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Answers posted by vijayalakshmi.r
Questions
1231
answers
9
best answers
0
votes
An arch is in the form of a semi-ellipse whose span is 24 feet wide. The he
answered
Apr 17, 2018
The equation of the ellipse is x^2/12^2 + y^2/10^2 = 1 x^2/144 + y^2/100 = 1
0
votes
2nd quartile=5th Decile=50th percentile=?
answered
Apr 16, 2018
2nd quartile = 5th Decile = 50th percentile = Median
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Draw the rough sketch of y=sin2x and determine the area enclosed by the lin
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Apr 16, 2018
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Cos (theta-alpha)=a and cos(theta-beta) =b, then the value of sin^2(alpha-b
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Apr 16, 2018
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The mean of a distribution is 20,the median is 21.76.and thr mode is 23. It
answered
Apr 16, 2018
Skewed distribution.
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10 nimbers are given:(5,10,15,5,15,25,16,8,22,15).now ,what would be the su
answered
Apr 16, 2018
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Maan nikale Cos [tan-1 (3/4)]
answered
Apr 13, 2018
cos(tan^-1(3/4)) = cos(cos^-1(4/5)) = 4/5
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an example for a function which is not a relation (domain-R,codomain-R) a)
answered
Apr 13, 2018
Every function is a relation, but not all relations are functions, hence D is the correct option.
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a parallel plate capacitor has a capacity c. the separation between the pla
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Apr 13, 2018
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the locus of point which is equidistant from the points (1,1) and (3,3)
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Apr 13, 2018
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A straight line cuts the x-axis at A(4,0) and the y -axis at B (0,3). Find
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Apr 13, 2018
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Four digited no formed by 2,4,5,7,8divisible by 4
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Apr 13, 2018
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Fourth degree polynomial is divided by second order polynomial than the rem
answered
Apr 13, 2018
https://clay6.com/qa/104095/if-the-fourth-degree-polynomial-is-divided-by-quadratic-polynomial-the-d...
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votes
the-vertex-of-the-parabola-(y-a)^2=8a(x-a)
answered
Apr 13, 2018
Let y-a = Y and x-a = X The given equation can be written as Y^2 = 8aX, whose vertex is (0,0)...
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votes
The image of the point (1,2,4) in the plane 2x-y-z+2 is?? A=(-3,4,2) B=(3,-
answered
Apr 12, 2018
Can you check with question? The options does not match with the answer.
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votes
Find the distance from the point (1,2,-1) to the plane given by the equati
answered
Apr 12, 2018
d = |1 -2 -1-3|/sq root of 1^2 + 2^2 + 1^2 = 5/sqrt of 6 units The required distance is 5/sqrt of 6...
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votes
X and Y are two stations which are 320 miles apart. A train starts at a cer
answered
Apr 11, 2018
Let the distance travelled by X be 7x Distance travelled by Y = 2 x 20 = 40m Hence they will meet ...
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votes
Which of the two rational number is greater in the given pair - 2/9 or 0
answered
Apr 11, 2018
Zero is greater than -2/9.
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a) Cable ABC shown in the figure below has a length of 5m. Determine the po
answered
Apr 11, 2018
Can you give the diagram please?
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A man goes 9km due east and 12m due north. How far is he from the starting
answered
Apr 11, 2018
The distance between the starting point and the final point is sq rt of9^2 + 12^2 = sq rt of 225 = 1...
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votes
The number of integral terms in the expansion of $(5^{\large\frac{1}{2}}$$+7^{\large\frac{1}{8}}$$)^{1024}$ is ?
answered
Apr 11, 2018
The number of integral terms is 1025.
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votes
The number of integral terms in the expansion of(3^(1÷2)+5^(1÷8))^256
answered
Apr 11, 2018
The number of terms in a binomial expansion is n+1 Hence the integral no: of terms = 257
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votes
If the fourth degree polynomial is divided by quadratic polynomial the degr
answered
Apr 11, 2018
It will be lesser than or equal to 1
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votes
The two legs of a right triangle measure 5 and 12. The leg and hypotenuse
answered
Apr 11, 2018
5,12,13 is a pygorean triplet Hence the two right triangles are congruent, since they have the same...
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votes
lhs: 2ab....a^2....b^2 a^2...b^2.....2ab b^2...2ab....a^2 rhs: -(a^3+b^
answered
Apr 10, 2018
The question is not clear, can you give the correct question?
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votes
Probability of getting four diamonds and one of them is a King of diamond
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Apr 10, 2018
Required probability is = 13C3 x 4C1/ 52C4 = 1144/270725
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Explain why sky appears blue when viewed from earth
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Apr 10, 2018
Sky appears blue in colour because of scattering. Blue colour gets scattered during noon to the maxi...
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If A is a square matrix, then the value of adj (transpose of A) - (transpos
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Apr 10, 2018
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find the standard deviation of the set of numbers 3,4,9,11,13,6,8 and 10
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Apr 10, 2018
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Age 0-10 ,10-20,20-30,30-40,40-50,50-60,60-70,70-80. No. Of pers
answered
Apr 10, 2018
Can you give the complete question?
0
votes
If the roots of the equation (a^2+b^2)x^2+2(bc+ad)x+(c^2+d^2)=0 are real th
answered
Apr 6, 2018
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The mean and standard deviation of a series is 20 and 4. But later on, it w
answered
Apr 6, 2018
https://clay6.com/qa/77250/for-a-group-of-200-candidates-the-mean-and-standard-deviation-of-scores-w...
0
votes
A boy is cycling such that the wheels of the cycle are making 140 revolutio
answered
Apr 6, 2018
https://clay6.com/qa/52948/a-boy-is-cycling-such-that-the-wheels-of-the-cycle-are-revolving-at-the-r...
0
votes
Solve the inequation and represent the solution set on number line -2/3‹
answered
Apr 6, 2018
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In a competitive exam of 40 questions , +3 is awarded for a correct answer
answered
Apr 6, 2018
If 11 answers are wrong answers, then the no: of correct answers are 40 - 11 = 29 Hence his total s...
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votes
Find the additive inverse and answer the following :- (-100-100)+(-100-(-1
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Apr 6, 2018
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Solve y^2-2pxy+p^2(x^2-1)=m^2
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Apr 6, 2018
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Find the approximate valve of root 82 using derivative
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Apr 6, 2018
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integration of 1/(2lnx+3)
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Apr 6, 2018
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How much positive and negative charges is there in a 250g of water
answered
Apr 6, 2018
https://clay6.com/qa/102820/charge-in-250-ml-of-water Click the above link for the answer
0
votes
a bag contains 25 tickets numbered 1 to 25. a ticket is drawn at random, fi
answered
Apr 6, 2018
Numbers divisible by 3 are {3,6,9,12,15,18,21,24} Hence the required probability = 8/25 2. Odd num...
0
votes
Find K for which -1/2is zeros of polynomial px x²+2kx-3
answered
Apr 6, 2018
(-1/2)^2 +2k(-1/2)-3 = 0 1/4 -k -3 = 0 k = 1-12/4 = -11/4
0
votes
if the graph of equations 3 X + 4 Y =12, (M + n)X + 2(M-N)Y=(5M-1) is coinc
answered
Apr 4, 2018
[3/m+n] = 2/2(m-n) = 12/5m-1 6(m-n) = 2(m+n) 6m - 6n = 2m+2n 4m = 8n or m = 2n Also 3/m+n = 12/5...
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A tree in each year grows 5 cm less than it grew in the previous year.If it
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Apr 4, 2018
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Without expanding show that 1. a. a-bc 1 b. b-ca 1. C. c-ab
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Apr 4, 2018
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the diameter of a concentric circle 8cm and 12cm find the shortest distance
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Apr 4, 2018
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the functions f and g are defined by f(x)=2x+1 and g(x)=4x-7.if f(x)=g(x),f
answered
Apr 4, 2018
Given f(x) = g(x) 2x+1 = 4x-7 therefore x = 4
0
votes
find the x-intercept of the line 2x-3y+5=0
answered
Apr 4, 2018
the given line can be written as 2x = 3y-5 x = [3/2]x - 5/2 Hence the x- intercept is -5/2
0
votes
show that the following equation represent an ellipse and find its centre a
answered
Apr 4, 2018
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A bag contains 3 red 4 white and 5 black balls. Three balls are taken from
answered
Apr 4, 2018
Probability of getting all black = 5/12 x 5/12 x 5/12 = 125/1728 Probability of getting ball of dif...
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