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muminat
2 years ago
9

List all of the factors of 15. tell whether 15 is prime or composite

Mathematics
1 answer:
lukranit [14]2 years ago
5 0

Answer:

1,3,5,15    Composite because it has more than 2 factors.

Step-by-step explanation:

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Explain please thanks :)
dem82 [27]

Answer:

24

Step-by-step explanation:

The question is saying, how many three digit numbers can be made from the digits 3, 4, 6, and 7 but there can't be two of the same digit in them. For example 346 fits the requirements, but 776 doesn't, because it has two 7s.

Okay, on to the problem:

We can do one digit at a time.

First digit:

There are 4 digits that we can choose from. (3, 4, 6, and 7)

Second digit:

No matter which digit we chose for the first digit, there is only going to be 3 of them left, because we already chose one, and you can't repeat that same digit. So there are 3 options.

Third digit:

Using the same logic, there are only 2 options left.

We have 4 choices for the first digit, 3 choices for the second, and 2 for the third.

Hence, this is 4 * 3 * 2 = 24 three-digit numbers that can be made.

8 0
2 years ago
3 multiply 1 over 3<br><img src="https://tex.z-dn.net/?f=3%20%5Ctimes%20%20%5Cfrac%7B1%7D%7B3%7D%20" id="TexFormula1" title="3 \
nalin [4]
The answer to your question is 3
7 0
3 years ago
Read 2 more answers
María bought five apples for 20 cents each, she also bought three pounds of bananas for 25 cents per pound. How much did she spe
gulaghasi [49]

Answer:

She spend $2.00.

Step-by-step explanation:

8 0
3 years ago
24÷2²(-3)-7-2²-2(3-6) step by step please and thank you!​
gavmur [86]

Answer:

- 23

Step-by-step explanation:

24 \div {2}^{2} ( - 3) - 7 -  {2}^{2}  - 2(3 - 6) \\ 24 \div  {2}^{2} ( - 3) - 7 -  {2}^{2}  - 2( - 3) \\ 24 \div 4( - 3) - 7 -  4  - 2( - 3)\\ 6(-3) - 7 - 4 -2(- 3) \\  - 18 - 7 - 4 + 6 \\ -25 -4 +6 \\ -29 +6 \\ - 23

8 0
3 years ago
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Let g be the function given by g(x)=-3x^2-2x+3 evaluate g(-2)
sashaice [31]

g(x) = -3x² - 2x + 3

g(-2) = -3(-2)² - 2(-2) + 3

g(-2) = -12 + 4 + 3 = -5

8 0
3 years ago
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