(18am -18ar)/(9ar-9am)= 18a(m-r)/9a(r-m)
=-18/9
=-2
joseph rimiru answered the question on October 25, 2017 at 06:36
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Simplify
(ax-ay)/(by-bx)
(Solved)
Simplify
(ax-ay)/(by-bx)
Date posted:
October 25, 2017
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Answers (1)
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Express the following as a single fraction
a. (p+q)/4 +(p-2q)/5
b. ½ + (3a +b)/(3a +3b)
(Solved)
Express the following as a single fraction
a. (p+q)/4 +(p-2q)/5
b. ½ + (3a +b)/(3a +3b)
Date posted:
October 24, 2017
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Answers (1)
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Express each of the following as a single fraction in its lowest form
a. (X-1)/2 + (x+1)/3
b. (3a^2 +ab)/ab...
(Solved)
Express each of the following as a single fraction in its lowest form
a. (X-1)/2 + (x+1)/3
b. (3a^2 +ab)/ab –(3a^2-ab)/5ab
Date posted:
October 24, 2017
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Answers (1)
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A vehicle travels at a speed of (x +10)km/h. what distance does it cover in (3y-5)hours?
(Solved)
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Date posted:
October 22, 2017
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A square lawn of side x cm is surrounded by a path of width 2m. write an expression for the area of the path.
(Solved)
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Date posted:
October 22, 2017
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Answers (1)
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A rectangular piece of cloth is (x+6)cm by (x-2)cm. A strip 3cm wide is cut off all around it. Write an expression for the area...
(Solved)
A rectangular piece of cloth is (x+6)cm by (x-2)cm. A strip 3cm wide is cut off all around it. Write an expression for the area of the strip.
Date posted:
October 22, 2017
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Answers (1)
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An empty basket mass is w kg. Forty eggs each of mass x grams are placed in the basket. Find the mass of y ...
(Solved)
An empty basket mass is w kg. Forty eggs each of mass x grams are placed in the basket. Find the mass of y such basket.
Date posted:
October 22, 2017
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Answers (1)
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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
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Answers (1)
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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
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Answers (1)
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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
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Answers (1)
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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)
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Date posted:
October 21, 2017
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Answers (1)
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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
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Answers (1)
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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
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Answers (1)
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(Solved)
Find√(900) using factorization.
Date posted:
October 19, 2017
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Answers (1)
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Evaluate (0.36 x 4.2 x 8.4)/(0.007 x 25.5) correct to 2 decimal places.
(Solved)
Evaluate (0.36 x 4.2 x 8.4)/(0.007 x 25.5) correct to 2 decimal places.
Date posted:
October 19, 2017
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Answers (1)
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Evaluate (0.390 – 0.016)/20 correct to 3 decimal places.
(Solved)
Evaluate (0.390 – 0.016)/20 correct to 3 decimal places.
Date posted:
October 19, 2017
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Answers (1)
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A pile of 20 identical novels of 250 equal leaves is 4.32 m high. Find the thickness of each leaf in centimeters.
(Solved)
A pile of 20 identical novels of 250 equal leaves is 4.32 m high. Find the thickness of each leaf in centimeters.
Date posted:
October 18, 2017
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Answers (1)
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Monica’s car use 96.8 litres of petrol per week. Find how much it uses per day.
(Solved)
Monica’s car use 96.8 litres of petrol per week. Find how much it uses per day.
Date posted:
October 18, 2017
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Answers (1)
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A certain county received 1078.8 mm of rainfall in 8 days. What was the average rainfall per day?
(Solved)
A certain county received 1078.8 mm of rainfall in 8 days. What was the average rainfall per day?
Date posted:
October 18, 2017
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Answers (1)
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Evan’s vehicle travels 13 km on one litre of petrol. If he traveled for 624.60 km in one day, how many litres did he use?
(Solved)
Evan’s vehicle travels 13 km on one litre of petrol. If he traveled for 624.60 km in one day, how many litres did he use?
Date posted:
October 18, 2017
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Answers (1)