3 years ago

USE A NUMBER LINE TO FIND 8/9 / 8/45.

Mathematics

1 answer:

zhuklara [117]3 years ago

4 0

If you divide those two you get <span>0.0024691358 hope that helped</span>

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Measureing midpoints

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What midpoints are you wanting to measure?

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3 years ago

(sin x)(tan x cos x - cot x cos x) = 1 - 2 cos2x

Aliun [14]

As

$\tan x=\dfrac{\sin x}{\cos x}$
$\cot x=\dfrac{\cos x}{\sin x}$

we have

$\sin x(\tan x\cos x-\cot x\cos x)=\sin x\left(\sin x-\dfrac{\cos^2x}{\sin x}\right)=\sin^2x-\cos^2x$

Recalling that $\cos2x=\cos^2x-\sin^2x$ , we end up with

$-\cos2x=1-2\cos2x$
$1=\cos2x$
$\implies2x=2n\pi$

(where $n$ is any integer)

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3 years ago

Which angles are adjacent to each other? Question is located in the attached file (image)

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Answer:

∠ 1 and ∠2

Step-by-step explanation:

Adjacent angles share a common ray or side between them, and have the same vertex.

Therefore, the adjacent angles from the given image are: ∠ 1 and ∠2.

The other given options are not adjacent angles because they do not have the same common vertex and ray.

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2 years ago

Simplify the following expression. 2x^5+3x^3-5x^2+7x+1+7x^5-3x^3-4

alisha [4.7K]

Answer:

9x^5−5x^2+7x−3

Step-by-step explanation:

2x5+3x3+−5x2+7x+1+7x5+−3x3+−4

(2x5+7x5)+(3x3+−3x3)+(−5x2)+(7x)+(1+−4)

9x^5+−5x^2+7x+−3

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2 years ago

A ball is thrown from an initial height of 3 feet with an initial upward velocity of 36 ft/s. The ball's height h (in feet) afte

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Answer:

t = 0.55 s and t = 1.14 s

Step-by-step explanation:

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2 years ago