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frozen [14]
2 years ago
7

Please Help me with the problem please!​

Mathematics
1 answer:
evablogger [386]2 years ago
4 0

Answer:

35%

total number of 11th graders = 32+18 = 50

calculating percentage:

18÷50×100

= 36%

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I Prove that Cos(90-θ)/1+sin(90-θ) +1+sin(90-θ) /cos(90-θ) =2
USPshnik [31]
Okay,

so first you gotta know that cos(90-x) is equal to sinx and sin(90-x) is equal to cosx!!
Now all you gotta do is replace the cos(90-x) to sinx in the numerator and sin(90-x) to cosx in the denomenator inorder to make the numerator all into sin and denomenator all into cos.
After that, open up the brackets and solve...
At the end you'll hopefully get something like this :( 1+sin90 ÷ 1+cos90 )
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6 0
3 years ago
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6 0
2 years ago
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kati45 [8]

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5 0
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Igoryamba
QR IS 23.8! Just subtract 68.4-44.6. The answer is right because 44.6+23.8=68.4
4 0
3 years ago
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