Will give 25 points and brainliest answer if correct

Mathematics

2 answers:

zimovet [89]3 years ago

8 0

The answer is A, which is 4,3,10,17,24,31.

AleksAgata [21]3 years ago

5 0

The first term a1 is given to be -4. The formula for the next terms: an = an-1 + 7 means to add 7 to the previous term to get the next.

-4, 3, 10, 17, 24, 31

Answer A

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Our teacher had1/2 of an eraser left.she gave that to her 2 students equally.how much of the eraser did every student take home

iogann1982 [59]

Hello,

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3 years ago

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ehidna [41]

Step-by-step explanation:

$\sin(60 - \theta) \sin(60 + \theta) \\ = \{ \sin(60) \cos( \theta) - \sin( \theta) \cos(60) \} \{ \sin(60) \cos( \theta) + \cos(60) \sin( \theta) \} \\ = \{ \frac{ \sqrt{3} }{2} \cos( \theta) - \frac{1}{2} \sin( \theta) \} \{ \frac{ \sqrt{3} }{2} \cos( \theta) + \frac{1}{2} \sin( \theta) \} \\ \\$

from difference of two squares:

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therefore:

$= \{ {( \frac{ \sqrt{3} }{2}) }^{2} { \cos }^{2} \theta \} - \{ {( \frac{ \sqrt{3} }{2} )}^{2} { \sin }^{2} \theta \} \\ \\ = \frac{3}{4} { \cos }^{2} \theta - \frac{3}{4} { \sin}^{2} \theta$