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Zanzabum
3 years ago
6

Paul's bathtub is clogged. He has to empty 30 liters of water by hand. If Paul carries two buckets each trip, what combination o

f sizes allow him to empty the bathtub in exactly 4 trips?
Mathematics
1 answer:
mojhsa [17]3 years ago
3 0

5 liter bucket with the 3 liter bucket twice, and then use the 3 liter bucket and the 4 liter bucket twice.

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What is the perimeter of the figure?
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Answer: C. 16.9

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Can some one please help me <br><br>solve: 6(x+4) = 30
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Answer:

6(x+4)=30

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Step-by-step explanation:

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Ravi buys pounds of flour. How many ounces of flour does he buy?
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There is 16 ounces in each pound, how ever many pounds it is multiply 16 by the number of pounds,

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Find the x-intercepts of the parabola with vertex (-3,-18) and y-intercept at (0,0)
statuscvo [17]
Y + 18 = a(x + 3)^2 
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<span>2 = a 
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<span>y = 2(x + 3)^2 - 18 </span>
<span>0 = 2(x + 3)^2 - 18 </span>
<span>18 = 2(x + 3)^2 </span>
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5 0
3 years ago
It is believed that 3% of people actually have this predisposition. The genetic test is 99% accurate if a person actually has th
fiasKO [112]

Answer:

Required Probability = 0.605

Step-by-step explanation:

Let Probability of people actually having predisposition, P(PD) = 0.03

Probability of people not having predisposition, P(PD') = 1 - 0.03 = 0.97

Let PR = event that result are positive

Probability that the test is positive when a person actually has the predisposition, P(PR/PD) = 0.99

Probability that the test is positive when a person actually does not have the predisposition, P(PR/PD') = 1 - 0.98 = 0.02

So, probability that a randomly selected person who tests positive for the predisposition by the test actually has the predisposition = P(PD/PR)

Using Bayes' Theorem to calculate above probability;

 P(PD/PR) = \frac{P(PD)*P(PR/PD)}{P(PD)*P(PR/PD)+P(PD')*P(PR/PD')}

                   = \frac{0.03*0.99}{0.03*0.99+0.97*0.02} = \frac{0.0297}{0.0491} = 0.605 .

7 0
3 years ago
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