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Novosadov [1.4K]
3 years ago
9

What three simpler multiplications can you use to find 8 x 242?

Mathematics
1 answer:
vovangra [49]3 years ago
6 0
8*200
8*40
8*2
And then add up the answers and there you go
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5 Consider this system of equations:<br> 5x + y = -2<br> 2x - 2y=4
Ilia_Sergeevich [38]

Answer:

x  = 0

  y  = -2

Step-by-step explanation:

The given system of equation are:

   5x + y = -2

   2x - 2y = 4  

The problem here is to find x and y from the expression

   5x + y = -2     ----- i

   2x - 2y = 4    ---- ii

 So;

i x 2 :  10x + 2y  = -4     ----  iii

ii x 5 :  10x - 10y  = 20    ----- iv

   iii - iv;   12y  = -24

                  y  = -2

    Now find x;

             5x + y  = -2

             5x  - 2  = -2

                  x  = 0

 

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3 years ago
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Step-by-step explanation:

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3 years ago
Decide which calculation shows the correct way to find 0.3 - 0.006 and explain your reasoning.
kirza4 [7]
D : 0.300- 0.006 is correct



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B is wrong bec the decimal places aren’t aligned

C is wrong bec again, the decimal places aren’t aligned
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276÷ -0.12=<br><br> I need the work shown, please.
oksano4ka [1.4K]

Answer:

-(276÷0.12)=-2300

Step-by-step explanation:

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Round 66,315,254 to the nearest ten-million
Flauer [41]

Answer:

Step-by-step explanation:

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70,000,000

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3 years ago
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