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yawa3891 [41]
2 years ago
13

12.5 x 13 estimate i dont know how to do it XD I need help

Mathematics
2 answers:
anastassius [24]2 years ago
4 0

Answer:

162.5

Step-by-step explanation:

Hope this helps Please brainiest

Svetlanka [38]2 years ago
3 0

Answer:

Ok the answer is 162.5 but if you wanna learn how to do it, look at the explanation! :D

Step-by-step explanation:

To make it easy, you can split the 12.5 into 10 and 2.5, now that you have done that, multiplication is made easy! Multiply the 10 by 13 which gets you 130. Then, multiply the 2.5 by 13 to get 32.5, now add 130 and 32.5 together to get your answer, which in this case is 162.5! Hope this helped and I hope you have a magnificent day! :D

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8 0
3 years ago
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Answer:

Final result :

 x + 2

 —————

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Step-by-step explanation:

Step-1 : Multiply the coefficient of the first term by the constant   7 • 3 = 21  

Step-2 : Find two factors of  21  whose sum equals the coefficient of the middle term, which is   -10 .

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Step-3 : Rewrite the polynomial splitting the middle term using the two factors found in step 2 above,  -7  and  -3  

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Step-4 : Add up the first 2 terms, pulling out like factors :

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Step-5 : Add up the four terms of step 4 :

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            Which is the desired factorization

Please mark brainliest and have a great day!

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3 years ago
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Step-by-step explanation:

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