3 years ago

The diameter of a plant at its equator is 267,100 kilometers. estimate using scientific notation

Mathematics

1 answer:

yaroslaw [1]3 years ago

7 0

Answer:

2670

Step-by-step explanation:

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How do I get this answer?

Keith_Richards [23]

Answer:

Step-by-step explanation:

Several trig identities are involved in the proof of this. This is the order in which they are used.

cos(2x) = cos²(x) -sin²(x)
cos²(x) +sin²(x) = 1
cos(x) = 1/sec(x)

<h3>Proof</h3>

Starting with the left side, we can transform it into the right side.

$2\cos(2x)=2(\cos^2(x)-\sin^2(x)) = 2(\cos^2(x)-(1-\cos^2(x)))\\\\=2(2\cos^2(x)-1)=2\left(\dfrac{2}{\sec^2(x)}-\dfrac{\sec^2(x)}{\sec^2(x)}\right)\\\\=\boxed{\dfrac{4-2\sec^2(x)}{\sec^2(x)}}$

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2 years ago

This is what we call a ratio with unlike quantities

astra-53 [7]

It is called a rate.

Your Welcome

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3 years ago

If 17 bumper stickers cost $13.94, then 11 bumper stickers cost?

Lady bird [3.3K]

$9.02 because if you divide 13.94 by 17 you get 0.82, the price per sticker, then multiply that by 11 to find the price of 11 stickers.

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3 years ago

Read 2 more answers

Use an inequality symbol (<,>,=,<_) to compare -3+7____-10-2

Oliga [24]

Answer:

Step-by-step explanation:

-3+7= 4

-10-2= -12

4> -12

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3 years ago

Please help if you're good at geometry

Norma-Jean [14]

Answer:

6:00 a.m.

Step-by-step explanation:

4 0

2 years ago