What are the solutions of −1 ≤ x − 3 < 4? Graph the solution. giving alot of points and ill give branliest

Mathematics

1 answer:

Vilka [71]2 years ago

5 0

So, This question was asked 6 DAYS AGO and I´m pretty sure that its been answered so- ima just take the points-

thamks

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Solve 5 over x plus 8 equals 3 over x for x and determine if the solution is extraneous or not.

Maurinko [17]

$\frac{5}{x+8}=\frac{3}{x}\ \ \ Domain\ D:x+8\neq0\to x\neq-8\ and\ x\neq0\\\\cross\ multiply\\\\5(x)=3(x+8)\ \ \ |use\ distributive\ property\ a(b+c)=ab+ac\\\\5x=3(x)+3(8)\\\\5x=3x+24\ \ \ \ |subtract\ 3x\ from\ both\ sides\\\\2x=24\ \ \ \ |divide\ both\ sides\ by\ 2\\\\\huge\boxed{x=12\in D}$

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2 years ago

Plz help stuck on the question

Gekata [30.6K]

The length of the rectangle is n-3, ok, the width is 2

the area of a rectangle is just length * width

$\bf A=(n-3)(2)\implies \boxed{A=2n-6}
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\textit{to make some equivalent, let's use our good friend Mr 1}
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\textit{recall that }\cfrac{whatever}{whatever}=1\qquad \qquad \cfrac{same}{same}=1
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\cfrac{55}{55}\cdot 2n-6\implies \cfrac{55(2n-6)}{55}\implies \cfrac{110n-330}{55}
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or
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\cfrac{xyz}{xyz}\cdot 2n-6\implies \cfrac{xyz(2n-6)}{xyz}\implies \cfrac{2nxyz-6xyz}{xyz}$

so, if you simplify either of those, you'd end up with 2n-6.

because same/same = 1, and 1 * anything, is just anything itself.

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3 years ago

recall that the difference between a country's exports and imports is called the country's trade balance. suppose last year the

vovangra [49]

Let's call trade balance b, exports e and imports i.

We now construct formula.

$b=\Delta{ei}=e-i$