Questions and answers by

The orange baboon

Questions (18)

Given the set of ordered pair, find the domain and range, graph using mapping diagram and tell whether each set is a function or
1. 2 answers
2. 732 views
Find the value of n if 3^2n+1 =4 (3^n+1) +9=0?
1. 1 answer
2. 403 views
A radioactive substance has a half-life of 3 minutes. After 9 minutes, the count rate was observed to be 200. What was the count
1. 1 answer
2. 624 views
If 8 × 10^-2J of work is required to move 100microC of charges from a point X to a Point Y in electrical circuit, the p.d
1. 1 answer
2. 371 views
what value of x is the fraction undefined1). 1 / x^2 -3x + 2 2). X^2 + 3^2 + 36/ x2 - 3x- 10 3). 18/x + X^2 +1/X^2 -9 4).
1. 1 answer
2. 487 views
In a contest, Richard,Jennifer and Alex are asked to solve a problem. The respective probabilities that they solve the problem
1. 0 answers
2. 523 views
The volume of a fixed mass of gas at S..T.P is 130cm3, what is the temperature if the new the pressure is 1860mmHg and the
1. 2 answers
2. 444 views
The position vector of the points A,B and C are respectively: a=2i ̂-3j ̂+k ̂,b=4i ̂+2j ̂+5k ̂ and c=3i ̂-2j ̂+2k ̂.
1. 1 answer
2. 692 views
A hydrocarbon Y on combustion gives 0.352g of carbon(iv)oxide and 0.18g of water. Calculate the empirical formula of the
1. 3 answers
2. 2,308 views
Two points A and B have coordinates (5, 7) and (-1, 3) .(a) Find the mid-point of the line AB. (b) Find the length AB to 3 s.f.
1. 2 answers
2. 588 views
A cyclist cycled 8km at a certain average speed. He then increased his speed by 2km/h and took the same time to travel 9km. Find
1. 1 answer
2. 444 views
An electric iron, which draws a current of 5.0 A, is connected to a 240 Vrms supply. Calculate the energy consumed if it is used
1. 2 answers
2. 582 views
If a current of 2.5A flows for 2hrs45mins through a water voltameter. Determine the volume of hydrogen gas at s.t.p. [molar
1. 8 answers
2. 649 views
A trader purchased 10 dozen eggs at 300 naira per dozen. On getting to his shop, he found that 20 eggs were broken. How much did
1. 1 answer
2. 1,566 views
What is the volume of nitrogen that will be produced at stp from the decomposition of 9.60g of ammonium dioxonitrate(III)?
1. 4 answers
2. 1,146 views
8 pupils of average age of 12yrs leave a class of 30pupils of average age 14yrs. If 6 new pupils of average age 11yrs join the
1. 1 answer
2. 422 views
The fourth term of a GP is 2 and the a sixth term is 8. Find the common ratio and first term?
1. 1 answer
2. 1,296 views
Change 0.09×1.213.3×0.00025 in standard form?
1. 2 answers
2. 361 views

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