Cardinal numbers are natural numbers that describe how many objects there are in a set while ordinal numbers are numbers used to explain the position of objects in a set arranged in order.
Duke Sagini answered the question on December 8, 2018 at 09:46
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What is the area of a square whose diagonal is 10 cm?
(Solved)
What is the area of a square whose diagonal is 10 cm?
Date posted:
November 23, 2018
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Answers (1)
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If £100 is invested at compound interest of 8% per annum,determine (a). The value after 10 years (b) The time correct to the nearest year it takes to reach more than £300.
(Solved)
If £100 is invested at compound interest of 8% per annum,determine
(a). The value after 10 years
(b). The time correct to the nearest year it takes to reach more than £300.
Date posted:
October 21, 2018
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Answers (1)
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Find the unit vector perpendicular to the vectors a=2i+j+k, b+3i-j+2k. Also find the angle between a and b
(Solved)
Find the unit vector perpendicular to the vectors
a=2i+j+k
b+3i-j+2k
Also find the angle between a and b
Date posted:
October 13, 2018
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Answers (1)
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What are the measures of deviation?
(Solved)
What are the measures of deviation?
Date posted:
October 9, 2018
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Answers (1)
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A committee of 8 lecturers is to formed out of 6 science, 8 arts teachers and a physical instructor. Determine the number of ways the committee can be formed if:
(Solved)
A committee of 8 lecturers is to formed out of 6 science, 8 arts teachers and a physical instructor.
Determine the number of ways the committee can be formed if:
I) Any teacher can be included in the committee
II) There should be 3 science and 4 arts teachers in the committee
Date posted:
October 1, 2018
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Answers (1)
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Find the number of sides of a polygon whose interior angle is 165 degrees
(Solved)
Find the number of sides of a polygon whose interior angle is 165 degrees
Date posted:
September 9, 2018
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Answers (1)
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In arithmetic the 8th term is twice the 4th term and 20th term is 40. find the common difference and the sum of 8th to...
(Solved)
In arithmetic the 8th term is twice the 4th term and 20th term is 40. find the common difference and the sum of 8th to 20 term inclusive. 2, The house on one side of a major street are a sign odd numbers starting with 11. If the sum of the numbering is 155. find the number of houses along the street
Date posted:
September 5, 2018
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Answers (1)
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Given the coordinates of A and B as (4,2) and (8,2) respectively, find the equation of the perpendicular bisector of AB
(Solved)
Given the coordinates of A and B as (4,2) and (8,2) respectively, find the equation of the perpendicular bisector of AB.
Date posted:
August 30, 2018
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Answers (1)
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Sixteen men working at a rate of nine hours a day can complete a piece of work in 14 days. How many more men working...
(Solved)
Sixteen men working at a rate of nine hours a day can complete a piece of work in 14 days. How many more men working at a rate of 7 hours a day would complete the same job in 12 days?
Date posted:
August 29, 2018
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Answers (1)
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Find the ratio x:y in:
(a). x=¾y
(b). 2x=6y
(Solved)
Find the ratio x:y in:
(a). x=¾y
(b). 2x=6y
Date posted:
August 23, 2018
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Answers (1)
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Two girls are running and the first girl is ahead by 15m. The first girl is running at 8m/s while the second girl is running at...
(Solved)
Two girls are running and the first girl is ahead by 15m. The first girl is running at 8m/s while the second girl is running at 12m/s. At what distance will the second girl over take the first girl?
Date posted:
August 15, 2018
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Answers (1)
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A manufacturer makes two products, product Q and product M. The cost of making 15 units of product Q and 10 units of product M is sh...
(Solved)
A manufacturer makes two products, product Q and product M. The cost of making 15 units of product Q and 10 units of product M is sh 600. The cost of making 5 units of product Q and 8 units
of product M is sh 340. Determine the cost of making each product.
Date posted:
August 8, 2018
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Answers (1)
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A carpenter wishes to make a ladder with 15 cross pieces. The cross pieces are diminished uniformly in lengths from 67cm at the bottom to...
(Solved)
A carpenter wishes to make a ladder with 15 cross pieces. The cross pieces are diminished uniformly in lengths from 67cm at the bottom to 32 at the to. Calculate the length in cm of the seventh cross piece
Date posted:
July 11, 2018
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Answers (1)
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Solve the equation using quadratic formula x^2-3x+2=0
(Solved)
Solve the equation using quadratic formula x^2-3x+2=0
Date posted:
July 3, 2018
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Answers (1)
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Solve using factor method 4x^2+20x+9=0
(Solved)
Solve using factor method 4x^2+20x+9=0
Date posted:
July 3, 2018
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Answers (1)
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Solve the simultaneous equation xy=160, Log x- 3log y=1
(Solved)
Solve the simultaneous equation
xy=160
Log x- 3log y=1
Date posted:
July 3, 2018
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Answers (1)
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If for a random variable x, the E(x) is given as 0.24Find E(2x+3)
(Solved)
If for a random variable x, the E(x) is given as 0.24 Find E(2x+3)
Date posted:
June 25, 2018
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Answers (1)
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Convert the polar point (2,p/3) into Cartesian coordinate
(Solved)
Convert the polar point (2,p/3) into Cartesian coordinate.
Date posted:
June 25, 2018
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Answers (1)
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Peter owns a small farm and grows mangoes and pineapples.After one harvest she increased her mango supply by 50% but also sold half of her pineapples.Given...
(Solved)
Peter owns a small farm and grows mangoes and pineapples.After one harvest she increased her mango supply by 50% but also sold half of her pineapples.Given that she has a net loss of 10 fruits after the harvest and that she has the same number of mangoes as pineapples after the harvest,how much fruit did she initially have?
Date posted:
May 31, 2018
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Answers (1)
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A box contains 6 blue plates and 4 yellow plates, 2 plates are picked from the box one after the other without replacement a) Draw the probability...
(Solved)
A box contains 6 blue plates and 4 yellow plates, 2 plates are picked from the box one after the other without replacement
a) Draw the probability tree?
b) what is the probability of picking :
1)the first plate blue and the second plate yellow
2)both plates yellow
3)1 blue plate and one yellow plate
4)2 plates of the same color.
5)At least 1 blue plate.
Date posted:
May 12, 2018
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Answers (1)