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enriquecastillo1196

enriquecastillo1196

07.02.2021 •

Mathematics

Express 543/1000 as a decimal

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Ответ:

NoahJerowski67

09.04.2022

1000 place value is 3 decimals to the left. = .543

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Ответ:

jlueretha

04.09.2021

Let us assume the angle which the lifeguard makes at the point S be x°.

Now, we know that in a triangle,

$cosx=\frac{adjacent}{hypotenuse}$

i.e. $cosx=\frac{w}{d}$

i.e. $secx=\frac{d}{w}$ .

i.e. wsecx=d .

Hence, the distance is given by i.e. wsecx=d .

Further, we have that,

$tanx=\frac{opposite}{adjacent}$

i.e. $tanx=\frac{l}{w}$

i.e. $tanx=\frac{2w}{w}$ ( As l=2w )

i.e. tanx=2

i.e. $x=\arctan2$

i.e. x=1.107

So, the lifeguard can go from the path PS to MS i.e. the range of x is 1.107° to 90°

Alifeguard at position l spots a swimmer in trouble at one corner of the pool, s. she runs down the

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