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Snowcat [4.5K]
3 years ago
5

What are the center and radius of the circle whose equation is x2 + y2 + 4x = 5?

Mathematics
1 answer:
prisoha [69]3 years ago
5 0
The center is (-2,0)
The radius is -3
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yaroslaw [1]

QP=24 cm

RS=11.25 cm

QS=18.75 cm

<u>Explanation</u>:

Given that TQ bisects <RTP

therefore(1)

consider ΔRQS and ΔRPT

QS||PT,RP and RT are transversals

(alternate angles)(2)

comparing (1) and (2)

and triangle SQT is isocelus

Therefore SQ=ST(sides opposite to equal angles in an isocelus triangle)

Therefore <RQS=<RPT(corresponding angles)

<RSQ=<RTP(corresponding angles)

therefore by AA criterion for similarity

ΔRQS~ΔRPT

According to the property of similar triangles

RQ/RP=RS/RT=QS/PT9/RP=X/30=QS/50\\9/RP=X/30=(30-X)/50\\X/30=(30-X)/50\\50X=30(30-X)\\50X=900-30X\\50X+30X=900\\80X=900\\X=900/80=11.25\\RS=11.25 cm\\QS=30-X=30-11.25\\QS=18.75 cm\\9/RP=X/30\\9/RP=11.25/30\\9*30/11.25=RP\\RP=24 cm

3 0
3 years ago
What is the answer to how can you use fraction strips to show that the autofoor is 7 out of 8 are not equal events
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What is the equation represented by the order pairs {(0,32),(1,16),(2,8),(3,4)}?
bagirrra123 [75]

Answer:

The equation represented by the ordered pair is;

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Step-by-step explanation:

Here, we want to write the equation represented by the ordered pairs

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storchak [24]

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8 0
2 years ago
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