P(o)=[1/2 x 2/3]+ [1/2 x 6/11]=20/33
or 260/429=780/1287
Githiari answered the question on September 25, 2017 at 08:34
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A number of two digits is such that four times the sum of its digits exceed the number by three. The number is increased by...
(Solved)
A number of two digits is such that four times the sum of its digits exceed the number by three. The number is increased by thirty six when the digits are reversed. Find the number.
Date posted:
September 23, 2017
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Answers (1)
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The volume Vcm^3 of an object is given by
V = 2/3 p r {(1-2)/sc^2}
Express in term of p r, s and V
(Solved)
The volume Vcm^3 of an object is given by
V = 2/3 π r {(1-2)/sc^2}
Express in term of π r, s and V
Date posted:
September 23, 2017
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Answers (1)
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A perpendicular to the line -4x + 3 = 0 passes through the point ( 8, 5) Determine its equation.
(Solved)
A perpendicular to the line -4x + 3 = 0 passes through the point ( 8, 5) Determine its equation.
Date posted:
September 23, 2017
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Answers (1)
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Simplify
{(2x – 2)/(6x^2 – x – 12)}/{(x-1)/(2x-3)}
(Solved)
Simplify
{(2x – 2)/(6x^2 – x – 12)}/{(x-1)/(2x-3)}
Date posted:
September 23, 2017
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Answers (1)
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The radius of a circle is 14cm. Find the length of arc and the area of the sector given that...
(Solved)
The radius of a circle is 14cm. Find the length of arc and the area of the sector given that the angle
subtended at the centre is 60 degrees.
Date posted:
September 23, 2017
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Answers (1)
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In a physics class the following formula was used to determine the value of f, 1/f = (1/u)+(1/v)....
(Solved)
In a physics class the following formula was used to determine the value of f, 1/f = (1/u)+(1/v).
Then if u = 0.40 and v = 0.80 , find the value of f.
Date posted:
September 21, 2017
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Answers (1)
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John walks homes from school which is 3 km due east and 4km due north. find the shortest distance between his home and school.
(Solved)
John walks homes from school which is 3km due east and 4km due north. Find the shortest distance between his home and school.
Date posted:
September 20, 2017
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Answers (1)
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Expand the following quadratic equations,using any of the quadratic identity: a) (2x+4)^2 b) (3x-5)^2 c) (5x-2)(5x+2)
(Solved)
Expand the following quadratic equations,using any of the quadratic identity: a) (2x+4)^2 b) (3x-5)^2 c) (5x-2)(5x+2)
Date posted:
September 20, 2017
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Answers (1)
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Solve the value of x in 2x+4(2x+7)=3(2x+4)
(Solved)
Solve the value of x
2x+4(2x+7)=3(2x+4)
Date posted:
September 16, 2017
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Answers (1)
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Dida is now three times as old as his brother and four times as old as his son. Eight years from now, Dida’s age...
(Solved)
Dida is now three times as old as his brother and four times as old as his son. Eight years from now, Dida’s age will be twelve years more than the sum of the ages of his brother and his son. Find Dida’s present age.
Date posted:
September 16, 2017
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Answers (1)
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What is the angle of line whose equation is 3x+y=0 in cartesian plane.
(Solved)
What is the angle of line whose equation is 3x+y=0 in cartesian plane.
Date posted:
September 12, 2017
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Answers (1)
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Find the equation of the line which is perpendicular to the line
(Solved)
Find the equation of the line which is perpendicular to the line 8x + 2y -3 = 0 and has the same x - intercept as the line.
Date posted:
June 13, 2017
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Answers (1)
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A line passing through the point A(4,-3) and B(6,-6) is perpendicular to px + 6y = -2. What is the value of p.
(Solved)
A line passing through the point A(4,-3) and B(6,-6) is perpendicular to px + 6y = -2. What is the value of p.
Date posted:
June 13, 2017
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Answers (1)
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A straight line through the point A(2,1) and B(4,n) is perpendicular to the line whose equation is 3y + 2x - 5 = 0. Determine the value of n.
(Solved)
A straight line through the point A(2,1) and B(4,n) is perpendicular to the line whose equation is 3y + 2x - 5 = 0. Determine the value of n.
Date posted:
June 13, 2017
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Answers (1)
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A perpendicular is drawn from a point (3,5) to the line x + 2y = 3.
(Solved)
A perpendicular is drawn from a point (3,5) to the line x + 2y = 3. Find the equation of the perpendicular.
Date posted:
June 13, 2017
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Answers (1)
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Find the equation of the straight line which passes through (2,-1) and is perpendicular to 2y = 3x + 5. Give your answer in the form of ax + by + c =0
(Solved)
Find the equation of the straight line which passes through (2,-1) and is perpendicular to 2y = 3x + 5. Give your answer in the form of ax + by + c =0
Date posted:
June 13, 2017
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Answers (1)
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The line 3x + 2y = 8 cuts the y-axis at p(0,k) find
(Solved)
The line 3x + 2y = 8 cuts the y-axis at p(0,k) find
(a) Gradient of the line.
(b) The value of k
Date posted:
June 13, 2017
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Answers (1)
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Find the equation of a line whose gradient is -$\frac{2}{3}$ and passes through point (-2,3)
(Solved)
Find the equation of a line whose gradient is -$\frac{2}{3}$ and passes through point (-2,3)
Date posted:
June 13, 2017
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Answers (1)
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Find the equation of the straight line passing through the points (-3,4) and (8,1)
(Solved)
Find the equation of the straight line passing through the points (-3,4) and (8,1)
Date posted:
June 13, 2017
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Answers (1)
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The gradient of a line AB is 1. If A and B are (3,5) and (x,4) respectively, find the value of x.
(Solved)
The gradient of a line AB is 1. If A and B are (3,5) and (x,4) respectively, find the value of x.
Date posted:
June 13, 2017
.
Answers (1)