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max2010maxim [7]

3 years ago

11

x+2=\sqrt{3x+10} 1.) What is the solution to the equation? 2.) What is the extraneous solution? Why? 3.) In general, what is an

extraneous solution?

1 answer:

rusak2 [61]3 years ago

3 0

No entiendo nada de cómo usar esto:(

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What would 2 x (x-3) sum be

brilliants [131]

Answer:

2x-6 I think

Step-by-step explanation:

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2 years ago

What is the equation of a line parallel to y=1/2×+6 that passes through (-4,1)

IgorC [24]

keeping in mind that parallel lines have exactly the same slope, let's check for the slope of the equation above

$y = \stackrel{\stackrel{m}{\downarrow }}{\cfrac{1}{2}}x+6\qquad \impliedby \begin{array}{|c|ll} \cline{1-1} slope-intercept~form\\ \cline{1-1} \\ y=\underset{y-intercept}{\stackrel{slope\qquad }{\stackrel{\downarrow }{m}x+\underset{\uparrow }{b}}} \\\\ \cline{1-1} \end{array}$

so we're really looking for the equation of a line whose slope is 1/2 and passes through (-4 , 1)

$(\stackrel{x_1}{-4}~,~\stackrel{y_1}{1})\hspace{10em} \stackrel{slope}{m} ~=~ \cfrac{1}{2} \\\\\\ \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{1}=\stackrel{m}{ \cfrac{1}{2}}(x-\stackrel{x_1}{(-4)}) \\\\\\ y-1=\cfrac{1}{2}(x+4)\implies y-1=\cfrac{1}{2}x+2\implies y=\cfrac{1}{2}x+3$

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2 years ago

Please help me!! Thank you

mrs_skeptik [129]

Answer:

The area of the circle is 153.86. Plz give me brainliest!

Step-by-step explanation:

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3 years ago

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How do u do this - 50 points pls help i need it

nika2105 [10]

This is a weird question but I believe sense you did bring the money then you are going to buy lunch.

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4 years ago

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A pizza company charges $8 for a large pizza and a $5 delivery charge. Write an equation that gives the

cupoosta [38]

8p +5 = $29
The above is the equation

If you want to know how many pizza were ordered then you subtract 5 from each side of the equal sign then you would have 8p=24 then divide by 8 on both sides of equal sign . p= 3 ; so 3 pizzas were order plus a charge of $5 for delivery.

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2 years ago