A carregar...
|
Pressione e Mantenha para Arrastar |
|||
|
Clique aqui para fechar |
|||
Pergunta 1 Relatório
What is the positive difference between the squares of 2.5 and 2.1 to 1 significant figures?
Detalhes da Resposta
Pergunta 2 Relatório
A is at 50°N and B is at 10°N, If A and B are on the same longitude, find the distance AS. Correct your answer to Four significant figures. (Earth radius = 6400km)
Detalhes da Resposta
Pergunta 3 Relatório
A chord 20cm long subtends an angle of 60° at the circumference of a circle, what is the diameter of the circle the nearest cm?
Detalhes da Resposta
Pergunta 4 Relatório
A ship sails 6km from a port on a bearing 070° and then 8km on a bearing of 040°. Find the distance from the port.
Detalhes da Resposta
Pergunta 5 Relatório
For what value(s) of x is the expression (x2 + 15x + 50) ÷ (x - 5) not defined
Detalhes da Resposta
Pergunta 6 Relatório
A flagpole is placed at the top of a tower. The angles of elevation of the bottom and top of the flagpole from a point on the ground 10m away are 40° and 50° respectively. Find the length of the flagpole.
Detalhes da Resposta
Pergunta 10 Relatório
Find the absolute mean deviation of the sample 10, 12, 14, 11, 13.
Detalhes da Resposta
Pergunta 11 Relatório
If A(I,2,3,...,10) ; B = (-5,-4,.....,-1) ; C = (-1, 0, 1, 2,....5) List all the elements in (B ∪ C) ∩ A
Detalhes da Resposta
Pergunta 12 Relatório
If (x - a) is a factor of bx - ax + x2 - ab, what is the other factor?
Detalhes da Resposta
Pergunta 14 Relatório
A bag contains 4 blue and 8 red identical balls. If two balls are picked at random with replacement, what is the probability of picking two balls of different colours?
Detalhes da Resposta
Pergunta 15 Relatório
The diagonals of a rhombus are 6cm and 8cm. Find the area of the rhombus.
Detalhes da Resposta
Pergunta 16 Relatório
A car dealer sells a car and makes a profit of 15%. If the car costs N320,000.00, how much did he sell the car?
Detalhes da Resposta
Pergunta 17 Relatório
If log 3 = 0.4771 and log 2 = 0.3010, what is the value of log 12?
Detalhes da Resposta
Pergunta 18 Relatório
Find the standard deviation of the numbers 6, 9, 10, 8 and 7
Detalhes da Resposta
Pergunta 19 Relatório
What is the Value of 11101\(_{two}\)+ 10011\(_{two}\) - 10001\(_{two}\)?
Detalhes da Resposta
Pergunta 20 Relatório
Find the Iength of a diagonal of a square whose area is 288cm2.
Detalhes da Resposta
Pergunta 22 Relatório
3 - 7, 8 - 12, 13 - 17, 18 - 22. Which of the following is/are true?
I. The class Interval is 4
II. The class boundaries are 2.5, 7.5, 12.5, 18.5, 22.5
III. The mid-marks are 5, 10, 15, and 20
Detalhes da Resposta
Pergunta 23 Relatório
If 7 is subtracted from twice a certain number x, the result is at most 5. What is the range of the number?
Detalhes da Resposta
Pergunta 24 Relatório
Mohammed is 8 years older than Joy now. In five years’ time he will be twice as old as Joy. How old is Joy now?
Detalhes da Resposta
Pergunta 26 Relatório
A surveyor measured the length of a obtained 42.55 metres. If his measurement was more than the actual length and the percentage error of his measurement was 8%, calculate the actual length of the land
Detalhes da Resposta
Pergunta 27 Relatório
The parallel sides of a trapezium are 13cm and 7cm. If the area of the trapezium is 50cm2, find the perpendicular distance between the parallel sides.
Detalhes da Resposta
Pergunta 28 Relatório
If a = {x : 1 < x < 9} ; b = {x : 0 < x < 9} ; C = {x : 2 x < 9} and a, b, c U, what are the elements in U?
Detalhes da Resposta
Pergunta 29 Relatório
T varies directly as D and inversely as A. Given that T = 6, D = 3, and A = 2, find A when T = 3 and D = 6.
Detalhes da Resposta
Pergunta 30 Relatório
Two fair dice are tossed together once. What is the probability of getting a total of at least 9 from the outcome?
Detalhes da Resposta
Pergunta 33 Relatório
In Δ ABC, A = 60°, C = 90° and AC = 12m. Find the Length of the hypotenuse.
Detalhes da Resposta
Gostaria de prosseguir com esta ação?