which of the following group of numbers are all prime numbers a.2,5,15,19 b.7,17,29,49 c.3,11,23,31 d.2,3,5,9,
antoniya [11.8K]
Prime numbers are those that cannot be divided by another number (other than themselves and 1). In other words, prime numbers have factors of themselves and 1.
For example, 3 is a prime number because its only factors are 3 and 1.
6 is not a prime number because it can be factored to 3*2.
Therefore, the correct answer is c. 3,11,23,31
You can divide 20 by 10 and you should get 2, or do 20 divided by 2 and get 10.
Answer:
Step-by-step explanation:
(5y + 9)(y - 2) is the solution
5y^2 - 10y + 9y - 18
hi hruStep-by-step explanation:
Answer:
infinite
Step-by-step explanation:
after distributing:
56x-40 = 56x-40
if both sides are equal then there are infinite values of 'x' that will make the equation true
