09/08/16

Math Problem
The population of a small town increased by 20% one year and then decreased by 20% the year after. At the end of the two years, the population was 5280. What was the population at the start of the... more
Follows • 2
Expert Answers •1

09/08/16

Interval notation
Given the function, f(x)=|x-2|+1, what is the correct range using interval notation? 
Follows • 2
Expert Answers •1

09/07/16

Explain why the ratio 3/1 has a value of one.
PLASE WQHQHOEWIDNDJS HELP ME
Follows • 3
Expert Answers •2

09/07/16

If a line is passing through the points (-8,7) and (-3,1) with an X-intercept of 6...How do you solve that?
I am unsure what to do here. My Calculus teacher is doing this new thing where he doesn't teach but instead has the class figure it out. How can we figure anything out if we are all lost? Please... more
Follows • 2
Expert Answers •1

09/06/16

Solve for y: x^4 + 1/ay = xy + a.
Solve for y: x^4 + 1/ay = xy + a. 1) y = ax − 1/ ax^4 − a^2  2) y = ax^4 − a^2/ x − 1  3) y = ax^4 − a^2/ ax − 1    4) y = x^4 − a^2/ x − 1  5) y = ax^4 − a/ ax − 1   I am very confused on how... more
Follows • 3
Expert Answers •2

09/06/16

Interpret S(t) = 260 log(At + 10)-220
A student has spent the last few years learning Spanish at a special language Academy. The number of words in Spanish, S(t), that he knows is given below where A is a positive constant and t is the... more
Follows • 3
Expert Answers •3

09/06/16

exact simplified solution
Find an exact simplified solution to the equation below so that 0 < θ < π/5.1 = √3 *tan(5θ)
Follows • 2
Expert Answers •1

09/06/16

Suppose the leftmost digits of two numbers are 8 and 3. Can you tell which number is greater? Explain.
Suppose the leftmost digits of two numbers are 8 and 3. Can you tell which number is greater? Explain.
Follows • 7
Expert Answers •1

09/06/16

divide 12 into two parts such that product of the square of one part and the fourth power of the other may be maximum
this is a application of derivatives word problem of hsc 
Follows • 3
Expert Answers •1

09/06/16

for what value of a,the polynomial g(x)is a factor of f(x)
f(x)=2 x*x*x x+3*x*x*x +2 a*x*x+3 x+6,g(x)=x+2
Follows • 3
Expert Answers •2

09/06/16

Please explain and show work pls help
Consider the equation log((x + 3)(x−8))+ log(x+3/x-8) = 2.   (a) Explain why x = 7 is not a solution to this equation.   (b) By combining the logarithms, when appropriate, solve the equation.
Follows • 2
Expert Answers •1

09/06/16

Please Help, Simplify
Simplify and express the following as a single logarithm: log3 6 − log3 1/6 − log9 24.
Follows • 2
Expert Answers •1

09/05/16

11th Grade Pre-Calc
A new copying machine can do a certain job in one hour less than an older copier. Together they can do this job in 1.2 hours. How many minutes would it take the older copier by itself to do the... more
Follows • 3
Expert Answers •2

09/05/16

If f(x) = 2x5 + 3 and g(x) = x2 – 1, what is the degree of [f o g](x)?
i need help cause im stuck
Follows • 2
Expert Answers •1

09/05/16

Which systems of equations could be used to determine how much should be mixed to get 2 liters of the 40% solution?
He only has a 25% solution and a 75% solution available. He wants to make a 40% solution of a certain solvent. Answers: A.) x+y=2                             B.) x+y=2     .25x+.75y=.40        ... more
Follows • 3
Expert Answers •2

09/04/16

Show that the curves whose equations are y = Squ(3x+1) and y = Squ(5x-x^2) have the same slope at their point of intersection. Find the equation of the common t
Show that the curves whose equations are y = Squ(3x+1) and y = Squ(5x-x^2) have the same slope at their point of intersection. Find the equation of the common tangent at this point. ???
Follows • 4
Expert Answers •3

09/04/16

The curve f (x) = 3x^3 + Ax^2 + B has tangent with slope 0 at the point (-2, 14). Find A and B and hence f''(x)(-2).
The curve f (x) = 3x^3 + Ax^2 + B has tangent with slope 0 at the point (-2, 14). Find A and B and hence f''(x)(-2).  
Follows • 3
Expert Answers •2

09/03/16

Why is x^2-y^2 not factorable?
I do not understand why certain polynomials are not factorable.   Why can't you factor x^2-y^2?   Isn't that just, (x-y)(x+y), etc...?
Follows • 2
Expert Answers •1

09/03/16

If P is at (-2,3) and Q is at (6,-3),the line segment [PQ] is a tangent to y=b/(x+1)^2 Find b.
If P is at (-2,3) and Q is at (6,-3),the line segment [PQ] is a tangent to y=b/(x+1)^2 Find b.   please explain full  
Follows • 3
Expert Answers •2

09/02/16

SImplifying expressions. I NEED HELP! I have no idea what to do.
Simplify the expressions below. (a) sin(sin^−1(x/7))=  (b) For what values of x is your answer to part (a) valid?1) −π ≤ x ≤ π 2) −7 ≤ x ≤ 7 3) −∞ < x < ∞ 4) −1 ≤ x ≤ 1 5) −3.5π ≤ x ≤ 3.5π... more
Follows • 3
Expert Answers •2

09/01/16

Use f(x) = log3(9x) and g(x) = 3^x
Use f(x) = log3(9x) and g(x) = 3^x (a) Find f(g(x)) and simplify For this one I am confused because I am not sure how to deal with logs of a different base but this is my... more
Follows • 3
Expert Answers •2

09/01/16

AP Calculus Trigonometry Help
Solve on the interval 0 ≤ x < 2∏   cot2(∏x)=3   (∏=pi)
Follows • 4
Expert Answers •3

09/01/16

Distance Problem
On his way to visit soren, peter averaged 7mi/h on his skateboard and 4 mi/h walking. If soren lives 6 miles away and the whole trip took 1 h, how many miles did Peter travel by skateboard? (Hint:... more
Follows • 3
Expert Answers •2

09/01/16

John wants to fence a rectangular garden, which is 30 feet. What would be the dimensions of the fence which would maximize the area?
 It's for math  
Follows • 3
Expert Answers •2

09/01/16

rules for variables where x=2,4,6,8 and y=18,16,14,12
rules for variables where:   x    2    4   6   8 _____________   y   18  16 14  12
Follows • 2
Expert Answers •1

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.