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nlexa [21]
3 years ago
10

Why the multiple of any number other than 1 are not prime numbers

Mathematics
1 answer:
Katena32 [7]3 years ago
6 0
Because the fact that they can be the answer of a multiplication of a set of numbers other than one, means that they cannot be prime.

What is a prime number? A prime number is a number whose only factors are 1 and itself.

So for example, if you can use 2 multiplied 7 to get 14, then that means 2&7 are factors of 14. Since 14 has factors other than one and itself, then it isn't prime.

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David is buying fish for his aquarium. Clown fish cost $12 each and angel fish cost $7 each. If he has $100 to spend, and he wan
Anni [7]

Answer:

6 clown fish and 4 angel fish

Step-by-step explanation:

<u>lets say he bought 8 clown fish. </u>

12*8 = 96

the last 4 dollars wont be used.

<u>lets say he bought 7 clown fish-</u>

12*7 = 84

100 - 84 = 16. 16 is not a multiple of 7.

<u>lets say he bought 6 clown fish,</u>

12*6 = 72

100 - 72 = 28

28/7 = 4

If David has $100 dollars to spend and wants to spend every dollar, he can buy 6 clown fish and 4 angel fish.

3 0
2 years ago
Gina looks at the architectural plan of a four-walled room in which the walls meet each other at right angles. The length of one
Mice21 [21]
The shape of the room is not a square.
Pythagorean Theorem: 17^2+17^2= 578, square root 578 and you'll get 24.04.
The length of the diagonal of the floor of the room in the plan should have been 24.04 in order to be a square.
7 0
3 years ago
Solve the following system of equations by substitution.<br> y=-1<br> 5x + 7y = -2
Nady [450]

Answer:

(1,-1)

Step-by-step explanation:

7 0
2 years ago
members of the school anime club are organizing a trip to a local anime convention.the cost per ticket $15.25 if the anime club
KIM [24]

Answer:

anime is cool

Step-by-step explanation:

6 0
2 years ago
A3 + 3a2b - 4ab - 11b + 7?
Thepotemich [5.8K]
Hello!

Are you looking for how many "Terms" there are?

If so, then there would be: 5 terms, which are:

a³
3a²b
-4ab
-11b
7

I Hope my answer has come to your Help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead! :)
8 0
3 years ago
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