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WorksheetsIT/024/S/L6
Total questions: 13
Worksheet time: 1hrs 10mins
Solve the following simultaneous equations using matrices
x + y = 8
2x + 3y = 10
x= 8
y= 10
x= 14
y= -4
x= 14
y= -6
x= 8
y=-6
he ages of people in the checkout queue at Aldi are as follows: 23,54,2,6,20,25,21,64,19,19,75,36.
30.3
33.3
31,3
30.1
Convert 1234510 to binary
(a)
Convert to decimal 110110012
207
271
217
107
Convert (1056)16 to an octal number.
(a)
Calculate 1101 * 10
(a)
11000/11
(a)
FF3C16 + 3FE216
(a)
6438+37578
(a)
In the campaign against smallpox a doctor inquired into the number of times 150 people aged 16 and over in an Ethiopian village had been vaccinated. He obtained the following figures: never, 12 people; once, 24; twice, 42; three times, 38; four times, 30; five times, 4. What is the mean number of times those people had been vaccinated and what is the standard deviation?
2.41
2.14
1.27.
1.72
Find the value of y at x = 4 given some set of values (2, 4), (6, 7)?
(a)
A coin is tossed twice determine the sample space
(a)
The probability of a student passing in science is ⅘ and the of the student passing in both science and maths is ½. What is the probability of that student passing in maths knowing that he passed in science?
1/2
5/8
3/4
4/5
