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atroni [7]
3 years ago
5

Work out size of angle cde​

Mathematics
1 answer:
-Dominant- [34]3 years ago
8 0

Step-by-step explanation:

CDE = 2x, DEF = x

hexagon = 720°

720 = 115 + 145 + 160 + 90 + 2x + x

720 = 3x + 510

720 - 510 = 3x

210 = 3x

x = 210 ÷ 3

x = 70°

CDE = 2x

= 2(70)

= 140°

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Answer:

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Step-by-step explanation:

Sales tax rate = 5\%

Sales tax on bike = $9

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Let purchase price = x

We know that Sales tax = 5% of x

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So, we can write:

Sales tax = 5% of x

Putting values and finding x

9 =5\% \:of\: x\\9=\frac{5}{100}\:of\:x \\x= \frac{9*100}{5}\\x=180

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6 0
3 years ago
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8 0
3 years ago
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ratelena [41]

Answer:

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Step-by-step explanation:

Hello!

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Answer:

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Step-by-step explanation:

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3 years ago
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