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3 years ago

15/10 as a long division and decimal. please show work

Mathematics

2 answers:

kvasek [131]3 years ago

8 0

Hope this helps! if u have any questions let me know

Inessa [10]3 years ago

8 0

Answer:

1.5

Step-by-step explanation:

I dont know how to write the log division sign here lol, but what you do is add one more zero to 15 and make it 1500, next you add a decimal point on the top and continue solving i am not the best at explaining an equation in words

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2 years ago

Need help<br> Question in the screenshot below<br> NO spam<br> Please show your work

Alja [10]

<h3>Answer: x = 6</h3>

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

Work Shown:

$\log_{4}(x+10)+\log_{4}(x-2)=\log_{4}(64)\\\\\log_{4}\left((x+10)(x-2)\right)=\log_{4}(64)\\\\(x+10)(x-2)=64\\\\x^2-2x+10x-20=64\\\\x^2-2x+10x-20-64=0\\\\$

$x^2+8x-84=0\\\\(x+14)(x-6)=0\\\\x+14=0 \ \text{ or } \ x-6=0\\\\x=-14 \ \text{ or } \ x=6\\\\$

Those are the possible solutions, but plugging x = -14 back into the original equation will lead to an error. So we rule x = -14 out

x = 6 works as a solution however

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3 years ago