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dolphi86 [110]
3 years ago
15

Shirley got 72% on a Chemistry exam. The test was marked out of 150.

Mathematics
2 answers:
tensa zangetsu [6.8K]3 years ago
5 0

Answer:

Nhjj

Step-by-step explanation:

tankabanditka [31]3 years ago
4 0

Step-by-step explanation:

the answer is

a)108

b)120

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Please Help!!
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6 0
3 years ago
Someone please let me know the answer ​
erastova [34]

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when \:  \:   \sqrt{3}  \sin( \alpha )  -  \cos( \alpha )  = 0 \\  \sqrt{3}   \sin( \alpha )  =  \cos( \alpha )  \\ multiply \: by \:  \frac{1}{ \sqrt{3}  \cos( \alpha ) }  \\ then \\  \frac{ \sin( \alpha ) }{ \cos( \alpha ) }  =  \frac{1}{ \sqrt{3} }  \\  \tan( \alpha )  =  \frac{1}{ \sqrt{3} }  \\ then \:  \alpha  = 30

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