
differential Equations
solve the initial value problem and find the interval of existence... cos(y) dy/dt = t sin(y)/ (1+t^2) , y(1)=pi/2
asked by George on February 8, 2018 
confidentiality of health information
I need to know where i can find articles on" ethical opinions on computer confidentiality" for medical records
asked by someone needing help on September 13, 2008 
Math please help! Urgent
Find the height of an equilateral triangle with sides of length 6 cm ' please show ur work
asked by Jessica on November 25, 2012 
math
Harold says" to find 6x8 , i can use the facts for 5x4and 1x4." do you agree? explain.
asked by Janessa on October 23, 2012 
NEED THIS URGENTLY SCIENCE.
Sra, i couldn't find an answer to: How do astronauts fix parts of their station (Please Help me Someone!)
asked by Jessica on August 14, 2009 
physics
Find the final speed of the train assuming no friction. Answer in units of m/s
asked by kari on October 13, 2014 
MATH
Find the diameter of a circle with a circumference of 50 mm. Round your answer to the nearest tenth.
asked by Anonymous on February 9, 2013 
math
Give that x is angle in the first quadrant such that 8sin 2x + 2cosx – 5 = 0 Find: cosx tanx
asked by kudu on March 4, 2015 
Algebra
Find the integers from 1 to 144 which are perfect squares and write the square root of each one.
asked by Maddie on February 5, 2013 
Government
I need to write a 3 page paper on American foreign policy with Austria and can not seem to find anything. Can someone help me?
asked by Christopher on July 4, 2010 
Algebra
1. determine whether the equation represents a direct variation , if it does find the constant of the vartion 2y=5x+1
asked by Sarah on November 24, 2015 
math
Find the value of the angle data in degrees rounded to the nearest tenth of a degree.
asked by susie on October 2, 2011 
Integral Calculus
Find the area of the surface generated by revolving the given curve about the yaxis. 8xy^2=2y^6+1 , 1
asked by Akitsuke on September 21, 2008 
Math
Triangle GHI has i= 19 m, H=137 degrees, and I=51degrees. Find g. Happy Thanksgiving.
asked by Tre on November 24, 2011 
Math
The radii of two cylinders 3:2 and height 7:4.find the ratios of their curved surface area.
asked by Simon on February 5, 2013 
calc
Find the area under the curve below from x = 0 to x = 2. Give your answer correct to 3 decimal places. y = 2x  x2
asked by Anonymous on October 28, 2010 
math
23 divided by 6=3.83333333333 the 23 is my points and i divide it to find my gpa how do i round the answer
asked by jr on October 22, 2012 
Chem
I need to find the Kb of Analine. I've been told the ph is 8.81 and that the concentration of the solution is 0.1 mol/L. What would be the equation I'm working with :S ?
asked by Lena on July 26, 2009 
calc
find the absolute maximum and minimum for f(x) = x+ sin(x) on the closed interval [0, 2pi]
asked by chrissy on November 26, 2012 
Geometry
"Find the perimeter of the figure, where AC=26, AD=BF, and D is the midpoint of AC. Round your answer to the nearest tenth."
asked by James on March 16, 2017 
calculus
Use polar coordinates to find the volume of the given solid. Inside the sphere x^2+y^2+z^2=25 and outside the cylinder x^2+y^2=1
asked by siri on October 18, 2014 
math
A number is chosen at rendom from 150. Find the probability of selecting numbers greater than 19.
asked by Vanessa on February 4, 2013 
math
I find the mode in the set of data. i add them together. After that do i divide them by 2 or do I leave the numbers????
asked by skyler on September 6, 2007 
calculus
Find a point c satisfying the conclusion of the Mean Value Theorem for the following function and interval. f(x)=x^{ {6}}, \qquad[1, 2] c =
asked by sze on January 26, 2018 
AP chemistry
What is the heat of formation value for AQUEOUS phosphoric acid (H3PO4)? I can only find it for liquid. thank you
asked by billy on November 6, 2011 
math
23 divided by 6=3.83333333333 the 23 is my points and i divide it to find my gpa how do i round the answer
asked by jr on October 22, 2012 
Math 117
Find the vertex, line of symmetry, and the max/min value of f(x). Graph the function. f(x)=3(x+1)^2+3
asked by Sabrina on September 19, 2010 
Math natural logarithms
The efficiency e of a gasoline engine as a function of its compression ratio r is given by e =1− r^(1−γ) , where γ is a constant. Find γ for e = 0.55 and r = 7.5
asked by barry on May 16, 2015 
Calculus
Find those values of x at which the tangent line is horizontal to the curve y=xsqrt22cosx
asked by Eileen on July 1, 2010 
trig
Triangle XYZ has vertexes at X(4, 5), Y(3, 5), and Z(3, 4). Find the measure of angle Y to the nearest degree.
asked by Parker on October 1, 2011 
calculus
Find the limit. Use l'Hospital's Rule if appropriate. If there is a more elementary method, consider using it. lim x→0 (e^x − e^−x − 2x)/(x − sin(x))
asked by christina on March 17, 2017 
Maths
on a graph of 2x^2 7+5 use equations to find the vertex point ,roots and asis of symmetry
asked by Anonymous on August 5, 2009 
college algebra (average rate of change)
Find the average rate of change of g(x) = 2x2 + 36x  142 on the interval from x = 5 to x = 10.
asked by Brianna on November 6, 2011 
calculus
Use iterated integral to find the area enclosed by r=2sin2(theta). How do i graph this?
asked by Jean on October 15, 2014 
PreCalculus
How do I find the minimum or maximum of this y = 2x³ + 3x²  12x? It makes 2 curves.
asked by Peter on August 11, 2012 
Algebra Help
Determine without graphing, whether the given quadratic function has a max value or min value and then find the value. F(x)=2x^2+16x1
asked by Anonymous on October 15, 2014 
ALGEBRA
Find the speed at which water travels in a pipe if the height is a. 5 cm b. 8 cm c. 18 cm Use the formula v^2=1960(h + 10)
asked by HELP US on August 12, 2012 
Physics 202
Find the period of a satellite with a circular orbit 350 above Earth's surface.
asked by Tamar on February 7, 2013 
business
im trying to look for do look alike glucose meter affect business. Its obviously yes but its so hard to find on google?
asked by flame on July 3, 2010 
Math
A man goes 7m east and then 24m to south. Find his distance from the starting point
asked by Jon on December 28, 2016 
science
find the no. of electron transferred between two ppints kept at a potential difference of 20V if 40 J of work is done
asked by sandeep on May 15, 2015 
trig equations
Find all solutions (if they exist)for the given equation on the interval [0,2pi) cos^2x5sinx+5=0
asked by Elan on March 4, 2015 
Math
Find sec θ and csc θ. If tan θ =3 and cos θ>0. Please helpp, i don't get identities
asked by Oscar on February 6, 2013 
Math
A sheet metal plate has the length of 147.5 mm and a width of 86.5 mm. Find its area in m^2.
asked by Keisha on August 3, 2009 
factoring polynomials help?
16x^41 4x^4+39x^210 find the real number solutions of these equations. 3x^4+15x^272=0 x^3+2x^2x=0 Thanks!
asked by Skye on November 6, 2011 
Applied Calculus......
Use the method of bisection to find the root of the equation x^5 + 3x − 7 = 0 accurate to two decimal places.
asked by Jacob on February 4, 2013 
geometry
in an isosceles triange with base angles at (0,0) and (7,0), how do I find the coordinates of the 3rd angle?
asked by mary on November 27, 2011 
Math
Find three consecutive odd integers such that four times the middle integer is two more than the sum of the first and third.
asked by Anissa on March 6, 2017 
Algebra 1
If your given points like (3, 2) (7,6) and are told to find the line perpendicular to the point (9,8) how could you solve it without graphing?
asked by Anonymous on February 16, 2011 
Algebra
Find all positive integer values of c such that the equation x^27x+c=0 only has roots that are real and rational.
asked by Trish Goal on November 12, 2014 
math
find an accumulated value of investment of $5000 at 9%compound continuously for 6 years. Use formula A=P(1+r/n)^nt and A=Pe^rt
asked by john on March 3, 2009 
math
Use the sum or difference indentity to find the exact value of tan 105 degrees.
asked by Kara on June 9, 2009 
precalc/trig
Find the trigonometric form of the number. (Round any angles to two decimal places.) −8 − i
asked by Alex on November 29, 2011 
computers
ok so my mom put a password on our computer so we won't get on can someone help me i what to find out how to get in we was windows xp home.....
asked by k.k on December 4, 2008 
Math Trigonometry
A man is 6 ft. tall casts a shadow of 8 ft. find the angle of elevation of the sun.
asked by Shelou on June 18, 2015 
Science
How do I find how many seconds that pass between wave crests when I have the Frequency = 0.5 Hz Wavelength = 6 meters Thanks
asked by Mom on November 12, 2014 
calculus
find the dimensions of the rectangle of maximum area that can be inscribed inside the ellipse (x/4)^2+(y/3)^2 = 1
asked by Laura on February 8, 2011 
Algebra
Pretend the parentheses are absolute value bars. Find the domain and range of y = 1/4(x) + 1 How would I figure this out? Thank you so much!
asked by Delia on June 8, 2009 
Calculus
Find the slope and yintercept of the line through the point (6,2) that cuts off the least area from the first quadrant.
asked by Emily on November 26, 2017 
math
find the domain & range of each relation & identify any relations that define functions y=3(x+1)^25
asked by confused on September 15, 2010 
Math Trig
Find all solutions on the interval [0,2pi] for the following: 2sin^2(x)5sin(x)=3 cos^2(x)+sin(x)=1
asked by Kelly on March 14, 2011 
Calculus
Use integration by parts to find the given integral: ∫_9^1 (7t  42)e^(7  t) = [28(1 + e^8)] / e^2 Is my answer correct? or... is it.. = 70e^(2) + 14e^6
asked by Anonymous on March 3, 2009 
Math help please!!!!!!
Given a scale factor of 1/2,find the coordinates for the dialation of the triangle with vertices as (0,0),(0,2), and (4,0). A.(0,0),(0,4),(8,0) B.(0,0),(0,1),(2,0) C.(1/2,1/2),(1/2,1),(2,1/2) D.(2,2),(2,4),(8,2) Is the answer B?
asked by Callie on November 13, 2014 
Maths
The area of rhombus is 148.8 square cm.if one of its diagonal is 19.2 cm,find the length of the other diagonals.
asked by Nina on January 17, 2017 
Math
How many rectangles can be drawn with 38 cm as perimeter? Also, find the dimensions of the rectangle whose area will be maximum.
asked by Tanay on March 5, 2017 
math
show 2 ways of using the distributive property to find the product of 125 times 32
asked by tania on January 18, 2013 
Algebra
Find an equation of the line having the given slope and containing the given point. Express your answer in the form x=a,y=b or y=mx+b; with m=8,(7,0)? how do I do this?
asked by A.W. on March 2, 2009 
precalculus
given that x is in quadrant 1 and that sin x = 2/3, find exact values for: is this correct? 1) sec (30° + x) = 3/√15 2) cos (1/2 x) = √(√5)/2
asked by o on October 28, 2015 
Social Studies
Hi, I was wondering how I could find out the number of U.S. immigrants from Greenland, either each year or total. Thank you so mmuch.
asked by Emmalene on March 1, 2009 
matha
Please I am lost on how to find the derivative of function using first principal,could someone please work out an example on how to solve such problem?
asked by yanifa on June 4, 2017 
ap calc
the curve y=ax+ b/x has a relative minimum at the point (1,4). find the values of a and b. please help. I have no idea how to solve this.
asked by Anonymous on November 9, 2014 
Percent algebra help?
1.44 Tax on an item priced at 24.00? How would I solve this? I need to find the percent? Would I just divide 1.44/24.00? Thanks Allyson
asked by Allyson on October 25, 2010 
MAth
The sum of four consecutive integers is at least 114. Find the smallest possible values for these numbers. HOW YOU DO THIS?
asked by TRACY on December 25, 2011 
Math
Explain how to find 14 x 19 by breaking apart the factors in tens and ones and finding the sum of the four parts
asked by Prince on January 21, 2013 
AlgebraGraphing
I need to find the vertex, axis of symmetry, and if the graph will open upward or downword f(x)=3x^25
asked by MiNdy on November 2, 2011 
college algebra
use the given zero to find the remaining zeros of the function h(x)=x^415x^3+60x^2+70x816 zero: 53i
asked by ALLI on September 5, 2012 
math
write an equation that I can use to find the distance I can drive on any number of gallons of gas
asked by james on October 29, 2015 
AP CALC
the curve y=ax+ b/x has a relative minimum at the point (1,4). find the values of a and b. please help. I have no idea how to solve this.
asked by Anonymous on November 9, 2014 
linear algebra
Find the scalar equation for the plane passing through the point P=(0, 2, −1) and containing the line L defined by x = 2+t y = 4+t z = −6+7t
asked by Angel on December 2, 2017 
Geometry
Find the distance between the lines with the equations y = 3/2x+4 and −3x+2y = −1. Round your answer to the nearest tenth.
asked by Sam on October 29, 2015 
Math
The sides of two squares are 4cm and 6cm. Find the ratio of their areas and their perimeters.
asked by Anonymous on January 17, 2017 
Math Help!!
Find all points of the graph of y=7x^2+7x whose tangent lines are perpendicular to the line 49y=x
asked by Andrew on December 1, 2017 
chemistry
23 grams of NaOH is dissolved in 1.5L of water, find; a)Concentration of the solution b)pOH c)pH
asked by Patrick on January 20, 2013 
geometry
find the measures of the interior angles.. (triangle) 110x , 3x10, 2x write equation too .
asked by Shelby on November 2, 2011 
university mathematics
Integration Applications: find the area enclosed by the following curves: Y= lnx and y= 2x+3 and the ordinate x=3
asked by Avi on November 2, 2011 
Math
Find the difference of the largest and smallast numbers formed by using all the digits 0,5,6,7,8 with no digit used twice.
asked by Ishfaq on January 17, 2013 
Mathematics
Find the smallest positive integer which ends in 17, is divisible by 17, and whose digits sum to 17.
asked by unowen on November 24, 2017 
Calculus
Find the equation of the line tangent to the function f(x)= square root of (x^3 + 4x) through the point (2,4)
asked by Tom on November 14, 2014 
mathsurgently needed
find the vector and the cartesian equation of the line passing through (1,2,3) and parallel to the planes xy+2z=5 and 3x+y+z=6
asked by Anonymous on January 15, 2013 
mathsurgently needed
find the vector and the cartesian equation of the line passing through (1,2,3) and parallel to the planes xy+2z=5 and 3x+y+z=6
asked by Anonymous on January 15, 2013 
corporation
plz help how can i find out if a company cannot change the constitution can the campany take share from Directors
asked by sarah on May 4, 2007 
Math
After deducting10% from sum and then 20% the remainder₹3600 are left.Find the original amount
asked by Prateek on June 8, 2017 
Physics
Find speed of sound in air if distance is 170 meters and time is 1.1 second
asked by Anonymous on March 4, 2017 
11th grade math
The equation Ax^2 + 4y^2 = 16 represents an ellipse. Find all values of A such that its intersection with y = x has coordinates (x,y) which are integers.
asked by Andy on December 19, 2010 
chemistry
In a 100g sample of copper, 69 g were Cu63 while 31g were Cu65. Find the average atomic mass.
asked by Kevin on October 14, 2012 
Math
One angle of a parallelogram measures 80degree. Find the measure of each of it's remaining angles.
asked by Vishakha on November 12, 2017 
algebra
Find the accumulated value of a CD of $20000 for 3 years at an interest of 3.1% if the money is compounded continously.
asked by Brad on November 30, 2012 
physics
A football is kicked with an initial velocity v=9i+12j. Find the speed in (m/s) of the ball after 2.4s A) 9.2 B) 10.8 C) 12 D) 15
asked by HEMANT on October 18, 2015 
physics
A 4.53 kg particle has a velocity of vx = 3.98 m/s and vy = −3.16 m/s. Find the magnitude of its total momentum. Answer in units of kg · m/s
asked by Alejandra on November 20, 2014 
math
Find the values of c so that the intersection of y=x+6 and y=x/3+c lies strictly in the first quadrant (not on a coordinate axis).
asked by Janice on March 13, 2011
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