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hjlf
3 years ago
10

Find mZB

Mathematics
1 answer:
ExtremeBDS [4]3 years ago
4 0

Step-by-step explanation:

\frac{ \sin(81) }{51}  =  \frac{ \sin(b) }{11}  \\   \sin(b)  = 0.213 \\ b = 12.3 \: degrees = 12 \: degrees

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What property is 10(5+9x) and 10(9x+5)
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Oliga [24]

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4 years ago
What are the coordinates of R' for the dilation D(0.5. p)(PQRS)?
11111nata11111 [884]

Answer:

R' = (-1,-0.5)

Step-by-step explanation:

See attachment for complete question.

From the attachment:

P = (-3,-3)

R = (1,2)

Dilation:

D_{(0.5,P)}

Required

Determine R'

First, subtract the coordinates of P from R. This means that R is measured from P.

R = (1-(-3),2-(-3))

R = (1+3,2+3)

R = (4,5)

Next, apply dilation factor 0.5

R' = R * 0.5

R' = (4,5) * 0.5

R' = (4* 0.5,5* 0.5)

R' = (2,2.5)

Lastly, measure R' from the origin by adding the coordinates of P to R'

R' = (2+(-3),2.5+(-3))

R' = (2-3,2.5-3)

R' = (-1,-0.5)

6 0
3 years ago
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