3 years ago

Which of the following numbers is a rational

Mathematics

1 answer:

Vikentia [17]3 years ago

7 0

Answer:

I think -3.5 is the right answer

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Solve. Show your work. 0.24+ 0.532 =

garik1379 [7]

Answer:

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Step-by-step explanation:

0.24+ 0.532 =

Line up the decimals

0.24

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0.772

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A fire department's ladder is 110 feet long. A firefighter is trying to reach the top of a 100 foot building by leaning the ladd

Alekssandra [29.7K]

Answer:

sin-¹(10/11)

Step-by-step explanation:

The height of the building is 100 ft and the ladder is 110ft long .We can imagine this situation as a right angled ∆. For figure refer to the attachment .

We can use ratio sine here. Let the angle of elevation be theta.

In ∆ ABC :-

=> sinθ = p/h

=> sinθ = 100ft / 110 ft

=> sinθ = 10/11

=> θ = sin -¹ ( 10/11) .

<h3>Hence the angle of elevation is sin -¹ ( 10/11). </h3>

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