Ahhh if someone can,please answer asap! 20 points!

Mathematics

1 answer:

matrenka [14]3 years ago

6 0

Answer:

x = 32

The 9 and 4 ball are farthest from each other.

Step-by-step explanation:

Since the angles of a triangle add up to 180 degrees, you can create the equation (x-5)+(2x+1)+(3x-8)=180, which can be simplified to 6x-12=180. That means the value of x is 32. That means the 9 ball is at 27 degrees, the 4 ball is at 65 degrees, and the 5 ball is at 88 degrees. Based on the angles, the farthest distance would be between balls 9 and 4.

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The straight line with equation y=3/4x makes an acute angle theta with the x-axis.

yanalaym [24]

The angle is arctan(3/4) => sin(2t) = sin(2arctan(3/4)) =
2sin(arctan(3/4))cos(arctan(3/4))

Let z = arctan(3/4) => tan(z) = 3/4

2sin(arctan(3/4))cos(arctan(3/4)) = 2sin(z)cos(z) = 2(3/5)(4/5) = 24/25

cos(2t) = cos^2(t) - sin^2(t) = cos^2(z) - sin^2(z) = (4/5)^2 - (3/5)^2 = (16 - 9)/25

= 7/25

I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!

7 0

3 years ago

63/50 as a percentage??

aniked [119]

Step-by-step explanation:

Percentages are over 100.

Multiply 63/50 by 2:

$\frac{63\times 2}{50\times 2} =\frac{126}{100} =126\%$