
Maths
When the angle of elevation of the sin55 a tower cast a shadow 20m long. Find the height of the tower
asked by Alexander on July 10, 2013 
Calculus
Find the area of the region which is bounded by the polar curves theta =pi and r=2theta 0
asked by Salman on February 5, 2010 
statistics
Find a number 't' such that the probability that the sample mean will differ from the population mean by at least 't' is not greater than 0.05 if the sample size is 100 and sigma is 3
asked by Anonymous on December 1, 2010 
Calculus2
Please, help me I really need help on this problem. Thank you so much for all your help. Question: Find the radius of convergence and interval of convergence for sum(n=1to infinity)(1)^n1 multiply by n(x1)^n/(n^2+1)2^n Thank you again
asked by Ana on April 21, 2011 
math
find the amount due on a $300 invoice received on june 3 and paid on june 11 if the sales terms are 3/15, n/30
asked by Ashley on May 3, 2013 
Math
If the ratio of the areas of two squares is 8:25 and the side of the smaller square measures 28 cm, find the area of the bigger square?
asked by Jersey on December 12, 2016 
chemistry
A 0.500M solution of a weak acid, HX, is only partially ionized. The [H+] was found to be 4.02 x 10^3 M. Find the dissociation constant for this acid.
asked by kayla on August 5, 2008 
Maths algebra
I wrote 47.235 as my answer then it asked me to use the calculator to find a complete answer.How I'm I suppose to do this. please I need help I got a test tomorrow. Thankyou.
asked by Amanda on December 14, 2016 
calculus
find the exact value of the expression 1.logbase8(2) 2.logbase10(1.25)+logbase10(80) how do you start out ? i forgot all about logarithym.s please help with step my steps
asked by thu on September 26, 2007 
business math
what is the maturity value of the following loans using MV=P(1+RT to find the maturity values,$120,740 principal, 11 3/4 rate, 7months for time
asked by Anonymous on July 5, 2013 
calculus
Let A be the bounded region enclosed by the graphs of f(x) = x , g(x) = x3 . Find the volume of the solid obtained by rotating the region A about the line x + 2 = 0.
asked by me on October 31, 2010 
Mensuration
A carpet is laid around a rectangular dance floor measuring 10m by 8m.if the width of the carpet is 2m,find its area.
asked by Prince on December 18, 2016 
Math
If the sides of a square are lengthened by 7cm, the area becomes 121cm2. Find the length of a side of the original square.
asked by Justin on October 31, 2010 
Statistics
IQ test scores are normally distributed with a mean of 97 and a standard deviation of 11.An individual's IQ score is found to be 123.Find the zscore corresponding to this value
asked by Rachel on November 2, 2010 
maths
the father is 3 times as old as his son in 10 years time he will be double of his sons age find their peasant age ?
asked by adis on December 27, 2012 
College Algebra
I'm working on vertical asymptotes when factoring 6x^2  6 (denominator). I came up with 6(x^21). Then I was trying to find the zeros of the denominator but 6 does not = 0 and x^21=0 then I got x^2=1 and x = plus or minus sqrt 1. Can you tell me what I
asked by Sydney on July 25, 2009 
geometry
Find the height of a cone with a volume of 138 cubic meters and a base area of 46 square meters
asked by bianca on April 9, 2012 
math
find the unit price for each option shown below. round to the nearest cent if nessicary indicate which option is better to buy?
asked by lilly on January 29, 2015 
Math... with complex numbers
Complex numbers are often used when dealing with alternating current (AC) circuits. In the equation V = IZ, V is voltage, I is current, and Z is a value known as impedance. If V = 1+i and Z=2$, find I.
asked by Anonymous on October 8, 2017 
Calculus
can sumeone plz help me find the derivative of (2x^2  12x 2) / ((x^2 + x  2) ^ 2) thx a lot Use the following rule: derivative of u(x)/v(x) = [v du/dx  u dv/dx]/ v^2 In your case, du/dx = 4x  12; dv/dx = 2 (x^2 + x 2)*(2x +1) v^2 = (x^2 + x  2)^4
asked by Jinal on June 3, 2007 
AlgrebraSystems of Equations
Kasey is thinking of 2 munbers. The sum of the two numbers is 18. Their difference is 38. Write a system of equations that can be used to find the numbers.
asked by Resha on January 19, 2012 
phyiscs
if 0.4 force is required to pull a body attaching to spring 0.1m from the position of equality find the spring constant?
asked by madiha on October 29, 2010 
Mathematics
A rectangle has vertices at (6,2,), (6, 6,), (1, 2). Write the coordinates of the fourth vertex and find the area and perimeter of the rectangle (Please help, I'm really confused by these.)
asked by Rose on October 5, 2017 
Math
Find the surface area of a right octagonal pyramid with height 2.5 yards, and its base has apothem length 1.5 yards.
asked by Jessica on June 1, 2011 
physics
Find a relationship between the velocity of a mass falling vertically onto a nail and the depth the nail travels in the wood.
asked by Punky on February 28, 2014 
History
Can someone help me find some websites speaking about the social, political, and economic compositions of the Reganomics and how it affected our political climate?
asked by Confused on August 3, 2008 
Sardhanand barbigha mathematics
PrincipalRs300. Time3 years .simple interestRs 45 then find how much the yearly hundreds of interest rate
asked by Swati roy on February 5, 2013 
maths
ABCD is a parallelogram the angle bisector of angleA and angleD intersect at O. Find the measure of angle AOD
asked by ganga on February 5, 2013 
Calculus
Find the equation of the tangent line to the hyperbola 3x^24y^2=8 which is/are perpendicular to the line 2x3y+6=0. Give the answers in general form.
asked by Diolo on December 9, 2014 
phyiscs
if 0.4 force is required to pull a body attaching to spring 0.1m from the position of equality find the spring constant?
asked by madiha on October 29, 2010 
trigonometry
A pilot is flying with an air speed of 185mph. Find the ground speed of plane and the direction of flight.
asked by Anonymous on November 15, 2011 
Physics
Two forces whose magnitude are in the ratio 3:5 give a resultant of 28N.if the angle of inclination is 60, find the magnitude of each force.
asked by Abidur on April 9, 2017 
Physics
I am given the x and y components of a force and it is asking me to calculate the direction of this force or find the angle in degrees with respect to the yaxis. How do I go about doing this? Thank you in advance.
asked by Donna on September 26, 2016 
english
today i finished my book the giver and i have a readers response journal and it asks me to find the significance what does significance mean
asked by joson on July 29, 2009 
Math
A truck uses 17 gallons of gasoline to travel 442 miles. Write this as a rate. I don't know how to find the rate?
asked by Kellan on December 13, 2015 
Math/Calculus
Find k so that the following function is continuous on any interval: f(x)= kx 0 (less than or equal to) x (less than) 2 3x^2 2 (less than or equal to x) i know the answer is 12 but i don't know how to arrive at that. could you please walk me through the
asked by Kate on September 9, 2008 
English
Encyclopedias are good to use as a starting point to find background information on a topic. True False I say True
asked by Tim on October 1, 2016 
Physics
A moving object has a kinetic energy of 138 J and a momentum of 23.9 kg·m/s. a) Find the speed of the object. Answer in units of m/s.
asked by Maria on February 24, 2011 
Maths
John, Amos and Peter shared the sum of #126 in the proportiom 1: 2: 4, find the sum of money each received.
asked by Salvtion c on July 30, 2014 
precalculus
A rectangular box has a perimeter of 36 inches. Find the length and width of the box that would give the maximum area. e. l = 9, w = 9 f. l = 81, w = 9 g. l = 27, w = 9 h. l = 18, w = 18
asked by Sam on December 12, 2016 
cal
If a ball is thrown into the air with a velocity of 41 ft/s, its height (in feet) after t seconds is given by y = 41t − 16t^2. Find the velocity when t = 1.
asked by JJ on October 18, 2011 
Calculus
Find the area of the region which is bounded by the polar curves theta =pi and r=2theta 0
asked by Salman on February 5, 2010 
College Algebra
These are the points on the graph! O year = $41000 1 year = $43000 2 year = $46000 3 year = $48500 The following graph shows Bob’s salary from the year 2002 to the year 2005. He was hired in the year 2002; therefore t = 0 represents the year 2002. List
asked by Cupcake on November 17, 2007 
Physics
Two current carrying wires cross at right angles as indicated in the figure. If the wires are not restrained, what statement best describes the motion of the wires? Hint: To help you visualize the situation, draw first the magnetic field that Wire 1 makes
asked by mm. on March 15, 2010 
science
An airplane pilot sets a compass course due west and maintains an airspeed of 225km/h . After flying for a time of 0.520h , she finds herself over a town a distance 122km west and a distance 15km south of her starting point. Part A Find the magnitude of
asked by sanele on March 2, 2014 
math
name the position of the first digit of the quotient. then find the first digit. 3 divide by 579
asked by stephanie on September 22, 2011 
Math
Two numbers are in ratio of 7:9.the large number is 54,find the smaller number
asked by Hosannah on May 21, 2019 
math
If the coordinate of A on the real number line is 2, find the coordinate of B if AB= 5 units
asked by Sabra on December 5, 2010 
Math
The length of a rectangle is 2 more than twice its width. If the area of the rectangle is 24 sq. m., find its dimensions.
asked by Bianca on July 27, 2012 
algebra
Find the maximum or minimum of the following quadratic function: y = x2  x  56. A. 56 B. 56 C. 225/4 D. 225/4 d
asked by drew on February 4, 2013 
Math
The bearing of P from Q is 140degree and that of X from P is 315degree. If PQ=36km, and PX=55km, find QX and the bearing of Q from X.
asked by Anonymous on September 22, 2016 
Math
Find a cubic function y=ax^3+bx^2+cx+d that has a local maximum value of 3 at x=2 and a local minimum value of 0 at x=1
asked by Muofhe on October 3, 2018 
geometry circle
A 16 cm by 12 cm rectangle is inscribed in a circle.. find the radius of the circle. ~answer
asked by Barbie Lee on October 22, 2013 
geometry
P>P1(8,3) for the glide reflection where the translation is (x,y)>(x2,y5) and the line of reflection is y=x find the coordinates of P. Can someone please help
asked by kevin on March 13, 2012 
Calculus
Find the point on the graph of y=2x4 that is closest to the point (1,3). (Optimization equation)
asked by Michelle on December 6, 2010 
Algebra
Help please! I got so far with this and stopped because of confusion. Here is what I have so far. Let f(x) = 6/x1 and g(x) = 1 + 3/x find the composite function of (fog)(x) (fog)(x) = f (g(x)) =f (1+3/x) =6/x1 ????
asked by Rachale on June 24, 2009 
algebra
Find the length of a side of an equilateral triangle with altitude of length 6.
asked by chica on March 2, 2010 
MATHS>>>PLEASE HELP
find the maximum value of: 5+sinx3cosx and state the value of x for which this maximum occurs
asked by john peaterson on April 1, 2010 
Algebra
The area of a rectangler room is 6/20 sq m.if the length is 3/4m find the width of the room
asked by Tiffenie on July 12, 2016 
math
In equilateral triangle ABC, AB=3x and BC= 2x=12. Find the numerical value of the perimeter of ABC.
asked by Troy on September 29, 2010 
Algebra
the length of a rectangle is 7 cm more than its width. find the demensions of the rectangle if its perimeter is 50 cm.
asked by Dakota on January 3, 2013 
8th grade
how to find common factors and common multiples for prime factorization.
asked by kendra on September 16, 2010 
Maths
Find in sqr meters,the area of a sqr of side 16.5 dam
asked by Jaideep kaur on February 7, 2017 
math
the peremeter of a square is 14.4 cm.find the area of the square? i do not know the answer.........plssssss help me
asked by devu1234 on August 29, 2011 
Math
Solve for y x2y/5=3(y+2)/4 +3 This is what I did and I don't know if it's right or what to do next. Find the Lcd which is 20. I get: 4x8y=15y+30=60 I don't know what to do from here. I'm so confused.
asked by Laura on August 24, 2010 
log
Use the properties of log to find the exact value of each expression. Do not use calculator 8 log 8^5
asked by Alley on April 6, 2013 
english
Where can I go to find a format for a newpaper,I must produce a a paper in newspaper format.
asked by emily on December 3, 2007 
algebra2
name a point that lies on the circle: (x2)^2+(y+3)^2=16 I cannot use the points (2,1) or (6,3) and I can't find another point that works.
asked by Jane on May 1, 2008 
english
can someone help me find a painting that represent chilvary..i m not sure exactly what chilvary is...can it be just doing a good deed for someone
asked by maggie r on November 9, 2007 
Algebra2
Check? Find the slope of the line that is a) parallel and b) perpendicular to the given line. 1.x=8 = 1/2x ; 3/7y 2.y=10 =2/3x ; 2/5y
asked by Nessa on November 29, 2012 
TrigAlgebra help asap
A rhombus has sides of 5 cm and one diagonal is 6 cm long. Find the area of the rhombus.
asked by Missy on March 12, 2012 
Math
Consider the following cubic curve: f(x)=−x3 −x2 +16x+16 1. Calculate f′(x). 2. Calculate f′′(x). 3. Find the x values such that f(x) = 0.
asked by R on January 2, 2017 
math
John scored a mean mark of 75 in 3 tests. If he scored 55 in another test, find his new mean.
asked by indira on February 27, 2017 
Calculus
find the two numbers whose sum of the squares is a minimum if the product of the numbers is 10.
asked by Regine on February 25, 2016 
math
the perimeter if a fence is 48 meters. if the width is 2 meters less then the length, find the with
asked by rosa on April 27, 2013 
College Algebra
The sum of three consecutive natural numbers is 966. Find the numbers.
asked by Richard on July 23, 2015 
math
three times a certain number is not greater than 54, find the range of values of the number
asked by olam on February 6, 2017 
math
. Find the slope of a line that is parallel to the line containing the points (3, 4) and (2, 6). (1 point) m = 1 m = 2 m = –2 m = 1/2
asked by 123 on April 27, 2013 
geometry
The perimeter of a pentagon (4x + 4) is three times the perimeter of a triangle (x + 3). Using this statement, find x.
asked by Linda on August 31, 2011 
Chemistry
The volume of 17.5 grams of SO2(g) at STP would be find volume in liters
asked by Anonymous on November 16, 2018 
GEOMETRY  URGENT! HELP!
Let ABCD be a parallelogram. Let M be the midpoint of AB and N be the midpoint of AD. Diagonal BD intersects CM and CN at P and Q respectively find PC/BD.
asked by kayla1 on December 6, 2014 
Geometry8th gr
The Circumference of a circle is equal to the area of the circle. Find the radius. Thanks.
asked by Mona on March 8, 2013 
maths
Find the area of triangle . in a rightangled triangle, the length of the hypotenuse is 65 cm
asked by anoynomous on April 5, 2013 
Algebra
Can someone explain how to find the solution to the inequality. −2x − 14 > −4 + 3x Please show me step by step.
asked by Bridgette on October 16, 2017 
Calculus
To find the length of the curve defined by x=7t−t^2,y=4t^(3/2) from the point (0,0) to the point (12,32), you'd have to compute çb to a f(t)dt where a= b= f(t) =
asked by Carrie on October 22, 2013 
Maths
Find the centre of the circle 36x^2+36y^224x36y23=0
asked by Ande2 on May 20, 2019 
math
diameter of coin is 26 mm inlength.Find circumference & area of coin .
asked by Barb on July 23, 2012 
math
550^2 = 45^2 + x^2  2*45x*cos100° show step by step on how to find x
asked by Anon on October 2, 2018 
Calculus
"Find the antiderivative of f(x)= (2x)/((x^2)+1)." I understood how to do it with just a number as the numerator, but I can't figure it out with x in the numerator..
asked by Stuck on April 1, 2010 
collge calculus
find an equation of the tangent line to the curve y= x(x)^(1/2) that is parallel to the line y=1+3x
asked by Anonymous on November 1, 2011 
math
find the area of the label on a can with a radius of 5.1 centimeters and a height of 2.9 centimeters.
asked by torri on April 28, 2011 
Calculus
A car accelerates from rest at 1.1+2(t^1/2) m/h per second for 9 seconds find velocity after 9 seconds.
asked by John on May 18, 2016 
research website
please help me find a good video or website that has a good analysis for hamlet
asked by Sheila on September 15, 2010 
math
find the values of a and b if the function y=2x^3+ax^2+bx+36 has a local maximum when x=4 and a local minimum when x=5
asked by badial on March 6, 2011 
math
I need help with a problem. One third of a number, decreaesd by thirtysix, is at most twentytwo. Find the number.
asked by Johnnie on November 2, 2011 
trig
tan(theta)=(7/24), sin(theta)
asked by stacey graham on March 26, 2010 
Math
Find the equation of the tangent line to the graph of y=3cot^4x at x=pi/4 3cot^4(pi/4)=3(1)=3
asked by Brittany on October 2, 2014 
Math
Find an equation of the line that passes through the point (3,10) and is parallel to the line x3y=1
asked by Jamie on January 23, 2011 
calculus
find the volume generated by the boundaries y=x^3+1 , xaxis , x=1 , x=2 revolved about yaxis
asked by nicko on January 23, 2011 
calculus
find the tangent function is continuous on the interval (90,90) but is not uniformly continuous
asked by Anonymous on August 29, 2011
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