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Number Theory
Page 5
Questions (6,221)
The sum of the digits of a two-digit number is 5. If 9 is subtracted from the number, the digits will be interchanged. Find the
4 answers
asked by
lila
713 views
What is the smallest perfect cube that has a factor of 4725?
Factors of 4725 are 3,3,3,5,5,7 I have 3^3 and 5^2 and 7. So I need
4 answers
asked by
samantha
1,173 views
can someone explain to me how to solve for the following:
Directions:Find the GCF of 6,18, and 30 well to get the answer you need
2 answers
asked by
Jasmine20
862 views
If a and b are positive integers, prove that;
ab = gcd(a,b)*lcm(a,b).
1 answer
asked by
romulo
577 views
are all numbers "real numbers"?
1 answer
asked by
anonymous
269 views
Find all values of the missing digit that make the statement true.
5,33_ is divisible by 11. A) 8 B) 6 C) 1 D) 5
5 answers
asked by
Annonom
955 views
Find one rational number and one irrational number between 0.3333.... and 0.4444....
2 answers
asked by
JAC OB254
50 views
Hi
Do decimals such as 2.718 represent rational numbers or irrational numbers. Explain. Do repeating decimals such as 2.3333 . .
4 answers
asked by
Algerba II
1,963 views
A music store gives every 20th customer a $5 gift card. every 50th customer gets a $10 gift card. Which customer will be the
10 answers
asked by
Kyle
1,094 views
Problem #1
Directions: Find the GCF for 14 and 21. My answer is: 7 Problem #2 Directions: List all the prime numbers between 25
2 answers
asked by
jasmine20
516 views
62 is divisible by which of following numbers
a. 1,3,31 62 b. 1,2,3,31 c. 1,4, 16, 62 d. 1,2,1,62
63 answers
asked by
REALLY NEED HELP
7,474 views
Provide a notes on tally prime as whole
2 answers
asked by
Jr
69 views
What is the least positive integer n such that n! is divisible by 1000?
5 answers
asked by
Anonymous
122 views
The sum of the HCF and LCM of two numbers is 680 and the LCM is 84 times of the HCF.lf one number is 56 ,find the other.
2 answers
asked anonymously
116 views
what is the formula for the josephus problem
2 answers
asked by
oii
56 views
Find the lowest perfect squared number that is divisible by 12, 16, 20 and 24
2 answers
asked anonymously
62 views
Given that €={10,11,12,13,14,15......,30}
A= {Multiples of 5} B={prime number of 10,11,12,13,14,15...,30} C={odd number} Find
2 answers
asked by
Aisha
74 views
what is the last date before today with no repetition of digits?
7 answers
asked by
....
79 views
.0003 what is value
2 answers
asked anonymously
98 views
Express 44100 as a product of its least prime factors
11 answers
asked by
Angel
106 views
10/17=0.5882352941176470 In the infinitely repeating decimal above ,five is the first digit in the repeating pattern ,what is
2 answers
asked anonymously
71 views
How many significant figures in 8000kg
2 answers
asked by
Qasim
84 views
Type a digit that makes this statement true.
4,24_,602 is divisible by 9.
10 answers
asked by
stupid
114 views
The highest common factor of 16, 32, 40 is
Show working
2 answers
asked by
Effy💙
101 views
Multiply the L.C.M of 4, 8 and 12 by its H.C.F
Show workings
4 answers
asked by
Effy💙
71 views
If 𝐹(𝑛) denotes the set of factors of the natural
number, including 𝑛 but excluding 1, find a number p such that
2 answers
asked by
Benny
81 views
The highest common factor of 12, 30, 42 and 72 is
2 answers
asked by
Effy💙
79 views
the hcf of x and 12 is 6. the lcm of x and 12 is 180. what is x.
7 answers
asked by
....
135 views
if x be the A.M between y and z,y be the G.M between z and x then x y z are in
2 answers
asked by
Prakash
70 views
Which of the following is true about -9
4 answers
asked by
St Jude girl
85 views
Which statement is true about the relationship between the number sets
5 answers
asked by
St Jude girl
382 views
what does it mean to say that a number is a perfect square? give one example of a number that is a perfect square and one that
2 answers
asked by
Anonymous ;)
115 views
How many 4 digit numbers can be made using 0-7 with no repeated digits allowed?
2 answers
asked anonymously
69 views
What do you do to check if a number is irrational or rational
4 answers
asked anonymously
94 views
How to check if a number is irrational or rational
1 answer
asked anonymously
99 views
What is pi 37
2 answers
asked anonymously
55 views
Which real world problem is most likely to involve irrational numbers
2 answers
asked by
St Jude girl
283 views
What is the least integer whose square roof is an irrational number between 5 and 7
5 answers
asked by
St Jude girl
144 views
Which is irrational?
Responses −13.2 negative 13 point 2 23 2 thirds 8√ square root of 8 16−−√
2 answers
asked by
Butterball
55 views
What is the largest integer whose square root is an irrational number between 3 and 4
9 answers
asked by
St Jude girl
498 views
what is the difference between an irrational number and integer
2 answers
asked by
Anonymous ;)
86 views
Number systems
2 answers
asked by
Lerato
83 views
A prime number is an integer greater than one that is only divisible by one and itself. Write a function in the form of Prime(n)
2 answers
asked anonymously
149 views
find odd natural number x if LCM (X , 40 )=1400
4 answers
asked by
mintesnot
204 views
How many divisors of 6 are found between 100 and 1000?
2 answers
asked anonymously
100 views
How many divisor of 6 numbers are there between 100 and 1000?
2 answers
asked anonymously
102 views
Formula to find the number when given gcf and lcm
2 answers
asked by
tafere
57 views
Which of the following is not a prime number?
Choose the best answer from the options below: A 17 B 39 C 23 D 31
2 answers
asked anonymously
125 views
What is the Least Common Multiple for 12 and 18?
Choose the best answer from the options below: A 2 B 6 C 3 D 36
2 answers
asked anonymously
81 views
Using a 16-sided number cube what is the probability that you will roll an odd number or an even prime number? Round to three
2 answers
asked by
slayrat
90 views
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