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joseph rimiru answered the question on October 22, 2017 at 05:22
- Express each of the following using symbols and brackets
a. Multiply the difference of x and y by z
b. Multiply (x+3) by (4-x)
c. Subtract 2a+b from 2-b
(Solved)
Express each of the following using symbols and brackets
a. Multiply the difference of x and y by z
b. Multiply (x+3) by (4-x)
c. Subtract 2a+b from 2-b
Date posted: October 22, 2017. Answers (1)
- Factorise each of the following
a. 4x +3y +4z +3y
b. 8a +6b +3c -6a
c. Xy^2 –x^2y
(Solved)
Factorise each of the following
a. 4x +3y +4z +3y
b. 8a +6b +3c -6a
c. Xy^2 –x^2y
Date posted: October 22, 2017. Answers (1)
- Remove the bracket and simplify
a. (4-y)-2(2x-3y+2)
b. (5-y)-3(y-4x-2)
(Solved)
Remove the bracket and simplify
a. (4-y)-2(2x-3y+2)
b. (5-y)-3(y-4x-2)
Date posted: October 22, 2017. Answers (1)
- Remove the bracket and simplify
a. 6(r +s) + 8(r +s)
b. 4(2x +5) -3(6x-7)
(Solved)
Remove the bracket and simplify
a. 6(r +s) + 8(r +s)
b. 4(2x +5) -3(6x-7)
Date posted: October 22, 2017. Answers (1)
- In each of the following, pick the term which is not like the others
a. 4x, 6x, 8x, 3x^2, 12x
b. n^5, 6m^5, 8m^5, m^5,m^2, 4m^5
c. 2ab, ab, -ab, a^2b,...(Solved)
In each of the following, pick the term which is not like the others
a. 4x, 6x, 8x, 3x^2, 12x
b. n^5, 6m^5, 8m^5, m^5,m^2, 4m^5
c. 2ab, ab, -ab, a^2b, -3/5ab
Date posted: October 22, 2017. Answers (1)
- Simplify
a. 4a +6b +8a – 2b
b. -10m +2k -3m -5k
(Solved)
Simplify
a. 4a +6b +8a – 2b
b. -10m +2k -3m -5k
Date posted: October 22, 2017. Answers (1)
- Simplify (1/2)x + (1/3)y +(1/5)x(Solved)
Simplify (1/2)x + (1/3)y +(1/5)x
Date posted: October 22, 2017. Answers (1)
- Simplify 3a +4b-a+c+3b(Solved)
Simplify 3a +4b-a+c+3b
Date posted: October 22, 2017. Answers (1)
- Sam spend half of his monthly earning on food and one sixth on water and electricity. Write down an expression for the remainder of his...(Solved)
Sam spend half of his monthly earning on food and one sixth on water and electricity. Write down an expression for the remainder of his earning s.
Date posted: October 22, 2017. Answers (1)
- David is seven years older than his brother ken. Find the expression for
a. The sum of their ages
b. The sum of their ages in ten years to...(Solved)
David is seven years older than his brother ken. Find the expression for
a. The sum of their ages
b. The sum of their ages in ten years to come.
c. The product of their ages four years ago
Date posted: October 22, 2017. Answers (1)
- A certain number is add to 2/5 of itself. If the sum is doubled, write down the final statement(Solved)
A certain number is add to 2/5 of itself. If the sum is doubled, write down the final statement
Date posted: October 21, 2017. Answers (1)
- John earns thrice as much as his wife Joan. Write down an expression for the difference between their earnings.(Solved)
John earns thrice as much as his wife Joan. Write down an expression for the difference between their earnings.
Date posted: October 21, 2017. Answers (1)
- Four kids we given a certain number of oranges by their mother. If they were divided equally how many did each get?(Solved)
Four kids we given a certain number of oranges by their mother. If they were divided equally how many did each get?
Date posted: October 21, 2017. Answers (1)
- Ben is twice as old as his sister Jane, and their brother David is 7 years younger than Jane. Write an expression for the sum...(Solved)
Ben is twice as old as his sister Jane, and their brother David is 7 years younger than Jane. Write an expression for the sum of their ages.
Date posted: October 21, 2017. Answers (1)
- Use letters to express the following statements
a. The area of a triangle whose base is x cm and height y cm
b. The distance covered by an...(Solved)
Use letters to express the following statements
a. The area of a triangle whose base is x cm and height y cm
b. The distance covered by an object in given time t and speed m/s
c. The number of days in (x +10) weeks
Date posted: October 21, 2017. Answers (1)
- In a mathematics test, six students scored the following grades, 60, a, 40, b, c, d. Find their average score.(Solved)
In a mathematics test, six students scored the following grades, 60, a, 40, b, c, d. Find their average score.
Date posted: October 19, 2017. Answers (1)
- Use letters to express the following statements .
a. The sum of three consecutive integers
b. A number is multiplied by six then ten is added to the result
(Solved)
Use letters to express the following statements .
a. The sum of three consecutive integers
b. A number is multiplied by six then ten is added to the result
Date posted: October 19, 2017. Answers (1)
- The surface area of a sphere is given by the formula A= 4pr^2. What is the radius of a sphere whose surface area is 240...(Solved)
The surface area of a sphere is given by the formula A= 4πr^2. What is the radius of a sphere whose surface area is 240 cm^2. (correct to 4 decimal places)
Date posted: October 19, 2017. Answers (1)
- Calculate the length of the base of a triangle whose height is equal to the length of the base and its area is 60.5 cm^2.(Solved)
Calculate the length of the base of a triangle whose height is equal to the length of the base and its area is 60.5 cm^2.
Date posted: October 19, 2017. Answers (1)
- The area of a square is 48.44 cm^2. Calculate its perimeter.(Solved)
The area of a square is 48.44 cm^2. Calculate its perimeter.
Date posted: October 19, 2017. Answers (1)