3 years ago

What is the missing coefficient? (x^2+4x)-2x=x^2+_x

2 answers:

8 0

2 is the missing coefficient

3 0

Your answer is x=0...............................................

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vodka [1.7K]

Answer:

3336

Step-by-step explanation:

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3 years ago

tiny-mole [99]

$x^2+2x+8=0\\
x^2+2x+1+7=0\\
(x+1)^2=-7\\
x+1=-\sqrt{-7} \vee x+1=\sqrt{-7}\\
x=-1-\sqrt7 i \vee x=-1+\sqrt7 i$

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3 years ago

vladimir2022 [97]

Standard error (SE)
$se= \frac{s}{ \sqrt{n} }$
Or

$se = \sqrt{ \frac{ {s}^{2} }{n} }$

Therefore, SE of the mean = (8)/(2) =4

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3 years ago

Ann [662]

Formula $\sqrt({x} -x) ^{2}+(y-y) ^{2}$

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Wewaii [24]

Answer:

See explaination and attachment

Step-by-step explanation:

Please kindly check attachment for the step by step solution of the given problem.

I have the detailed answer as an attachment.

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3 years ago