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denis-greek [22]
3 years ago
12

Plz help me out I rlly can’t get it

Mathematics
1 answer:
joja [24]3 years ago
4 0
<h3>I'll teach you how to solve (sqrt 9)^2 +5</h3>

-------------------------------------------------

(sqrt 9)^2 +5

Apply radical rule:

(9^1/2)2

Apply exponent rule:

9^1/2*2

1/2* 2= 1

=9

9+5= 14

Your Answer Is 14

plz mark me as brainliest :)

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A certain virus infects one in every 200 people. a test used to detect the virus in a person is positive 70​% of the time when t
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We're told that

P(A)=\dfrac1{200}=0.005\implies P(A^C)=0.995

P(B\mid A)=0.7

P(B\mid A^C)=0.05

a. We want to find P(A\mid B). By definition of conditional probability,

P(A\mid B)=\dfrac{P(A\cap B)}{P(B)}

By the law of total probability,

P(B)=P(B\cap A)+P(B\cap A^C)=P(B\mid A)P(A)+P(B\mid A^C)P(A^C)

Then

P(A\mid B)=\dfrac{P(B\mid A)P(A)}{P(B\mid A)P(A)+P(B\mid A^C)P(A^C)}\approx0.0657

(the first equality is Bayes' theorem)

b. We want to find P(A^C\mid B^C).

P(A^C\mid B^C)=\dfrac{P(A^C\cap B^C)}{P(B^C)}=\dfrac{P(B^C\mid A^C)P(A^C)}{1-P(B)}\approx0.9984

since P(B^C\mid A^C)=1-P(B\mid A^C).

4 0
3 years ago
Classify the function as linear or quadratic and identify the quadratic, linear, and constant terms.
k0ka [10]

Answer: quadratic

Constant term -6

Quadratic term -18x^2

Linear term -21x

Step-by-step explanation:

(3x+2)(-6x-3)=-18x^2-21x-6

6 0
2 years ago
Light travels at a speed of about 1.86×105 miles per second. Suppose a space ship is able to travel at the speed of light. If th
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Answer:

The answer is 448 seconds

Step-by-step explanation:

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2 years ago
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Shkiper50 [21]

9514 1404 393

Answer:

  arc AC = 63°

Step-by-step explanation:

Arc BC is twice the measure of inscribed angle BAC, so is ...

  arc AC = 2×89° = 178°

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4 0
3 years ago
Can u guys plz give me the answer to number 1-3
jek_recluse [69]
I'm pretty sure it is 5:55


8 0
2 years ago
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