math Help Math Calculus

07/19/17

Calculus Question
Determine the slope of the normal line to the curve y = x+1/x at the point (2,5/2). Round to the nearest hundredth. 
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07/19/17

name the population 45% of chicago residents surveyed, own their own vehicle
Name the population 45% of chicago residents surveyed, own their own vehicle
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Math Help

07/19/17

'>C(x)=2.15x+2350 . a. Find the monthly average cost function.
>C(x)=2.15x+2350 . a. Find the monthly average cost function.
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07/19/17

Trigonometry Proof
Please help me answer the following question! I'm stuck!   Prove that cos6ß + sin6ß = 1/4 + 3/4cos2ß   I've tried simplifying out the LHS into (cos2ß)3 + (sin2ß)3, but I don't know what to do... more
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07/19/17

Math help please answer and thank you with explanation
Roger has the graph of F(x) = −4x 2 but needs to sketch the graph of G(x) =(x+3)^2+2/3 Describe how Roger can use the graph of F(x) to sketch the graph of G(x)
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Math Help

07/19/17

Which of the following equations is NOT a function?
Which of the following equations is not a function? a) y=x^2-x-1 b) y= √x-1 c) y= x^2-1 d) y^2=x-1  
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Math Help

07/18/17

Let the replacement set be the set of integers.
Give the solution set by listing its elements. Enter answer in roster notation.   x > -2 and x -1 < 0
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Math Help Calculus Calculus 1

07/18/17

Calculus Qustion
What is the derivative of 2xy-17=-3x2? Is it -y/x-3?
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Math Help

07/18/17

Linear equations
It’s time to get a new cell phone plane - which will you choose? Using linear equations, you can answer some questions about which plan is best based on the number of text you plan to send. Y =(... more
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07/18/17

Calculus Question
Differentiate 2xy-17=-3x2 to find the slope at point (2,5).   help?!
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Math Help

07/18/17

Find the area of a circle with a circumference of 10
Don't understand how to do this
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07/18/17

Calculus Question
Find the equation of the tangent line to the curve 3xy = x3+y3, at the point (2/3,4/3). HELP!?
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07/18/17

Calculus Question
Differentiate y = (2x+5)^3(6x-1)^5. Express your answer in factored form.
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Math Help

07/18/17

Let the replacement set be the set of real numbers.
Give the solution by listing its elements. ( Enter your answer in roster notation). x > -2 and x - 1 < 0.
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Math Help Calculus

07/17/17

Calculus Question
Find dy/dx if 2x5+x4y+y5 = 36  
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