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1 year ago

O Point

Mathematics

1 answer:

Anastasy [175]1 year ago

4 0

The order will be 1 3 2
first multiply
then divide
and at last subtract
BY USING THE MATH RULE PEMDAS
:)

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Simplify the expression <br> x+1+ 1/x+1<br> and give your answer in the form of <br> f(x) / g(x)

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3 years ago

Pls help me with this question!

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Step-by-step explanation:

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3 years ago

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Step-by-step explanation:

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3 years ago

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① 5J+2S =12.20 ② 5J+ 10S =15.80 elimination method

hram777 [196]

Answer:

Step-by-step explanation:

$5J +2S =12.20 ........(1)\\5J+10S=15.80......(2)\\Multiply \:equation \:(1)\:by\:the\:coefficient\:of\:x\:in equation\:(2)\\\\Multiply\:equation(2)\: by\: the\: coefficient\:of \:x\: in \:equation (1)\\\\5J +2S =12.20 ........(1) \times 5\\5J+10S=15.80......(2)\times 5\\\\25J+10S=61......(3)\\25J+50S = 79......(4)\\Subtract\:equation\:(4)\:from\: equation\: (3)\\-40S =-18\\\frac{-40S}{-40}=\frac{-18}{-40}\\ S = 9/20\\$

$Substitute \:9/20\:for \:x \:in\:equation\:(1)\:or \:equation\:(2)\\5J+2S = 12.20\\5J +2(9/20) =12.20\\5J +9/10=12.20\\5J=12.20-9/10\\5J=113/10\\Cross-Multiply\\50J = 113\\J = 113/50$

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3 years ago