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Bnu Assignment 1 Semester 1
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- University Of South Africa (Unisa)
Bnu Assignment 1 Semester 1 (detailed solutions)
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BNU1501 ASSIGNMENT 1 2023 SEMESTER 1(DETAILED SOLUTIONS) 0603028742
Question 1
Match the terms in column B with a B
statement in column A A
1. The outcome of adding two or more a. Difference (Eg 5-2=3)
numbers gives the
2. The outcome of multiplying the two or b. Quotient (Eg 6/3=2)
more numbers gives the
3. The outcome of subtracting one number c. Sum (Eg 3+4=7)
from another number gives the
4. The result of the division of one number d. Product (Eg 5*3=15)
by another is the
[3] 1- c 2 - d 3 - a 4 - b
Question 2
Round off 20.85784 to:
When we want to round-off a decimal
a) Four decimal places number(eg 21.46437 or 10.749830) to four
b) The nearest whole number decimal places we must check the 5th number
(integer) after the comma, if the number after the
command Is greater than 4(>4) than we add 1
to the 4th number after the comma and avoid
[2] 20.8578 b) 21 the rest of the numbers after the 5th number
a) after the comma, but if the 5th number after
the comma is less than 5(5<) then we do not
add 1 on the 4th number after the comma.
, Question 3
Which of the following statements is true?
When we want to round-off a decimal
[1] 1.72 rounded to one decimal number(eg 7.464 or 1.74) to one decimal
place is 1.7 places we must check the 2rd number after
the comma, if the number after the
command Is greater than 4(>4) than we
add 1 to the 1st number after the comma
and avoid the rest of the numbers after the
1st number after the comma, but if the 2nd
number after the comma is less than 5(5<)
then we do not add 1 on the 1st number
after the comma.
Question 4
The multiplication of a number 4 by a variable 𝑦𝑦 can be represented in more than one way.
Which of the following representations is INCORRECT?
[1] 4𝑦
(is the only InCorrect Option hence Correct for the Question)
Question 5
A constant number usually written before a variable is called a
[2] coefficient ( Eg 2c or 6x > 2 and 6 are coefficients on each expression respectively)
Question 6
Let x be a number. Select the correct mathematical statement for the following equation
1
2𝑥 +14=21
[3] One half of a number increased by fourteen is twenty-one. ( 12 is half, x is number, increase is +
and is, is =)
Question 7
Select the equation for the following mathematical scenario. Zama has some money 𝑚. If he spends
R13.00, then he will have a third of the amount he started with.
[3] 𝑚−13= 13𝑚 (if Zama has m amount of money and he/she spends R13 then this>> m - 13
takes place and the third of a m is 13𝑚)
Question 8
Some pens are shared among three students Anne, Lucy and John. Anne gets 5 times as many pens as
Lucy, and Lucy gets 2 pens less than John. Suppose John gets 𝑥 pens, how many pens does Anne get
in terms of 𝑥?
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