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- The masses of 40 babies born in a clinic were recorded as shown in the table below
Calculate
a) the mean mass using an assumed mean of...(Solved)
The masses of 40 babies born in a clinic were recorded as shown in the table below
Calculate
a) the mean mass using an assumed mean of 2.7 Kg
b) the median mass
c) If 18 % of them were born underweight, determine how many children were the correct weight at birth.
Date posted: August 30, 2019. Answers (1)
- A board 1m long and 80cm wide costs Sh. 62.40. What would be the cost of a similar shaped board 75cm long.(Solved)
A board 1m long and 80cm wide costs Sh. 62.40. What would be the cost of a similar shaped board 75cm long.
Date posted: August 30, 2019. Answers (1)
- Simplify the expression below.(Solved)
Simplify the expression below.
Date posted: August 30, 2019. Answers (1)
- The Point x divides RS externally in the ratio 7:2. If R(5,2) and S(-4,1), determine the magnitude of OX.(Solved)
The Point x divides RS externally in the ratio 7:2. If R(5,2) and S(-4,1), determine the magnitude of OX.
Date posted: August 30, 2019. Answers (1)
- A motorist left Namanga, a distance of 150 Km at 8:00 am and traveled to Emali at an average speed of 90 Km/hr. Another motorist...(Solved)
A motorist left Namanga, a distance of 150 Km at 8:00 am and traveled to Emali at an average speed of 90 Km/hr. Another motorist left Emali for Namanga at 8:30 am and traveled at 100km/hr. Calculate:
a) the time they met
b) how far they met from Emali
Date posted: August 30, 2019. Answers (1)
- In the figure below, O is the centre of the circle. Determine angle ADB(Solved)
In the figure below, O is the centre of the circle. Determine angle ADB
Date posted: August 30, 2019. Answers (1)
- Given that log (3x – 7) = 3 log 5. Calculate x.(Solved)
Given that log (3x – 7) = 3 log 5. Calculate x.
Date posted: August 30, 2019. Answers (1)
- Determine the constant term in the expansion of(Solved)
Determine the constant term in the expansion of
Date posted: August 30, 2019. Answers (1)
- In a dark room, there are 2 pairs of blue stockings and 3 pairs of yellow stockings. If John walks into the room and picks...(Solved)
In a dark room, there are 2 pairs of blue stockings and 3 pairs of yellow stockings. If John walks into the room and picks two pair of socks, one at a time, what is the probability that picks socks of different colors?
Date posted: August 30, 2019. Answers (1)
- Calculate the volume of a liquid weighing 0.9kg/litre which must be mixed with another liquid weighing 0.77 kg/litre which must be mixed with another liquid...(Solved)
Calculate the volume of a liquid weighing 0.9kg/litre which must be mixed with another liquid weighing 0.77 kg/litre which must be mixed with another liquid weighing 0.75 kg/litre to produce a blend weighing 0.8kg/litre
Date posted: August 30, 2019. Answers (1)
- Factorize and simplify(Solved)
Factorize and simplify
4x2 + 6xy + 4xz + 6yz
Date posted: August 30, 2019. Answers (1)
- Use mathematical tables to evaluate(Solved)
Use mathematical tables to evaluate
Date posted: August 30, 2019. Answers (1)
- Expand the expression below to the term in x3 and use the expansion estimate the value of the expression given below it correct to 2...(Solved)
Expand the expression below to the term in x3 and use the expansion estimate the value of the expression given below it correct to 2 decimal places.
estimate the value of
Date posted: August 29, 2019. Answers (1)
- Given that P = QXn make n the subject of the formula and simplify your answer.(Solved)
Given that P = QXⁿ make n the subject of the formula and simplify your answer.
Date posted: August 29, 2019. Answers (1)
- Differentiate with respect to x(Solved)
Differentiate with respect to x
Date posted: August 29, 2019. Answers (1)
- Two grades of coffee one costing sh.42 per kilogram and the other costing sh.47 per kilogram are to be mixed in order to produce a...(Solved)
Two grades of coffee one costing sh.42 per kilogram and the other costing sh.47 per kilogram are to be mixed in order to produce a blend worth sh.46 per kilogram in what proportion should they be mixed.
Date posted: August 29, 2019. Answers (1)
- In the figure below, EAF and EDG are tangents to the circle. AB is parallel to DC, angle FAB = 46° and angle AED =...(Solved)
In the figure below, EAF and EDG are tangents to the circle. AB is parallel to DC, angle FAB = 46° and angle AED = 110°.
Find the values of angles P and q.
Date posted: August 29, 2019. Answers (1)
- A map has a scale of 1 : 2500 and on it is square plot of land which has an area of 4cm². Calculate the...(Solved)
A map has a scale of 1 : 2500 and on it is square plot of land which has an area of 4cm². Calculate the actual area in hectares of the land.
Date posted: August 29, 2019. Answers (1)
- The initial salary of Mr. Lutta is sh. 42,000 per annum. His salary increases by 13% each year. Determine his total earnings after 15 years....(Solved)
The initial salary of Mr. Lutta is sh. 42,000 per annum. His salary increases by 13% each year. Determine his total earnings after 15 years. Give your answer to the nearest thousands.
Date posted: August 29, 2019. Answers (1)
- Solve the equation below.
72x – 8 x 7x + 7 = 0(Solved)
Solve the equation below.
72x – 8 x 7x + 7 = 0
Date posted: August 29, 2019. Answers (1)