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Obenda weighed 120kg before he was taken ill of HIV/AIDs. After sometimes his weight decreased by 10% every week for 5 weeks. He was put...

Obenda weighed 120kg before he was taken ill of HIV/AIDs. After sometimes his weight decreased by 10% every week for 5 weeks. He was put on ARVs and his weight increased by 5% every week for 3 weeks. What is his weight at the end of eighth week?

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sharon kalunda answered the question on August 20, 2019 at 09:38

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Tap A takes one hour to fill a tank with water. If tap B takes y hours to remove the same water and both taps... (Solved)

Tap A takes one hour to fill a tank with water. If tap B takes y hours to remove the same water and both taps takes 1 ½ hours to fill the tank, find the value of y.

Date posted: August 20, 2019 . Answers (1)
The position vector of points A and B relative to the origin O are a and b respectively. Given that a = 4i + 3j... (Solved)

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Date posted: August 20, 2019 . Answers (1)
Use reciprocal and cube root tables to evaluate. (Solved)

Use reciprocal and cube root tables to evaluate.

Date posted: August 20, 2019 . Answers (1)
Two points P and Q are found on the earth’s surface. The position of P is (52⁰S, 66⁰W) and Q (52⁰S, 114⁰E). Using earth’s radius... (Solved)

Two points P and Q are found on the earth’s surface. The position of P is (52⁰S, 66⁰W) and Q (52⁰S, 114⁰E). Using earth’s radius = 6370km:

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(b) Calculate the shortest distance between points P and Q along:-
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(ii) The Longitude in km (to one whole number).

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Date posted: August 20, 2019 . Answers (1)
(a) Sketch the graph of the function: y = 4x³ + 2x² – 5 (Solved)

(a) Sketch the graph of the function: y = 4x³ + 2x² – 5

(b) Find the area under the graph of the function: y = 4x³ + 2x² – 5 between lines y = 0, x = 1 and x = 3 by:
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Date posted: August 20, 2019 . Answers (1)
Express the following as fraction. (Solved)

Express the following as fraction.

Date posted: August 20, 2019 . Answers (1)
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Date posted: August 20, 2019 . Answers (1)
The figure below represents a quadrilateral piece of land ABCD divided into three triangular plots. (Solved)

The figure below represents a quadrilateral piece of land ABCD divided into three triangular plots. The lengths BE and CD are 100m and 80m respectively. Angle ABE = 30⁰, ACE = 45⁰ and ACD = 100⁰

(a) Find to four significant figures:
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Date posted: August 20, 2019 . Answers (1)
A sum of money is divided between three people, Tom, Mary and Lucy in the ratio 5:3:1. If Mary has sh.700 more than Lucy, calculate... (Solved)

A sum of money is divided between three people, Tom, Mary and Lucy in the ratio 5:3:1. If Mary has sh.700 more than Lucy, calculate how much Tom has.

Date posted: August 20, 2019 . Answers (1)
Using logarithms tables evaluate. (Solved)

Using logarithms tables evaluate.

Date posted: August 20, 2019 . Answers (1)
(a) Find the inverse of the matrix: (Solved)

(a) Find the inverse of the matrix:

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Date posted: August 20, 2019 . Answers (1)
A watch which looses a half-minute every hour was set to read the correct time at 0545h on Monday. Determine the time, in the 12... (Solved)

A watch which looses a half-minute every hour was set to read the correct time at 0545h on Monday. Determine the time, in the 12 hour system, the watch will show on the following Friday at 1945h.

Date posted: August 20, 2019 . Answers (1)
Find all the integral values of x which satisfy the inequality 3 (1 + x) < 5x – 11 < x + 45 (Solved)

Find all the integral values of x which satisfy the inequality
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Date posted: August 20, 2019 . Answers (1)
Coast bus left Nairobi at 8.00a.m. and traveled towards Mombasa at an average speed of 80km/hr. (Solved)

Coast bus left Nairobi at 8.00a.m. and traveled towards Mombasa at an average speed of 80km/hr. At 8.30am, Lamu bus left Mombasa towards Nairobi at an average speed of 120km/h. Given that the distance between Nairobi and Mombasa is 400km; determine:

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Date posted: August 20, 2019 . Answers (1)
The diagram below, not drawn to scale, is a regular pentagon circumscribed in a circle of radius 10cm at centre O Find (a) The length of any... (Solved)

The diagram below, not drawn to scale, is a regular pentagon circumscribed in a circle of radius 10cm at centre O

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Date posted: August 20, 2019 . Answers (1)
The table below shows how income tax was charged on income earned in a certain year. (Solved)

The table below shows how income tax was charged on income earned in a certain year.

Mr. Gideon is an employee of a certain company and earns a salary of Ksh. 15,200 per month. He is housed by the company and pays a nominal rent of Ksh. 1050 per month. He is married and is entitled to a family relief of Kshs. 450 per month.
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Date posted: August 20, 2019 . Answers (1)
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Date posted: August 20, 2019 . Answers (1)
Below is a net of a model of a solid. The lengths AB = BC = AC = 6.0cm and lengths AF = FB =... (Solved)

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b) State the name of the figure sketched:

Date posted: August 20, 2019 . Answers (1)
The masses of two similar bars of soap are 343g and 1331g. If the surface area of the smaller bar is 196cm². Calculate the surface... (Solved)

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Date posted: August 20, 2019 . Answers (1)
Mrs. Tabut bought 4 spoons and 6 plates for Kshs. 660 and Mrs. Koross bought 2 spoons and 1 plate less than Mrs. Tabut for... (Solved)

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Date posted: August 20, 2019 . Answers (1)