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3 years ago

Evaluate the expression 9

Mathematics

2 answers:

Murljashka [212]3 years ago

7 0

The evaluation would be 3.

I hope this helps!

Sindrei [870]3 years ago

5 0

Answer:

Step-by-step explanation:

9/3

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Solving by elimination<br>4x-y=-4<br>5x=2y+1

Semenov [28]

Answer:

x=-3, y=-8

Step-by-step explanation:

please like my answer and brainliest me HSHSSHSHS

8 0

3 years ago

2(a + b)=<br> Helppp meee pleaseeeeee

wolverine [178]

Answer:

ITS C

Step-by-step explanation:

MULTIPLIED BY THE NUMBER TO THE LEFT LOL

3 0

3 years ago

There are 15 European cities that Kevin would eventually like to visit. On his next vacation, though, he only has time to visit

antoniya [11.8K]

Answer:

32760 different schedules are possible.

Step-by-step explanation:

The order is important.

For example

Prague on Monday, Berlin on Tuesday, Liverpool on Wednesday and Athens on Thursday is a different schedule than Berlin on Monday, Prague on Tuesday, Liverpool on Wednesday and Athens on Thursday.

So we use the permutations formula to solve this question.

Permutations formula:

The number of possible permutations of x elements from a set of n elements is given by the following formula:

$P_{(n,x)} = \frac{n!}{(n-x)!)}$

How many different schedules are possible?

Choose 4 cities among a set of 15. So

$P_{(15,4)} = \frac{15!}{(15-4)!)} = 32760$

32760 different schedules are possible.

6 0

3 years ago

Explain how the value of 7 in 327,902 will change if you move it to the tens place

Ilya [14]

In the initial number xx7,xxx; 7 is in the thousands place meaning its value is 7,000.
If it is moved to the tens place = xxx,x7x then it's value will decrease, it will become 70 only.

Every placement has its corresponding values, thus whereven the number 7 is place it is multiplied by its corresponding values (ones, tens, hundreds, etc).

5 0

3 years ago

HELP ASAP

Dahasolnce [82]

-9

-4

|1|

|-2|

|-3|

|-5|

|-6|

6 0

3 years ago

Read 2 more answers