3 years ago

I have a brainly plus subscription and it's not letting me see the answers....whats going on

Mathematics

1 answer:

mr Goodwill [35]3 years ago

4 0

Answer:

its a glitch

Step-by-step explanation:

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A lottery game has balls numbered 1 through 15. What is the probability of selecting an even numbered ball or a 13?

LiRa [457]

Answer:

8 / 15

Step-by-step explanation:

Sample space = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}

Required outcome :

Even numbers = (2, 4, 6, 8, 10, 12, 14) or 13

Total required outcomes = 8

Probability = required outcome / Total possible outcomes

P(even number or 13) = 8 / 15

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2 years ago

A circle has a circumference of 16π.<br> What is the radius of the circle?

oksian1 [2.3K]

Radius = Circumference / 2π
r = 16π/2π
r = 8

In short, Your Answer would be 8

Hope this helps!

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3 years ago

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Identify the slope as positive, negative, zero or undefined

slavikrds [6]

Answer:

Zero

Step-by-step explanation:

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3 years ago

PLEASE HELP ME I’m Stuck on this

raketka [301]

Answer:

Correct answer is option A.

Step-by-step explanation:

Please refer the attachment above

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3 years ago

Sinxcosxtanx=1-cos^2x

ycow [4]

Step-by-step explanation:

$sin x \: cos x \: tanx = 1 - {cos}^{2} x \\ LHS \\= sin x \: cos x \: tanx \\ =sin x \: cos x \: \times \frac{sin x}{cos x} \\ = sin x \: \times \frac{sin x}{1} \\ ={sin}^{2} x \\ = 1 - {cos}^{2} x \\ = RHS \\ \therefore \: sin x \: cos x \: tanx = 1 - {cos}^{2} x \\ Hence \: Proved.$

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3 years ago