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marusya05 [52]
3 years ago
8

A slide 5.4 meters long makes an angle of 29° with the ground. How far above the ground is the top of the slide? a. 2.52 m c. 4.

72 m b. 2.99 m d. 2.62 m
Mathematics
1 answer:
sdas [7]3 years ago
6 0
With these questions, the best approach is to draw a diagram to represent the question. Draw a right angle triangle with an angle of elevation 29 degrees (make sure to label the angle that meets the base and hypotenuse as 29 degrees).

From here, we say that the hypotenuse is the slide itself, which is 5.4 metres. Using basic trigonometric ratios, we can deduce that:

sin(29) = x/5.4
x = 5.4sin(29) which is approximately 2.62 metres.
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Answer:

both should

be equal to hope my work is correct or helps

Step-by-step explanation:

first one

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5-5=0

then divide by -3

-30 divided by -3 =10

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so it is equal to not less than

second one

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subtract 5 from both sides 5-5=0

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then divide both sides by -3

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3 years ago
A circular plate has circumference 21.4 inches. What is the area of this​ plate? Use 3.14 for pi.
Brut [27]

Answer:

The area of this plate is 36.31\ \text{inches}^2.

Step-by-step explanation:

We have,

Circumference of a circular plate, C = 21.4 inches

The circumference of a circular shape is given by :

C=2\pi r

r is radius of circular shape

r=\dfrac{C}{2\pi}\\\\r=\dfrac{21.4}{2\times 3.14}\\\\r=3.4\ \text{inches}

Area of this plate is given by :

A=\pi r^2\\\\A=\pi (3.4)^2\\\\A=36.31\ \text{inches}^2

So, the area of this plate is 36.31\ \text{inches}^2.

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

Expand L side to get

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Answer:

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Step-by-step explanation:

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