
Statistics
Find z such that 44.0% of the standard normal curve lies to the left of z. 0.151 0.772 0.151 1.519 1.519
asked by Alex on June 20, 2010 
Math
Find the minimum and maximum value of the function y=−(x−4)^2+9. Enter infinity or infinity if the function never stops increasing or decreasing.
asked by George Carl on February 27, 2018 
Maths
A sum of Rs 500 is in form of domination of Rs 5 and Rs 10 if the total number of notes is 90 find the number of notes of each type
asked by Akash Hazra on February 5, 2015 
math
Find all solutions of the equation 3sin^2 x 7sin x +2 = 0 in the interval [0,2\pi). The answer is x_1= ? and x_2= ? with x_1
asked by tyler on April 14, 2013 
maths
Find the equation of the curve through (4,2) whose tangent (for x > 0) forms an angle with the xaxis, the tangent of which is equal to 1 . Sketch the curve for x x > 0. √
asked by Anonymous on August 9, 2011 
pre algebra
the measures of the angles of (triangle) RST are in the ratio 2:3:5. find the measures of each, and classify the triangle as acute, right, obtuse.
asked by lavena on June 16, 2010 
maths
Two consecutive odd numbers are such that seven times the smaller ,subtracted from nine times the bigger ,144.find two numbers.
asked by Anonymous on May 29, 2019 
Physics
Find the refractive index of a transparent medium in which light travels with a speed of 1.8×10^8m/s.Given that speed of light in vaccum is 3×10^8m/s?
asked by Anjali on June 22, 2017 
physics
a charge of 4 nc is located at the origin and 5nc is located at x axis.find yhe electric intencity at y =2m along yaxis?
asked by sabahabib on February 10, 2015 
Math
The formula A=bh is used to find the area of a parallelogram. If the base of a parallelogram is double and its height is doubled, how does this affect the area.
asked by Cindy on February 8, 2011 
Math
The two legs of a right triangle are in the ratio √3/2. If the hypotenuse is 10 units long, find the area (in square units) of the triangle.
asked by K on March 3, 2018 
math
I'm in grade 5 and I need help on an area and perimeter question. The area of a rectangle is 300mm and the length of it is 15 mm. I need to find out the width of this rectangle.
asked by Anonymous on February 10, 2015 
algebra
What is the cost, C for manufacturing x units of a certain product is given by C=x/2+30 find the number of units manufactured at a cost f 9230 solve.
asked by Slomon on June 27, 2017 
Englishplease help
In 1886, the Statue of Liberty was dedicated. What is the meaning of the word "dedicated" in this context? Can't seem to find the meaning from the dictionary.
asked by chimingbell on January 18, 2017 
maths
Find an equation of the line that is perpendicular to the line whose equation is 2x – 5y = 3 and passes through (2, 7). Last time i posted this, the answer was wrong
asked by Jo on February 27, 2018 
Calculus
For the demand function find the elasticity function. Problem 52. p=D(x)=18Sqrt[x] My answer is [36x^1/2 + 2x]/x However, the answer in book is [2(18x^1/2)]/[x^1/2]
asked by Sarah on December 9, 2007 
Math
A pair of dice is rolled. Let G be the event that the sum will be an even number and H be the event that the sum will be greater than 6. Find GuH
asked by ISIAKA A.KROMAH on May 31, 2019 
calculus
8. f(x)=  2x^3 + 45x^2 300x +9 There are 3 intervals (inf,A], [A,B], [B, inf) where A and B are critical points. Find A and B? For each of the intervals is it decreasing or increasing??
asked by mkcolema on March 17, 2009 
Trig
Let (theta) be an angle in quadrant II such that sec(theta) 4/3 . Find the exact values of cot (theta) and sin (theta).
asked by Johnny on May 11, 2011 
Algebra 2
How do I find the equation of an ellipse with: Vertices: (7,10), (7,10) Foci: (7, square root of 19) (7,  square root of 19) I think the center is (7,0) and a^2 is 49 I just don't know how to get c^2 so I cant get b^2
asked by Jane on April 7, 2014 
trigonometry
1)Solve and write in standard form: 4x^24x+21=0 2)Find the standard form of the complex number. 8(cos pi/2 + i sin pi/2) Thanks everyone!
asked by mikey on December 3, 2012 
math
The base of a triangle is 5cm greater than the height. The area is 52cm^2. Find the height and length of the base.
asked by Frank on May 18, 2012 
Calculus
If the velocity function of an object is v(t) = 5t4  20t + 100, find the displacement function given that the displacement is 50 ft when time is 1 second
asked by Chong on October 19, 2015 
mATH
find an equation of the line containing the giving pair of points (2,1),(78) the equation of the line in slope =intercept form is y=
asked by Anonymous on September 21, 2010 
Calc
The temperature at any point in the plane is given by the function T(x,y)= 100/(x^2+y^2+1). Find the direction at the point (3,2) in which the temperature does not increase or decrease. Help, please? Thanks!
asked by Brittany on February 28, 2011 
map 1914
where is brestlitovsk located in what country? Bosporus not the strait I couldn't find what country it is in if it wasn't the strait?
asked by Anonymous on March 27, 2018 
Calculus 1
The curve with the equation y^2=5x^4x^2 is called a kampyle of Eudoxus. Find an equation of the tangent line to this curve at the point (1,2).
asked by TayB on September 29, 2015 
Math
"Half the measure of the angle is 25 more than one third the measure of the complement. Find the angle" I don't understand how to set up and solve this at all.
asked by R on September 30, 2015 
algebra
The length of a rectangular field is 7 meters more than twice its width. If the perimeter is 140 meters, find the dimensions of the field.
asked by Sheila on June 7, 2010 
math
you take 2 balls without replacement from the bag, 2 yellow and 7 pink find the expectation and the standard deviation of how many yellow balls you will get
asked by keisha on May 14, 2010 
Algebra
Find the product: 9x(6x2 + x + 5) A.54x2 – 9x – 45x B.15x3 – 8x2 – 4x C.54x3 + x + 5 D.54x3 – 9x2 – 45x
asked by Hailey on September 23, 2012 
math(compunded interest )
9. FIND THE EFFECTIVE RATE THAT IS EQUIVALENT TO: i) 4 1/2 percent compounded semi annually ii) 12 percent compounded daily
asked by fizz on April 24, 2014 
math
1lb candy 502 pieces cost 16.8 cents ounce,how do you find out the cost of 1 piece of candy?
asked by jj on April 2, 2012 
maths
Xsin(theta)Ysin(theta)=rootX^2+Y^2 andcos^2(theta)/a^2+sin^2(theta)/b^2 then find correct relation
asked by aakash on April 24, 2014 
menstruation
a cone and acylinder have equal volumes and ardii.The height of the cone is 12cm.Find the height of the cylinder
asked by Anonymous on September 21, 2015 
math
The length of a rectangle is five less than three times its width. Find the dimensions of the rectangle if its area is 782. I get 18.84 x(3x5)=782. The book says 17 m by 46 m
asked by chango on September 14, 2014 
Calculus
Find the slope m of the tangent line to the graph of the function at the given point and determine an equation of the tangent line. f(x) = 15/4 x at (1,15/4)
asked by Tee on June 6, 2013 
finite
a basket ball player makes 65% of her free throws find the probability that she will make at least 7 of her next 8 free throws
asked by Anonymous on April 7, 2013 
algebra
a boy is b years old and his father is 6 times as old as him. find the father's age. and also the sum of their ages in years time?
asked by zeenia on September 20, 2012 
Fluid ''Physics''
A block of metal floats in oil of density 700Kg/m3 with 3/4 of volume in mass. Find the density of metal.
asked by Said on November 6, 2011 
math
Square ABCD is incribed in Circle O. If the side of the square is 2 find the area of Circle O. a. pi b. 2 pi c. 4 pi d. 8 pi e. 16 pi please answer and explain
asked by thomas on April 23, 2014 
Calc
The temperature at any point in the plane is given by function f(x,y) = 100/(x^(2)+y^(2)+1). Find a direction at the point (3,2) in which the temperature does not increase or decrease. Help, please? Thank you.
asked by Dani on February 27, 2011 
Physics
Two forces F1 and F2 act on a particle. F1 has magnitude 8N and in direction 090 degrees. Find the magnitude and direction of their resultant.
asked by Kemmey on March 23, 2019 
physics
Q1 and Q2, when separated by a distance of 2 m, experience a force of repulsion eqaul to 1.8 N.(a) What will the force of repulsion be when they are 10 m apart? (b) if the ratio Q1/Q2 = 1/2, find Q1 and Q2 ( r = 10m)
asked by Anonymous on February 11, 2011 
Math
find the intercept and graph. x+3y=6 I need to complete the ordered pair (3,) so im I setting the problem up right x(3)+3y=6? and thus the missing ordered pair is 2?
asked by Christopher on April 22, 2014 
Phyics
A particle, which starts from rest, covers a distance of 19.94 cm in the first 8.6 seconds. Find the acceleration (in m/s2) of the particle at the end of 8.6 seconds.
asked by Susan on September 26, 2015 
Fine Arts
The question asks, What are some of the similarities and differences between scroll paintings in China and Japan. I have the similarities down, but i cant find any differences. Help?
asked by Mel on May 6, 2012 
Math
a man sells a radio set a gain of 5 %.had he sold it for rs.490 less,he would have lost 2 %.find the c.p of the radio set.
asked by Simran kaur on November 25, 2012 
Math
a man sells a radio set a gain of 5 %.had he sold it for rs.490 less,he would have lost 2 %.find the c.p of the radio set.
asked by Simran kaur on November 25, 2012 
7th Math
Alana tosses 2 number cubes. She wins if she rolls double sixes Find P (Alana wins)
asked by murph on May 11, 2016 
Physics
a) Find the angular velocity of a wheel that rotates 6 times every 4 seconds. b) What is the tangential velocity of the outside of the wheel if the radius is 15 cm?
asked by Martin on May 21, 2017 
math
The difference between the ages of two friends is 2 years. The sum of their ages is 74 years. Find the age of the older friend.
asked by Anonymous on March 28, 2010 
geometry
in triangle PQR,line segment PQ is = and congruent to line segment QR. if m
asked by crystal on November 20, 2010 
Geometry
The base of the prism is a rectangle with sides 13 m and 5 m in length. Find the lateral surface and surface area of the given prism.
asked by JC on May 5, 2012 
calculus
A rectangle with its base on the xaxis is to be inscribed under the graph of y=2x^2. Find the height of the rectangle if the area is the largest possible area.
asked by Anonymous on March 2, 2008 
slope(algebra1)
can a slope be 158/120? if there are multiple data points on a graph that aren't the same (ex: up 2 over 3), do i use the first and last points to find the slope?
asked by amanda on November 2, 2008 
Math
I have a TI83 graphing calculator. How do you graph a polar equation on this calculator. Also how would I graph lim 5/x2 x>2 in order to find the limit?
asked by Abbey(Please help) on May 3, 2010 
math
kitty is 4 years younger than mario three years from now she will be two thirds as older as mario .find their present ages
asked by asiana on February 7, 2017 
math
find the domain, range, y and xintercept, vertical asymptote, maximum, minimum, onetoone, and horizontal asymptote of: a. f(x)=x^26x+5 b. f(x)=x^26x+5 on domain [1,6]
asked by Joan on September 3, 2014 
chem
if a sample of iron(III) oxide contains 22.56g of iron, what is the mass of the sample? do u just find the molar masses?
asked by rose on February 22, 2013 
chem
how would you find the answer? A carbon nucleus has six protons and six neutrons. How many electrons would it take to equal the mass of a carbon nucleus?
asked by hannah on December 6, 2010 
algebra
use the rational zero theorem to list the potential rational zeros of the polynomial function. Do not attempt to find the zeros. f(x)=2x^7x^5+8x^4+52
asked by confused on November 20, 2012 
Math
Find the x and yintercepts and graph the equation plotting the intercepts. Please show all of your work. Submit your graph to the Dropbox 2x3y=9
asked by christine on August 14, 2011 
Exploring mathematics elementary algebra
the units of a twodigit number exceeds thrice the tens digit by 1. the sum of the digits is 9. find the number.
asked by Joe Mhar Plaza on January 6, 2011 
math
There are 9 players on each basketball team in a league. Explain how you can find the total number of players in the league if there are 30 teams.
asked by conner on September 24, 2012 
Math. Help me please!
The two circles have equations x^ + (y3)^2 = 49 and x^2 + (y17)^2 =49. find the equation of the larger circle. The diagram looks like two circles on top of the other then a large circle outside.
asked by Bianca on April 14, 2011 
algebera
the lengthnof a rectangular jewelry box is 3 inches more than twice the width. the perimeter is 30 inches. find the length and the width?
asked by shelia on February 10, 2011 
Chem
A 0.649 m aqueous solution of a monoprotic acid (HA) freezes at 2.34°C. Find the pKa of this monoprotic acid. Kf of water = 1.86 °C/m
asked by Carlos on June 4, 2017 
math
a rope is cut into three pieces P,Q and R.the lengths of the pieces are in the ratio 3:5:7.if the is 33 feet and 9 inches long,find the lengths of P,Q, and R
asked by Brianna on December 11, 2013 
Math
If three times the smaller of two consecutive integers is added to four times the larger, the result is 39. Find the smaller integer
asked by Mya on October 20, 2010 
cms
The sum of two angels of a triangle is 116 degree and their difference is 24 degree . find the measure of each angle of the triangle.
asked by ayush on June 3, 2017 
maths
Xsin(theta)Ysin(theta)=sqrtX^2+Y^2 and cos^2(theta)/a^2+sin^2(theta)/b^2=1/X^2+Y^2 then find correct relation
asked by aakash on April 24, 2014 
math
how to find what number can multiply into a number up to 69
asked by alyssa on October 22, 2007 
math
line a is parallel to line b and m ∠ 18 = 42. Find m ∠ 20.
asked by 2 + 2 = on November 3, 2018 
Math
Where can I find a online calculator online?
asked by Mandy on September 13, 2007 
Math
Find the exact value of cosx/2 given that cosx = 24/25. Is this 49/50?
asked by Anonymous on October 30, 2015 
Calculus
how do i find dy/dx of y = (x^31)/cos(x) do I start with (x^31)*cos(x)^1 ? Thanks!
asked by Andrew on October 4, 2008 
pre cal
Given sin(α)=4/5 and 0
asked by tor on August 3, 2016 
math
how could i use the product 10 x 42 = 420 to find the product of 5 x 42?
asked by Francine on December 20, 2009 
Algebra (y=kx)
just read my other question and u will find the question. but i really need he lp!!!!!!!!!!!!!!!!!!!!!!!!!!!
asked by josh on December 7, 2008 
St Ans School
A number is as much less than 75 as it is greater than 45. Find the number?
asked by SNIGDHA on November 12, 2014 
Math
If the line through (x,1) and (0,y) is coincident with the line through (1,4) and (2,3), find x and y.
asked by Allyssa on May 10, 2015 
algebra
midpoint (5,15) endpoint (13,8). find the other endpoint
asked by Ernie on September 24, 2014 
Algebra
Find the xintercept and the yintercept for the equation y = ¾x + 3
asked by Kali on September 1, 2015 
Math
The first three terms of an AP are x ,2x+1 and 5x1.Find the value of x and the sum of the first 10 terms
asked by Galena on October 16, 2016 
algebra
Can someone tell me if this is correct: Find the value of the polynomial x^23x1 when x=4 1(4)^2+3(4)1 1(8)+(12)1 812+1 20+1 =19 Is this correct??
asked by jody on October 5, 2007 
math
Find an equivalent ratio for the ratio 6 to 7.
asked by Anonymous on June 9, 2016 
pre cal
Given sin(α)=4/5 and 0
asked by tor on August 3, 2016 
math
Two angles are complementary. One contains 30° more than the other. Find both angles
asked by Anonymous on April 8, 2014 
further maths
the first 3 terms of an AP are x, 2x+1 and 5x1. find x and the sum of the first 10 terms
asked by precious on February 23, 2016 
Geometry
How do you find an endpoint with a midpoint and one endpoint?
asked by Jess on October 27, 2015 
math
midpoint (4,13) endpoint (0,6). find the other endpoint
asked by Ernie on September 27, 2014 
math (transformations)
point (3, 8) is on the graph y=f(x) find the new point on: y = f(x  2) 3
asked by Tom on July 4, 2008 
algebra
Find solutions to the system y=x^2+3x4 y=2x+2 A (3,6)and(2,4) B (3,4) and (2,6) C (3,4) and (2,2) D no solutions
asked by ninaaaa on March 31, 2016 
Algebra 2 help.
For the function f(x)=(34x)^2, find f^1. Determine whether f^1 is a function.
asked by Heather on January 14, 2014 
algebra
Find x when x=20 x=20 is this answer right. I do not how to do this problem I need help. {3(58)3}{1(26)}=15+92+6 help with this problem.
asked by Johnnie on February 17, 2009 
math
Five added to twice a number gives 35. Find the number
asked by linear. equation on August 3, 2017 
Math
Find the first three iterates x1,x2,x3 of f(x)=2x5 for an initial value of x0=3. x1=f(x0) =f(1) =2(1)5 =3 2(3)5 65 11 2(11)5 225 27 the first three iterates are: 3,11,27
asked by Jon on March 4, 2008 
Algebra
(x2)+1/x+1 is a fraction it equals 2/3.find x and the fraction
asked by Sham on January 23, 2016 
analytic geometry
A parabola y=ax^2+bx+c has vertex (4,3). If (3,0) is on the parabola, find a.
asked by AJ on October 30, 2018
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