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borishaifa [10]
3 years ago
7

Simplify (7x) - (-2x). 5x -5x 9x -9x

Mathematics
2 answers:
Murrr4er [49]3 years ago
6 0
9x is your answer       hope this helped a lot
vredina [299]3 years ago
3 0

I believe the answer to your question is 9x. I apologize in advance if I gave you the wrong answer.

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Convert 12midnight to 24h clock system ​
Leno4ka [110]

Answer:

exactly 12:00 midnight on a 24hour clock is represented as 00:00

5 0
2 years ago
Ms. Bell's mathematics class consists of 12 sophomores, 8 juniors, and 9 seniors. How many different ways can Ms. Bell create a
shtirl [24]

Answer:

792

Step-by-step explanation:

It's a combination question. The order is of no consequence. Also the fact that there are juniors and seniors is not important either.

So the answer is

12C5

12!

====

(12 - 5)! * 5!

12 * 11 * 10 * 9 * 8

==============

5 * 4 * 3 * 2 * 1

792

7 0
3 years ago
Can some one help on 30? thx
MariettaO [177]
The lowest common multiple of 2 and 7 is 14, so 14 days will pass before he does both chores again. 
5 0
3 years ago
Read 2 more answers
Evaluate.<br><br><br><br> 2⋅((42)−1)
Nana76 [90]

Answer:

Hi there!

Your answer is:

<em />

<em>Question was unclear! See below for answer possibilities!</em>

Step-by-step explanation:

<u>IF "-1" MEANS MULTIPLY BY NEGATIVE 1</u>

2((42) -1 ))

2(-42)

<h2><em>-84</em></h2>

<u>IF "-1" MEANS SUBTRACT 1</u>

2((42)-1)

2(41)

<h2><em>82</em></h2>

Hope this helps

5 0
4 years ago
What is the integer for spending $25
kozerog [31]
-25, Is the integer for spending $25.
6 0
4 years ago
Read 2 more answers
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