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Bess [88]
3 years ago
6

How many four - digit numbers can be made from the numerals 7,6,5, and 3 4 12 24

Mathematics
2 answers:
Umnica [9.8K]3 years ago
8 0
12 if I'm not mistaken
andrezito [222]3 years ago
6 0

Answer:

12

Step-by-step explanation:

As you have 4 digist to create as many 4 digit numbers as you can you just have to think, how many starters do I have?

You have:

7

6

5

3

Those are how many you can start your number with, and then how many options of arrangements do I have for each one? and there are just three number to arrange in three different ways after that, it means that you have 4x3 ways to arrange those numerals to create 4 digit numbers.

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(3) A boy has 10 pens in a pack. He gives 2 pens to his friend. What fraction of the pack is left? *
Olegator [25]

Answer: \frac{4}{5}

Step-by-step explanation:

10 pens - 2 pens = 8 pens

Write 8 of 10 as a fraction.

You get \frac{8}{10}, right?

Now, simplify 8/10.

You get 4/5.

8 0
3 years ago
Spencer bought a soccer ball for $9. 95 and z baseballs for $2. 99 each. Which of the following expressions shows the total amou
Elan Coil [88]

Answer:

9.95 + 2.99z

Step-by-step explanation:

9.95 + 2.99z

6 0
2 years ago
How many solutions does the system have?
sertanlavr [38]
If a solution(s) exists y=y so we can say:

x^2-3x=-2x+2  add 2x to both sides

x^2-x=2  subtract 2 from both sides

x^2-x-2=0  factor

(x-2)(x+1)=0

So x=-1 and 2, using y=-2x+2 we find:

y(-1)=4 and y(2)=-2

So the two solutions occur at the points:

(-1,4) and (2,-2)
4 0
3 years ago
Read 2 more answers
Two friends Ana and Juan are buying books by joining the History Book
Travka [436]

Answer:

Ana  spent $17  per book on average.

Juan  spent $14.78  per book on average.

y = $15 + 17x--------- equation 1

y= $10 + 14.78 x------------- equation 2

Step-by-step explanation:

Ana has to pay a yearly fee of $15 to join.

She spends a total of $525 for 30 books.

The amount spent on books = Total amount - yearly fee

                                                 = $525- $15= $510

Price per book on the average = $510/30= $ 17

Ana  spent $17  per book on average.

Juan has to pay a yearly fee of $10 to join.

He spends a total of $350 for 23 books.

The amount spent on books = Total amount - yearly fee

                                                 = $350- $10= $340

Price per book on the average = $340/23= $ 14.78≅ $15

Juan  spent $14.78  per book on average.

The function can be established if y gives the total cost and x gives the number of books

y = $15 + 17x--------- equation 1

y= $10 + 14.78 x------------- equation 2

Juan has a better deal because the yearly fee is less also the price per book is less.

8 0
3 years ago
Solve 3x-5=16<br> i need the answer this math
Juliette [100K]
The correct answer is 7. You add five to both sides then divide by three and you get 7 for x

4 0
3 years ago
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