
mathematics
age of zena will be twice the age of sele after 6 years.total number of their age is 42 now.find out the age of Sena now
asked by chidya sec school on July 12, 2015 
Algebra
given the pointslope form of a line, find the point and slope we could use to graph y4=3/2(x+5) answers: P: (5/4) S: (3/2) how do I get to the answer
asked by sharon on July 14, 2014 
geometry
the widthe width of a rectangle is 6 inches less than the length. the perimeter is 72 inches. find the lengtj and the width
asked by Anonymous on April 7, 2011 
physics
A braking force is applied to a 300kg motorcycle to reduce its speed from 20.0m/s to 16.0m/s in 10.0s. Find the braking force.
asked by kevin Chen on November 21, 2010 
statistics and probability
Find x and y so that the ordered data set as a mean of 42and a median of 35. 17,22,26,29,34,x,42,67,70,56,y soln: 17+22+26+29+34+x+42+67+70+56+y= 363+x+y (363+x+y)/11=42 y=99/x x is median
asked by masinde on December 3, 2015 
math
Determine if the relationship represented is linear. x=5,10,15,20,25,30 and y=50,60,70,80,80,90 I could not find a relationship that worked for all the numbers so I would say it is not linear. Correct?
asked by m on January 20, 2011 
geometry
Point C is the center of the circle. If angle ACB measures 4 x plus 12 degrees and AB measures x plus 13 degrees, find x.
asked by Am on August 3, 2012 
math
consecutive even integers can be represented by x,x+2,x+4 and so on. write an equation and solve to find 3 consecutive even integers whose sum is 54.
asked by Sara! on May 24, 2010 
math
a rectangle has a length that is four more than three times the width. If the perimeter is 126 feet, find the length and the width
asked by susie on December 2, 2011 
maths
A chord is 2cm from the centre of a circle. if the ratius of the circle is 5cm, find the length of the chord
asked by obaji on July 13, 2014 
Algebra
b=2, c+ sqrt of 13. Trying to find the length of the 3rd side. It is a right triangle with A on top, 2 on the right side and the sqrt of 13 on the left.
asked by Lucy on May 5, 2012 
college mathematics
5. Given p is false, q is true, and r is false, find the truth value of the statement (~p~q)>~r. Show step by step work.
asked by cody on February 7, 2012 
Physics
A rocket moves upward for 3 seconds After 2 seconds, its speed is 10 m/s After another 1 second, its speed is 20 m/s Find instantaneous acceleration at t=2.5
asked by Jenn on September 23, 2009 
Math
Find the missing number that completes the table of values what's the Function Objective a function table Example:y= X+2
asked by Alyssa on April 7, 2016 
Areas and volumes
The base of a pyramid is a right triangle. The legs of the triangle measure 6 in and the altitude of the pyramid is 5 in. Find the volume.
asked by Ariel on June 3, 2010 
Linear Algebra
Find the basis for the following vector space. Please state the dimension of the vector space. S consists of all x in R3 such that x is orthogonal to n=(2,3,2)
asked by Simon on November 20, 2011 
Math
Lydia pays $3 sales tax on a $50 purchase. Find the sales tax rate in her state.
asked by Anonymous on April 25, 2019 
Probability
You toss a fair coin four times. Find the probability of no more than three heads given that at least one toss resulted in heads. Thank you very much!!
asked by Erica on January 27, 2012 
math
I need to find the A small b, C small b, slant height, and surface area of a cone. The height is 9.2 and radius is 5.6. Please help
asked by Hannah on May 16, 2013 
Please help with graphing in geometry
Find the largest real number x for which there exists a real number y such that x^2+y^2 = 2x+2y . I think it is a circle, but how am i supposed to figure this out??
asked by Knights on March 9, 2013 
Maths
The probability that I have to wait at the traffic lights on my way to school is 0.45. Find the probability that on 3 consecutive mornings I have to wait: A) Once B) Twice
asked by Cj on February 14, 2016 
math
suppose February has 29 days. Explain how you can find how many days there are in the year without counting or adding. explain an example please....
asked by ann kwon on October 29, 2014 
vectors linear algebra
The parametric equations for a line L1 are as follows: x = −4−6t y = 2+2t z = 1−4t Let L2 be the line parallel to L1 and passing through the point (−3, −3, −3). Find the point P on L2 whose xcoordinate is −12. P=P(12, _ , _ ) ?
asked by John on October 26, 2015 
algebra
The width of a rectangle is 11 inches less than its length. Find the dimensions of the rectangle if the area is 80 square inches.
asked by Tom on May 23, 2018 
Math  check
Use the cross product to find a vector perpendicular to each of the following pairs. a) (4,0,0) and (0,0,4) I plugged in the cross product formula and got (0, 16, 0)
asked by Anonymous on March 30, 2008 
math
The diagonal of a TV set is 26 inches long. Its length is 14 inches more than the height. Find the dimensions of the TV set.
asked by jake on February 21, 2016 
math
Find the cumulative distribution for the table. (Use a value of 6 to stand for 6 or more bedrooms.) Number of Bedrooms Percent Cumulative 0 5% % 1 12% % 2 29% % 3 33% % 4 14% % 5 6% % 6 or more 1% %
asked by Anonymous on December 3, 2013 
math
AFTER JENNY SPENT 1 / 3 OF HER SAVINGS ON A School bag, she had Rs 780 left .find jenny's SAVINGS AT FIRST.
asked by MOAZZAM on July 24, 2014 
Math
The numerator of a fraction is less than its denominator is increased by 9 and the numerator by 2,the fraction bcms twothird.find d fractn. Ans is 26/33
asked by Simran kaur on November 4, 2012 
Maath
Find an equation of the line L in point slope form and in general form. L is parallel to the line 3x2y+5=0 and contains (2,3)
asked by Heather on September 28, 2010 
Calculus  Special sum formulas
Find a formula for Sum_{j=1}^n (j+3) (j4) So far, I have foiled to j^2j12. Thus,Sum_{j=1}^n(j^2)  Sum_{j=1}^n(j)  Sum_{j=1}^n(12). From Special Sum formulas, I have gotten to n(n+1)(2n+1)/6  n(n+1)/2  12n What do I do from here?
asked by James on November 4, 2016 
Is this right
Find the derivative y=sinx(sinx+cosx) I got y'= cos(x)sin^2(x)+2cos(x)sin(x) is this righttttttt??
asked by Noe on November 11, 2014 
Math
Find the radius of a sphere with a volume of 1,767.1 m (3 cubed) would I use the formula V=4/3*pie*radius (3 cubed)
asked by Christine on October 29, 2014 
Math
The parametric equations for a line L1 are as follows: x = 2+2t y = 2+2t z = −3+2t Let L2 be the line parallel to L1 and passing through the point (1, −4, −3). Find the point P on L2 whose xcoordinate is −4. P = P(−4, 0, 0) Thanks
asked by Excel on October 18, 2015 
math
show that the equation x^2+2xy+y^2+x+y2=0 rebresent two paralil straight lines and find the equation of those two lines
asked by Anonymous on June 6, 2011 
Math
The length of a rectangle is 2cm less than 7 times the width the perimeter is 60cm find the width and length
asked by Anonymous on November 5, 2012 
Calculus
Find an equation of the tangent line to the curve at the given point. (Assume the tangent line form to be f(x) = mx + b.) y= e^x/x (1,e) I got m= 0 nd b=e could anyone tell if its right?
asked by Zoey on March 6, 2010 
Chemistry! Urgent!!
0.080 m FeCl3 find the boiling point it. so i did ( 0.080)(.51)(4)+100 and i got 100.16 whyy is that wrong?
asked by Howie on December 1, 2008 
Algebra
Find an equation of the line containing the given pair of points (1,6) and (4,8). The equation of the line in slope intercept form is y=? Thank you
asked by Esther on January 25, 2011 
Math
The length of a rectangle is 2cm less than 7 times the width the perimeter is 60cm find the width and length
asked by Anonymous on November 5, 2012 
Trig/Math
RST is a triangle with right angle S. If s 21.3 Angstroms and t=8.71 Angstroms, find the measure of the larger acute angle.
asked by Gregory on November 22, 2011 
math
The scores on a mathematics test have a mean of 72 and a standard deviation of 5. Find the test score that corresponds to a zscore of (1.33).
asked by john on July 10, 2012 
Math
The diameter of a normal front wheel on a bicycle is 24" Find the circumference and area of the front wheel?
asked by Mary on February 24, 2016 
math
A rectangle has an area of 60 square inches and a perimeter of 38 inches. Find the length and width if the rectangle.
asked by kayla on August 30, 2010 
Maths
Mona's father is thrice as Mona after 12 years his age is just twice of his daughter find their present age?
asked by Anonymous on December 10, 2016 
Math
A car travels 168.75 km in 12.5 litres of petrol . Find the distance travelled by the car in 15 litres
asked by Annika on February 9, 2017 
math
Find a fraction which reduces to 2/3 when 3 is adding to both its numerator and denominator and reduces to 3/5 when 1 is added to both its numreator and denominator
asked by naimish dixit on February 11, 2017 
earth science
air pollution in pennsylvania causes ______ in new england because the wind blows the pollution into new England. can someone please help, I cant find this anywhere.
asked by Elena on December 30, 2014 
math
at the beginning of the year,Daniel was 62 inches tall. Now he is 66 inches tall. Find the percent of change
asked by susan on May 10, 2014 
Math
The numerator of a positive fraction is 2 less than its denominator. By adding 1½ to the fraction, the fraction is reversed. Find the original fraction. Help me please
asked by Migz on July 22, 2018 
Math7 Am I right?
Below are the results of tossing a number cube 8 times. Find the experimental probability of tossing an even number. 3,4,1,2,5,1,6,5 3/8 right?
asked by moby on May 10, 2014 
physics
A charge of 2.1 nC and a charge of 4.7 nC are separated by 57.90 cm. Find the equilibrium position for a 4.7 nC charge. ____ cm from the 2.1 nC charge. what is the answer? and how did you get it? thaanks
asked by brittney on April 11, 2012 
mathematical
Robin is 25 years younger than his father. After 10 years, their ages will be in the ratio 1:2 . Find their present ages.
asked by jashan preet kaur on August 5, 2015 
math
In a group no. of boys is48/5, no of girls is 32/5 and no. of techer is 2. Find the ratio of boys, girls and teacher?
asked by Anonymous on July 17, 2013 
algebra
Find four consecutive terms in A.P whose sum is 72 and the ratio of product of the extreme terms to the product of means is 9:10
asked by sahil on February 5, 2016 
Math
The width of a rectangle is 3 units less than the length. If the area is 70 square units, then find the dimensions of the rectangle.
asked by Ellie on May 3, 2016 
Calc 3
Find the maximum and minimum values of the function f(x,y,z)=x+2y subject to the constraints y^2+z^2=225 and x+y+z=1. Maximum and minimum value is?
asked by ally on March 6, 2019 
English
Find the participle Several passengers injured in the wreck were brought to the local hospital. Would the participle be injured
asked by Anonymous on February 26, 2014 
Math
f(x) = tan x / sin x Find the vertical asymptote. Describe its behavior to the left and right of the vertical asymptote.
asked by David on May 3, 2016 
math
the square of the sum of two consecutive positive even integer is greater than the sum of their square by 48. Find two integers.
asked by Anonymous on September 28, 2015 
Math
Two forces of magnitude 15N and 4root2N are acting in the directions 3i4j and i+j respectively, find the magnitude of the resultant of the two forces.
asked by Liam on May 8, 2014 
math
two forces of magnitudes 7N and 9N act at an angle alpha such that sin alpha=0.4. Find the magnitudes of the two possible resultants
asked by georgina on May 8, 2014 
geometry
how do you find the speed of the plane 130 miles per hour, cross wind 20 miles hour
asked by brian on December 27, 2014 
physics
Before a collision, a 24 kg object is moving at +13 m/s. Find the impulse that acted on the object if, after the collision, it moved at the following velocities. (a) +8.0 m/s (b) 8.0 m/s
asked by Anonymous, on December 19, 2012 
physics
Before a collision, a 24 kg object is moving at +13 m/s. Find the impulse that acted on the object if, after the collision, it moved at the following velocities. (a) +8.0 m/s (b) 8.0 m/s
asked by Anonymous, on December 20, 2012 
Geometry HELP
A line has a slope m=1/3 and it passes through the point (3, 4). Find the equation for the line in slopeintercept form. a.)y = 1/3x + 3 b.)y  4 = 1/3(x  3) c.)y  3 = 1/3(x  4)
asked by Ariel on June 8, 2010 
math
You wish to have $12,500 in 12 years. Find how much you should invest now at 12% interest, compounded quarterly in order to have $12,500, 12 years from now.
asked by vickie on April 28, 2016 
literary
My daughter has to write an advertisement using 3 different propaganda techniques. I cannot find a definition or sample of propaganda techniques..can you help?
asked by Mary on April 14, 2008 
Math
Find the perimeter of a rectangular area with a length of 13 inches and a width of 7 inches. with distribution and without distribution
asked by You know it on November 11, 2018 
Math
if a swimmer swam one lap in 32 seconds and the second lap in 45 seconds how do I calculate to find her total time?
asked by Carma on September 28, 2011 
chemistry
Given the thermochemical equation: 2 Al(s) + 3/2 O2(g) > Al2O3(s) ΔH = 95.7 kJ find the heat of reaction, ΔH, for the following reaction: 2 Al2O3(s)> 4 Al(s) + 3 O2(g) Select one: a. 95.7 kJ b. +95.7 kJ c. 47.8 kJ d. +47.8 kJ e. +191.4 kJ
asked by tal on May 15, 2014 
math calc Lagrange
find points on surface z^2=xy+1 are closest to point (4,2,0) List points as commaseparated list.
asked by college on May 9, 2010 
Math
In the jazz band at Wyatt's school, there are 15 trumpets and 9 trombones. Find the ratio of trombones to trumpets?
asked by Ann on September 22, 2016 
stats
Would a proportion of 60% be likely, given the calculated confidence interval? Yes/No Find Answer to: 80% confidence interval ________+/___________
asked by Anonymous on June 24, 2011 
Algebra
Triangle ABC has coordinates A(1,4) B (3, 2)C ( 4, 2). Find the coordinates of the image ABC prime after a reflection over the X  axis.
asked by Steve on October 19, 2013 
Chemistry
A 100 mL container is filled with 0.01 mol of A2B3. At equilibrium, it also contains 0.006 mol of B. Find the value of K. A2B3(g) > 2A(g) +3B(g)
asked by Sandra on May 11, 2012 
physics
A 4.5 kg bag of groceries is in equilibrium on an incline of angle θ = 55°. Find the normal force of the incline on the bag.
asked by Kevin on December 2, 2010 
Math
For the threeletter set {R, S, T}, find the twoletter combinations. I realize that this deals with combinations and not permutations. I just do not understand how they want this done.
asked by BWB on May 8, 2010 
math
The scores on a mathematics test have a mean of 72 and a standard deviation of 5. Find the test score that corresponds to a zscore of (1.33).
asked by john kay on July 12, 2012 
Physics
A 10.0 kg barrel is lifted by pulling up on a rope. The barrel accelerates at 1.50 m/s2. Find the force of tension on the rope.
asked by Henry on December 21, 2014 
Geometry
SP bisects
asked by Amy on September 10, 2014 
Math
3/5 of the animals on a form are goats and the rest are sheep. Find the number of goats if there are 32 sheep on the farm.
asked by Saba on June 13, 2017 
Geometry
SP bisects
asked by Amy on September 10, 2014 
Algebra
The parametric equations for a line L1 are as follows: x = −1−2t y = 4+4t z = 3−2t Let L2 be the line parallel to L1 and passing through the point (2, 5, −3). Find the point P on L2 whose xcoordinate is −3. P = (−3, 0, 0)
asked by dan on September 25, 2018 
College Algebra
A nut moves 5/64 inches for each turn Find the number of turns is will take for the nut to move 1 7/8 inches.
asked by Madison on June 6, 2017 
Math
The area of a rectangle is 189. The width is 2 meter longer than 1/3 the length. find the length and the width
asked by Anonymous on April 6, 2012 
6TH GRADE MATH
Write an equation you can use to find the length of the rectangle. area=72 m^2. 8m=length xm=width My equation is 8x=72 Am I correct?
asked by Stephanie on January 15, 2015 
Algebra
Paulo is 6 years older than her sister. In 10 years, the sum of their ages be 50. Find their present ages.
asked by Florence on August 7, 2017 
Pure Math Coordinate Geometry
The Point O Is(0,0) and Point B is(6,9).Point A lies on the line OB.The ratio of OA:AB=2:1.Find the coordinates of Point A. (Method Needed Mostly)thanks....
asked by Ackron.Z on September 6, 2016 
algebra
Q: John sold a chair at a loss of 20% if he had sold it for $50 more, he would have gained 5%. Find the cost price of chair.
asked by Muhammad Idrees on January 15, 2015 
Math
Find the length of segment BC if segment BC is parallel to segment DE and segment DC is a medsegment of triangle ABC. A(3,4) E(4,3) D(1,1) B and C do not have coordinates
asked by Jillian on January 5, 2010 
PreAlgebra [urgent!]
I can't find the solution to this problem; can someone please show me how to solve it stepbystep? Solve the equation for y in terms of x: 1. 8x + 5y = 10 Thanks! MC
asked by mysterychicken on May 4, 2009 
maths
a cone is 8 cm high and radius is 2 cm.the cone is melt and recast into a sphere.find diameter of sphere.
asked by aashka on January 8, 2016 
Optimization  Calculus
Find the point closest to the line sqroot(X+1) from the point (3,0). d = [(x  3) + (y  0)]^1/2 d = [(x  3) + (y)]1/2 Do I now substitute in the equation y = sqroot(X+1) and solve?
asked by Anonymous on December 11, 2007 
mathURGENT!!!!
the midpoints of the sides of a triangle are (1,1),(4,3),and (3,5). find the area of the triangle. what is the answer and can u explain how u got it step by step? please...
asked by dan on October 22, 2012 
math
when price of article was decreased by 12%,2 more articles could be bought for 2160.find original price of article?
asked by kiran on August 10, 2017 
math
Use the given function to answer the following questions. g(x) = (5 x^2) / (x + 1) Without graphing, find the oblique asymptote. If there is no oblique asymptote, enter NONE.
asked by jasmine on February 9, 2009 
geometry
The measure of an exterior angle of a regular polygon is given. Find the number of sides of the polygon? Given number is 72?
asked by Dylan on March 3, 2014 
functions
If f(x)=6x^3  ax^2 + bx + c when a, b and c are constant when f(x) is divided by x^2  4 the remainder is 23x  26. When f(x) divided by (x +3) the remainder is 220. Find: (A) the value of a, b and c (B) the solution of the equation f (x)=0
asked by somay on May 9, 2016 
Math
My question says “Find the product, list the units” “8 h times $9/h” 8h x $9 is 72 I don’t understand what h will be & what they mean my list the units Please help! Thank you!
asked by V on August 10, 2018
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