3 years ago

Orlando bought a new couch for 1728 using electronic store Fiancé plan he will pay $96

Mathematics

1 answer:

amid [387]3 years ago

8 0

The first one it just makes sense.

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The original quantity is 10 and the new quantity is 13. What is the percent change?

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Sphinxa [80]

Answer:

$m\angle XYV=135^{\circ}$

Step-by-step explanation:

Notice that $m\angle XYV=m\angle XYW+m\angle VYW$ .

The diagram already marks $m\angle VYW=80^{\circ}$ , so we just need to find $m\angle XYW$ .

$\angle TYU$ and $\angle XYW$ are vertical angles, which means they are equal in measure.

Therefore,

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Since there are $180^{\circ}$ on each side of a line, we have the following equation:

$m\angle XYW+m\angle VYW+m\angle UYV=180^{\circ},\\6x+7+13+4x+80=180,\\10x+20=100,\\10x=80,\\x=8$ .

Plugging in $x=8$ , we have:

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Therefore,

$m\angle XYV=55^{\circ}+80^{\circ},\\m\angle XYV=\fbox{$135^{\circ}$}$ .

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mrs. ramiriz is making pies to sell at the local farmer’s market. it costs her $5 to make each pie, plus a one-time cost of $30

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