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3 years ago

Please help!! Simplify the expression. csc^2x-1/ 1 +sinx

Mathematics

1 answer:

Gekata [30.6K]3 years ago

3 0

Answer:

Step-by-step explanation:

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Gavin, Colin and Dan share some sweets in the ratio 4:5:3. Gavin gets 20 sweets. How many sweets are there altogether?

Aliun [14]

9514 1404 393

Answer:

Step-by-step explanation:

Gavin has 20/4 = 5 times as many sweets as his corresponding number of ratio units. The total number of ratio units is 4+5+3 = 12, so the total number of sweets is 5×12 = 60.

There are 60 sweets altogether.

_____

They are divided as ...

Gavin: 20
Colin: 25
Dan: 15

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3 years ago

Brian pays £120 per week in rent.

sveta [45]

The correct answer is 138

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3 years ago

If a bug can flap its wings at a rate of 60 times in 2 seconds, how many times do they flap their wings in 2.604 minutes? Round

WITCHER [35]

Answer:

4,687.2 flaps

Step-by-step explanation:

#We calculate the number of flaps per second:

$Flaps/Second=\frac{60}{2}\\\\=30 \ flaps$

#Since one minute has 60 seconds, we will multiply our time by 60 seconds and then by flaps/second:

$Flaps=Rate \times time\\\\=30\times 2.604\times 60\\\\=4687.2\ flaps$

Hence, the bird makes 4,687.2 flaps in 2.604 minutes.

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3 years ago

What is the simplest form of 19/100?

vaieri [72.5K]

Is is literally
19/100
there is no simpler value

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3 years ago

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If f(x) = 5x, what is f–1(x)?

skelet666 [1.2K]

Answer:

$f^{-1} (x)=\frac{1}{5}x$

Step-by-step explanation:

we have

$f(x)=5x$

Let

y=f(x)

$y=5x$

Exchange the variables x for y and y for x

$x=5y$

isolate the variable y

$y=x/5$

Let

$f^{-1} (x)=y$

$f^{-1} (x)=\frac{1}{5}x$

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3 years ago

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