I need someone to do this pls! Will give brainiest!

Mathematics

1 answer:

lyudmila [28]3 years ago

4 0

Answer: i'm sorry i have no idea how to do this

Step-by-step explanation:

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If the area of the following parallelogram is 30 square centimeters, what is the length of the base?150 cm

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Write as an equation: The sum of -7 and a is equal to 37.

Arte-miy333 [17]

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Sum is to add (-7) and (a), and “is equal to” is to use the = sign.
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Arrange the steps in the correct order to solve: <br> sin 3pi/4 cos pi/12

Dmitry [639]

$\bf \textit{Product to Sum Identities}
\\\\
sin(\alpha)cos(\beta)=\cfrac{1}{2}[sin(\alpha+\beta)\quad +\quad sin(\alpha-\beta)]\\\\
-------------------------------\\\\
sin\left( \frac{3\pi }{4} \right)cos\left( \frac{\pi }{12} \right)\implies \cfrac{1}{2}\left[ sin\left( \frac{3\pi }{4}+\frac{\pi }{12} \right) ~~+~~sin\left( \frac{3\pi }{4}-\frac{\pi }{12} \right)\right]$

$\bf \cfrac{1}{2}\left[ sin\left( \frac{9\pi+\pi }{12} \right) ~~+~~sin\left( \frac{9\pi-\pi }{12} \right)\right]
\\\\\\
\cfrac{1}{2}\left[ sin\left( \frac{10\pi }{12} \right) ~~+~~sin\left( \frac{8\pi }{12} \right)\right]\implies 
\cfrac{1}{2}\left[ sin\left( \frac{5\pi }{6} \right) ~~+~~sin\left( \frac{2\pi }{3} \right)\right]
\\\\\\
\cfrac{1}{2}\left[\cfrac{1}{2}~~+~~\cfrac{\sqrt{3}}{2} \right]\implies \cfrac{1}{2}\left[ \cfrac{1+\sqrt{3}}{2} \right]\implies \cfrac{1+\sqrt{3}}{4}$

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What is 4 x 10 to the power of 3 in standard notation?

Norma-Jean [14]

Answer:

4 × 103

Step-by-step explanation:

be grateful i helped u

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The spokes of a bicycle wheel form 10 congruent central angles. The diameter of the circle formed by the outer edge of the wheel