
Calculus
Find dy/dx at the point (3, 1) for the equation x = y^39y^2+5. A. 1/17 B. 1/13 C. 1/15 D. 1/17 E. 1/15 I posted this question before with a typo, but the point still doesn't appear to be on the graph of the function.
asked by Anonymous on November 1, 2016 
math
I need some help, Find the surface area of the cone. Use 3.14 for π This is a cone with a: Radius 8in Slant Height 7in
asked by Kal on March 19, 2019 
Physics
Find the mechanical energy of a blockspring system having a spring constant of 0.93 N/cm and an oscillation amplitude of 4.2 cm.
asked by Javan on December 5, 2011 
Math
A peice of ribbon 63cm long to be cut into two peices in ratio 2:5.find the length of each peice ?
asked by shashi on February 21, 2017 
maths
A rectangular feild 15m long and 9m. Width it has apath 1.5m width all around it find the area of the path
asked by suchitrs on February 22, 2017 
Math
Let L be the line whose equation is Re(z) + Im(z) = 2. Find the equation of the inversion of L, expressed in terms of a complex variable z. Thanks so much! Lexi
asked by Lexi on October 2, 2011 
Unit planning
Where could I find a sample unit that focuses on animals that live in water? The unit should have a literacy focus
asked by Ashley on March 23, 2008 
math
While calculating the mean of 100 students was found to be 40 but when examined by another person it was found that number 53 was taken as 83.Find the correct mean
asked by Sanjog gc on March 11, 2014 
Calculus
Find the formula for a function of the form y=Asin(Bx)+C with a maximum at (0,50), a minimum at (1.5,−4), and no critical points between these two points.
asked by Karku on April 3, 2011 
math
Ads not by this Site For numbers 1013 find 2 pairs of numbers with the given number as their least common multiple. 10. 10 11. 36 12. 60 13. 105
asked by Shohanur on September 26, 2013 
alg2/trig
To the nearest minute, what is the approximate size of the smallest angle of a triangle whose sides are 4,5, and 8? How do I find the angle?
asked by Judy on January 28, 2010 
PHYSICS
V R 5, L 1.2KG, HEIGHT 10M WORK INPUT 800J FIND THE USEFUL OUTPUT, EFFICIENCY, M A (TAKE G=10M/S )?
asked by JAMES HARUNA on May 14, 2017 
Math
In the figure, > BD is the angle bisector of
asked by Matt on January 27, 2016 
Algebra
How do you find the zeroes of the 1/2x^3x? I factoried it so it would be 1/2x(x^2)x. The one zero would then be zero, which matches with my book's answer. But I have no idea how my book got +/ the sq. root of two for the other one. Can you demonstrate,
asked by Anneliese on November 3, 2009 
Alg 1
Completing the square: Find the value of c such that each expression is a perfectsquare trinomial. p^2  11p + c Is the answer 30.25? If not, please explain. Thanks
asked by Jane on April 13, 2013 
geometry
The measure of the supplement of an angle is 42 more than twice its complement. Find the original angle (to the nearest tenth if it is not a whole number).
asked by Anonymous on November 3, 2010 
Math
An account earns simple interest. Find the annual interest rate. I= $30 P= $250 t= 3 years
asked by Galaxie on March 14, 2019 
geometry
An isosceles trapezoid has base angles equal to 45 and bases of lengths 6 and 12. Find the area of the trapezoid.
asked by john on March 8, 2011 
Calculus
Find the formula for a function of the form y=Asin(Bx)+C with a maximum at (1.5,1), a minimum at (4.5,−11), and no critical points between these two points.
asked by Ashton on November 12, 2018 
Calc I
with finding the area under a line i need to find anti derviatives for: e^3x dx Cos^4 x Sinxdx e^(x^2) xdx e^x^2 dx Cos(3x)dx
asked by kenny on December 8, 2011 
calculus
Find the volume that remains after a hole of radius 1 is bored through the center of a solid sphere of radius 2.
asked by Jane on December 8, 2011 
math
the graphs of the three equations below form a triangle. find the coordinates of the triangle's vertices. 4x+y=1 2xy=5 3y+3x=12 show work.
asked by kms on May 22, 2017 
Algebra
A rectangle has a width of 2(square root of 5)and an area of 50 cm^2. Find the length of the rectangle. Does anyone know how to explain this problem?
asked by Casey on April 1, 2008 
geometry
Lines a and b are parallel. Line c is a transversal. Find the measures of all angles formed by a,b, and c, if: one of the angles is with 70° larger than the other one.
asked by henry on November 14, 2018 
Chemistry
If the back of your hand is moistened with alcohol, you will find that it rapidly becomes dry ,But if we do so with water it does not get dryer rapidly . Why?
asked by Sakshi on May 23, 2017 
math
Find the absolute maximum value and the absolute minimum value, if any, of the function. (If an answer does not exist, enter DNE.) f(x)=x^3+3x^21 on [3,1]
asked by Britney on November 7, 2012 
Math
Find the arc length of y = x^4 from the origin to (1, 1). Answer in length units, correct to two decimal places, please.
asked by Beth on December 4, 2011 
Physics
If the wave is propagated in vacuum and covered a distance of 4.3m along the xaxis in 10seconds. Find it displacement along the yaxis.
asked by Ifeoluwa on January 11, 2016 
social studies 8th grade
Can you please help me find an accurate map of The Treaty of Fontainebleau 1762? I am trying to complete a project and want to make sure it is accurate
asked by Reed on April 13, 2013 
PreCalc
Consider the function(7+15x^2)/(10x^2+9x+10). Find the function's domain and identify any horizontal and vertical asymptotes Please Help!
asked by BJ on September 23, 2010 
maths
Hi Please can you help? Find the particular solution of the differential equation from dy/dx=2/27(x3)ã(x^26x+23) / (y) (y>0. for which y = 2 when x = 1, and then give this particular solution in explicit form? thank you in advance for any help regards
asked by Claire on March 30, 2011 
geometry
radius of 3960 miles cause there 5280 feet find length in feet by circumference of earth use ~3.14
asked by tie on September 20, 2010 
chemistry
I did a lab about melting point. It is asking me for the purity of the compounds? How do I find it? Do I use melting points or percent yield?
asked by Yoo on October 5, 2010 
math
Find the area of a square that has the same perimeter as a rectangle whose length is 48m and the ratio of length to the breadth is 3:1.
asked by Parben Alam Khan on July 18, 2016 
Maths
A rectangle is 5cm longer that it is broad. It perimeter is 26cm. Find the length and breadth of the rectangle
asked by Mutiat on December 3, 2015 
Calc
A certain item sells for $30. If the cost of producing this item is given by C = .05s^3 + 100, find the marginal profit when x = 10.
asked by Leslie on December 3, 2010 
Physics
A proton is at the origin and an electron is at the point x = 0.41 nm, y = 0.36 nm. Find the electric force on the proton. I got 7.529 *10^11 but it wants the answer for fx and fy how do i get that?
asked by Josh on August 6, 2009 
MATHEMATICS
How do you find the average deviation from these numbers: 290 , 270 , 250 , 300 , & 290. I think their mean is 280
asked by DAN on April 9, 2012 
geometry
a rectangle PQRS inscribed in a quadrant of circle of radius 13cm. find area of rectangle.
asked by rahul on February 7, 2013 
math
a cone has a circular base of radius 16cm and a volume of 420cm2.find the height of the cone.
asked by abdullah on October 5, 2016 
math
the position vectors of the point A,B & C respect to O are a=3i2j+4k, b=i+3j4k, c=2i+5j3k. Find a)the angle between a+b and ab b)lamdar if vector a is perpendicular to b+lamdar k.
asked by yuni on December 24, 2011 
math
The region in the first quadrant bounded by the 𝑦axis and the curve 𝑥 = 2𝑦2 − 𝑦3 (graph please) is revolved about the 𝑥axis. Find the volume?
asked by ANON on July 17, 2016 
Algebra
For the polynomial function, (a) list all possible rational zeros, (b) find all rational zero, and (c) factor f(x)! f(x)=6x^3+13x^2_41x+12
asked by Georgette on December 4, 2015 
math
i have a question in math (( distance between two points )) the vertices of a right triangle are S(2,2), T(10,2), and R(4,5). find the area of the triangle. please in detales .. thank u
asked by mota on November 9, 2007 
geometry
the diagonals of a rectangle are 8 units long and intersect at a 60 degree angle. find the dimensions of the rectangle
asked by kathy on February 9, 2013 
Math
I know I posted this yesterday but I really do not understand this and I did not quite understand the comment on what to do. Find the real solutions of the equation. x = 2 sqrt6x36
asked by Hannah on September 20, 2010 
probability
If you pick a number completely at random from the natural numbers between 1 and 42, find the probability that the number is a multiple of 3.
asked by Anonymous on October 4, 2010 
PreCalculus
The side of a rhombus is 15 centimeters long, and the length of its longer diagonal is 24.6 centimeters. Find the area.
asked by Mindy on October 4, 2010 
Calculus 2
Sketch the region in the first quadrant enclosed by y=7/x, y=2x, and y=x/2. Decide whether to integrate with respect to x or y. Then find the area of the region.
asked by Henry on February 9, 2016 
physics: mechanics and heat
Two strings support a small 8kg body. find the tension in the strings if they both make 30° with the vertical.
asked by dda on October 2, 2016 
math
A cuboid has a square base of side 18cm.The height of the cuboid is 10.4cm.Find its volume
asked by kimi on September 5, 2011 
maths
for the curve y=(x^2+1)/(x^24), find: (i). The cordinates of the turning points (ii). The equations of the asymptotes (iii). Sketch the curve
asked by changaya on October 9, 2013 
MATHS
THE AVERAGE MARK OF 4 GIRLS IN A SCIENCE TEST IS 6,THE MARKS OF 3 OF ZM ARE 5,7,4.FIND THE MARK OF THE 4TH GIRL.
asked by EZRA on July 19, 2016 
calculus
let R be the region of the first quadrant bounded by the xaxis and the curve y=2xx^2. Find the volume produced when R is revolved around the Xaxis
asked by Jens on April 8, 2012 
calculus
Find the equation of a parabola with vertex(5,3)and the axis of symmetry is parallel to the yaxis and pass through the point(9,5)
asked by sean on March 7, 2012 
trigonometry
if tan theta= 1/2, find the exact values of the five remaining trigonometric functions for theta, which is acute
asked by Anonymous on July 17, 2016 
Statistics
I need to find the measures of spread and center for each data set in a problem I am doing. How do I do that? Also, is the center the mean(average)? Or the median?
asked by Jill on March 6, 2012 
algebra
the length of the top of a table is 6 m greater than the width. the area is 91m^2. Find the dimensions of the table.
asked by jane on December 19, 2010 
Chemistry acids/bases
Find the concentration of OH of a solution of 45.0mL of 0.0921 M Ba(OH)2 diluted with enough water to make 350.0 mL of solution.
asked by Jessica on February 12, 2014 
MATHS
The compound interest on a certain sum for 5/2year at 5%per annum compounded annually is rs416.20.find the sum
asked by Vasif ansari on June 18, 2017 
ALGEBRA 1 help
If three times a number is decreased by 5, the result is 7. Find the number. IS THIS RIGHT ? 3x 5 = 7 +5 +5 __________ 3x = 12 ___ ____ 3 3 x=4 IS THIS CORRECT
asked by Satnam on December 30, 2011 
math
tori gates are often found in japan where they originated. what kinds of solids can you find in a tori gate?
asked by tracy on January 4, 2011 
Chemistry acids/bases
Find the concentration of OH of a solution of 45.0mL of 0.0921 M Ba(OH)2 diluted with enough water to make 350.0 mL of solution.
asked by Jessica on February 12, 2014 
MATH
Find the area of a circle with the given radius or diameter. Round your answer to the nearest tenth. Diameter = 42.0 mm
asked by Cindy on February 12, 2014 
MATLAB
Find the value of x (to 2 decimal places) when y is a minimum, using a while loop. Format the answer, e.g., "At x=ii.ii, y=jj.jj is a minimum". Plot the function. y = x^2  4x + 2
asked by Matt on April 6, 2011 
PHYSICS
A Solid Cube Of Steel Has Each Side 10cn Long.Find Its Mass If The Density Of Steel Is 6.5g/cm
asked by Dan on November 29, 2015 
please help me.. physics
A 1.30 kg mass is suspended from a spring, with a spring constant of 135.0 N/m. Find the driving frequency which would cause resonance.
asked by Nina on February 12, 2014 
physics
A car accelerates uniformly from rest to a speed of 55 km/h (15 m/s) in 14 s. Find the distance the car travels during this time.
asked by Girl on October 8, 2011 
geometry
A rectangle has a perimeter of 98 feet. The lenght is 8 feet longer than double the width. Find each Dimension.
asked by Angie on April 22, 2008 
Math
In a parallelogram a diagonal of the length 20 cm is perpendicular to one of the sides. Find the longer side of parallelogram if its perimeter is 80 cm.
asked by Sam on March 3, 2019 
math
a cone has a circular base of radius 16cm and a volume of 420cm2.find the height of the cone.
asked by Anonymous on October 5, 2016 
chemistry
How would you find the empirical formula for this... a substance was found by analysis to contain 20% by mass calcium and 80% by mass bromine.
asked by Jamie Marie on October 29, 2009 
MATH Algebra
find the polynomial for the perimeter and for the area x+6 is listed on top a x is listed on left side of a rectangle
asked by Anonymous on September 12, 2009 
Math
Salem and Eugene,Oregon, are 64 miles apart.If the distance on the map is 3 1/4 inches, find the scale of the map.
asked by anonymous on October 10, 2013 
Chemistry
how do i find total pairs shared pair and lone pairs after creating the Lewis Structures
asked by Lola on November 11, 2010 
Algebra
The length of a rectangular garden is 4 m greater than the width. the area is 77m^2. find the dimensions of the garden.
asked by Chrissy on February 6, 2013 
womens studies
Hello, I need to look up some research and I need to find a country other than the congo that I can add something about how the country goes along with Vday where they stop violence and rape. thanks
asked by chris on November 9, 2007 
Math
Use the diagram below. Write an equation using the angle measures shown. Then, find the measures of LAVB and LBVC
asked by Ashley on October 5, 2016 
Math
I am confused with rule of pattern 1,3,6, I figured out 10 is the next number Rule: find the difference and add 1 to the next item
asked by Sandy on October 14, 2013 
math
a bag containing 3 red marbles, 2 green ones, 8 white ones, and 1 purple one. She grabs 3 of them. Find the probability that she has at least 1 green one.
asked by Anonymous on August 4, 2009 
math
Verify that f(x) = x^3 − 2x + 6 satisfies the hypothesis of the MeanValue Theorem over the interval [2, 3] and find all values of C that satisfy the conclusion of the theorem.
asked by Ronnie on December 19, 2010 
maths
A die is rolled 12 times. Find the chance that the face with six spots appears once among the first 6 rolls, and once among the next 6 rolls.
asked by anonymous on April 27, 2013 
math
Find the radius of the circle if an arc of length 8 ft on the circle subtends a central angle of 225°
asked by grace on December 8, 2015 
Maths
find the area of equilateral triangle with measure of side area a,b, c by using multiple double integration
asked by Mevada Gopal on December 20, 2015 
PreCalculus Help, thanks:)
Find the domain of f(x) = 1/ (square root 2x^27x15) I tried setting 2x^27x15 greater or equal to zero but I don't know where to go from there to solve for my domain. Help please!:)
asked by L.Bianchessi on March 11, 2012 
math
find the principle that will yield a compound interest of rs1632 in 2 years at 4% rate of interest per annum
asked by hdh on February 12, 2017 
Networking
I was wondering if when I posted my paper, everyone would help me proof it and help me find references, I've done most of it by memory, and what I would do situations, but I need references. If you would that'd be awesome
asked by Nicholas on November 1, 2010 
math
the diagram shows triangle ABC point c has coordinates (4,7) and the equation of the line AB is x+2y=8 find the coordinates of B
asked by Gynie on December 15, 2015 
physics
What equation do I use to find this? Thanks The x and y components of a certain force are measured and found to be Fx = 68 ± 3N and Fy = 42 ± 2 N, respectively. Calculate the error associated with the magnitude of this force?
asked by Timothy on September 26, 2016 
Pigskin Geography
For numbers 13 and 14 on week 8 I cannot find how much larger houston is than buffalo and how much larger minneapolis is than Green Bay. Please Help!!! Thanks:)
asked by LALA on November 1, 2009 
Calculus
During the initial stage of launching a spacecraft vertically, the acceleration a(in m/s^2) is a=6t^2. Find the velocity in the spacecraft after 6 seconds.
asked by Anonymous on February 3, 2016 
maths quartic equation need help
the quartic equation x^4+2x^3+14x+15=0 has equal root of 1+2i find the other three root help me show step plz
asked by philip on September 26, 2016 
Maths grade 8
Help how do I find "one exterior angle 180 interior angle" of 6,7, 9, 12 sides please show your work so I can understand thank you
asked by Jay on September 27, 2016 
Calculus
Find the values of x for which the series converges. Sigma (lower index n = 0; upper index infinity) [(x+1)/4]^n
asked by Jenny on February 11, 2013 
Maths  trig
Solve 3cos2x  7cosx = 0, when 0
asked by Rose on October 3, 2010 
precalc
The polynomial of degree 5, P(x) has leading coefficient 1, has roots of multiplicity 2 at x=3 and x=0 , and a root of multiplicity 1 at x=− 2, find a possible formula for P(x).
asked by barney on March 27, 2019 
NARAYANA
a point charge q=8.0nC is located at origin . find electric field vector at point x=1.2m,y=1.6m
asked by B.Y.SARAT on March 31, 2012 
Statistics
Find 3 different research questions and the appropriate data one needs to collect for each, including the level(s) of the data to be collected for each question.
asked by Betty Anne on February 12, 2013 
math
Annual value of property is $12300. Find the property tax payable for a period of 8 months at a rate of 16%?
asked by laiba on December 19, 2015 
statistics
a quiz had 6 questions, each with 4 possible answers (only one of which is correct). If you answer them at random, find the probability that all are correct and at least one is wrong.
asked by tiffany on March 17, 2014
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