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3 years ago

8

josefina likes the service she receives at her favorite cafe and wants to leave an 18% tip. Her bill is 22.00 . how much would s

he leave as a tip? How much will she pay altogether.

1 answer:

aleksklad [387]3 years ago

8 0

She will pay: $26.77

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Step-by-step explanation:

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3 years ago

Solve the equatuon<br><br> x/2-(2/(x+1))=1<br><br> x=?

Snezhnost [94]

$\frac{x}{2}-\frac{2}{x+1}=1$

We have 2 denominators that we need to get rid of. Whenever there are the denominators, all we have to do is multiply all whole equation with the denominators.

Our denominators are both 2 and x+1. Therefore, we multiply the whole equation by 2(x+1)

$\frac{x}{2}[2(x+1)]-\frac{2}{x+1}[2(x+1)] = 1[2(x+1)]$

Then shorten the fractions.

$\frac{x}{2}[2(x+1)]-\frac{2}{x+1}[2(x+1)] = 1[2(x+1)]\\x(x+1)-2(2)=1(2x+2)$

Distribute in all.

$x^2+x-4=2x+2$

We should get like this. Because the polynomial is 2-degree, I'd suggest you to move all terms to one place. Therefore, moving 2x+2 to another side and subtract.

$x^2+x-4-2x-2=0\\x^2-x-6=0\\$

We are almost there. All we have to do is, solving for x by factoring. (Although there are more than just factoring but factoring this polynomial is faster.)

$(x-3)(x+2)=0\\x=3,-2$

Thus, the answer is x = 3, -2

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2 years ago

2n^3-3n^2+2n=o<br>answer needed urgently pls

Kazeer [188]

$n = 0$

Step-by-step explanation:

<h2><em>Factor the </em><em>expression</em></h2>

<em> $2n ^ 3 - 3n ^ 2 + 2n = 0$ </em>

<h2><em>Separate into possible cases</em></h2>

<em> $n(2n ^ 2 - 3n + 2) = 0$ </em>

<h2><em>Solve the equation</em></h2>

<em> $n = 0[tex]n = 0 \: \: \: \: \: \: \: \: [tex]n = 0 \: \: \: \: \: \: \: \: 2n ^ 2 - 3n + 2 = 0$ </em>

<h2><em>Find the union</em></h2>

<em> $n = 0[tex]n = 0 \: \: \: \: \: \: [tex]n = 0 \: \: \: \: \: \: n = R$ </em>

<h2><em>there </em><em>for </em></h2>

<em> $n = 0$ </em>

<em>hope </em><em>it</em><em> help</em>

<em>#</em><em>c</em><em>a</em><em>r</em><em>r</em><em>y</em><em> </em><em>on</em><em> learning</em>

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3 years ago