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3 years ago

What is 2 3/10 as a decimal

Mathematics

2 answers:

kramer3 years ago

8 0

2.3 is the answer....

Lesechka [4]3 years ago

3 0

2.3 will be your answer

2 for the 2 (whole)
.3 is 3/10

if it was 3/100, it will be .03

hope this helps

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3 years ago

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3 years ago

[11 +{-18 divided by 9}]x2 HELP! Please and thanks

USPshnik [31]

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Step-by-step explanation:

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3 years ago

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sp2606 [1]

$\displaystyle\\Answer:\ x=\sqrt{2}\ \ \ \ \ x=-\sqrt{2}\ \ \ \ \ x=\frac{ln5}{2}$

Step-by-step explanation:

$5x^2-x^2e^{2x}+2e^{2x}=10$

$Let:\ x^2=t \ \ \ \ \ e^{2x}=v\\Hence,\\5t-tv+2v^2=10\\5t-tv+2v^2-10=10-10\\5t-tv-10+2v^2=0\\t(5-v)-2(5-v)=0\\(5-v)(t-2)=0\\5-v=0\\5-v+v=0+v\\5=v\\5=e^{2x}$

Prologarithmize both parts of the equation:

$ln5=lne^{2x}\\ln5=2x*lne\\ln5=2x*1\\ln5=2x\\$

Divide both parts of the equation by 2:

$\displaystyle\\x=\frac{ln5}{2}$

$t-2=0\\t-2+2=0+2\\t=2\\x^2=2\\x=\sqrt{2} \\x=-\sqrt{2}$

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1 year ago