
mathematics
given tanθ= 2√10/3 and π/2
asked by Yuli on November 21, 2011 
Pre Calculus
find the real zeros of the polynomial: P(x) = 24x^3  76x^2 + 2
asked by Shellie on July 21, 2009 
math
in rhombus ABCD AC=16cm, AB=10cm, find its area
asked by harkomal singh on August 27, 2016 
basic calculus
find a appropriate formula for the area of a narrow circular ring
asked by elijeh on January 31, 2017 
Math
How do you find the exact value of: 4sin 60degrees  3tan 135degrees
asked by Megan on January 10, 2012 
math
find the exact value of cos(pie/3)+ sin (7pie/4)
asked by pete on July 21, 2009 
Math
Use the half formula to find the exact value of the expression sin 22.5
asked by Cassie on November 19, 2007 
Calculus
Find the magnitude and direction angle of p=42i+35j
asked by Elise on February 4, 2017 
trig
find the remaining 5 trigometric functions of x cos x = 1/5, x in quadrant 1
asked by rica on November 4, 2009 
Chemistry
Find the concentrations of all species in a 0.10mol/l solution of NaOH
asked by Buck on May 31, 2016 
Calculus
Find all points at which the graph of f (x) = x^3 −3x has horizontal tangent lines.
asked by Katrina on August 23, 2011 
maths
find the mean number of heads in 3 tosses of a fair coin?
asked by Anonymous on February 3, 2013 
math
Solve variation problem if m varies jointly as z and p, and m=10 when z=2 and p=7.5, find m when z=5 and p=7
asked by Anne on February 24, 2012 
Trigonometry
The perimeter of an isosceles triangle is 6.6824. find its area.
asked by Roy on September 8, 2012 
Polynomial
Find all real zeros for each equation. 1. f(x)=x^33x^24x 2. f(x)= x^6x^2 3. f(x)=x^3+3x^216x48 4. f(x)=9x^437x^2+4
asked by PreCalc on November 17, 2015 
calculus
find the general solution to the differential equation. dy/dx=secxtanxe^x
asked by Anonymous on February 25, 2011 
Math
find breaking the numbers down to their prime factors ∛512
asked by donda on August 26, 2016 
algebra
z varies jointly with y and the square of x. If x=2 when y=7 and z=84,find x when z=96 and y=2 I just need help figuring out what equation to use.
asked by brandy on March 11, 2017 
Algebra
Find all numbers for which the rational expression is undefined? 3/9w+7 Can someone help me figure this out?
asked by Noah on February 3, 2008 
calculus
find the work done in winding up a 175 ft cable that weighs 4.00 lb/ft?
asked by seth on November 28, 2011 
Math
Can you help me with this problem Find the inverses of each of the functions below algebraically. a.p(r)=2r2+2r−1 b.3y+5x=18
asked by Tomar on January 16, 2016 
MATHS
Q) Find the coordinates of the centre of a circle that passes through points (7,2), (2,3), and (4,1)
asked by OWNF on February 24, 2017 
maths
Find two natural numbers in ratio 5:7 such that their lives. L C.m. is 210
asked by sanjay on February 3, 2017 
algebra
Essay. Show all work. Find the quotient. 49a^2b^2  7ab
asked by shay on July 21, 2011 
statistics
Find the range and the variance (correct to one decimal place). 78,91,93,93,99
asked by Anonymous on August 25, 2011 
math
In right triangle ABC,BC=8cm and AC=17cm.Find the value of sin C
asked by kim on January 13, 2016 
Calculus
Find the area in the second quadrant bounded by the xaxis and f(x)=sqrt((x^3/8)+1)
asked by Hannah on February 26, 2011 
Math
21x + 6= 17x  26 find x. I keep getting 8 but it isn't the correct answer.
asked by Vanessa on November 23, 2011 
trig
Use a halfangle formula to find the exact value of cos 5ð/12
asked by Steve on December 16, 2009 
Math
Find two numbers a and b whose sum a+b is 1 and whose difference a−b is 5. I do not understand the question
asked by Nathan on February 22, 2017 
math
7x + 5 8x + 9 find the value of x so that both the sum of the equations equal 180 when added together.
asked by sierra on May 25, 2016 
Please helpGeometric series
I need to find the equations of the following, using Ó (and the n=1 which is at the bottom of the Ó) (and infinity is at the top of the Ó) 1) 5/1 + 8/1 + 1/1 + 14/1 + . . . 2) 6/5 + 9/8 + 14/11 + 21/14 + . . . 3) 6/3  4/4  2/5  0 + . . . 4) 9/1 +
asked by Janet on March 29, 2009 
Geometry
Find the perimeter of a square with sides 10 feet long?
asked by Meghan on September 6, 2012 
Math
Use fraction strips to find each sum or difference. Simplify if possible. 2 1/3 + 1 2/3 3 5/6 + 4 3/6 4 6/10+ 5 7/10 1 1/6 + 3 5/6 2 4/9 + 6 7/9
asked by Robert on January 31, 2013 
Math
Consider an account with an APR of 8.5%. Find the APY with daily compounding.
asked by Nate on August 30, 2016 
math
A rectangle has sides of 4x – 4 and 8x + 10. Find the expression that represents its perimeter
asked by Kara on January 30, 2008 
science
i need to find a website that has a picture of hafnium lamp filaments
asked by dylan on February 20, 2012 
Math
Given P(A) = .70, P(B) = .30, and P(A ∩ B) = .00, find (a) P(A ∪ B) and (b) P(A  B). (c) Sketch a Venn diagram and describe it in words
asked by James on January 8, 2012 
trig
find sin of theta if cos is less than 0 and cot equals 3
asked by Kenzie on November 27, 2011 
calculus
If f(x)=x^3. Yhe equation of the tangent line to f(x) at x=4 is y=? Using this, we find our approximation for 3.8^3 is ?
asked by Jenny on November 5, 2009 
Math
Triangle NPQ has q= 95 miles, P = 76 degrees, and Q= 103degrees. Find n.
asked by Kate on November 27, 2011 
mathcalc
function f(x)=3x^22x1 find equation of the line that is tangent and parallel to 8x2y+12=0
asked by shakira on February 27, 2011 
math
write 6/20 in simplest form and find an equivalent decimal?
asked by ryan on March 18, 2011 
geometry
this one is killing me for some reason: Find any of the values of k so that (3, 4), (8,5), and (5, k) are the verticles of a right traingle.
asked by Lydia on July 21, 2011 
4th grade math
Find a rule that gives the third number from the first two numbers. Fill in the blanks.....10, 4, 5, ? 15, 7,7, ? 19,9,?
asked by Kristin on March 17, 2011 
Calculus
Use implicit differentiation to find the second derivative: 2xy^2=4 (nothing is in parenthesis)
asked by Tiffany on October 11, 2009 
C s s oberkom
Find the frequency and period of a spring that makses 60 revolutions in a 10 second
asked by Favour on January 14, 2016 
Algebra
Find the perimeter and area of a rectangle with a width of 2√7  2√5 and a length of 3√7 + 3√5
asked by M on May 21, 2015 
math
Find the exact circumference of a circle with diameter equal to 8 ft.
asked by lisa on January 15, 2012 
Algebra
Find the perimeter of the triangle whose vertices are the following specified points in the plane (2,7) (1,6) and (7,7)
asked by Student on January 13, 2016 
Geometry8th gr
IF 3a =2b and 4b=9c, find the ratio of a to c in simplest form and show steps.
asked by Mona on January 31, 2013 
jkuat
find log30 if log2=0.301 and log3=o.477
asked by karl on October 5, 2016 
math
find the veretx, the line of symmetry, and the maximuym or minimum value of f(x)=(x8)^22 Help
asked by Allison A on November 24, 2011 
Math
Scary guy is going to use 22/7 to find the exact circumference. He is wrong. Why?
asked by Miracle on May 24, 2016 
Math
Find the perimeter of the equilateral triangle whose side 3x square +4x +8
asked by Navinkumar on July 19, 2017 
geometry
Isosceles trapezoid ABCD has legs AB and CD and base BC If AB = 7y – 4, BC = 4y – 6, and CD = 8y – 18, find the value of y.
asked by Ryan on November 25, 2011 
Differential equation Math
Find the general solution of the following system of equation? Please help, i don't know what to do... dx/dt = 3x +2y +2z dy/dt = 5x  4y  2z dz/dt = 5x + 5y +3z.
asked by katie on March 17, 2011 
Physics
Find the pressure at the bottom of a swimming pool that is 1.1 m deep.
asked by m on November 19, 2015 
maths
the circumference of a circle 314cm find the radius and the area
asked by aisha on January 3, 2013 
simultaneousequation help am despirate
find the value of x,yandz in the system equation 2x+yz=8 x^2y^2+2z^2=14 3x^3+4y^3+z^3=195 step please thanks
asked by dam on May 24, 2016 
geometry
Find values of x and y for which ABCD must be a parallelogram. The diagram is not to scale. 2x2 y+24 5y8 x+2
asked by Ryan on November 24, 2011 
Precalc
find the following limit lim n>infinity 2+5n+4n^4/2n show steps please
asked by 95 on January 14, 2012 
calculus
find the area of the parallelogram that has vectors as adjacent sides u = 2i +j +5k v = 4i 3j 3k
asked by jameson on August 30, 2016 
Geomtric Series
I need to find the equations of the following, using Σ (and the n=1 which is at the bottom of the Σ) (and infinity is at the top of the Σ) 1) 5/1 + 8/1 + 1/1 + 14/1 + . . . 2) 6/5 + 9/8 + 14/11 + 21/14 + . . . 3) 6/3  4/4  2/5  0 + . . . 4) 9/1 +
asked by Janet on March 29, 2009 
math
Find two consecutive positive integers whose product is 132.
asked by LP on January 3, 2013 
Algebra
Very confused, and in need of help! I got 10 problems like this...Thanks! Let f(x) = 6/x1 and g(x)= 1+3/x Please find the composite function (fog)(x)
asked by Crystal on June 26, 2009 
Maths
Find the nine values for x ( in radians) with 0=/< x
asked by 07 on March 17, 2011 
Calculus 1
Find the local maximum and minimum for the function f(x)=2x^33x^2120x+10
asked by TayB on November 19, 2015 
9th grade
In triangle ABC, centroid D is on median line. AD=x+4 and DM=2x4. Find AM
asked by Anonymous on November 5, 2009 
math
Find the slope if it exists of the lie containing the pair of points (7,11) and (9,17)
asked by Joslyn on January 13, 2012 
college elg
the function f(x)=6x+9/3x7 find inverse and check it f^1(x)=? please show work
asked by MYA on September 5, 2012 
Maths Profit and Loss
Oranges are bought at 6 for Rs 10 and sold at 4 for Rs 9. Find the gain% or loss%.
asked by Vivek on August 19, 2016 
chemistry
If hydrated sodium carbonate contains 6.0 g of carbon, find its mass.
asked by krystal on February 19, 2012 
precalc
Use the equation 〖(y+2)〗^2/4((〖x+3)〗^2)/49=1 to find the following: a. center: b. vertices: c. foci: d. graph:
asked by lisa on October 5, 2016 
PHYSICS
Find the electrical force that exist between two particles having 6.0 mC and 18 nC when they are 0.5cm apart
asked by Mervin on January 4, 2013 
math
The sum of the squares of two positive consecutive is 41. Find the integers.
asked by LP on January 3, 2013 
Algebra
A is the point (4,3) and b is (1,1). Find the gradient of a line perpendicular to AB. Plz help!!!!
asked by Student on May 24, 2016 
math
find the circumference and area of a circle with a diameter of 16 feet
asked by tim on January 10, 2010 
Calculus please help
Find the centroid of the area bounded by the parabola y=4x^2 and the xaxis A.(0,1.6) B.(0,1.7) C.(0,1.8) D.(0,1.9)
asked by Tracy on November 22, 2011 
calculus
find an equation of the curve that passes through the point (1,1) and whose slope at (x,y) is y^2/x^3
asked by linda on March 20, 2011 
geometry
find the vaule of t so that the slppe of the line passing through the points (2,t) and (6,10) will be 1/2
asked by Anonymous on September 8, 2012 
trig
How king i find theta if the formula is cot(2theta) = 7/24?
asked by Isai on February 22, 2012 
math
find the legth of the third side of the right triangle if a=2in and b=6in I think it is 10 but not sure if I did it right
asked by Jazmyne on January 5, 2012 
math
Find the legth of the third side of the right triangle if a= 23 cm and b= 13 cm. I thought it was 144cm but i am not sure.
asked by Jazmyne on January 5, 2012 
calculus
find the general solution x^22(e^y)dy/dx = y^3+e(x^2) i am getting the y^3 dx when i do seperation of variables how do i deal with this.
asked by brad on December 16, 2009 
math
Find a value of the constant k, if possible, that will make the function continuous for all values of x. f(x)=9x^2 if x >= 0, f(x)=k/x^2 x < 0
asked by tish on October 3, 2016 
ISB
Find the angles of atriangle which are in the ratio 2:3:5. Could someone explain how to do this also. Thnaks.
asked by Benjamin on November 22, 2011 
algebra
Find solution to equation X^2+x+ãx^2+x2 =0 Note; square root is x^2+x2
asked by Jessica on July 21, 2009 
math
find two numbers that has as estimated sum of 6, 000 using the digits 1 2 3 4 5 6 7 and 8
asked by evelyn on July 10, 2017 
algebra
Find b^2  4ac and the number of real solutions to equation. 3x^2+7x=0
asked by Jessica on July 20, 2009 
algebra
Find all real and imaginary solutions to equation. b^4+13b^2+36 = 0
asked by Jessica on July 20, 2009 
Math NEED HELP NOW! SO CONFUSED! :'(
How do I find the GCF's of these following problems... 1) 36, 81, 27 2) 15, 17, 30 3) 3x^2y, 9x^2 4) 8a^2b, 14ab^2 %) 3cd^4, 12c^3d, 6c^2d^2
asked by LizzyLiz on November 18, 2015 
math
Find the volume of a cap of a sphere with radius r=86 and height h=48.
asked by John on March 15, 2011 
Math, Pre Calc
Given that (+2) and i are the roots of a 4th degree polynomical, find the equation. Please help! Thank you:)
asked by Nikki on September 5, 2012 
Algebra II
Find the radius and center of the circle which passes through the points (2,3), (0,3), (4,3).
asked by Adam on June 23, 2011 
Math
find the simple interest on a loan £9000 over 6 years at 11% p.a.
asked by jack watson on December 30, 2012 
Math
Find the LCM for the given numbers by an appropriate method. 135, 56, and 150
asked by Anonymous on October 24, 2009 
separation of variables
is the answer to find an equation of the curve that satisfies dy/dx=4x^3y and whose yintercept is 7 y=7e^(x^4)
asked by jake on March 20, 2011 
chemistry
24,8% of potassium ,34,77% of Mn,40,5% of oxygen how do i find the emperical formular thanks in advance
asked by jennifer on May 28, 2015 
geometry
find the circumference of the circle to the nerest tenth. d=1/2yd
asked by Rosetta on August 24, 2011
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