Questions and answers by

Banana Bender

Questions (23)

Edward has four boxes of marbles. He notices that the product of the number of marbles in box 2,3 and 4 is identical to the
1. 5 answers
2. 70 views
the average score of two classes A and B is (3x+40) marks. The average score of class A of 40 students is (2x+31) marks. Find
1. 3 answers
2. 73 views
Fiona bought x boxes of oranges. There were 10 oranges in each box. When the boxes were opened, she found that p oranges were
1. 3 answers
2. 82 views
Fiona bought x boxes of oranges. There were 10 orans in each box. Write down an expression, in terms of x, for the number of
1. 3 answers
2. 65 views
Given that 3888+2ax3b find the values of a and b
1. 3 answers
2. 39 views
Express in index notation, 8960 as a product of its prime factors
1. 3 answers
2. 55 views
Express in index notation, 8960 as a product of its prime numbers.
1. 3 answers
2. 74 views
Express 5400 as the product of its prime factors
1. 3 answers
2. 61 views
Write down the largest factor of 3135 other than 3135 itself
1. 3 answers
2. 61 views
Express 3135 as a product of its prime numbers.
1. 3 answers
2. 72 views
List the prime factors of 2100
1. 3 answers
2. 44 views
Find the prime factorisation of 245
1. 3 answers
2. 61 views
(-3p) x 2 1/6 divide (-1/13p)
1. 2 answers
2. 62 views
Express index notation, 156 as a product of its prime factors, using a factor tree
1. 2 answers
2. 80 views
Express, in index notation, 150 as a product of its prime factors, using a factor tree.
1. 2 answers
2. 75 views
Find the smallest number that is divisible by all prime numbers between 1 and 11.
1. 2 answers
2. 70 views
Find a possible pair of prime numbers such that their difference is 2.
1. 2 answers
2. 53 views
Find a possible pair of prime numbers such that their sum is 90.
1. 2 answers
2. 55 views
Find the sum of the first three prime numbers that end with the digit 1.
1. 2 answers
2. 50 views
Given that x is a prime number and y is a composite number state True or False for each statement.(A)7y is a prime number
1. 2 answers
2. 66 views
Factor tree of 9600
1. 7 answers
2. 44 views
Factor tree of 7115
1. 2 answers
2. 43 views
(-4pqxp)➗ 8=
1. 2 answers
2. 51 views

Answers (4)

A perfect number is an integer greater than zero. When we add up all of the factors less than that number, we get that number. For example, we have the first perfect number 6. The factors of 6 less than itself is 1,2,3. 1+2+3=6. Find another perfect number
Find the largest multiple of 25 that is less than 427.
50400 factor tree
Factor tree of 11350

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