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Brut [27]
3 years ago
7

How many different four-digit numbers can be made using 1,23,4,5,6 if no digit can be used more than once?

Mathematics
2 answers:
ser-zykov [4K]3 years ago
6 0
Only one! Try it, there is no way to make any more
torisob [31]3 years ago
6 0
I think if you can only use the numbers once total tben only one if its only one time per sequence of numbers then it will be more
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Avery's yard has an area of 5/4 acres, and Logan's yard has an area of 3/2 acres. What is the ratio of the area of Avery's yard
SOVA2 [1]

Answer:

5/6 to 1

Step-by-step explanation:

Hello

You have to divide (5/4)/(3/2) and to apply the ear´s law.

The result is = 5/6

Best regars

3 0
3 years ago
Read 2 more answers
Evaluate 1 1/4 x 6 giving your answer as a mixed number in simplest form.
Genrish500 [490]

Answer:

7 1/2

Step-by-step explanation:

First remember the rule to multiply fractions, you gots to have fractions; so convert 1 1/4 into a mixed number. To do this, multiply 1 by 4, then add 1. It equals 5/4.

Next multiply 5/4 by 6. You can "cross simplify" to make this problem easier and you will the the simplest form. To cross simplify, divide 6 and 4 by 2. The new thing is 5/2 times 3. This equals 15/2.

Divide but don't turn into decimal. 7 remainder 1 the divisor is 2.

Put them together 7 1/2

Final answer 7 1/2

Hope this helps

7 0
3 years ago
Sean has to read a book during summer break. He read 144 pages in 3 hours on the way to his grandma's house. If Sean reads at th
Elenna [48]
Sean reads his book by what speed
This answer is quite unorthodox
LIke a speed question. We will find the amount of pages Sean read per hour or minutes if u want to convert

So speed of reading = amount of pages read/ time
                                 = 144/3 hours or 144/3*60 minutes
                                  =48               or 8/10 minutes

So time taken to complete his book at the same pace he is reading 
amount of pages to read/speed of reading
=264/48      or 264*10/8
=5.5 hours  or 330 minutes

hope u understood
4 0
3 years ago
This one too I always get confused
otez555 [7]

Answer:

AHS

Step-by-step explanation:

Adjacent means same length and the opposiote sides angle is always the same one

4 0
3 years ago
Find the magnitude of v. v = -3i+ 40 + 7k v =
kherson [118]

Answer:

The magnitude of the given vector is 40.72 units.

Step-by-step explanation:

The given vector is v=-3\widehat{i}+40\widehat{j}+7\widehat{k}

We know that for any vector 'r' \overrightarrow{r}=x\widehat{i}+y\widehat{j}+z\widehat{k} the magnitude is given by

|r|=\sqrt{x^{2}+y^{2}+z^{2}}

Comparing with the given vector we have

x = -3

y = 40

z = 7

Thus the magnitude equals  

|v|=\sqrt{(-3)^{2}+40^{2}+7^{2}}

|v|=40.72

5 0
3 years ago
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