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3 years ago

What is the height of the building? 33.9 m 37.1 m 36.8 m 34.5 m

Mathematics

1 answer:

madreJ [45]3 years ago

5 0

37.1
Hope this helps a lot!!

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Please help! functions operations. explain please

Lina20 [59]

Answer:

$f^{-1}(x)=x^2-3$

Step-by-step explanation:

Given $f(x)=\sqrt{x+3}$

Let $y=\sqrt{x+3}$

Interchange x and y

$x=\sqrt{y+3}$

Solve for y, by first squaring both sides

$x^2=y+3$

$x^2-3=y$

Hence

$f^{-1}(x)=x^2-3$

The last choice is correct

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3 years ago

How to convert 45% into a fraction

JulsSmile [24]

Answer:

$\frac{9}{20}$

Step-by-step explanation:

Per cent means ' out of a hundred' , thus

45% = $\frac{45}{100}$ ← divide ( cancel) both 45 and 100 by 5

45% = $\frac{9}{20}$ ← in simplest form

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4 years ago

QUESTIONS

Alika [10]

Answer:

A) 2 cups

Step-by-step explanation:

For every 1 batch you need 1/3 so when you multiply the number of batches by 6 you need to do the same for the cups of raisins.

1/3 x 6 = 1/3 x 6/1 = 6/3 = 2

5 0

2 years ago

Which relationship in the triangle must be true ?

Ivan

Answer:

Choice B. sin(B)=cos(90-B)

Step-by-step explanation:

That cofunction identity is the one you looking for...choice B.

If you aren't convinced or don't know that identity, then maybe this will help:

90-B is actually the same thing as saying A for this right triangle since A+B=90.

So choice B basically says sin(B)=cos(A)

Well let's find both sin(B) and cos(A)

sin(B)=b/c

cos(A)=b/c

Those are the same ratios!

So they are equal!

3 0

3 years ago

Read 2 more answers

Deva bought 9 1/2 m of cloth for rupees 28 1/2.Samruth buys 26 1/3 m of same cloth. how much should samruth pay the shopkeeper?

likoan [24]

For this case we can make the following rule of three:

9 1/2 m --------------> 28 1/2 rupees

26 1/3 m -------------> x

From here, we clear the value of x.

We have then:

$x = (\frac{26+\frac{1}{3}}{9+\frac{1}{2}}) (28+\frac{1}{2})$

Rewriting we have:

$x = (\frac{\frac{79}{3}}{\frac{19}{2}}) (\frac{57}{2})$

$x = (\frac{158}{57}) (\frac{57}{2})$

$x = \frac{158}{2}$

$x = 79$

Answer:

samruth should pay 79 rupees to the shopkeeper

5 0

3 years ago