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Vinil7 [7]
3 years ago
13

If –3x+12 = 9x, then 5x=____

Mathematics
1 answer:
Viktor [21]3 years ago
6 0

Answer:

5x=5

Step-by-step explanation:

You add the -3x to the side with 9x

Then you get 12= 12x

Then simplify 1x=1 which means 5x=5

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What is the measure of EAB in circle F?<br> 72°<br> 92°<br> 148°<br> 200°
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We have been given a diagram. We are asked find the measure of arc EAB.

First of all, we will find the measure of arcs ED and CB using our given information.

We know that measure of an inscribed angle is half the measure of intercepted arc.

We can see that angle EBC is inscribed angle of arc EDC, so measure of arc EDC will be twice the measure of angle EBC.

\widehat{EDC}=2\times m\angle EBC

\widehat{EDC}=2\times 80^{\circ}

\widehat{EDC}=160^{\circ}

Similarly, we will find the measure of arc DCB.

\widehat{DCB}=2\times m\angle DEB

\widehat{DCB}=2\times 70^{\circ}

\widehat{DCB}=140^{\circ}

\widehat{ED}=\widehat{EDC}-\wdiehat{DC}

\widehat{ED}=160^{\circ}-88^{\circ}

\widehat{ED}=72^{\circ}

\widehat{ED}+\widehat{DCB}+\widehat{EAB}=360^{\circ}

72^{\circ}+140^{\circ}+\widehat{EAB}=360^{\circ}

212^{\circ}+\widehat{EAB}=360^{\circ}

\widehat{EAB}=360^{\circ}-212^{\circ}

\widehat{EAB}=148^{\circ}

Therefore, the measure of arc EAB is 148 degrees and option C is the correct choice.

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3 years ago
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Which of these is a proportional relationship?
Agata [3.3K]

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2 years ago
What was edwin average rate of jogging in miles per hour​
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Answer:Edwin average rate of jogging in miles per hour is

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Step-by-step explanation:

Hope this helps

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in 9 weeks, sonjay practiced the piano for 20 hours. At this rate, how many hours would she practice in 27 weeks?​
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Answer:

26

Step-by-step explanation:

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