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Questions (23)

Show that X = 2 in the expression below4^* + 3^* = 5^* Pls note that * is X?
1. 1 answer
2. 315 views
Differentiate (x2-1/x)raise to power 2 with respect to x.?
1. 1 answer
2. 328 views
What Mass In Grammes Of Hydrogen sulphide will Be Required To Precipitate 15g of Copper Sulphide from A
1. 5 answers
2. 1,498 views
A cuboid of base 12.5cm by 20cm holds exactly 1 litre of water. What is the height of the cuboid?
1. 4 answers
2. 1,008 views
Use mathematics table to evaluate the following giving each answer correct to three significant figureA,0.3581x
1. 3 answers
2. 553 views
A sample of an organic compound with mass of 0.816g was completely burn in oxygen and found to produce 1.556g of co2 and 0.955g
1. 4 answers
2. 875 views
A 6 by 100ml used drills is to plant 10kg of maize per hectare.if the diameter of the drive wheel is 2m. calculate (1) the width
1. 1 answer
2. 461 views
√x^2+5 and (20+x) are complimentary angles. Find the feasible value of x?
1. 1 answer
2. 382 views
simplify the following algebraic fractions of different denominator3/a 7/b - 6/c?
1. 3 answers
2. 596 views
Factorize 81a^3 - 24b^6?
1. 1 answer
2. 456 views
A spiral spring of natural length 25cm has a scale pan hanging freely in its lower end. When an object of mass 45g is placed in
1. 2 answers
2. 582 views
27p^2 - 48q^2
1. 2 answers
2. 514 views
Factorize (4a+3)^2 -(3a-2)^2?
1. 2 answers
2. 831 views
1,000 identical drops of oil of density 5000kg/m havea total mass of 5 x 10kg. one of the drops forms a thin film of area 0.5m2
1. 2 answers
2. 542 views
A current is passed through three electrolytic cells containing silver trixonitrate(5),coppe(2)tetraoxonitrate(6) and brine
1. 4 answers
2. 1,593 views
If 7 and 189 are the first and fourth terms of a geometric respectively, find the sum of the first three terms of the
1. 4 answers
2. 1,164 views
Find the value of x for which 32 base =22 base five?
1. 1 answer
2. 338 views
the mark obtained by pupils of a class are grouped as shown below 0-4,5-9,10-14,15-19 the class width is?
1. 3 answers
2. 441 views
A body of mass 400g is whirled in a vertical of radius 2m at a steady rate of 2rev/s.find it's centripetal force
1. 2 answers
2. 688 views
231(n) - 143(n) = 44(n). Find the number base n.?
1. 5 answers
2. 2,096 views
(1.28×10raise to power 4) ÷(6.4×10 raise to power 2) equals?
1. 2 answers
2. 697 views
convert 1234 base 4 to a number in base six?
1. 1 answer
2. 396 views
What was the first technology and where did it come from??
1. 1 answer
2. 480 views

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