
MATH
If the total surface area of a sphere is 5544 cm 2, find the diameter of the sphere.
asked by SHUBHAM on April 1, 2015 
Math
Find all the points of intersection of the surfaces whose equations are as follows: z^2 = 2xy  100 and x^2 + 2y^2  100  2y
asked by Josh on October 20, 2008 
Algebra 2
1. A rectangle has an area of x3 + x2 – 7x + 2 square meters and a width of x – 2 meters. Find its length.
asked by Sheryl on May 30, 2011 
Math
Find all the points of intersection of the surfaces whose equations are as follows: z^2 = 2xy  100 and x^2 + 2y^2  100  2y
asked by Josh on October 20, 2008 
Base of a parallelogram
Find the height of a parallelogram with base 9.44 meters and area 70.8 square meters.
asked by Wyatt on April 9, 2013 
Geometry
The diagonals of a trapezoid are perpendicular and have lengths 8 and 10. Find the length of the median of the trapezoid.
asked by Sheenybeany on May 25, 2014 
Algebra 1A
Find the slope intercept of equation of the line that has the given characteristics. Slope 3 and y interceot 0,7
asked by Anonymous on September 10, 2011 
Mississippi
Does anyone know where I can find Mississippi's landlord laws? Or laws related to having cars towed? Thanks.
asked by Kat on August 24, 2007 
mathsperimter
The hypotenuse of a right angled triangle is 20 m. If the difference between the length of the other sides be 4m. find the other sides?
asked by anchal on March 5, 2013 
math
find the area between the xaxis and the graph of the given function over the given interval: y = sqrt(9x2^2) over [3,3] actually, it's y = sqrt(9x^2) over [3,3]
asked by jamay on April 18, 2007 
maths
a hyperbola of eccentricity 3/2 has one focus at (1,3). The corresponding directrix is the line "y". find an equation for the hyperbola?
asked by ahmadafnan on September 28, 2012 
algebra
find the slope if it exists of the line containing the pair of points (7,1) and (10,8) I have a slope of 3 is this correct?
asked by Anonymous on September 10, 2011 
maths
The Hypotenuse of a right triangle is 13 cm and the angle of the line opposite to the hypotenuse is 35 find the other two sides.
asked by Kaps on November 1, 2009 
maths
the measure of one angle of a parallelogram is 25 degree.find the measures of the other angles of the parallelogram
asked by nihal on August 9, 2016 
Math
three whole numbers have their LCM as 180 and their HCF equal to 3. two of the numbers are 45 and 60. Find the third number.
asked by Bright on April 10, 2015 
Trig FInd Translation Rule and Coordinates Thanks!
The vertices of a rectangle are R(–5, –5), S(–1, –5), T(–1, 1), and U(–5, 1). After translation, R' is the point (–11, –11). Find the translation rule and coordinates of U'. (x, y)> (x – 6, y + 6); (–11, 7) (x, y)> (x – 6, y –
asked by LeXi ;) on March 1, 2012 
Pre calc
Evaluate by using the Pythagorean identities Find sin θ and cos θ if tan θ=1/6 and sin θ >0
asked by Bill on January 29, 2018 
Geometry
Suppose J is between H and K. Use the Segment Addition Postulate to solve for x. Then find the length of each segment. HJ=2x+5 JK=3x7 KH=18
asked by Brett on August 13, 2012 
no idea...but plz help
Find the sum of all real numbers x such that (absolute value(x – 2009)) + (absolute value(x – 2010)) = 3.
asked by Ryan on November 29, 2009 
Physics
I have a forumla question. I have this formula x=1/2t^2. Is this the formula to find the acceleration that is caused by gravity?
asked by Soly on September 3, 2007 
Economics
How do you find planned investment from the GDP, and determining the equilibrium GDP of an economy?
asked by John on October 23, 2007 
math
find the slope, if it exists, of the line containing the pair of points (9,5) and (10,3) teh slope m= 1.2 m=(3+9)/ (105) m=6/5 m=1.2
asked by check answer on July 22, 2009 
Math
Triangle ABC has coordinates A(1, 4); B(3, –2); and C(4, 2). Find the coordinates of the image A'B'C' after a reflection over the xaxis.
asked by Eric on November 19, 2012 
PreCalc
Find a polynomial of the specified degree that satisfies the given conditions. Degree 4; zeros −3, 0, 1, 4; coefficient of x3 is 4
asked by Jillian on February 17, 2016 
math
Given that 2
asked by Josh on November 17, 2015 
Math
How do I solve this simultaneous equation 3x2y=5 (1) 2y5x=9 (2) I managed to find the value of x and that is 7 but I am having problems to substitute it's value in equation (1)
asked by Vince on May 16, 2010 
Math
A line segment has one endpoint of (3,2) and an undefined slope. Find the coordinates of another possible endpoint.
asked by Anonymous on February 21, 2017 
Geometry 1 question
Find the image of O(2, 1) after two reflections, first across the line y = 5 and then across the line x = 1. (2, 1) (1, 6) (4, 9) (1, 5) I am very confused, no idea what this means. Please help? Thanks
asked by SkatingDJ on November 17, 2015 
algebra
3/4 of a number is 1/2. Find the number in the lowest terms... please show work I am confused
asked by Laura on October 2, 2011 
trig
Given that sin theta= 3/5 and the terminal side is in quadrant II, find tan (pi/2  theta)
asked by Ryan on October 11, 2011 
math
Find the variation equation for the variation statement. z varies directly as x and inversely as y; z = 3 when x = 24 and y = 40
asked by Anonymous on March 20, 2010 
Math
Given with a = 12, b = 6, and mA 50° , find mC . Round the sine value to the nearest thousandth and answer to the nearest whole degree.
asked by Taliyah on December 13, 2018 
AP Calculus
Find the particular solution to y ' = 2sin(x) given the general solution is y = C  2cos(x) and the initial condition y(pi/2) = 1
asked by Tom on March 26, 2018 
geometry
find the positive difference between to consecutive even integers such that 14 times the first is equal to 12 times the second
asked by max on February 17, 2016 
math
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 
Chemistry
Find the pH of a buffer solution with equimolar concentrations of: HCOOH and NaCOOH (Ka = 3.5 x 104 for HCOOH)a
asked by Bill on February 22, 2017 
math
The sum of two numbers is a twice the bigger number minus the smaller is 17. Find the two numbers
asked by che on November 18, 2015 
maths
In a family of two children, find the probability that the family has two boys given that the first child is a boy.
asked by partha on September 29, 2013 
Calculus
Let F(x) be an antiderivative of sin^3(x). If F(1)=0 then F(8)=? The answer: 0.632 How do I get to that answer? Do I find the antiderivatie and solve for F(x) when x=8?
asked by Katie on January 11, 2010 
Geometry
Find the length of the altitude of an isosceles triangle if one side has a length of 20 ft and a base of 14 ft?
asked by Jay on March 9, 2011 
calculus
the tangent line to the curve y=x^2 at the point (a,a^2) passes through the point (2,1) find all possible values of a. Thank you so much!!
asked by john on December 9, 2013 
trig
If sinx = 3/5, tan x > 0, sec y = 13/5 and cot y < 0, find the following: a. csc(x + y) b. sec (x  y) How do I get the answers of a. 65/33 b. 65/16 Thank you
asked by Priya on May 1, 2008 
math
after 12 years manoj will be 3times as old as he was 4 years ago. find his present age
asked by snehil on July 7, 2013 
Calculus
Sketch the given region R and then find its area. R is the region bounded by the curve y=1/x^2 and the lines y=x and y=x/8.
asked by Anna Kirakosyan on November 3, 2016 
math  still don't get it
Thanks for helping me for figure out my age in months and days but I still need to find my age in hours. Please help me. Thank you.
asked by GL on August 13, 2012 
math
the lenght of a rectangle is twice its breadth. if its perimeter is 18cm, find its length and breadth
asked by Anonymous on August 27, 2016 
Geometry
If line segment WP is an angle bisector, m
asked by Anonymous on November 16, 2015 
Math
If sin(x) = 4/5 and cos(y) = 5/13 with both x and y terminating in quadrant 1 find the exact value of cos(xy) I know that the denominator will be 65
asked by Bryan on March 19, 2010 
precalculus
find a bound on the real zeros of the polynomial functions. f(x)=x^4+7x^3x2 every real zero of f lies between  ? and ?
asked by ladybug on October 1, 2012 
maths
find the area of the parallelogram that has the vectors as adjacent sides u = 2i + j + 5k v = 4i  3j  3k a. 11 b. squareroot 26 c. 86 d. 2 squareroot 86 e. 1
asked by jessie on August 30, 2016 
math
Given that 2
asked by Josh on November 17, 2015 
Calculus
Find the derivative of y=cos^6w+cos(w^6) The answer I have is 6(cosw^5sinw+wsin(w^6)) but it's not right...
asked by Catherine on March 9, 2011 
Calculus
Find the first partial derivatives and evaluate each at the given point. Function w = sqrt(5x^2 + y^2 − 4z^2) Point (2, −4, 2) wx(2, −4, 2) = wy(2, −4, 2) = wz(2, −4, 2) =
asked by Calculus Help on November 17, 2015 
math
Find the average of these times using and recording two different sets of keystrokes you consider efficient? 11.5 s 10.5 s 12.2 s b) Which is more efficient?
asked by aksha on October 21, 2007 
math
find whether the line 2xy=0 is tangent, real chord on imaginary chord to the parabola y^22y+4y=0.
asked by sonu on August 8, 2011 
Calculus
Find the absolute maximum and the absolute minimum values of f(x)=x−7cos(x) on the interval [−ð,ð).
asked by Robin on July 7, 2013 
Math
use the remainder theorem to find the remainder when P(x) = x^49x^35x^23x+4 is divided by x + 3 please help me start this problem I have no idea
asked by Tyler on February 21, 2017 
calculus
Use the linearization approximation (1+x)^k=1+kx to find an approximation for the function f(x)=(1/square root of 4+x) for values of x near zero.
asked by Anonymous on March 2, 2008 
math
Find the discriminant. Tell which conic section each graph will be. 4x^2 + 9y^2 +7x2y100=0 4x^2+14xy+7x2y100=0
asked by Rick on March 1, 2012 
Math
To find 304  126, Jill regrouped 30 tens 4 ones as 29 tens 44 ones. What did she do wrong?
asked by Deja on January 15, 2009 
math
Sketch the given region R and then find its area. R is the region bounded by the curve y=1/x^2 and the lines y=x and y=x/8
asked by Anna Kirakosyan on November 3, 2016 
Math/Calculus
Find the equation of the tangent line to the given equation at the indicated point a) y^2=cos(5x3y) at ((2pi+3)/5, 1) b) x^2+x^2y+4=0 at (2,2)
asked by Anonymous on February 22, 2017 
Physics
The Moon is about 3.8e5 km from the Earth. Find its average orbital speed about the Earth.
asked by Ashlyn on February 28, 2013 
Algebra
length of a rectangle is 5y more than twice its width and area of the rectangle is 42 yards ^2, find the dimensions
asked by Brian on November 19, 2012 
trigonometry
find all degrees solutions to the following equation: sin (A + 50 degrees)=1/square root 2
asked by maria on December 5, 2010 
Math
Let sin A = 12/13 with 90º≤A≤180º and tan B = 4/3 with 270º≤B≤360º. Find tan (A + B).
asked by Molly on October 15, 2014 
Math Question
Given tan θ = 8/5 and sin θ < 0, find sin θ, cos θ, csc θ, sec θ, and cot θ.
asked by Paul on December 14, 2014 
Calculus
Find the revenue function R(x) when P(x) is P9x)= 50 0.002x I am getting 50x 0.002x^2 can anyone check, thanks.
asked by Mathcheck on April 14, 2012 
math
he area of a triangle with base b and height h is given by A=1/2 bh. find the area when b =15 (meter) and h= 40m
asked by Anonymous on July 29, 2010 
math
To find 304  126, Jill regrouped 30 tens 4 ones as 29 tens 44 ones. What did she do wrong?
asked by Deja on January 15, 2009 
math Trigonometry
If cos degree equals to 0.8641 What is Sin degree? I have no idea how to find this. Please help me. Thank you
asked by Simran on November 4, 2016 
Calculus
I'm having a little trouble with this problem...it would be great if you could point out where I'm going wrong. Hours of Daylight as a Function of Latitude. Let S(x) be the number of sunlight hours on a cloudless June 21st, as a function of latitude, x,
asked by Sara on November 12, 2010 
geometry
A train in the mountains rises 10ft for every 250ft it moves along the track. Find the elevation of the track.
asked by joshua on March 25, 2015 
MATHS
two sides of a rectangle are 20cm and 10cm. They are increased in the ratio 2:3 and 3:7. Find the percentage increased in its area?
asked by ASDFG on July 19, 2012 
Math Calc
Given a right triangle ABC with a=13 and b=26, find the value of angle A, angle B, and side length c. Round to the nearest thousandth.
asked by Johnny on November 2, 2014 
geometry
The perimeter of a square garden is to be atleast 30 feet but not more than 64 feet. Find all possible values for the lenght of its sides.
asked by luli on June 30, 2011 
STATISTICS
Find the sample standard deviation s for the following sample data. Round your answer to the nearest hundredth. x: 23 20 11 33 27
asked by Jake on June 3, 2010 
Math 5. Grade
Trying to figure out how to find the answer. A rectangular has a perimeter of 3600m. What is the width if the length is five times the width? How do I do this.
asked by Ricky on February 2, 2015 
physics
a ball is thrown vertically upward with an initial velocity of 20 m/s? find the height attain by the ball?
asked by shubhum on September 19, 2014 
Calculus
F(x)=(2x1)/ (x 3) Rewrite f(x) as a piecewise function. Then find the limit as it approaches positive infinity and negative infinity.
asked by Anonymous on August 23, 2015 
Calculus
Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis. y=x^2 x=y^2 about the axis x=–5
asked by Anonymous on April 29, 2009 
calculus
Find an equation of the tangent line to the graph at the given point. (The graph is called a Witch of Agnesi.) f(x)= 7 / x^2 + 3 (2,1)
asked by wanda on September 24, 2017 
maths
in a school there are 3050children .if a square formation is to be made , find the number of students left out of the square ?
asked by rouble on June 2, 2012 
Math (triangles)
Given b=48, A=36 degrees find the remaining parts of the right triangle. a= a)51 b)35 c)66 d)29 and c= a)35 b)26 c)82 d)59 This one I'm lost on! a = b tan A = 34.8 (round it off to 35) c = b/cos A = 59.3 (round it off to 59)
asked by melinda on March 9, 2007 
Statistics
Graduation rate for students in a program is 80%. If 10 students from it are selected at random, find the probability that AT LEAST 8 of them graduated.
asked by Janelle on October 21, 2014 
maths
In the equation (he)^2 = she the letters represent digits.Find replacements for the letters to make the statement true.
asked by Noah Sithole on July 16, 2014 
chemistry
150ml of a gas at 27C is heated to 77C at a constant pressure.find the new volume of the gas.
asked by unknwn on October 29, 2012 
8th grade
c (circumference) c=pie d where d is the diameter. How do i find d to the nearest hundredth when c=39cm? and i have to solve the formula C=pie d for d.
asked by tito on October 14, 2008 
Calculus
F(x)=(2x1)/ (x 3) Rewrite f(x) as a piecewise function. Then find the limit as it approaches positive infinity and negative infinity.
asked by Anonymous on August 23, 2015 
algebra 2
If someone can help me understand this question I'd appreciate it. Solve the following equation. Its a 3x3 matrix that = x^2 first row is 0 0 1, second row 3 x 0, 2 0 3. Im not quite sure how to find x so i can figure out what x^2 is.
asked by Janet on August 17, 2015 
chemistry
150ml of a gas at 27C is heated to 77C at a constant pressure.find the new volume of the gas.
asked by unknwn on October 29, 2012 
mathmetic
if 4th power of pojetive real number 3.215 find the number,also veriphy your answer.
asked by ganesh patil on August 21, 2015 
Complex Numbers
The system of equations z  2  2i = \sqrt{23}, z  8  5i = \sqrt{38} has two solutions z1 and z2 in complex numbers. Find (z1 + z2)/2. Im really just plain old confused. Could anyone help me out?
asked by Aditya on August 13, 2014 
math
Samuel is 1/2 as old as his brother. In seven years, he will be 2/3 as old as his brother will be. Find their present ages. Show each step of your work.
asked by Hawk Cleary on May 29, 2015 
Chemistry
How do I find the pH of pure neutral H2O at o degrees celsius by using standard enthalpies and standard entropies
asked by Tanya on April 21, 2011 
Numerical Analysis
Find the parabolically terminated cubic spline through the data ppoints (0,1),(1,1)(2,1)(3,1),(4,1). Is this spline also notaKnot? natural?
asked by Ashley on September 29, 2014 
math help!!!!
4. Ernesto loses 14.5 pounds in 7 months. Now he weighs 156.5 pounds. Which equation can be used to find how much he weighed before?
asked by Jman on November 20, 2012 
english
I have to find the correct article that goes in the sentence. 1.)Usually ___ strange bird is a timid animal. Article the.
asked by Martha on January 6, 2015 
math
Given the coordinates of the vertices of a quadrilateral, determine whether it is a square, a rectangle or a parallelogram. Then find the area of the quadrilateral. E(–7, –1), F(2, –1), G(–4, –8), H(5, –8)
asked by Jonathan on April 4, 2018 
Algebra
The length of a rectangle is one unit more than its width. If the area is 30 square units, find the dimensions of the rectangle.
asked by Anonymous on August 22, 2012
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