
Math
If the area of A rhombus is 240 sq. meter and perimeter is 68 meter, find out the lengths of the diagonals?
asked by Sujan Kumar on July 25, 2016 
math
A segment of a circle has a 120 arc and a chord of 8^3in. Find the area of the segment.
asked by Delecia on April 18, 2013 
Physics
Consider a concave mirror with a focal length of 14.98 cm. a) Find the image distance when the object distance is 14.98 cm
asked by Angel on March 27, 2012 
math help
find an equation of the line passing through the given points. Write the equation in function notation (4,5) and (2,9) f(x)=
asked by Anonymous on October 11, 2010 
Calc
Can anyone help me find the derivative of these functions? y = x^2x y = x^cos(x) y = ln(7x^2 + 5y^2) sqrt(3x+y)=2+x^2y^2 ysec(x) = 3xtan(y) y = arctan[(sqrt((1 + x)/(1  x)))]
asked by Patrick on October 26, 2009 
Calculus
Let me try to ask this question a different way: 4x^2+2x+xy=12 and y(2)=4 find y(prime)(2) by implicit differentiation. I can differentiate it to 8x+2+y+xy(prime)=0 I don't know what to do with the y(2)=4 after this point.
asked by Elisabeth on February 25, 2010 
stat
Find the sample variance s2 for the following sample data. Round your answer to the nearest hundredth. x: 23 17 12 35 29
asked by jackie on February 6, 2011 
Calculus  help please! :)
1. Given that f(x) = x^2 − 2x and that g(x) = sqrt(x15): A. State (g • f)(x) and (g + f)(x). B. Find all vertical asymptotes of (g/f)(x). C. Determine the domain of (g ○ f)(x). D. Determine the range of (g ○ f)(x).
asked by Samantha on October 9, 2013 
Statistics
Find the probability a five card hand chosen from a standard 52 card deck has at least three spades.
asked by Austin on September 15, 2018 
chem
The voltage of the cell Pt (s) I H2 ( 1 bar)I RNH2(0.1 M), RNH3+ Cl(0.05 M)IIS.H.E. is 0.49 V. Find kb of the base, RNH2
asked by katya on November 16, 2008 
Physics
Given the displacement vectors A = (7.00  1.00 + 3.00 ) m and B = (6.00 + 5.00  3.00 ) m, find the magnitudes of the following vectors and express each in terms of its rectangular components. (a) C = A  B (b) D = 3A + B
asked by Abraham on September 26, 2012 
physics
Find the mass of 0 degree C ice that 15 g of 100 degree Csteam will completely melt.
asked by christy on April 3, 2012 
geometry
"Two angles are complemantary.one angle measures 14 degrees lesa than twice the other.Find the measure of the two angles". I need help please...
asked by Stef on August 28, 2012 
Chemistryr
Add 0.40 g of NaOH to 50.0 mL of 0.10 M HCOOH, and find approximate pH. No volume change, Ka HCOOH=1.8x10^4. I get pH 8. Right?
asked by Jim on May 6, 2010 
math
after jenny spent 1/3 of her savings on a schoolbag,she had rs.780 left.find jenny saving at first.
asked by aysha on October 23, 2017 
Maths
An exterior angle of a triangle is 15°& one of the interior opposite angle is 35° find the other two angles of a triangles
asked by Vaisshnavi on September 13, 2016 
Analytical Chemistry
Consider the titrations of 24mL of 0.050M HClO4 with 0.100 M KOH. Find the pH at the following volumes of KOH; Vb: 0.1, 5, 10, 12.40, 12.50, 12.60, 13
asked by Jocelyn on October 7, 2012 
PHYSICS!!
Comet Halley returns every 74 years. Find the average distance of the comet from the sun. How do i do this??
asked by Nic on January 16, 2008 
Math
Twelve boxes of pencils cost $16. Write an equation that could be used to find the cost per box.
asked by Amy on November 4, 2014 
10th grade
the circle is circumscribed by the pentagon as shown (not drawn to scale). If QZ=10, YX=9, XW=9, UW=17, and SU=10, find the perimeter of the pentagon.
asked by josh on May 20, 2010 
calculus
Find the derivative of the function below in two ways. F(x) = (x  7 x sqrt(x)) / sqrt(x) (a) By using the Quotient Rule. (b) By simplifying first.
asked by jken on November 5, 2008 
Math (Calc)
Find the Exact value of Pi/24. I'm not sure whether to use a halfangle formula or a difference/sum of angles formula.
asked by Bryan on December 9, 2007 
geometry
I was assiged a 44 question assigment and I really need some help.I'm stuck on this question: "Find the coordinates of S for RS if Q is the midpoint and R is an endpoint. Q(6,5),R(4,4)
asked by Rick on August 28, 2012 
discrete mathematics
prove the euclid division given and int j and k>0 then one can find a unique pair (q,r) of int state j=q*k +r and 0
asked by john on April 3, 2012 
Algebra
write an expression to show the difference of twice X and 3 then find the value of your expression if x equals negative 2 Help again pls
asked by Chandler on August 26, 2015 
calculus
find and classify all local minima, local maxima, and saddle points of the function f(x,y)= e^y(x^2+y^2)
asked by karen on July 13, 2010 
Math
Find the halflife (in hours) of a radioactive substance that is reduced by 10 percent in 5 hours.
asked by David on August 28, 2012 
Math 214
How do you find the volume of a right circular cone with a hemisphere? The height of the cone is 8 cm and the radius in 4cm.
asked by Calli on April 17, 2011 
math
a cylindrical soup can has a radius of 4.1 inches and a height of 2 inches. find the volume of this can in terms of pi
asked by Anonymous on January 21, 2013 
math
If you are dealt 6 cards from a shuffled deck of 52 cards, find the probability of getting 3 jacks and 3 aces.
asked by Junior on June 25, 2014 
Math
the sum of two numbers is 30. the difference of their squares is 180. find the two numbers by elimination method
asked by Anonymous on December 28, 2016 
Math
I don't know how to solve this equation. cos(30) = x / 6 How would I solve this to find the missing side of a 306090 triangle?
asked by John on May 25, 2018 
algebra
The length of a rectangle is four times its width. If the area of the rectangle is 392 yd, find the perimeter
asked by Derrick on December 3, 2014 
Algebra
With the polynomial: f(x) = 5x^3 + 8x^2 4x + 3 a. The Fundamental Theorem of Algebra states that this polynomial has ______ roots. b. Find f(x).
asked by Anonymous on May 25, 2018 
math
Please help me to find an equation for the tangent to the curve xsin2y=ycos2x at the point (phi/4, phi/2)
asked by deel on August 13, 2012 
physics
A hammer falls from a scaffold on a building 50.0m above the ground. Find its speed as it hits the ground.
asked by stacey on February 22, 2011 
Math
Use the clues To find the Mistery Number. The number os less than 800 and greater Than 780. It has 8 more tens than ones
asked by Mirella on May 29, 2016 
math
which expression is equivalent to 3/4x24. It imultiple choice a 1/4(3x48) b 1/4(3x24) c 3/4(x32) d 3/4(x+32) I did it by trying each one out I got c 3/4(x32) mult 3/4 by both 3/4x24 Is this correct on how to find the answer and is it correct? thanks
asked by b6 on January 6, 2013 
Percent of loss
Find the loss if necessary round to the nearest cent. Cost $ 523.20 percent of loss 19.2%
asked by Ana on May 17, 2016 
Physics
A hemisphere of radius r is placed on a horizontal plane and a small mass of "m" is placed on the top of the hemisphere. Find the height from the ground to the mass m,at the moment it loses it's contact with the hemisphere.And the contact is frictionless.
asked by Shenaya on July 11, 2017 
Statistics
1. For the following exercise, complete the following by using the data sets below that provides the ages of the first seven presidents: a. Find the mean, median, and range for each of the two data sets. b. Find the standard deviation using the rule of
asked by Mercede on April 26, 2010 
Algebra
How would I complete this problem? Geometry. The area of a rectangle of length x is given by 3x^2 + 5x. Find the width of the rectangle. I think the width is 3x+5 but not sure. Subjects Art Business Computers English Foreign Languages Health Home Economics
asked by Loreal on June 5, 2007 
Math
#1.) The first row of an amphitheater contains 50 seats, and each row there after contains an additional 8 seats. If the theater seats 938 people, find the number of rows in the amphitheater. #2.) At oceanside deck the first high tide today occurs at 2:00
asked by Wavikz on June 12, 2007 
Chemistry(Please help)
What is the pH of a 5.06E2 M aqueous solution of sodium acetate? I know that I would set this up the same way I did for the previous question that I posted. I am just confused on how to find the Ka. I know it is kw/kb but for what compound is what I do
asked by Hannah on April 8, 2012 
math statistic
One of your friends knows that you are taking Advanced Placement Statistics and asks for your help wither Chemistry lab report. She has come up with five measurements of the melting point of a compound: 122.4, 121.8, 122.0, 123.0, and 122.3 degrees
asked by rhinechilde on February 16, 2017 
Grade 10 Maths
An area for planting crops is given by: A = 800 + 20x  1/2x^2 Find the value of x which the area is a maximum
asked by Julia on September 11, 2014 
maths
use formula v=u +at to find the velocity when the initial velocity is 3m/s, the acceleration is 1.5m/s2, the time is 7 seconds
asked by kate on October 5, 2018 
physics/electrical circuits
there are two wires a and b. if the resistance of B is R and the diameter of A is twice of B, the length and the nature of the material is the same, find the resistance of A.
asked by doffy on March 3, 2018 
algebra
ok I have a algebra question how do you find the missing number for 429=43? how do I get the answer and I need to understand it? I think the answer might be 45
asked by julie on December 5, 2011 
calculus
the graph of f(x) passes through the point (0,6). the slope of f at any point P is 2 times the ycoordinate of P. find f(1)
asked by Beth on October 14, 2010 
math
evaluate the squared root of 13.2/0.33,do i work out the division first then find the square root??
asked by mika on April 9, 2008 
math
find the following probabilities after rolling a single one time. what is the probability of rolling on a 5 on the die?
asked by yatta on February 18, 2017 
chemistry 2 college
explain how to find the mass of solute in the solution: 50.0g of solvent in a 10.0% NaCl solution?
asked by deedee on March 24, 2013 
Mathamatics 101
An angle is 35 degrees more than 4 times its supplementary angle. Find the measures of the two angles.
asked by Tim on February 5, 2012 
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 
Calculus
f(t)=4.9t^2+25t+3 meters what is the average velocity during the first two seconds? find the instantaneous velocity at t=2
asked by Emily on February 13, 2011 
Math
Find the perimeter and area of a right triangle if the shortest side is 20 mm. and the longest side is 52 mm.
asked by Jen on July 5, 2011 
Maths
Find the equation of the parabola with its axis parallel to xaxis and passing through the points (2,1),(1,2),(1,3)
asked by Angelina on February 14, 2016 
Math
The length of the rectangle is 7/(x4) feet, while its width is 5/x feet. Find its perimeter. Please helppppp!!!!!!! :(
asked by Andrea on September 13, 2018 
Math
A 274cm timber is cut into three pieces in the ratio 3:7:11,find the length of each ratio.
asked by Donnish Femi on September 28, 2015 
Math Calculus (ALEVEL)
Find the equation of the tangents to the curve x^2+3x2y^2=4 at the points where the curve crosses the x axis
asked by Anonymous on March 1, 2015 
Math
IN A FOUR DIGIT NUMBER THE FIRST Two DIGITS ARE BOTH 2 .the sum of the ones and tens digit is 14 find the numbers
asked by Jiji on March 24, 2018 
factors math
The gcf(a,b) = 495 and lcm( a,b) =31,185 Find possible values of a and b if a is divisible by 35 and b is divisible by 81.
asked by kendra on November 29, 2011 
Math
Find the parabola with equation y = ax^2 + bxwhose tangent line at (2, 12) has the equation y = 14x − 16
asked by Anonymous on October 13, 2012 
math 8th
Find the circumference of the given circle. Round to the nearest tenth. circle (1 point) 22.0 cm 38.5 cm 11.0 cm 42.8 cm
asked by james on April 18, 2014 
algebra
Grace runs 3 miles per day. Find this rate in feet per day
asked by alex on May 8, 2012 
math
in a class of 480 students if 60% are boys then find the number of girls in the class?
asked by Niran on April 22, 2014 
math
4.find to the nearest degree the celcius reading when the farenheit reading is 72 degrees
asked by chris on September 6, 2009 
Math
In the figure to the right, ABCD is rectangle. Find the area of △ABC, if the area of △AOD is 10.
asked by Scarlet URGENT on March 5, 2017 
pharmacy
Where would you find information on drug interactions in an older style drug monograph
asked by Anonymous on October 15, 2012 
Math
In the figure to the right, ABCD is rectangle. Find the area of △ABC, if the area of △AOD is 10.
asked by Matt on March 5, 2017 
Math (check)
4. A spinner is divided into 10 equal sections numbered from 1 to 10. You spin the spinner once. Find P(not even). A. 1/3 B. 1/2 C. 1/5*****? D. 1/4
asked by me on May 4, 2014 
mathsurgently needed
A number of 4 different digits is formed by using 1, 2, 3, 4, 5, 6, 7. Find the probability that it is divisible by 5. Digits can be repeated
asked by Anonymous on February 18, 2013 
Math
Find the quadratic polynomial whose graph goes through the points (2,5), (0,5), and (1,11). f(x)= ______x^2+ ______x+ _______
asked by Lucy on May 4, 2014 
Math
Find the specific solution for the following differential equations: a) (dy/dx)^2  x^4 = 0 given the initial value y(1) = 0 b) dy/dx = ysinx given the initial value y(pi) = 1
asked by Alice on November 9, 2008 
Math
A basket contains 6 oranges and 4 tangerines. A sample of 3 is drawn. Find the probability that they are all oranges.
asked by Mary on March 8, 2016 
geometry
A rhombus has a diagonals of length 4 and 10. Find the angles of the rhombus to the nearest degree.
asked by Anonymous on February 13, 2011 
math
kathyrn is thinking of four numbers from 1 through 9 with a sum of 18 find the numbers. this is the questions to the answer above.
asked by JACKIE CHAN on February 5, 2015 
Geometry
Rombus ABCD has an area of 264 square units. If DB =12 units find AC.
asked by Joy on April 10, 2011 
Science
What is the difference between overpopulation and Consumption overpopulation? What components would you find in an overall plan for sustuinability?
asked by Helen on October 3, 2012 
Geometry
For an ellipse, one focus is (0,0), one vertex is (2,0), and the eccentricity is 0.4. How do I find the equation for the ellipse? It seems like I have so little information!
asked by Confused on May 28, 2012 
math
The day started out at 16 F and ended at 25 F. Find the percent change for the temperature throughout the day?
asked by matt on January 29, 2012 
mathes
find an equation of the normal line to the curve y=radx3 that is parallel to the line 6x+3y4=0
asked by Anonymous on December 16, 2013 
maths
a two digit no.is 3more than 4 times the sum of its digit if 18 idded to the no.are reversed .find the no
asked by aditi on May 25, 2014 
math
The measures of two angles which form a linear pair are in the ratio 2:7. Find the measures.
asked by sim on February 13, 2016 
Damon or Sue please help!!
Find the perimeter and area of a right triangle if the shortest side is 20 mm. and the longest side is 52 mm.
asked by Jen on July 5, 2011 
Math
In a school 4/11 of the students are girls.if there are 490 boys, find the number of girls.
asked by Sapna on May 23, 2017 
math need help urgent
find the domain f(x)=x/x8,g(x)=7/x solve the following exponential equation equation exact answers only 3e x1 = 2+e^x1
asked by zach w on November 27, 2012 
PreCalc
Using the difference for formula, find the tan 255. Step by step would be appreciated
asked by Dan on December 18, 2013 
physical science
A 2400kg truck accelerates from 20 m/s to 35m/s in 5s. find the net force on the truck
asked by willie langhorne on May 6, 2014 
Geometry
In the figure to the right, ABCD is rectangle. Find the area of △ABC, if the area of △AOD is 10.
asked by Matt on March 5, 2017 
College Math
Find the perimeter and area of a right triangle if the shortest side is 20 mm. and the longest side is 52 mm.
asked by Jen on July 5, 2011 
algebra
A cube measuring 6.7 cm along each edge has a mass of 78g. Find the density of the cube.
asked by Matt on October 14, 2010 
math
how do you find the perimeter of a triangle like this but with an 8 on one half of the middle (cut in half) and the bottom being 5m . . . . . .......
asked by Anonymous on April 5, 2010 
math need help urgent
find the domain f(x)=x/x8,g(x)=7/x solve the following exponential equation equation exact answers only 3e x1 = 2+e^x1
asked by zach w on November 27, 2012 
math 6th grade
write the rule anf find the missing input. input out put 0 5 3 14 x 32
asked by nick on May 7, 2012 
Geometry
Line TV bisects
asked by Robert on August 19, 2015 
Geometry
If line PQ bisects with Line ST at R. SR = 3x +3 and ST = 30 Find x I come up with x being 9 to equal 15 but the choice for answers are: x=8 x=6 x=4 x=2 What am I doing wrong?
asked by Jonathon on August 19, 2015 
Math
Mishelle is 7 years younger than Paul. Given that the sum of their ages is 29, find their ages
asked by Stacy on September 16, 2018 
college math
Find the perimeter and area of a right triangle if the shortest side is 20 mm. and the longest side is 52 mm.
asked by Jen on July 5, 2011
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