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Lubov Fominskaja [6]
3 years ago
15

Please help will give brainliest

Mathematics
1 answer:
Olenka [21]3 years ago
3 0
Give the other person brainliest just answering so they can get it
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Mademuasel [1]

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Step-by-step explanation:

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3 years ago
The numbers of chocolate
Mrrafil [7]

mean = sum/n

mean = (5 + 7 + 7 + 9 + 12 + 16 + 21)/7

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3 years ago
The altitude of an equilateral triangle is 9 inches. Find the perimeter of the triangle in inches.
Fiesta28 [93]
If we  draw a perpendicular line from one of the vertices of the triangle we get  2 right angled triangles  each with  altitude 9 ins  and vertex angle = 30 degrees.   So:-

cos 30 = 9 /h     where h = one of the sides of the equilateral triangle

h =  9 / cos 30  =  10.392 inches

Therefore the perimeter of the triangle = 3 * 10.392 =  31.1769 ins

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5 0
3 years ago
What is the answer of sin theta * cosec theta please multiply it.....​
ale4655 [162]

Answer:

Remember if cosecθ=1/sinθ

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CMIIW

5 0
1 year ago
Read 2 more answers
Four runners start at the same point; Lin, Elena, Diego, Andre. For each runner write a multiplication equation that describes t
Burka [1]

<u>Answer:</u>

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Andre: -258 ÷ 25 = <em>-10,32 meters per second </em>

7 0
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