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3 years ago

Which of these nonterminating decimals can be converted into a rational number?

Mathematics

1 answer:

ValentinkaMS [17]3 years ago

4 0

A can be converted since it is a repeating decimal

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2 sin x cos x – sin x = 0

solniwko [45]

Answer: PiN, Pi/3+2PiN, 5Pi/3+2PiN

Step-by-step explanation: Use formula sheet

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2 years ago

The picture shows a barn door:

Hitman42 [59]

Answer:

(D)9 divided by sin 60 degrees

Step-by-step explanation:

From the given figure, using trigonometry

$\frac{BC}{AB}=sin60^{{\circ}}$

Substituting the given values, we get

$\frac{9}{AB}=sin60^{{\circ}}$

$\frac{9}{sin60^{\circ}}=AB$

$AB=\frac{9{\times}2}{\sqrt{3}}$

$AB=\frac{18}{\sqrt{3}}$

$AB=10.4 feet$

Thus, The length of the support AB is 9 divided by sin 60 degrees.

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3 years ago

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Which of the following is a rational number?<br> 97, 98, 99, 100

Jet001 [13]

Answer:

Step-by-step explanation:

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2 years ago

Need help with math pls help me I will mark brainiest

Dmitrij [34]

Answer:

the first one is D, the second one is B i think :)

Step-by-step explanation:

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2 years ago

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To win a prize at a fair you must throw a coin into a space that is 7.0 cm long and 4.0 cm wide. what is the area of the space y

dlinn [17]

Alright, lets get started.

space that is 7.0 cm long and 4.0 cm wide it means space is in rectangular shape.

The lenght of the space = 7 cm

The width of the shape = 4 cm

The formula of area of rectange = length * width

The area of rectange = $7*4$

The area of rectange = 28 square cm

So, the area of the space you are aiming for 28 square cm. : Answer

Hope it will help :)

3 0

3 years ago