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2 years ago

3

There are 5 blue birds, 6 green ones, and 3 black ones. If I randomly catch 2 birds, what is the probability the first bird is b

lack and the second is green

1 answer:

juin [17]2 years ago

3 0

3 out of 14 for black and 1 out of 14 for green

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Bethany can mow her family’s lawn in 4 hours. Her brother Colin can mow the lawn in 3 hours. Which equation can be used to find

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The answer to this question is C

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If g(x) = 2x + 2 and h(x) = 4x2 + 8x + 8, find a function f such that f ∘ g = h. (Think about what operations you would have to

agasfer [191]

Answer:

Step-by-step explanation:

Hello,

$(\forall x \in \mathbb{R}) (fog)(x)=f(g(x))=f(2x+2)=h(x)=4x^2+8x+8\\\\=(2x+2)^2-2^2+4(2x+2)\\\\=(2x+2)^2+4(2x+2)-4\\\\\text{So, we conclude by.}\\\\\large \boxed{\sf \bf f(x)=x^2+4x-4}$

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2 years ago

The probability that the first stage of a numerically controlled machining operation for high-rpm pistons meets specifications i

lora16 [44]

Answer:

There is an 85.5% probability that both stages meet specifications.

Step-by-step explanation:

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A 90% probability that the first stage meets specifications.

If the first stage meets specifications, a 95% probability that the second stage also meets specifications.

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This is the multiplication of these probabilities. So:

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2 years ago

m∠RSW = 2x + 16; m∠WSV = 3x + 2 m∠UST = 2x; m∠VSU = m∠UST Find m∠WSV. please answer this geotemrty is really hard

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Answer: 56 degree

Explanation:

2x + 16 + 3x + 2 + 2x + 2x = 180 (straight angle)

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x = 162/9
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But WSV = 3x + 2

And x = 18

=> 3(18) + 2
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Sorry, I don't know how to explain, I just automatically knew the answer. Hope it helps!

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