10.31
the perimeter of ti
225 m
52. the diagram below represents a rectangular swi...
Mathematics, 18.11.2019 18:31, Brayner14
10.31
the perimeter of ti
225 m
52. the diagram below represents a rectangular swimming pool 25 m long and 10 m
the sides of the pool are vertical.
1mf
10 m
-
2.8 m
the floor of the pool slants uniformly such that the
depth at the shallow ends is lm and at the deep end is 2.8m.
(a) calculate the volume of water required to completely fill the pool.
(3 marks)
(b) water is allowed into the empty pool at a constant rate through an inlet pipe. it takes
9 hours for the water to just cover the entire floor of the pool.
calculate
(i) the volume of the water that just covers the floor of the pool.
(ii) the time needed to completely fill the remaining part of the pool.
(3 marks
[2005 pp1 no. 1
(3 marks
Answers: 2
Mathematics, 21.06.2019 17:30, cocothunder635
The manufacturer of a new product developed the following expression to predict the monthly profit, in thousands of dollars, from sales of the productwhen it is sold at a unit price of x dollars.-0.5x^2 + 22x - 224what is represented by the zero(s) of the expression? a. the profit when the unit price is equal to 0b. the unit price(s) when the profit is equal to 0c. the profit when the unit price is greatestd. the unit price(s) when profit is greatest
Answers: 3
Mathematics, 21.06.2019 18:50, bradenjesmt1028
Need 50 will mark brainliest answer. find the lengths of all the sides and the measures of the angles.
Answers: 1
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