Answer:
see explanation
Step-by-step explanation:
Note that cos315° = cos45° and sin315° = - sin45° and
cos45° = sin45° = =
Hence
12(cos315° + isin315°)
= 12(cos45° - isin45°)
= 12( - i
)
= 6 - 6i
95% of what number is 57? I need to find the whole number
2 answers:
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Answer:
Jeff went over by 53.33 grams or grams.
Step-by-step explanation:
Jeff is baking a cake. The recipe says that he has to mix 32 grams of vanilla powder to the flour.
Jeff knows that 1 cup of that particular vanilla powder has a mass of 128 grams.
He added of a cup of vanilla powder to the flour.
So, he added a mass of grams of vanilla.
As the recipe says, it needs 32 grams of vanilla so Jeff went over by grams.
Jeff went over by 53.33 grams or grams.