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2 years ago

Which completely describes the polygon

Mathematics

1 answer:

Rom4ik [11]2 years ago

7 0

Answer:

None of the above.

Step-by-step explanation:

It is neither equiangular nor equilateral because we are given no indication of the sides and angles and it cannot be regular since it is neither equiangular nor equilateral. Therefore, the answer is none of the above.

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2 years ago

Read 2 more answers

Please Help!!

Genrish500 [490]

Given

$a\sqrt{x+b}+c=d$

we have

$\sqrt{x+b}=\dfrac{d-c}{a}$

Squaring both sides, we have

$x+b=\dfrac{(d-c)^2}{a^2}$

And finally

$x=\dfrac{(d-c)^2}{a^2}-b$

Note that, when we square both sides, we have to assume that

$\dfrac{d-c}{a}>0$

because we're assuming that this fraction equals a square root, which is positive.

So, if that fraction is positive you'll actually have roots: choose

$a=1,\ b=0,\ c=2,\ d=6$

and you'll have

$\sqrt{x}+2=6 \iff \sqrt{x}=4 \iff x=16$

Which is a valid solution. If, instead, the fraction is negative, you'll have extraneous roots: choose

$a=1,\ b=0,\ c=10,\ d=4$

and you'll have

$\sqrt{x}+10=4 \iff \sqrt{x}=-6$

Squaring both sides (and here's the mistake!!) you'd have

$x=36$

which is not a solution for the equation, if we plug it in we have

$\sqrt{x}+10=4 \implies \sqrt{36}+10=4 \implies 6+10=4$

Which is clearly false

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2 years ago

Find the Simple interest paid for eight years on a $850 loan at 7.5% a year

LekaFEV [45]

Answer:

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Step-by-step explanation:

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2 years ago

What is the value of x? A. 52/3 B.3/4 C.17 D. 52/7

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Answer:

Step-by-step explanation:

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timofeeve [1]

Answer:

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Step-by-step explanation:

since both sides equal the same amount..

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2 years ago