
science
machine fires 5 bullets per sec each of velocity 200m/sec. find power of the gun.
asked by spandana on September 28, 2012 
alg 2
a rectangle is to be inscribed in a isosceles triangle of height 8 and base 10. Find the greatest area of such rectangle.
asked by keeter on January 17, 2011 
hard core physics
A car is at motion.It horns an hears the echo of the sound after 6 sec.find the speed of the car.
asked by j on July 27, 2016 
math
need to know how to find the distrbutive property of 50x62,159= (50x )+(50x )+(50x100)+(50x50)+(50x9)
asked by Alaina on March 28, 2013 
arithmetics
what if they wanted me to find out what 1 and two thirds of 36 was or 2 and two thirds of 36?? "of" means multiply. If they say "what is 4 and 1/2 of 8?" You take 4.5 x 8 Matt Check down below ( at your first question) I answered it there.
asked by chrissy again on July 10, 2007 
PreCalculus Help, thanks:)
Find the domain of f(x) = 1/ (square root 2x^27x15) I tried setting 2x^27x15 greater or equal to zero but I don't know where to go from there to solve for my domain. Help please!:)
asked by L.Bianchessi on March 11, 2012 
Physics
Two spheres are cut from a certain uniform rock.One has radius 4.50 cm.The mass of the other is five times greater. Find its radius.
asked by Amy on September 24, 2011 
algebra
6x+5y=17 find the equation, in slopeintercept form, for the line which is parellel to this line and passes through the point (10,3)
asked by michael on September 27, 2012 
Geometry
find the area of a parallelogram with diagonals of lengths 10 inches and 22 inches that intersect at a 65 degrees angle
asked by Joe on May 17, 2011 
Math
The third angle in an isosceles triangle is 116° more than twice as large as each of the two base angles. Find the measure of each angle.
asked by Gabriel on September 30, 2014 
math
The length of rectangular garden 5m longer than its breadth . If the perimeter is 150 than find its area of garden
asked by bhola on September 11, 2018 
physics
a ball is thrown vertically upward with an initial velocity of 20 m/s? find the height attain by the ball?
asked by shubhum on September 19, 2014 
maths
A rectangular feild 15m long and 9m. Width it has apath 1.5m width all around it find the area of the path
asked by suchitrs on February 22, 2017 
algebra
Find a bound on the real zeros of the polynomial function f(x)=x^4+x^34x6 Every real zero of f lies between ______ and______.
asked by Sharday on June 8, 2013 
calculus
Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis. y=x^2, y = 0, x = 0, x = 3, about the yaxis
asked by Matthew barlow on December 7, 2011 
Math
two pyramids are similar with a ratio of surface areas of 25:64, find the volume of the second pyramid given that the first has a volume of 250 m
asked by Kelin on July 28, 2016 
Calculus
Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis. y=x^2, y = 0, x = 0, x = 3, about the yaxis
asked by Matthew barlow on December 7, 2011 
chemistry
How would you find the empirical formula for this... a substance was found by analysis to contain 20% by mass calcium and 80% by mass bromine.
asked by Jamie Marie on October 29, 2009 
math
Find the EXACT value of sin(2A) if cscA=5/4 Assume A is a Quadrant I angle in standard position. sin(2A)=
asked by math on July 30, 2019 
trigonometry
Find all the angles between 0 degrees and 360 degrees which will satisf y the equation: 5tan^2 y +5 tan y = 2 sec^2 y
asked by lindsay on May 2, 2012 
Trigonometry
How do I find all solutions to: tanx+3cotx=4? The answer choices are: a.) x=arctan3+nPi b.) x=arccot3+nPi
asked by Grace on January 1, 2010 
geometry

math
Find the height of this cylinder given that the surface area is 628 square inches and the diameter is 10 inches.
asked by charlene on June 10, 2013 
math
find the capacity of an oil tank if an addition of 15 gallons raises the reading from 1/4 full to 5/8 full
asked by sh on July 23, 2016 
Algebra
The following functions are defined for all real values of x. Find the range of the funcion. 1) y=m^24m5 2) y=9v^218v55. Thank you for your help. (Please step by step.
asked by HELPPPPP on November 9, 2016 
mathsurgently
An arc of a circle is of length 5p cm and the sector is bounds has an area of 20p cm^2 find the radius of the circle.
asked by Anonymous on January 20, 2013 
physics
A body travels with uniform acceleration.Its final velocity,v=1807x,where x is the displacement.Then find its acceleration.
asked by go ramesh on September 30, 2014 
Calculus [Finding volume of solid]
Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis. y=x^2 y=0 x=3 about the yaxis
asked by Ali on November 30, 2012 
math
find the principle that will yield a compound interest of rs1632 in 2 years at 4% rate of interest per annum
asked by hdh on February 12, 2017 
Precalculus
If sinu = 5/7 and pie
asked by joel on January 13, 2010 
Math
In a parallelogram a diagonal of the length 20 cm is perpendicular to one of the sides. Find the longer side of parallelogram if its perimeter is 80 cm.
asked by Sam on March 3, 2019 
alg 2
a rectangle is to be inscribed in a isosceles triangle of height 8 and base 10. Find the greatest area of such rectangle.
asked by keeter on January 17, 2011 
maths
By making the substitution u=7^x and using part a, derive a hidden quadratic equation 7^(2x1) +4×7^(x1) 1/14 =0 and hence find all of the solutions to the above equation.
asked by Lauren on October 26, 2016 
geometry

physics
find the mass of a ball on a roof 30 meters high, if the ball's gravitational energy is 58.8 joules.
asked by ella on November 3, 2014 
Calc I
with finding the area under a line i need to find anti derviatives for: e^3x dx Cos^4 x Sinxdx e^(x^2) xdx e^x^2 dx Cos(3x)dx
asked by kenny on December 8, 2011 
Math help
The perimeter of triangle RXA is 39, PX=49 and AP=9.Find RX and RA. P is at the middle. I think it's under triangle bisector theorem. Help me answer this guys. Thanks
asked by Jude on February 18, 2015 
math
Find the EXACT value of sin(2A) if cscA=5/4 Assume A is a Quadrant I angle in standard position. sin(2A+=
asked by math on July 30, 2019 
calculus
Find the volume that remains after a hole of radius 1 is bored through the center of a solid sphere of radius 2.
asked by Jane on December 8, 2011 
math
the proportion of the wind's energy that can be obtained from a windmill is given e(x)=4x^38x^2+4x where x is slowed find proportion x that max interval (0,1)
asked by a on June 28, 2011 
alg 2
a rectangle is to be inscribed in a isosceles triangle of height 8 and base 10. Find the greatest area of such rectangle.
asked by keeter on January 17, 2011 
math
Verify that f(x) = x^3 − 2x + 6 satisfies the hypothesis of the MeanValue Theorem over the interval [2, 3] and find all values of C that satisfy the conclusion of the theorem.
asked by Ronnie on December 19, 2010 
Statistics
I need to find the measures of spread and center for each data set in a problem I am doing. How do I do that? Also, is the center the mean(average)? Or the median?
asked by Jill on March 6, 2012 
Geometry
Write the equation of the family of lines with slope 1/2 and find the two members of the family 5 units away from the origin.
asked by Hannah on July 31, 2019 
chemistry
use dimensional analysis to find how many moles of nitrate ions are in 40.0 mL of a 0.75 M aqueous solution of aluminum nitrate
asked by M on August 22, 2011 
geometry
Draw and label the following: segment AB intersects segment CD at point M. M is the midpoint of both segments. If AM = x2 + 8x + 17 and MB = 12x + 14, find AB.
asked by ana on September 29, 2012 
maths
The sum of two consecutive counting numbers divided by their positive difference is 9. Find the larger numbers.
asked by anonymous on March 6, 2016 
chemistry
plan and design an experiment which would allow you to find the percentage by mass of copper in a sample of impure copper
asked by kim on March 27, 2011 
math
the price of wheat is decreased by 25% and its consumption increased by 25% find the new expenditure as ratio of initial expenditure
asked by radhe on March 6, 2016 
intermediate algebra
Two supplementary angles are such that one is 14 times larger than the other. Find the two angles. (Enter solutions from smallest to largest.)
asked by unique on February 4, 2012 
math
if the lenght of rectangle is 20cm and bridth is 5cm find the side of square which is equiangular with the rectangle
asked by vaidehi on March 29, 2013 
geometry
Geometry riddl How did they like the story about towel manufacturing? Also, where can I find geometry worksheets on plane and simple? ? ? ?
asked by Debra on September 26, 2006 
maths
a fair is tossed 200 times. find the probability of getting a head an odd number of times.
asked by Ashish on March 7, 2016 
algebra
the length of the top of a table is 6 m greater than the width. the area is 91m^2. Find the dimensions of the table.
asked by jane on December 19, 2010 
Math
An account earns simple interest. Find the annual interest rate. I= $30 P= $250 t= 3 years
asked by Galaxie on March 14, 2019 
calculus
Sketch the region enclosed by 2y=5sqrtx, y=5 and 2y+3x=8. Decide whether to integrate with respect to x or y, and then find the area of the region.
asked by ayee on May 4, 2012 
chemistry
20.70 ml of .42 M HClO4 is required to neutralize .966g of an unknown base. Find the molar mass of the base .
asked by Cristina on May 7, 2014 
MATHS
The compound interest on a certain sum for 5/2year at 5%per annum compounded annually is rs416.20.find the sum
asked by Vasif ansari on June 18, 2017 
MATHS URGENT
By making the substitution u=7^x and using part a, derive a hidden quadratic equation 7^(2x1) +4×7^(x1) 1/14 =0 and hence find all of the solutions to the above equation.
asked by Please help me! on October 28, 2016 
Math
The xaxis, the yaxis, and the line through the point (1, 3) having slope 3 form a triangle, find the area. Is the answer 6
asked by Lilly on December 26, 2013 
ap calc
let f(x)= bx^2+6x, if x< or equal to 2 ax^3, if x>2 find the values of a and b such that f(x)is differentiable at x=2 I need help with this question I know you have to set both functions equal to each other. but I don't know how to solve for a and b
asked by Anonymous on November 9, 2014 
intermediate algebra
Two supplementary angles are such that one is 14 times larger than the other. Find the two angles. (Enter solutions from smallest to largest.)
asked by unique on February 4, 2012 
calculus
Two forces of 7 lb. and 14 lb. act on a body at right angles to each other. Find the angle their resultant force makes with the force of 14 lb.
asked by Jasmine on February 13, 2015 
Science
What is time dilation refers: to increasing time factors as one's speed increases I can not find any information on this
asked by Anonymous on March 28, 2010 
math
A pie is cut in to 10 equal sector find the measure of the central angle of one slice of pie
asked by princi on July 19, 2017 
chemistry
What [I^]should be maintained in KI(aq) to produce a solubility of 1.9×10−5mol PbI2/L when PbI2 is added? (sorry i cant find it under the posted questions )
asked by CHEMistry help on March 9, 2009 
Math
How would I find the confidence level (in %) if I am given the standard deviation, size of the random sample, and confidence interval?
asked by C on April 3, 2013 
chemistry
how do you find the moles of solute and the molarity if the molar mas is 98.07, mass of solute is 62.0, and the volume of solution is 1.00?
asked by denise on June 13, 2010 
calculus  please help!
Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis. y=2+1/x^4,y=2,x=4,x=9; about the xaxis.
asked by archi on February 9, 2012 
PreAlgebra
For an account that earns interest compounded annually, find the balance on the account to the nearest cent.
asked by Anonymous on January 21, 2013 
geometry
find the area of a parallelogram with diagonals of lengths 10 inches and 22 inches that intersect at a 65 degrees angle.
asked by Joe on May 17, 2011 
Calculus
The total charge in an electrical circuit as a function of time is given by q=t/(t^2+1) coulombs. Find the maximum charge of q.
asked by Candy on March 10, 2012 
precalculus
Find the focus, directrix, and focal diameter of the parabola. x = −4y2 I answered everything right except the directrix. which my ans was 1/16.
asked by amaa on December 1, 2012 
math
A rectangular table top has a perimeter of 22 inches and an area of 28 square inches. Find its dimensions.
asked by bsjs on October 27, 2016 
prealgebra
Find the slope of the line containing the given pairs of points. If the line is undefined, state so. Please show all of your work. (5, 2) and (7, 2)
asked by cody on June 20, 2011 
Haramaya univercity
A 0.5 kg ball is thrown straight speed of 15m/s find the momentum of the ball at its maximum hieght
asked by Gadisa on September 5, 2015 
MATHS
While selling 15 copies, a man gains the cost price of 5 copies. Find his profit percent.?
asked by Clive on March 18, 2016 
chemistry
on my selected thermodynamic data i cant find delta H for SiCl4(L) (i can solve the reaction i just cant figure out what SiCl4(L) is.
asked by maddy on May 14, 2012 
Maths
By making the substitution u=7^x and using part a, derive a hidden quadratic equation 7^(2x1) +4×7^(x1) 1/14 =0 and hence find all of the solutions to the above equation.
asked by Lauren on October 27, 2016 
Math
A peice of ribbon 63cm long to be cut into two peices in ratio 2:5.find the length of each peice ?
asked by shashi on February 21, 2017 
Statistics
How would I find the confidence level (in %) if I am given the standard deviation, size of the random sample, and confidence interval?
asked by C on April 3, 2013 
math
a wire of length 24cm is bent to form a square.find the area of the square formed.
asked by sss on January 30, 2015 
math
Find the exact value of the shortest distance from the origin to each line. y=x4 is the equation of the line. When i do the problem I keep on getting 0 but that's not the answer!!! please help me.
asked by Allison on October 22, 2008 
science physics
Find the x and ycomponents of the vector d⃗ = (6.0 km , 31 ∘ left of +yaxis). I worked it out and got 5.14, 3.09 and apparently it's wrong, I don't know what I did wrong.
asked by Laura on October 8, 2015 
biomath
given lengths of the a rectangle are x and y show that the greatest rectangle having a perimeter of 200 cm square and thus find at area
asked by niati on April 9, 2011 
Math
The width of a rectangular garden is 2 feet more than 1/3 of its length. The perimeter is 52 feet. Find the dimensions of the rectangle.
asked by Shelby on November 15, 2017 
Physics
Two spheres are cut from a certain uniform rock. One has radius 3.54 cm. The mass of the other is 3 times greater. Find its radius.
asked by Student on January 29, 2017 
Physics
The radius of the earth is 6.37*10^6 m and its mass is 5.975*10^24 kg. Find the earth's average density to appropriate significant figure.
asked by Arif khan on February 26, 2013 
Pre calc
If 250 mg of a radioactive element decays to 200 mg in 48 hours, find the halflife of the element
asked by Dom on April 28, 2010 
Physics
The radius of the earth is 6.37*10^6 m and its mass is 5.975*10^24 kg. Find the earth's average density to appropriate significant figure.
asked by Arif khan on February 26, 2013 
History
I am doing a research paper on the French and Indian war, and I can't find the environment that the French were in compared to the British.
asked by Alyonka on September 19, 2011 
Physics
Microwaves are electromagnetic waves transmitted at a normal frequency of 2.45 GHz. Find the wavelength of the microwaves.
asked by Zach on May 29, 2012 
biology
1) I can't finish my homework due to this one question, please tell me where I can find this question, thanks! What are levels of protein structure of Angiosperms?
asked by Jessica on February 14, 2012 
more physics..
find the kinetic energy of an airplane traveling at a speed of 648 km/h if the mass of the airplane is 5,000 kg.
asked by wayne on June 8, 2010 
Analytical Chemistry
What fraction of piperazine (perhydro1,4diazine) is in each of its three forms (H2A, HA–, A2–) at pH 7.05? Not sure how to find k1 and k2 needed for the fraction formulas...please help :(
asked by Sam on February 26, 2013 
physics
Microwaves are electromagnetic waves transmitted at a normal frequency of 2.45 GHz. Find the wavelength of the microwaves.
asked by Phil on May 30, 2012 
Math
A standard number cubes with the numbers 1 through 6 is rolled. Find the probability of rolling a number greater than 2.
asked by Michelle on November 27, 2010 
statistics
A company manufactures caclculators in batchers of 64 and there is a 5% rate of defects. Find the probability of getting exactly three defects in a batch
asked by autumn on April 26, 2010 
math
The perimeter of a rectangle is 90 cm. Its width is half its length. Which equation could be solved to find the dimensions of the rectangle?
asked by Anonymous on October 8, 2014 
alge
Find the probability of x=4 sucesses in n=9 trials for the probability of succes p=0.6 on each trial. Round to the nearest thousanth.
asked by jerson on May 12, 2008
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