
Algebra 2
Two times a number subtracted from its square equals 143. Find the number(s).
asked by Charlie on January 18, 2016 
Math
The value of a particular stock dropped from $83 in February to $48 in September. Find the rate of change in the value of the stock.
asked by mary on July 17, 2011 
Math
Given the following frequency distribution, find the mean, variance, and standard deviation. Class Frequency 3133 18 3436 25
asked by Jennifer on November 10, 2011 
algebra
The height of a triangle is 4x + 5 inches and its base is equal to its height. Find its area.
asked by Anonymous on June 27, 2012 
Math
Given the following frequency distribution, find the mean, variance, and standard deviation. Class Frequency 3133 18 3436 25 3739 22 4042 9 4345 20
asked by Jennifer on November 10, 2011 
chemistry
Find the quantum value of a 5py orbital. I know the quantum numbers (n,l,m,s) and all that, but I'm not sure where to begin or go after that. Answered below.
asked by John on November 26, 2006 
math/reading
If a=1, b=2, c=3, d=4, e=5, f=6 I need to find any combination of these letters that creates a number value more than 30. you can use the letters as many times as you need to. so far I can only think of effaced, but that is only 30.. any help?
asked by Beth on January 31, 2007 
Math
How to find the exact value of tan(sin^1x/2) I'm having trouble with finding the inverse of sin x/2 value.
asked by Bob on March 19, 2013 
Calculus
Using the Disk Method or washer method (im not sure which one) Find The volume of y=x^3 , y=1 , x = 2 revolving around the X axis
asked by Andrew on December 16, 2008 
Science
A cyclist speed up at a constant rate from rest to 8m/s to 6s. Find the acceleration of the cyclist
asked by Anonymous on May 8, 2017 
Algebra
I have to find the standard form of a quadratic function with the vertex of 1,4 and x intercepts of 3,0 and 1,0. What do I do when I have two x intercepts like this?
asked by Erin on November 8, 2009 
mathematics
four numbers are in g.p if the product of these extremes is 243 and the sum of the middle two is 36.find the numbers
asked by Anonymous on January 26, 2016 
mathematics
four numbers are in g.p if the product of these extremes is 243 and the sum of the middle two is 36.find the numbers
asked by Anonymous on January 26, 2016 
mathematics
four numbers are in g.p if the product of these extremes is 243 and the sum of the middle two is 36.find the numbers
asked by Anonymous on January 26, 2016 
Maths
Find the number of positive integers
asked by Ian on April 12, 2013 
math
Find the lengths of each side give the following right triangle: Base=x hypotenuse=x+6 last side=x+3 thank you!
asked by Jonah on April 14, 2018 
Calculus
Find the equation of the tangent to the curve y=2e^x at the point where x=1. Can someone please do this step by step and explain?
asked by Sam on June 5, 2008 
French
Is there a French word for "a facial" like the treatment of the face. I'm trying to use it in my paragraph and I can't find the word for it.
asked by Natalie on June 8, 2008 
math
The mean of the scores of three students in a class is 9. If the modal score is 11, find the lowest score.
asked by somay on November 28, 2016 
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 
11th grade physics
find the value of 60 joule per minute on a system which has 10 cm,100gm, and 1 minute as fundamental units.
asked by help on November 8, 2010 
Calculus
Find the area of the region bounded by the graphs of y = x2 − 4x and y = x − 4. a)  4.500 b) 4.500 c) 2.333 d) None of these
asked by Alice on January 25, 2019 
algebra I
Find a number whose square root is 24 more than 5 times the number. How do I set up this problem?
asked by Dylan on October 23, 2010 
Math
Sandy can jog 3 2/5 in 5/6 hour. Find her average speed in miles per hour.
asked by Deja on October 20, 2015 
Math
Find the set of all z such that neither 2+z nor 2z is in the interval (1,1]. Express your answer as an interval or as a union of intervals.
asked by Jeff on November 28, 2016 
Math
Find a number whose square root is 24 more than 5 times the number. How do I set up this problem? Thank you for any help!
asked by Dylan on October 23, 2010 
geometry
m∠1=14b−22 and m∠3=11b. Find b. angle 1 and angle 3 are vertical, making them congruent.
asked by roj on June 23, 2018 
Math
8y = 2x 7 +9y +7= 2x Determine whether each equation represents a direct variation. If it does, find the constant of variation.
asked by Mike on November 28, 2016 
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 
Mathtrig
So how do find the arcsec(3)? secy = x secx = 3 1/cosx = 3 1 = 3cosx 1/3 = cosx Now what angle is this?
asked by Jordan on June 20, 2018 
Goemetry
segment PQ with endpoints P(4,2) and Q(2,17) is dilated by a scale factor of 4. Find the length of segment P',Q'
asked by Emma on June 9, 2014 
Chemistry
PLS solve this: Find the amount of mol of lead in 2.5g of lead(2)trioxonitrate(5)
asked by Aanu on September 23, 2009 
algebra
Find the equation of the line that passes through the points ( 8,  15 )and(2,5). write the equation in y=mx = b form.
asked by Julie on February 19, 2011 
geometry
find the measures of each side of triangle abc with vertices a(1,5), b(6,1), c(2,6) and classify the triangle.
asked by Tori on February 19, 2011 
Literacy
Find three writing assignments and evaluate them based on the Six Trait Writing Rubric
asked by Anonymous on April 11, 2010 
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 
algebra & trigonometry
The sum of two numbers is 210. If one number is the square of the other, find the set of numbers. Thanks
asked by daniel on February 11, 2014 
math
Angle DEF 90degree =DEF and13 santimeter DF =5 sanrimeter find DE and EF
asked by kamran on May 6, 2017 
Math
How many feet are in 10 inches? I know 1foot=12inches but I don't know how to find out how many feet are in 10inches
asked by Jaycee on January 23, 2012 
math
At the school store, 5 pens sell for $1.25. Which proportion will help find the cost of 12 pens?
asked by allen on February 25, 2011 
Math
Find the exact value of the trig expression given that sin u = 5/13 and cos v = 4/5. u and v are in the second quadrant. cos(v  u)
asked by Anonymous on October 25, 2015 
maths
you and your family go to a restaurant. the bill is $26.98 including $1.53 in tax. find the percent tax. please help. thanks
asked by kjeryn on September 24, 2009 
value
A carpet is placed in a room 5m by 4m,leaving a margin of 50 all around .find the cost of this carpet at sh 63 persquare
asked by value on January 18, 2017 
Geometry
THe area of a trapezoid is 80 units. If its height is 8 units, find the length of its median?
asked by Malik on February 8, 2011 
Math
Find the indicated onesided limit, if it exists 1.lim f(x) and lim f(x), where x>0^+ x>0^ 2. f(x) = [2x if x is less than 0] [x^2 if x is greater than or equal to 0]
asked by Anonymous on February 8, 2011 
math
A is 15 years elder than B.5 years ago A is four times as old as B.find their present ages
asked by Nausad on August 26, 2014 
Math
The scale of map is 1:20000. Find the area on the map which represents 124km^2
asked by Vince on June 3, 2010 
Math
The three lines xy+1=0 ,2x+y4=0 ,and x+y+5=0 intersect to form a triangle. Find the coordinates of the vertices of the triangle.
asked by Vanessa on September 9, 2012 
geometry
The endpoints of are A(9, 4) and B(5, –4). The endpoints of its image after a dilation are A'(6, 3) and B'(3, –3). can you please Explain how to find the scale factor.
asked by Cindy on December 19, 2011 
algebra
The area of a rectangle is 60 in ^2. The length is 4 inches greater than the width. Find the length. a) 6 in. b) 3 in. c) 4 in. d) 10 in.
asked by kim on June 3, 2010 
Chemistry
PLS solve this: Find the amount of mol of lead in 2.5g of lead(2)trioxonitrate(5)
asked by Aanu on September 23, 2009 
algebra
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 lilly on October 22, 2015 
Math
55% of the studnts in a school are girls.find the total no. of studnt in the school if the no. of boys is 18 .
asked by Simran kaur on November 18, 2012 
maths
The radius of a circle is 8 cm and the length of one of it's chord is 12 cm find the distance of the chord from the center.
asked by Ashish kumar on March 16, 2017 
math
Two circles of radius 4 are tangent to the graph y^2=4x at the point (1,2). Find the equations of the two circles.
asked by David on October 14, 2009 
geometry
if line BE bisects m
asked by yomamma on January 23, 2012 
Calculus
Find the length of the arc formed by x^2=9y^3 from point A to point B, where A=(0,0) and B=(81,9) Please help, I have no clue as to where to go with this problem! Thanks!
asked by Anonymous on March 2, 2013 
calculus
find all zeros of the following polynomial. write the polynomial in factored form. f(x)=x^33x^2+16x48
asked by ladybug on December 22, 2012 
Math
Find a counterexample to show that the conjecture is false. Any number that is divisible by 5 is also divisible by 3. A. 45 B. 60 C. 30 D. 25
asked by China on April 11, 2012 
algebra
The value of a particular car dropped from 25,000 in may 21,000 in october.find the rate of change in value
asked by babygirl on September 29, 2011 
math
Find the volume generated by rotating the area between y = cos( 3 x ) and the x axis from x = 0 to x = π/ 12 around the x axis
asked by sk on September 29, 2011 
algebra
f(x)=v^2+13/v^24v32 Find all numbers that are not in the domain of the function. Then give the domain in set notation.
asked by Anna on March 29, 2012 
Vectors
Find the volume of a parallelepiped with 3 edges defined by Vectore a = (2, 1, 4), Vector b = (5, 9, 0) and Vectore c = (0, 3, 7).
asked by Hera on July 20, 2019 
trigonometry
Find an exact value for csc 11pi/12 How do I do this? I change it to 1/(sin 11pi/12) but then I'm stuck what to do.. Thanks
asked by Ann on August 20, 2016 
math
Find the measure of a exterior angle and a interior angle of a polygon with x+2y sides. How do you do that?
asked by Emily on March 27, 2007 
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 
Algebra
The base of a triangle in terms of x is: 2^2+4x+2 and the height is x^2+3x4 Area=1/2(2x^2+4x+2) (x^2+3x4)= 6x^2+2 (x^2+3x4) Trying to find the area and not sure which direction to go
asked by Babydoll2007 on November 2, 2014 
Math...Please Help!
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 Kayla on December 21, 2012 
Algerbra
Find the width of the rectangle with a length of 16 cm. the rectangle is inside the circle with a radius of 10 cm
asked by Emma on October 13, 2016 
Algebra
Find a polynomial function of degree 3 with the given numbers as zeros. 5, sqrt3, sqrt3
asked by Breanna on July 14, 2009 
Math
Find the measure of the reference angle for 400 degrees. I did the work and got 40 degrees, is this right?
asked by Sophie on June 8, 2009 
Geometry
The points A,B,C,D have coordinates (3,3) (8,0) (1,1) (6,4) respectively. Find the coordinates of the point of intersection of the diagonals AC and BD? Help plZ!!!
asked by Sal on January 30, 2013 
geometric progression
find the sum of series 1+1/3+1/9+1/27+... to n terms sir this question answer 3/2(11/3n) sir please help me
asked by ajay on September 14, 2017 
math
Find the original price of a pair of shoes if the sale price is $ 9 after a 75 % discount.
asked by Jasmine on September 7, 2016 
Statistics
Find the probability that for a random sample of 4 states the sample mean x is between 475 and 525
asked by Juan on February 12, 2013 
maths
the equation of the circle is x^2+y^2+2x8y1=0. Find the coordinates of the point where the circle crosses the xaxis
asked by mumba on March 30, 2012 
Math
If A and B are acute angle such that SinA=8/17 and CosB=3/5.Find 1, Cos(A+B) 2, Sin(A+B) 3, Sin(AB)
asked by Ada Enugu on January 29, 2013 
science physics
a force acted upon a body by 3 given force is under equilibrium if f1 =10n and f2 =6n find f3 and angle
asked by vaani on June 30, 2016 
geometry A please help
given
asked by lisa on October 15, 2013 
Math
If A and B are acute angle such that SinA=8/17 and CosB=3/5.Find 1, Cos(A+B) 2, Sin(A+B) 3, Sin(AB)
asked by Ada Enugu on January 29, 2013 
Precalculus
Points A, B, and C are on a circle such that angle ABC=45 degrees, AB=6, and AC=8. Find the area of the circle.
asked by Katie on April 9, 2016 
Trig
Find the algebraic expression that is equal to sec theta  cos (theta)
asked by Amanda on March 24, 2016 
calculus
How do you find the derivative of (2(x^2+1))/((x^21)^2) ? I have the answer which is: (4x(3+x^2))/(x^21)^3) I can't figure out my mistake when I'm doing it though. Could you solve it step by step?
asked by Jordan on January 6, 2011 
MATH
Find the values of b such that the function has the given maximum value. f(x) = −x^2 + bx − 14; Maximum value: 107 (smaller value): b= (larger value): b=
asked by anonymous on March 28, 2019 
math
find the equation of the line with slope 8 and passing through (5 , 6 ) slope intercept form
asked by Fe on July 3, 2016 
Algebra
Find the x and y intercepts and graph the equation plotting the intercepts.Show work...5x+8y=40
asked by sherry on March 17, 2012 
Math
Help please on how to solve the following problem: If E,N,O,T, and W each represent a different integer, can you find more than one solution to this problem? Thanks in advance!
asked by Dylan on November 13, 2007 
college math
apply the quadratic formula to find the roots of the given function, and then graph the function. f(x) = x2  4 g(x) = x2  x  12
asked by jennie on December 10, 2010 
Math
how did farmer john find his missing cow? How did the cow get over the block of hay?
asked by crystal on August 28, 2013 
math
Find the equation of a line that is perpendicular to the line y=1/8x+5 and contains the points (7,0) y= please show work
asked by caylan on January 6, 2013 
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 
Calc 1: Max/Min
Find values for a and b so the function f(x)= ax*e^bx has the max value f(1)=3. Give exact values for a and b, not decimals)
asked by Anonymous on October 22, 2014 
physics
a car travels 4km in 3 minutes.find the speed of car in cms1
asked by karan deeo on May 30, 2016 
Maths
Find the centre and radius of a circle 36x^2+24x+36y^236y23=0
asked by Ande2 on July 18, 2019 
Calculus
Find the relative extrema and absolute extrema if any. Use the first derivative test for the function f(x)=x^33x+2
asked by Alan on April 17, 2012 
college algebra
Use a calculator to find y to four decimal places, if possible. (If an answer is undefined, enter UNDEFINED.) ln y = −0.35
asked by Dee on November 4, 2013 
calculus
Use the linear 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 6, 2008 
college math
apply the quadratic formula to find the roots of the given function, and then graph the function. f(x) = x2  4 g(x) = x2  x  12
asked by jennie on December 10, 2010 
Chemistry
Kp=1.6 Kp=1.0*10^4 A2B Find the equilibrium partial pressures of A and B B=1.0 atm A=0.0 atm This is what I have so far A 2B 0 1.0 +p p p 1p [B]^2/A (1p)^2/p = 1.6 then got a quadratic equation of p^2+1.6p1 to get x=.48
asked by maura on March 12, 2012 
Chemistry
Kp=1.6 Kp=1.0*10^4 A2B Find the equilibrium partial pressures of A and B B=1.0 atm A=0.0 atm This is what I have so far A 2B 0 1.0 +p p p 1p [B]^2/A (1p)^2/p = 1.6 then got a quadratic equation of p^2+1.6p1 to get x=.48
asked by maura on March 12, 2012
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