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3 years ago

00013 in scientific notation

Mathematics

1 answer:

Svet_ta [14]3 years ago

7 0

1.3 x 10^1

hope that helped
let me know if i am right please

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Whats 85 divided by 1500 rounded but like done already

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Answer is 17.647 or if rounded 18

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Turn 8/200<br> into a decimal using an equivalent fraction show your steps

malfutka [58]

8/200 is equivalent to 1/25 which as a decimal is 0.04
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3 years ago

What is tan theta when csc theta =2 sqrt 3?

Slav-nsk [51]

Answer:

$\displaystyle \tan\theta=\frac{\sqrt{11}}{11}$

Step-by-step explanation:

<u>Trigonometric Identities</u>

If the trigonometric function value of an angle is given, we can find the rest of the trigonometric values of the angle by using one or more of the fundamental identities.

To solve this problem, we need to use the following identities:

$\displaystyle \cot^2\theta=\csc^2\theta-1$

$\displaystyle \tan\theta=\frac{1}{\cot\theta}$

Since we are given:

$\displaystyle \csc\theta=2\sqrt{3}$

And the angle is in the first quadrant, calculate the cotangent:

$\displaystyle \cot^2\theta=(2\sqrt{3})^2-1$

$\displaystyle \cot^2\theta=4*3-1=11$

$\displaystyle \cot\theta=\sqrt{11}$

The tangent is:

$\displaystyle \tan\theta=\frac{1}{\sqrt{11}}$

Rationalizing the denominator:

$\displaystyle \tan\theta=\frac{1}{\sqrt{11}}*\frac{\sqrt{11}}{\sqrt{11}}$

$\boxed{\displaystyle \tan\theta=\frac{\sqrt{11}}{11}}$

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3 years ago

Please help me I've been stuck forever!! None of the answers on here are right even the verified ones!

vampirchik [111]

Answer:

ok so what you do is

Step-by-step explanation:

look it yep

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3 years ago

My brother is 5 years older than me. My sister is 3 years younger than me.

Ad libitum [116K]

Answer:

A) You would be 5

B) She would be 21

C) (Im guessing n in 9?) She would be 6 then

D) (idk what k is)

E)7 Years apart

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