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2 years ago

X y

1 answer:

7 0

D) y=3x-7 is the right answer. If you plug in the numbers above you’ll see that those numbers make both sides of the equation equal. Hope I was able to help. Comment if you need further explanation.

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PYTHAGORAS THEROM AND TRIGONOMETRY RATIO

marysya [2.9K]

Answer:

1) ΔACD is a right triangle at C

=> sin 32° = AC/15

⇔ AC = sin 32°.15 ≈ 7.9 (cm)

2) ΔABC is a right triangle at C, using Pythagoras theorem, we have:

AB² = AC² + BC²

⇔ AB² = 7.9² + 9.7² = 156.5

⇒ AB = 12.5 (cm)

3) ΔABC is a right triangle at C

=> sin ∠BAC = BC/AB

⇔ sin ∠BAC = 9.7/12.5 = 0.776

⇒ ∠BAC ≈ 50.9°

4) ΔACD is a right triangle at C

=> cos 32° = CD/15

⇔ CD = cos32°.15

⇒ CD ≈ 12.72 (cm)

Step-by-step explanation:

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3 years ago

What is the meaning of babalawo

vaieri [72.5K]

Answer:

how are we supposed to know that

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2 years ago

Read 2 more answers

What is the length of side BC of the triangle?

cluponka [151]

The length of BC is 72 I hope this will help uh

8 0

2 years ago

Drag the tiles to the correct boxes to complete the pairs. Not all tiles will be used. Match each value to the correct expressio

serg [7]

Answer:

a. 27

b. 3

c. 15

d. 22

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3 years ago

Please help!!!!!WILL MARK BRAINLIEST.<br>what is the lateral area of the cone?

Ratling [72]

Answer:

Therefore Lateral Area of Cone is 189.97 yd².

Step-by-step explanation:

Given:

Slant height = 12.1 yd

Diameter = 10 yd

∴ Radius = half of Diameter = 10 ÷ 2 = 5 yd

To Find:

Lateral Area of Cone = ?

Solution:

We know that,

$\textrm{Lateral Area of Cone} = \pi\times Radius\times \textrm{Slant height}$

Substituting the given values we get

$\textrm{Lateral Area of Cone}=3.14\times 5\times 12.1\\\\\textrm{Lateral Area of Cone}=189.97\ yd^{2}$

Therefore Lateral Area of Cone is 189.97 yd².

4 0

3 years ago