
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
asked by kms on May 22, 2017 
maths trigonometry,
find all solutions between 0 and 2pii for (tan theta =1)and (cos theta =negative 1/2).
asked by lughano on March 3, 2017 
Geometry
Find the distance between point R (5,6) and point S (2,0). Round your answer to the nearest tenth.
asked by Crystal on September 25, 2011 
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
for he formula A=P+Prt, find the value of (a). (i) A when P = 750. r=0.09 and t=8 (ii) P when A=720.r=0.12 and t=5 (b) make t the subject of the formula
asked by tia on October 19, 2010 
pre calc
Find the exact value of sin(xy) if sinx=3/5 in Quadrant III and cosy=5/13 in Quadrant I.
asked by Jennifer on May 21, 2013 
math
4.find to the nearest degree the celcius reading when the farenheit reading is 72 degrees
asked by chris on September 6, 2009 
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 
Trig
Given sin= √5/6 with π < u < 3π/2 and cos v= √3/5 with 0 < v < π/2 find sin(uv) and tan(u+v). Please show work and simplify.
asked by Jane on March 8, 2016 
science
find the force exerted by z rope on a 10kg mass that is hanging from the rope
asked by joe on October 19, 2009 
math
how would i find the area of the parallelogram if the area of each right triangle region is 7 1/2 square inches
asked by hannah on November 29, 2011 
Algebra
One number is 10 less than twice a second number. Find a pair of such numbers so that their product is as small as possible. I came up with 15 and 5 and those are incorrect
asked by Barb on March 11, 2016 
Geometry
Hello, Can you please tell me if I have the correct answer? Thank You my answer: 6m Find the diameter of a circle whose circumference is 18.85m.
asked by Mandi on April 9, 2008 
calculus
The graph of f(x) passes through the point (0,3) . The slope of f at any point P is 3 times the y coordinate of P . Find f(1)
asked by Connor on October 14, 2010 
Advanced Algebra 1
A polygon has a perimeter of 24mm. Find the new perimeter after a scale factor of 1/4 is applied?
asked by Jordan on October 14, 2010 
urgent (physics)
A certain planet is located 3.54 x 10^11 m from its sun. If its orbital period is 4.9 x 10^7 s, find the mass of its sun.
asked by HELP PLEASE on April 24, 2014 
integrals
find value of def integral with a=2 and b=2sqrt(3) for integral i get 1/15 *((4+x^2)^(3/2)) (8+3x^2) for value i get [1536 64sqrt(2)]/15 but its' wrong. help please
asked by Mikey on May 26, 2013 
math
First estimate the answer then divide to find the exact answer simplify all answers 16÷2 5/11
asked by semaj on September 8, 2015 
precalculus
the function f(x)= square root sign 10x+20, x>=20/10 is a one to one function find its inverse
asked by McKenna on November 28, 2012 
chemistry
the density of ehter is 0.789 g/mL. Find the mas in kilograms for 475mL of ehter
asked by miichael on September 22, 2011 
Math
Find the simple interest for the indicated length of time. $7915 at 9% interest for 9 months?
asked by Anonymous on October 24, 2009 
math
find a commission on a $1,250 sale with a commission rate of 5%. $62.50 $6.25 $75.00 $125.00 HELP PLSSS
asked by Ali on February 8, 2017 
analytic geometry
FINd an equation in x and y that has the same graph as the polar equation r=Î± sin theta, with Î± is not equal to 0.
asked by Anonymous on September 17, 2015 
Math
Find the probability that theven pointer will stop on an odd number or a number less than 7
asked by Anonymous on June 4, 2017 
please
Given tan Θ =  8/5 and sin Θ < 0, find sin Θ, cos Θ, csc Θ, sec Θ and cot Θ.
asked by Anonymous on January 9, 2014 
algebra
find the slope, if it exists of the line containing the pair of points. (19.3, 13.4) and (17.3, 2.1) The slope m= I came up with m= 4 am I close
asked by sonia on October 22, 2009 
calculus
Find the points on the graph y = x^3 + 6x^2 at which the tangent line is horizontal. I found x^2 + 4 = 0 are the points [4,32]
asked by heather on February 8, 2017 
Alg2/Trig
How would I go about solving this equation algebraically? Find the equation of the parabola y=ax^2 + bx+c that passes through the given points. (2,0) (3,1) (4,0) Thanks.
asked by Chris on March 5, 2009 
PreCalculus
Find all rational zeros of the polynomial, and write the polynomial in factored form? P(x)= 2x^33x^22x+3
asked by Monica on September 14, 2014 
geometry
Given the triangle ABC and m
asked by Anonymous on June 30, 2011 
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 
Maths
The width of a rectangle is twothrid of the length.if the perimeter is 192,find the width.
asked by Edeki on February 22, 2016 
Math
Find the multiplicative inverse of the number. 1/2 (fraction) The inverse would be 2/1, which would be 2 as the final answer.
asked by Anonymous on October 22, 2009 
def integrals
find value of def integral with a=2 and b=2sqrt(3) for integral i get 1/15 *((4+x^2)^(3/2)) (8+3x^2) for value i get [1536 64sqrt(2)]/15 but its' wrong. help please
asked by Mikey on May 25, 2013 
physics
from equqtion t equal to x+3 .find velocity and acceleration t equal 1second here x is distance
asked by add on September 23, 2012 
Physics
A certain planet is located 3.54 x 10^11 m from its sun. If its orbital period is 4.9 x 10^7 s, find the mass of its sun.
asked by stewart on April 24, 2014 
Physics
When will an object be in equilirium if different forces are acting on the object from the different systems? Would it be appropriate to use F=ma to find the equilibrium?
asked by Maggie on October 9, 2010 
Algebra
Find two numbers with a sum of 8 and a difference of 4. Let x be the greater number and y be the lesser number. Thanks you
asked by Struggling mom on February 16, 2015 
Algebra
53. Determine if y=x^2 is a function. i think the answer is yes, but can someone explain to me why it's yes, and how you find out if it's a function or not. I know that for every value of x there should be one value of y, but how do you figure that out in
asked by y912f on May 7, 2010 
Physics
How can one find the magnitude and the directions of a resultant if Vector A is 35N @ 60' NE, and Vector B is 50N @ 20' NW?
asked by Megan on December 4, 2011 
Physics
Find the scalar product of the vectors ai+bj and biaj . Where a and b are arbitrary constants. What's the angle between the two vectors?
asked by Jacob on May 30, 2013 
math
The length of a rectangle is twice its breadth. If the perimeter is 42cm, find: 1) the length 2) the breath
asked by indira on February 27, 2017 
Precalculus
1. Simplify the expression ((5x^2)/(4x^2))^2 2. (x)/(x^281)(9)/(81x^2) = 3. Let (3,3) and (6,_2) be points in the Cartesian plane. Find the distance between the points.
asked by Amy on January 23, 2011 
maths
perpendicular avenue is perpendicular to tangent street and passes through D(17,8).find its equation
asked by Tony on March 29, 2013 
math
help please!!!!!! explain how you would find the length of one side of a square if the area is 36 square units.
asked by santos on March 30, 2011 
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 
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 
Math
I have two numbers that have a sum of 16 and a difference of 3. By forming two equations and solving them find the two numbers.
asked by Brad on November 8, 2016 
physics
How do I find the acceleration on a velocity time graph when the graph has an irregular shape.
asked by Ann on October 7, 2012 
calculus
find the equation of the curve for which y'''=24x6 if the curve passes through (1,8) and is tangent to the line y=4x at (1,4). help please thanks :)
asked by jean on August 10, 2015 
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 
Trigonometry
Given that sin(2θ)=2/3, the value of sin^6θ+cos^6θ can be written as a/b with a and b as coprime positive integers. Find a+b.
asked by Shin on May 27, 2013 
math
the length of a rectangle is 3 times its breadth.its perimeter is 64cm.find its length?
asked by Anonymous on April 28, 2014 
Finding distances
Person is 1.8 meters tall standing far away at angular height of 5 meters. How do I find how far way they are
asked by Carol on February 2, 2012 
math
Find the intersection of the line through (0, 1) and (4.4, 2) and the line through (1.9, 3) and (5.3, 0). (Round your answers to the nearest tenth.) (x, y) =
asked by liz on October 16, 2010 
Finding distances
Person is 1.8 meters tall standing far away at angular height of 5 meters. How do I find how far way they are
asked by Carol on February 2, 2012 
Mathematics
The equation of a circle is given by D: x^2 + y^2  2x  4y  20 = 0 Use implicit differentiation to find the equation of the normal D at the point S(5, 1)
asked by James on February 25, 2016 
Calc
Let f(x)=sqrt(x) and g(x)=sin(x). Find f*g and determine where f*g is continuous on the interval (4pi, 4pi)
asked by Maria on January 13, 2014 
coordinate geometry maths
find area of triangle abc & triangle def if D E F are mid points of AB BC &CA D(2,1) E(1,0) F(_1,3)
asked by anila on February 25, 2016 
algebra 1
thr ratio of two integers is 6:13 the smaller interger is 54. find the larger interger
asked by john on February 21, 2013 
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 
Calculus BC
Find the volume if the region enclosing y=2x, y=0, x=3 is rotated a)about the yaxis b)about the line x=3 c)about the line x=4.
asked by Maya on February 12, 2011 
css
The height of a triangle is increased by 15% and the base is increased by 10%. Find the increase in its area.
asked by Anonymous on September 10, 2015 
maths
A rhombus has a side 15cm and one diagonal 22cm.Find the height of the other diagonal?
asked by Bismark on June 10, 2017 
math
Hello. Please, help me solve this: Parabola y = ax^2 + bx + c passes through the point (2;6). Find the values of a, b and c, if vertex of parabola is (4;10).
asked by eve on May 19, 2012 
Math
A rectangular closet has a perimeter of about 20 feet and a width of about 3 feet. Find the diagonal.
asked by Cassie on September 14, 2010 
AP calculus
The consecutive terms of an arithmetic progression are 5x, 8, 2x. Find the common difference of the progression.
asked by Watermelon on December 3, 2011 
Maths
If the size of the interior angles of a pentagon are 2x , 3x , 4x , 5x and 6x , find the largest angle of the pentagon
asked by Mehwish on February 28, 2019 
calculus
Find the point on the function y= 1/ x, x>0 that is closest to the point (2,2) and then state the minimum distance.
asked by Anonymous on March 31, 2010 
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 
Quantum Physics
Suppose we have a particle in 1dimension, with wavefunction Ae^(−x/2d). What is the probability to find the particle in the interval [0,d]?
asked by qwerty on April 3, 2013 
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 Alexa on November 30, 2012 
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 
Precalculus
Find the equation of the ellipse with the center at (2,3), one focus at (3,3), and one vertex at (5,3). Also graph the equation.
asked by Anonymous on May 13, 2014 
Algebra
Suppose we have the following identity: (px + (1p)y)^2 = Ax^2 + Bxy + Cy^2. Find the minimum of max(A,B,C) over 0 \leq p \leq 1.
asked by Oikawa on June 5, 2017 
Math
Find u X v, where Q is the angle between u and v. magnitude of u =4 magnitude of v=10 Q=2pi/3 The Q is the part that is throwing me off. I do not know where to start.
asked by Hannah on March 31, 2010 
PreCal(urgent)
Find u X v, where Q is the angle between u and v. magnitude of u =4 magnitude of v=10 Q=2pi/3 The Q is the part that is throwing me off. I do not know where to start.
asked by Hannah on March 31, 2010 
Physics
A certain planet is located 3.54 x 10^11 m from its sun. If its orbital period is 4.9 x 10^7 s, find the mass of its sun.
asked by Anonymous on April 28, 2014 
maths
6 pieces of wire each measure 9cm find the total length of the pieces in mm
asked by Anonymous on November 9, 2016 
Calculus
Use derivative formulas to find the derivative of the function. please show your work h(x)=10^325x^6+3x^15
asked by Sarah on September 25, 2012 
Calculus
find the acceleration at time t=9s if the position (in cm) of a particle moving along a line is s(t)=6t^37t^29t+2 at time t.
asked by Anonymous on October 24, 2009 
maths
can some one help me here : if 5 cos x + 3 = 0 and 180 degrees < x < 306 degrees , find the value of 3 tan x + 25 sin^2 x
asked by nokuphiwa on April 29, 2014 
Math
Find the simple rate Principal $2400 Rate 10 1/2% Time in years 1 1/2
asked by Muffin on February 21, 2013 
Math
Explain how modeling partial products can be used to find the products of greater numbers
asked by Rolo on October 8, 2012 
sociology
whether science or religion is best suited in postmodernity???? i think it's science but i cant find any explanations on the internet
asked by helppp11111 on October 2, 2018 
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 
algebra
A CD costs $17.95 plus tax. The sales tax rate is 7.5%. Find the total cost of the CD.
asked by Juliet on August 18, 2015 
maths
The scale of a map is given as 1:40000000. Two cities are 4 cm apart on the map.Find the actual distance between them.
asked by Anju Godvin on March 6, 2016 
trig
If it is given that tan(AB)=tanAtanB/1+tanAtanB and tanP1/1+tanP=tan195 find p
asked by Kale on April 6, 2013 
Trig
Find values of all six trig functions if sin(theta)= 4/5 and theta is in the second quadrant.
asked by Lucy on August 23, 2011 
Chemistry
HELP!! I cannot find the value of ÄH, for the following reactions. A + 2B > C + 3D , ÄH = 154 kJ 1/2C + 3/2D > 1/2A + B, ÄH= ? I have tried the answers 302 and 154 and neither were correct. Have any suggestions?? Thank You!
asked by Kate on October 28, 2008 
math
Can someone check and tell me if these are correct or not. subtract 8853= Subtract 7/9  (13/18)=11/18 multiply (3)(7)(9)=189 find the reciprocal of (1/7)(14/3)(9)
asked by nena on October 25, 2007 
Pre Calc
in a 9 digit integer, each of the digits 1,2,3,4,5,6,7,8,and 9 appears exactly once. Find the probability that the integer is divisible by 9.
asked by Ryan on November 1, 2009 
Physics
Find the electric field (in N/C) at a point r =1.4 m above a point charge Q= 78 C. Take upwards to be positive.
asked by Nadya on January 24, 2011 
Math ~ Check Answers ~
A number cube with the numbers 1 through 6 is rolled. Find P (number is greater than or equal to 3). a.) 4/6 b.) 1/6 c.) 2/6********** d.) 5/6
asked by Chloé on April 23, 2014 
kv
a man travel 3 km north ,3 km east again 1 km north find the final displacement
asked by khushii on September 24, 2015 
Pre Calculus
A 40foot flagpole casts a 30foot shadow. How do you Find o, the angle of elevation?
asked by Irene on February 25, 2019 
Math polynomial functions
State the number of complex roots of each equation then find the roots. I cant figure out these two! 1. 3x  5 =0 2. c^2 + 2c + 1 = 0
asked by Trace on December 11, 2011 
Math
The parallel sider of a trapezium are 25 cm and 11 cm, while its nonparallel sides are 15 cm and 13 cm. find the area of the trapezium.
asked by Ahmad on August 31, 2015 
alg 1
the perimeter of a rectangle is 24 m. the width is 30 m less than five times the length. find the dimentions of the rectangle.
asked by joe on February 13, 2015
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