3 years ago

Figure B is a scale image of Figure A, as shown.

Mathematics

1 answer:

galina1969 [7]3 years ago

3 0

Answer:

heyjsjsbsjwskozkdndjsisjwjsks

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The regular selling price of an item is $261. For special year-end sale the price is at a markdown of 20%. Find the discount pri

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208.8 or 209 for the discount price

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Helllp Simplify completely<br><br> 6x4+9x2+12x/3x

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4 years ago

4x^4 - 6x^2 - 7 = 0 How can I factor it?

My name is Ann [436]

Answer:

You cannot solve by factoring

Step-by-step explanation:

We want to solve $4x^4-6x^2-7=0$ by factoring.

We can rewrite as: $4(x^2)^2-6x^2-7=0$

So we have a quadratic equation in $x^2$ .

We split the middle term to get:

We look for factors -28 that sum up to -6

This is not possible hence the given equation is not factorable

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3 years ago

PLEASE HELP :)

e-lub [12.9K]

Answer:

Wait, could you explain

Step-by-step explanation:

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3 years ago

What is the inverse of f(x)=x^4+7 for x>0 where function g is the inverse of function f?<br> -

Ann [662]

Answer:

$g(x) = \sqrt[4]{x-7},~ x\geq 7$

Step by step explanation:

$y= f(x) = x^4+7\\\\\text{Replace x with y and solve for y:}\\\\~~~~~~~x = y^4 +7\\\\\implies y^4 = x-7\\\\\implies y = \pm\sqrt[4]{x-7}\\\\ \implies f^{-1}(x) = \pm\sqrt[4]{x-7}$

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2 years ago