
CalculusAB
determine if differentiable everywhere: 3xabs(x)1=y i know you're supposed to find the derivative....  then my mind draws a blank? hahah please help me out also y=x ^ 2/5 you find the derivative and it is 2/(5x^(3/5)) now what? thanks so much
asked by Andre on October 4, 2009 
math
Find all rational zeros of the function. Then (if necessary) use the depressed equation to find all roots of the equation f(x)=0 f(x)= 5x^411x^333x^2+77x14
asked by hiroko on November 9, 2013 
physics
truck covers 40.0 m in 7.50 s while uniformly slowing down to a final velocity of 2.65 m/s. (a) Find the truck's original speed. (b) Find its acceleration. m/s2
asked by Anonymous on February 4, 2014 
Algebra 2 Honors Ellipses
for my homework problem i have the equation: (x^2/16) + (y^2/4) = 1 I need to find out the center, the vertices, co vertices and the Foci. I have trouble knowing how to find them, so if you can please explain them. Thank you.
asked by Stephanie on April 30, 2008 
Math
Find the equation of the straight line that passes through the points (−1, 5) and (5, −1). Find the coordinates of the point where this line crosses the yaxis
asked by Dave on June 11, 2010 
college
5 coins are tossed 3200times. Find the expected frequency for heads and tails also find the mean and varience of the number of heads?
asked by sreta jha on February 24, 2016 
calculus
Let f(x)=(2+x)2−4x. Note that f(x) is undefined at x=0. However, in this case, we can find a continuous function g(x) defined at x=0 that agrees with f(x) near x=0. Find the function g(x) that is equal to f(x) when x≠0 such that g(0)=limx→0f(x).
asked by lisa on January 19, 2013 
Chemistry 9
a) A 2.56 balloon contains 3.66 g of gas. Find the density b) A 45.3 g sample placed in a graduated cylinder causes the water level to rise from 25.0 mL to 41.8 mL . Find the density
asked by Seastone on October 22, 2012 
English
Please help me I still can't find two cause and effect relationships in the letter to his son by Robert e lee. I read the letter and have finish annotating it but still can't find it. Please help me
asked by Amy on September 2, 2014 
Algebra
For the given quadratic equation convert into vertex form, find the vertex, and find the value for x = 6. Show your work. y = 2x2 + 2x +2 (1/2)y = x^2  x  1 (1/2)y + 1 = x^2  x (1/2)y + 1 = (x  1/2)^2  1/4 (1/2)y = (x1/2)^2  5/4 y = 2(x1/2)^2
asked by Alexa on February 16, 2016 
math
1)find the sum of the odd integers from 25 to 75 2)find the sum of the first 20 terms in the series 10+5+2.5+1.25... . please show the steps to solve the problem^_^
asked by sarah on April 22, 2013 
math
Triangle JKM has j=28cm, k=17cm, and m=13cm. a. find the measure of the smallest angle b. find the area of the triangle
asked by Gary on November 25, 2011 
Algebra math1
Find the formula 42 reversed is 24 2+4 = 6. The difference between 42 & 24 is 18, 2 + 4 = 6. 18 x 2 = 36, 36 + 6 = 42, 18 + 6 = 24. I need to find a formula that would've found the answers 6 & 18 before I knew they were the answer, but could also work for
asked by Shanu on January 25, 2015 
math
angles c and d are parallel and p is transversal. if m
asked by gabby on January 21, 2009 
calculus
Consider the function below. f(x) = 4x2  5x (a) Find f '(2). (b) Use the answer in part (a) to find an equation of the tangent line to the parabola y = 4x2  5x at the point (2, 6). y =
asked by Tyler on February 3, 2011 
Calculus
Find the normals to the curve xy + 2x  y = 0 that are parallel to the line 2x + y = 0. I can find the normal lines and the slope but I don't know what I'm suppose to do with the line 2x + y = 0
asked by John on March 11, 2010 
calculus
Let f(x)=x2+x−6x−2. Note that f(x) is undefined at x=2. However, in this case, we can find a continuous function g(x) defined at x=2 that agrees with f(x) near x=2. Find the function g(x) that is equal to f(x) when x≠2 such that g(2)=limx→2f(x).
asked by lisa on January 19, 2013 
Precalculus
Find the value for c for which the system is consistent and dependent. 3x + y = 5 4.5y = c + 9x Find the minimum value of f(x, y) = y – x + 1 for the polygonal convex set determined by this system of inequalities. x > 0 y > 0 2x + y< 4
asked by brandi on April 8, 2012 
Trigonometry
Help trig question involving discriminant? a)Find the value of the discriminant. b)Use any method to find the real roots of the equation if they exist. 2x^2+7x=0
asked by Tomtom on November 17, 2011 
physics
A truck covers 40.0 m in 7.00 s while smoothly slowing down to a final velocity of 2.45 m/s. Find the truck's original speed. Find its acceleration.
asked by J on September 16, 2010 
Math
find an equation for the line tangent to the graph of y=arccot(x) at x=1. I found that slope is 1/(1+x^2). I don't know how to evaluate arccot(1) to find y value.
asked by Bob on January 5, 2016 
Exexponential Growth Modeling
Researchers find that there are 60 Raccoons on an island. When they return a year later, they find that there are 84. What is the annual population growth rate for the raccoons?
asked by jess on April 30, 2016 
Math
Find the area of the parallelogram determined by the vectors v and w where v=2i+3k and w=2j3k. Area? If a=i+1j+k and b=i+5j+k, find a unit vector with positive first coordinate orthogonal to both a and b. _i+_j+_k?
asked by Linda on April 30, 2018 
Algebra
I have some problems that I need help with please. Thanxs! Find the domain of the function. 1. f(x)=8x2 Given fuctions f and g, perform the indicated operations. 2. f(x)=4x9 g(x)=7x3 find f  g. Given the functions f and g, determine the domain of f +
asked by Jen on September 1, 2007 
trig/pre calc
hello, i don't quite understand how to do this type of problem: 1. find the exact value of sin (pi/3). even more confusing is 2. find the exact value of csc^1 (1). i would appreciate any kind of help! thank you!
asked by brandy on July 14, 2008 
Algebra 2 Honors Ellipses REAL ONE
for my homework problem i have the equation: (x^2/16) + (y^2/1) = 1 I need to find out the center, the vertices, co vertices and the Foci. I have trouble knowing how to find them, so if you can please explain them. Thank you.
asked by Stephanie on April 30, 2008 
Englisj
1. Which of the following is NOT an example of persuasive writing? a position paper from an elected official a college admissions essay a movie review *a summary of a textbook reading assessment 2. Identify the following as a fact or an opinion: “Video
asked by Jack on March 27, 2013 
Accounting
1. On July 1, 2010, Harris Co. issued 6,000 bonds at $1,000 each. The bonds paid interest semiannually at 5%. The bonds had a term of 20 years. At the time of issuance, the market rate of interest was 7%. Harris uses the effective interest rate method to
asked by Jana on December 27, 2013 
Finance
You are considering the purchase of an industrial warehouse. The purchase price is $1 million. You expect to hold the property for five years. You have decided to finance the acquisition with the $700,000 loan, 10 percent interest rate, 30 year term, and
asked by Jason on August 30, 2011 
English
Can someone help me check these sentences,please? Thank you in advance. 1)His fingers produced a music similar to (can I use "like") the sound blown into a glass. 2)A simile is a stated comparison between two things through (and not "with") the use of
asked by Franco on March 6, 2010 
Biology
A lilly from a truebreeding line with white flowers and short corollas (line A) is crossed to a lilly from a truebreeding line with black flowers and long corollas (line B). The resulting offspring, the F1, are all redflowered, with corollas of medium
asked by martini on October 18, 2011 
physics please help
suppose a cart of mass m = 969 g is initial moving at speed v0 = 5.17 m/s. It strikes a spring attached to a fixed wall, comes to a stop, and bounces back at speed vf = 4.48 m/s. Assume the track is frictionless. a) Find the magnitude of the impulse
asked by john on November 1, 2010 
AP Calc
When a chain hangs under its own weight, its shape is catenary. The equation of a catenary with a vertex on the yaxis is y=e^x+e^x. Find the length of the chain from x=2 to x=2. Then use the same technique from Problem #8(Previous AP calc problem I
asked by Anon on July 31, 2014 
Chemistry
HELP! we just started kinetics and i have no clue how to solve this problem. For the reaction between reactants A and B below, if 4.925 moles of A is placed into a flask with excess B it is found that the amount of A remaining after 6.85 seconds is 2.737
asked by Jonathan on February 20, 2008 
english
Homework Help Forum: brain teaser help Current Questions  Post a New Question Answer this Question  Further Reading Posted by sam on Sunday, April 2, 2006 at 3:34pm. try to find the error. I couldn't; it's very hard. A B C D E F G H I J K L M N O P Q R S
asked by chris on September 10, 2006 
PreAlgebra
Q: A building lot in a city is shaped as a 30° 60° 90° triangle. The side opposite the 30° angle measures 41 feet. a. Find the length of the side of the lot opposite the 60° angle. b. Find the length of the hypotenuse of the triangular lot. C.Find
asked by DArko on June 22, 2014 
prealgebra
A building lot in a city is shaped as a 30° 60° 90° triangle. The side opposite the 30° angle measures 41 feet. a. Find the length of the side of the lot opposite the 60° angle. b.Find the length of the hypotenuse of the triangular lot. c. Find the
asked by Anonymous on July 31, 2014 
math
A building lot in a city is shaped as a 30° 60° 90° triangle. The side opposite the 30° angle measures 41 feet. a. Find the length of the side of the lot opposite the 60° angle. b.Find the length of the hypotenuse of the triangular lot. c. Find the
asked by allison on March 8, 2013 
Math
1) A plane is located at C on the diagram. There are two towers located at A and B. The distance between the towers is 7,600 feet, and the angles of elevation are given. a) find BC, the distance from Tower 2 to the plane, to the nearest foot. b) find CD,
asked by Tim on April 11, 2016 
personal finance
They each take home about $42,000 per year after taxes. Sue is 37 years of age, and Tom is 35. Their two children, Mike and Karen, are 11 and 9. Were either one to die, they estimate that the remaining family members would need about 75% of the present
asked by ari on January 27, 2010 
Quadratic Equations
Ok, I am supposed to find out what the variables are by factoring and finding square roots. I couldn't find the right factors of a and c that added up to b in the equation (did that make sense?). Please help me find them! TYVM 5n+6n^24=0 I know
asked by Emily on February 8, 2007 
Calculous Finding K, using zeros
Suppose f(x) has zeros at x = 3, x = 3, x = 5, and a yintercept of 17. In addition, f(x) has the following longrun behavior: as x > +infinity, y > +infinity Find the formula for the polynomial f(x) which has the minimum possible degree F(x) =
asked by Randy on December 5, 2014 
American Government
How does the right to file a lawsuit protect people? I cannot find any websites with the answer to this question. When I google it, the results are only on forums. I need a reliable website where I can find this answer. Help????!!!
asked by kitkat on November 7, 2017 
Chmeistry
given the true molar masses of CuSO4 and H2O how could you find the exact formula of the hydraye from your experimental data. Find the Value of X in the Formula CuSO4x XH2O
asked by Alex on April 19, 2010 
Math
A triangular region is bound by the three lines 2x+y12=0, y=3x3, and y=1/7x81/7. What is the circumcentre of this triangle? I can find the answer using a graph, but I don't know the formula to find the mid segments of the lines.
asked by Annabeth on November 30, 2014 
Physics
Ultrasound with f = 4.4MHz is used in a medical imager A)Find the wavelength in air, with sound speed 343 m/s. B)Find the wavelength in muscle tissue, with v = 1580 m/s
asked by sandra on December 2, 2013 
Chemistry
given the true molar masses of CuSO4 and H2O how could you find the exact formula of the hydraye from your experimental data. Find the Value of X in the Formula CuSO4x XH2O
asked by Alex on April 20, 2010 
math
If sinθ=7/13 and cosθ=12/13 find tan θ and cot θ Use Pythagorean Identities to find sin θ and tan θ if cos θ =24/25 if the terminal side of θ lies in the third quadrant.
asked by hanna on January 14, 2019 
Calculus
I've been trying to figure this out but I can't seem to find the correct answer... DIRECTIONS: Find the points of intersection of the groups of the equations, and check your results analytically. QUESTION 1: 2x  3y = 13 5x + 3y = 1 QUESTION 2: x^2 + y^2 =
asked by C on September 10, 2007 
Physics
a motor lifts a 12 kg mass to a height of 15 meters at a content velocity in 3.5 seconds. a) find the power b) if the motor is only 35% efficient find the input energy
asked by Unknown on June 16, 2014 
math
The velocity function, in feet per second, is given for a particle moving along a straight line. v(t) = 3t − 2, 0 ≤ t ≤ 3 Find the displacement 15/2 Find the total distance that the particle travels over the given interval Im not sure how to do this
asked by Anonymous on February 2, 2019 
Physics
A grasshopper jumps 1.0 m from rest, with an initial velocity at a 47 angle with respect to the horizontal. Find the speed of the grasshopper? Find the maximum height reached?
asked by Lady22 on February 24, 2011 
Math
So far, you have used synthetic division and factoring to find xintercepts. What additional information do you need to create an accurate sketch of the function ? How do you propose we find this information using the equation ?
asked by Beth on January 26, 2017 
math
help find the simple interest rate. Find the simple interst owed for the use of the money. Assume 360 days in a year. p=$4000, r=6%, t= 1year
asked by Dee on May 9, 2012 
math
help find the simple interest rate. Find the simple interst owed for the use of the money. Assume 360 days in a year. p=$4000, r=6%, t= 1year
asked by Dee on May 8, 2012 
Chem.
How can you use the sticky tape activity to find if an object has excess charge that can be transmitted to the computer and ruin the processor? Would it be that you have to find what charge it is and how strong the force is?
asked by Sarah on November 15, 2009 
physics
Find the direction of the vector represented by the following pair of components: Ax= 3.15 m, Ay= 6.85 m. Find theta measured from the +x direction I don't know where to begin on this, could anyone guide me or give me steps?
asked by drew on January 28, 2010 
mensuration
A floor 4m long and 305m wide is to be carpeted.find the area of the floor and find the cost if the carpet costs P42 per square metre
asked by pearl on April 17, 2016 
Math
Diameter of a circle is 1.3*10^12 what is the radius and Find the trinmial parrelgram represents area pf a parrelogram whose base is 3x+2 meters and height is 2x+3 meters find A(3)? Do not understand these what so ever please help me
asked by Virginia on June 1, 2010 
looking for college scholarships
I am a junior in high school and I am in the process of trying to find scholarships that I can apply for right now at the moment. I am trying to start early as I can. Thanks!! If you can help me find scholarships and or grants. But i say absolutely no
asked by kate on May 22, 2009 
calculus
find all extrema in the interval [0, 2pi] if y=sinx + cosx and also a certain item sells for $30. if the cost of producing this item is given by C=.05^3 + 100, find the mariginal profit when x=10.
asked by anonymous on November 19, 2007 
Statistics
I have no idea on how to answer this question... "Use technology or a standard normal distribution table to find the area to the left of z=1.58. Do I plug in 1.58 in my calculator to find the answer?
asked by Jim on September 13, 2013 
Statistics
I have no idea on how to answer this question... "Use technology or a standard normal distribution table to find the area to the left of z=1.58. Do I plug in 1.58 in my calculator to find the answer?
asked by Jim on September 13, 2013 
English
I am trying to find an analysis of Oodgeroo Noonuccal's (formerly Kath Walker) poem "No More Boomerang." All i desperately need is the year it was written if you can't find a full analysis. I have looked everywhere. Please help.
asked by Nat on August 22, 2009 
geometry
I was assiged to a 20question assigment and Im having troubles with the following question: "Find the coordinates of the midpoint of a segment having the endpoints C(4,1) and D(3,7). Then find the distance between the endpoints PLEASE HELP!!! Its due on
asked by Rick on August 24, 2012 
Math
For y= (3x)/(2e^x+e^1), use graphing techniques to find the approximate intervals on which the function is: a) increasing b) decreasing c) concave up, d) concave down then find any e) local extrema f) inflection points
asked by Olivia on November 25, 2012 
art
I am doing a project on Dawn Dupree. I have to find works she has done. The title of the work and the date completed. I have tried to find this information but have had no luck. Please help, deadline for project has now been set.
asked by mitchell on October 2, 2008 
help chem quick question!
I have to find a food label that has horrible chemicals in it (such as dextrose). I am supposed to find 2 food lables with the nastiest labels.? What foods would be a good choice?
asked by Samantha on April 18, 2011 
calculus
Let R be the region in the first quadrant that is enclosed by the graph of y = tanx, the xaxis, and the line x = π/3 h. Find the area of R i. Find the volume of the solid formed by revolving R about the xaxis
asked by Naseba on April 4, 2012 
US History
I'm trying to find what the "Enabling Bill" is. We are talking about the Missouri Compromise, Monroe Doctrine and treaties in the 1800's but the only thing I can find is the Enabling Act of 1933. Please help.
asked by Sue on March 10, 2014 
history
Hi. I was wondering if someone could help me find information on historical masquerade balls and how they were traditionally held. I can't seem to find any information anywhere. Just modern party supplies kinda junk. Thanks!
asked by Susan on May 17, 2008 
Physics
1. A concave spherical mirror has a radius of curvature of 29.4 cm. The object distance is 5.7 cm . Find the magnitude of the image distance. Answer in units of cm. 2. Find the magnification.
asked by Jack on April 27, 2018 
algebra
Can you explain to me how I have the answer put how do I find out how to find the right answer the question is what is an equation of the line in slope intercept form answers are y=2 x2, y=2 x2, y=2 x+2, y=2 x+2 want to know how to do them. Got to draw
asked by snow on March 4, 2014 
Math
In my schoolwork, they want me to find out the perimeter of a rectangle. I found out that the sides of the triangle was 3 forths of an inch and the top was 3 inches. I forgot how to find out the perimeter and the area. Could you please help?
asked by Lousianagirl on January 19, 2011 
maths
the ratio of the area of two rectangles fied is 25/9 (a)find the ratio of their length (b)the small field is 20m long find the corresponding lenth of the larger cone
asked by Anonymous on March 15, 2016 
slope and graphing
The lines y=5/12x and y=4/3 are drawn in the coordinate plane. Find the slope of the line that bisects these lines. How? Do we find the average? Do we build isosceles triangles?
asked by Knights on March 10, 2013 
Algebra
I have the answer, but don't know the procedure. The question is: Find the values of C and D if c/(x2) + D/(x+1) = 6x/(x^2x2) The answers are: C= 4, D=2 HERE IS MY WORK: Well, I know that we can add the left side and the denominators become the same.
asked by Sam on January 4, 2008 
Math
For each of the following, find the parametric equations of the line that passes through the point P with direction vector d. In each case, find two points on the line different from P. a) P(1,1) d=(4,4) b) P(5,0) d=(1,3) answer at the back of the book
asked by Steffy on March 23, 2009 
calculus
Find a parabola of the form given below that has slope m1 at x1, slope m2 at x2, and passes through the point P. y=ax^2 + bx + c m1 = 8, x1 = 11 m2 = 7, x2 = 9 P = (5,7) y = ? I don't know where to begin. I can't find anywhere in my textbook that teaches
asked by Gabe on February 1, 2010 
PreCalculus
Find the area of the triangle. Round to the nearest tenth. B= 42.8° a= 12.7 c= 5.8 I found b by using the Pythagorean theorem and got b= 11.298 but I don't know what to do next after this. I would find the altitude but I don't know angles A and C?
asked by Vincent on November 29, 2009 
College Algebra
4 + 5^6x = 8 (a) Find the exact solution of the exponential equation in terms of logarithms. x = (b) Use a calculator to find an approximation to the solution rounded to six decimal places. x = can any body help me out here please?
asked by Melany on August 3, 2015 
Populists
Are the populists liberal, reactionary or radical? Are there any websites that can view the different perspectives on populists during the late 1800's? thanks The term liberal, reactionary, and radical are not very useful for describing views.
asked by Gerald on January 4, 2007 
physics
a golf ball is observed to hit the ground 800 ft. away after a flight of 5 seconds. Assume that the ground is level and neglect friction of the air. Find the angle of elevation above the ground of the initial motion of the ball, find the initial velocity
asked by Doug on July 28, 2015 
Statistics
The number of books sold over the course of the threeday book fair were: 365, 303, 401. Assume that samples of size 2 are randomly selected with replacement from this population of three values. a. List the different possible samples, and find the mean of
asked by Elizabeth on July 20, 2015 
new tech
Analyze the chemical reactions that take place when a biological catalyst combines with a reactant (Subtracts) to form an unstable intermediate. I know this has been answered but can not find....was able to get the first part of questions but was stuck on
asked by sarah on May 24, 2011 
English
1. If our reporters find people throw away garbage, they will report them on TV. 2. If our reporters find people throwing away garbage, they will report them on TV. (Which one is correct, #1 or #2? Do we have to use 'find' or 'finding'? Are both OK?)
asked by John on April 2, 2009 
physics
Given that A= 4.00i(hat)+ 10.0j(hat)and B = 3i(hat)5.00j(hat), find the magnitude and directions(i.e., angle with respect to the +x axis) of C= A+B magnitude = 8.6 I cant find out how to find the angle
asked by hannah on February 10, 2016 
Precalculus
The angle of elevation from the end of the shadow to the top of the building is 63 degrees and the distance of 220 feet. 1) Find the height of the building to the nearest foot 2) find the length of the shadow to the nearest foot If 0 degrees
asked by Lucy on August 23, 2008 
Statistics
The length of time it takes college students to find a parking spot in the library parking lot follows a normal distribution with a mean of 4.0 minutes and a standard deviation of 1 minute. Find the probability that a randomly selected college student will
asked by Andy on February 13, 2011 
calc
let f be function given by f(x)= Ln(x)/x for all x> 0. the dervative of f is given by f'(x)= (1  Ln(x))/x squared. a) write equation for the line tangent to the graph of f at x=e squared b) Find the xcoordinate of the critical point of f. Determine
asked by sarah on May 19, 2008 
Math for educators
The length of time it takes college students to find a parking spot in the library parking lot follows a normal distribution with a mean of 5.5 minutes and a standard deviation of 1 minute. Find the probability that a randomly selected college student will
asked by Anonymous on June 4, 2010 
Math
If 3000 dollars is invested in a bank account at an interest rate of 6 per cent per year, find the amount in the bank after 12 years if interest is compounded annually Find the amount in the bank after 12 years if interest is compounded quaterly Find the
asked by tony on July 13, 2011 
personal finance
Sue and Tom Wright are assistant professors at the local university. They each take home about $42,000 per year after taxes. Sue is 37 years of age, and Tom is 35. Their two children, Mike and Karen, are 11 and 9. Were either one to die, they estimate that
asked by sistagirl on August 4, 2010 
personal finance
Sue and Tom Wright are assistant professors at the local university. They each take home about $42,000 per year after taxes. Sue is 37 years of age, and Tom is 35. Their two children, Mike and Karen, are 11 and 9. Were either one to die, they estimate that
asked by andy on June 27, 2010 
adult education
Sue and Tom Wright are assistant professors at the local university. They each take home about $42,000 per year after taxes. Sue is 37 years of age, and Tom is 35. Their two children, Mike and Karen, are 11 and 9. Were either one to die, they estimate that
asked by Peekay on April 4, 2010 
Quantitative Analysis for Business
The ages of a group of 50 women are approximately normally distributed with a mean of 48 years and a standard deviation of 5 years. One women is randomly selected from the group, and her age is observed. A) Find the probability that her age will fall
asked by Silvia on May 14, 2013 
maths
y is partly constant and partly varies as the cube of x given that whenx=1,y=5,andx=2,y=1 find the relationship betweenx and y hence find the value of y when x=3
asked by john on September 6, 2008 
Math  Domain and Asymptotes
Given the following rational function: f(x) = (x^2 + 6x  8) / (x – 5) (a) state the domain. (b) find the vertical and horizontal asymptotes, if any. (c) find the oblique asymptotes, if any.
asked by Greg  PV on June 9, 2011 
Math  Algebra II
Hello, i'm currently doing functions and I was fine until I got to multiplication. I really don't know what i'm doing, and would really appreciate a step by step on a few questions. f(x) = 3x + 9 g(x) = 8x + 7 Find g(f(x)) I got 24x + 16. Another : f(x)
asked by Jess on April 28, 2009 
maths
y is partly constant and partly varies as the cube of x given that whenx=1,y=5,andx=2,y=1 find the relationship betweenx and y hence find the value of y when x=3
asked by john on September 6, 2008
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