What’s the missing angle

Mathematics

1 answer:

charle [14.2K]3 years ago

7 0

Answer:

the answer will be 28

Step-by-step explanation:

180-47-31=102

since vertical angles have the same value the top angles for both triangles will be 102 degrees

102+50=152

180-152=x

28=x

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Ulleksa [173]

Answer:

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Step-by-step explanation:

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4 years ago

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How many different 11-letter arrangements can be made using the letters in the word Firecracker?

zhenek [66]

Answer:

Total number of arrangements = 1,663,200

Step-by-step explanation:

Given:

11 - letter

FIRECRACKER

F = 1

I = 1

R = 3

E = 2

C = 2

A =1

K = 1

Find:

Total number of arrangements = ?

Computation:

Note: Repeated letter will be avoid.

$Number\ of\ arrangements = \frac{!11}{!3 \times !2 \times !2}\\\\Number\ of\ arrangements = \frac{!11}{!3 \times !2 \times !2} \\\\Number\ of\ arrangements = \frac{11 \times 10 \times 9 \times 8 \times 7 \times 6 \times 5 \times 4 \times 3}{3 \times 2 \times 2 } \\\\Number\ of\ arrangements = 1,663,200$