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Mariulka [41]
3 years ago
13

1. - 4 + (-8) =

Mathematics
2 answers:
Phantasy [73]3 years ago
5 0

Answer:

1.-4-8=-12

2.3+4-5=2

3.-13

4.8+12=20

5.5-9=-4

Step-by-step explanation:

If - and + are together, it turns to -

+ and - together, it turns to -

+ and + together, it turns to +

- and - together, it turns to +

Example :1+(-6)=1-6

2-(-3)=2+3

Get it?

The |-2| is an absolute value, meaning what matter the number inside the |... |, it becomes a positive integer.

Example:|-3|=3

|89|=89

|2-5|=|-3|=3

lara [203]3 years ago
4 0
1)4-8=-4
2)3+4-5=2
3) -13
4)8+12=20
5) -14
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I believe its3:23 to 3:24

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x=0

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3 years ago
A train travels from New York City to Washington D.C. and then back again. The table below shows the number of Coach tickets sol
alisha [4.7K]

Answer:  $74

<u>Step-by-step explanation:</u>

Let C represent the cost of a coach ticket

Let B represent the cost of a business ticket

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Solve the system using the Elimination method:

-2(150C +  50B = 18,450)   →   -300C - 100B = -36,900

1(170C + 100B = 27,280)   →     <u>170C + 100B =  27,280  </u>

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                                             <u>  ÷ -130              </u>  <u> ÷   -130    </u>

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8 0
3 years ago
Complete the sentence.<br> ------- is 4 times as much as 9.
Harlamova29_29 [7]

Answer:

36

Step-by-step explanation:

4 x 9 = 36

36 / 4 = 9

Therefore, 36 is 4 times as much as 9.

5 0
2 years ago
Read 2 more answers
Help please. I don't really understand.
aev [14]
Ok. 1/4 is 9/36 . you do this by seeing what will give you 36 when you have a 4 . and 9/9 when you divided both you get 0.25.

again we have 4/9 and we see what we can put in to get another 36 , but we have a 9, so it’s 4. 4/9 x 4/4 = 16/36 when you divide this you them both you get 0.44 so they’re equivalent.


so 0.25 is less than 0.44

basically it’s saying 25<44

so 1/4 is less than 4/9
6 0
3 years ago
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