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igomit [66]
3 years ago
14

If NQZ ~ CBK, find BK Look at picture

Mathematics
1 answer:
nevsk [136]3 years ago
5 0

Answer:

BK=39/7

Step-by-step explanation:

because NQZ~CBK

so BK/QZ = TZ/KF

(4x+1)/(2x+7) = 27/45 = 3/5

5(4x+1) = 3(2x+7)

20x + 5 = 6x + 21

14x = 16

x = 8/7

=> BK = 4(8/7)+1 = 39/7

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P(A1) = 0.60, P(A2) = 0.40, P(B | A1) = 0.05, and P(B | A2) = 0.10. Use Bayes’ theorem to determine P(A1 | B).
solmaris [256]

The result follows from manipulating the conditional probability. By definition,

P(A_1\mid B)=\dfrac{P(A_1\cap B)}{P(B)}=\dfrac{P(B\mid A_1)P(A_1)}{P(B)}

P(A_1\mid B)=\dfrac{0.05\cdot0.60}{P(B)}

By the law of total probability,

P(B)=P(B\cap A_1)+P(B\cap A_2)=P(B\mid A_1)P(A_1)+P(B\mid A_2)P(A_2)

So we have

P(A_1\mid B)=\dfrac{0.05\cdot0.60}{0.05\cdot0.60+0.10\cdot0.40}\approx0.4286

6 0
3 years ago
4. Do the rectangle and parallelogram below have the same area? Explain why or why not.
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Step-by-step explanation:

8 0
4 years ago
In triangle KLM, if K is congruent to L, KL = 9x - 40, LM = 7x - 37, & KM = 3x + 23, find x & the measure of each angle.
timurjin [86]
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3 years ago
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dsp73

Answer:

The third one is a rational number

Step-by-step explanation:

This is because the square root of 36 is 6 and the square root of 225 is 15. So the simplified problem for 3 is 6/15 or 2/5

5 0
3 years ago
Read 2 more answers
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I'm not sure how long you want this, but I did it when x = 0 all the way to when x = 5.
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1            4
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3           2
4           1
5           0
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3 years ago
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