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lara31 [8.8K]
2 years ago
10

What is the arc length?

Mathematics
1 answer:
Gwar [14]2 years ago
4 0

Answer:

approximately 21, when rounded to nearest tenth.

Step-by-step explanation:

First, let's find the measure of angle BAD. Angles BAD and DAC add up to 180 degrees, so 180-57= 123 degrees. Now, let's find the circumference of the circle. The circumference is diameter * π, which is 19.6(π). Then, the ratio is 123/360, so multiply 19.6(π) by 123/360, and you get 21.0381988...... which simplifies to 21 (rounded to nearest tenth)

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A tv has height:width in ratio 9:16. In a scale drawing the height is 4.5cm. What would the width be?
ehidna [41]
\frac{4.5}{width}=\frac{9}{16}\\\\cross\ multiply.\\16\times4.5=9(width)\\72=9(width)\\\boxed{width=8\ cm}
6 0
3 years ago
Mike is making a mixture for an upcoming camp trip. He makes the mixture by combining 1/3 of a cup of cashews and 1/4 cups of al
kozerog [31]

Answer:

16 cups of cashews

12 cups of almonds

Step-by-step explanation:

Let's say x is the cups of cashews and y is the cups of almonds.

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7 0
2 years ago
Anyone can help asap?
Varvara68 [4.7K]

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(Here, x = miles)


120 + 0.50x = 60 + 0.60x

120 - 60 = 0.60x - 0.50x

60 = 0.10x

600 = x

7 0
3 years ago
Use the ratio table to determine how many people 13 subs would serve. Explain look at the photo
adoni [48]
I think its 44. The amount of people increase by 12 every time you add more subs. Hope that helps!
5 0
3 years ago
Read 2 more answers
What is the value of 7​
maw [93]

7 can be written as :-

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7 - 0 = 7

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_____

Hope it helps ⚜

8 0
2 years ago
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