2 years ago

What are the sine, cosine, and tangent?

Mathematics

1 answer:

DerKrebs [107]2 years ago

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Find the sum of the digits 10^15−1.

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Answer:

149

Step-by-step explanation:

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2 years ago

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A. If a bus travels 6km in to minutes, what<br>distance does it travel in Isecondo

mina [271]

Answer:

60 second

Step-by-step explanation:

6km into minutes

1 minutes is 60 second

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3 years ago

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If f(x) =69-15x then f(f^-1(x))

xenn [34]

If f(x)=69-15x then $f(f^{-1}(x))=x$

Given :

$f(x)=69-15x\\$

Lets find out $f^{-1}(x)$ . The steps to find out f inverse are

Replace f(x) by y

$y=69-15x\\Interchange \; the \; variables\\x=69-15y\\solve \; for \; y\\x-69=-15y\\Divide \; by \; -15\\\frac{-x+69}{15} =y\\Replace \;y \;with \; f^{-1}\\f^{-1}=\frac{-x+69}{15}$

Now we find $f(f^{-1}(x))$

Replace inverse function in the place of x in f(x)

$f(f^{-1}(x))=f(\frac{-x+69}{15} )=69-15(\frac{-x+69}{15})=69-(-x+69)=69+x-69=x\\f(f^{-1}(x))=x$

Learn more :

brainly.com/question/11242094

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2 years ago

What are the prime fractorization of 240?

frozen [14]

Answer:

The prime factorization of 240, with exponents, is 24 × 3 × 5.

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3 years ago

Julie built a tower of blocks that stood 22.5 cm tall. Each block is 1.5 cm tall.

Pavel [41]

We must divide the total height by the size of the blocks to work out how many are in the tower
22.5 / 1.5 = 15 blocks

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3 years ago

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