04/03/16

Graph the line....
A line parallel to the graph of -x=7y-14
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04/03/16

Distance between ( 3v3, -2) and ( v3,-2)
When I found the distance I got 12 but the book is saying 2√3. It makes no sense because the step where I add the squares , isn't it supposed to be 12?    So so the step where I added the squares... more
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04/03/16

My teacher gave us a 50 questions to do over the weekend. I did all of them expect for these three because I don't understand how to do this please help.
My teacher gave us a 50 questions to do over the weekend. I did all of them expect for these three because I don't understand how to do this please help. What is the minimum product of two numbers... more
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Log

04/02/16

Solving log
Hi, I need help solving the log base x raised to (-1/2) = √3   Logx√3 = -1/2
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04/02/16

Inverse Variation
The weight of a body above sea level varies inversely with the square of the distance from the center of the Earth. If a woman weight 117 pounds when she is at sea level, 3960 miles away from the... more
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03/30/16

Suppose a,b,x,y are integers and that p is a prime.
Suppose a,b,x,y are integers and that p is a prime. Show that if ax + by = p, then gcd(a,b) = 1 or gcd(a,b) = p.
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03/30/16

Demand curve problem
The demand curve for a product is given by q equals 1000 minus 2 p^ 2 where p is the price. Find the price that maximizes revenue for sales of this product.
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03/30/16

Let a,b, and c be integers such that c doesn't equal 0. Show that if gcd(a,c) = 1 and c divides ab, then c divides (cx + by) for all x,y
Let a,b, and c be integers such that c doesn't equal 0. Show that if gcd(a,c) = 1 and c divides ab, then c divides (cx + by) for all x,y   Hint. use euclid's Lemma
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03/30/16

Prove identity (tan A + tan B) / (tan A - tan B) = (sin (A+B)) / (sin (A-B))
I have to prove the identity :   (tan A + tan B) / (tan A - tan B) ≡ (sin (A+B)) / (sin (A-B))      Please help me with a detailed solution and the detailed steps, that would be great! 
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03/28/16

Rational word problem about people swimming
A person swims 11 miles downriver in the same time they can swim 7 miles upriver. The speed of the current is 4 miles per hour. Find the speed of the person in still water
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03/25/16

What is the equation for the hyperbola that passes through the location of the ship?
 Two Coast Guard stations are located 400 miles apart.  A distress signal from a ship is received 0.002 seconds later at the second station.  The signal travels 186,000 miles per second.
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03/25/16

how can is happen that three different animals could be claimed largest?
Describe how it could happen that three different animals could each be claimed -rightfully- to be the largest of the three. Discuss the implications of this kind of situation for teaching students... more
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03/22/16

Trigonometric Identites
How do you verify the identity of sin^2x-sin^4x=cos^2x-cos^4x
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03/22/16

Algebra II help
Multiply (x3 + 4x2 - 5x - 8)(2x2 + 3x + 2). Is this operation closed for polynomials? Why or why not?
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03/21/16

Prove, using induction
Prove, using induction, that 3(2n−1) + 1 is divisible by 4 for all n ≥ 1.  
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03/21/16

prove that there does not exist n belongs to N such that n congruent 2 (mod 4) and n congruent 4 (mod 8)
prove that there does not exist n∈N such that n≡2 (mod 4) and n≡4 (mod 8). Please help this was on my last exam but I was very lost and my professor did not have enough time to go over it in class.
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03/21/16

How can you determine the possible locations for the mall?
A new mall is to be built to serve the towns of Sunnyvale and Bloomington., whose centers are 6 miles apart. The developers want to locate the mall not more than 3 miles from the center of... more
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03/21/16

prove by induction
Prove by Prove, using induction that 2^(n) ≤ 2^(n+1) − 2^(n−1) − 1     for all n ≥ 1  
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03/21/16

food box is a similar shape to a water box.volume of the water box is 3/4 of the volume of the food box.SA of the water box is 628cm2.SA of food box?
The eating space of the chicken coop also has a feed container. The feed container is similar in shape to the water container. The volume of the water container is three-quarters of the volume of... more
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03/19/16

function problem
If the graph of the function g(x) passes through the point (8,-3), then through which point does the graph of -g(x-4)-6 pass?
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03/18/16

If the units are integers, what dimensions have equal areas and perimeters?
The units of area and perimeter must be equal
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03/17/16

Making A Box Word Problem Polynomial equations
a rectangular box is to be formed by cutting squares from each corner of a rectangular piece of tin and folding up the sides. the box is to be 3 inches high, th legnth is to be twice the width, and... more
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03/17/16

Solve the quadratic equation by completing the square. -15x^2-21x=0
There isn't a c value so how would I solve this? 
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03/16/16

Determine which of the following two systems of vectors in the set of Polynomials P is linearly independent:
Determine which of the following two systems of vectors in the set of Polynomials P is linearly independent:   (i) 3+x+x^2, 2-x+5x^2, 4-3x^2   (ii) 1+3x+3x^2, x+4x^2, 5+6x+3x^2, 7+2x-x^2
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03/15/16

Find The Equation. The intercepts of the parabola are (-1,0), (5,0) and (0,15)
.HELPPPP PLZ
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