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faust18 [17]
3 years ago
6

What’s the answer to the question

Mathematics
1 answer:
Bond [772]3 years ago
7 0

Answer:

C) y-2x=-5

Step-by-step explanation:

you want the equation y=mx+b. Your b is going to be where the line meets the y-axis, so 5. y=mx+5. Add 2x to both sides to get this form. y=2x+5. This might not make much sense sorry.

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Select the correct answer.
White raven [17]

Answer:

c is the best answer of this question

6 0
3 years ago
Read 2 more answers
On any given day, the probability that a large local river is polluted by carbon tetrachloride is 0.12. Each day, a test is cond
babymother [125]

Answer:

a) 0.2416

b) 0.4172

c) 0.0253

Step-by-step explanation:

Since the result of the test should be independent of the time , then the that the test number of times that test proves correct is independent of the days the river is correct .

denoting event a A=the test proves correct and B=the river is polluted

a) the test indicates pollution when

- the river is polluted and the test is correct

- the river is not polluted and the test fails

then

P(test indicates pollution)= P(A)*P(B)+ (1-P(A))*(1-P(B)) = 0.12*0.84+0.88*0.16 = 0.2416

b) according to Bayes

P(A∩B)= P(A/B)*P(B) → P(A/B)=P(A∩B)/P(B)

then

P(pollution exists/test indicates pollution)=P(A∩B)/P(B) = 0.84*0.12 / 0.2416 = 0.4172

c) since

P(test indicates no pollution)= P(A)*(1-P(B))+ (1-P(A))*P(B) = 0.84*0.88+  0.16*0.12 = 0.7584

the rate of false positives is

P(river is polluted/test indicates no pollution) = 0.12*0.16 / 0.7584 = 0.0253

4 0
3 years ago
Simplify the expression 18x^2/3x^6 .
sammy [17]

Answer:

6/x^4

Step-by-step explanation:

7 0
2 years ago
I would really appreciate if someone would help me i don’t understand
alekssr [168]

Answer:

D. 48

Step-by-step explanation:

In the experiment, 16/40 landed exactly on heads. If you do 16/40 * 3/3 = 48/120.

This means that you can estimate 48 of the next 120 trials have 2 coins showing heads.

6 0
2 years ago
Help I need this done ASAP anyone know how to solve this
ludmilkaskok [199]
Equation~ 5b + (2b - 4) + (3b -6)= 180.
4 0
2 years ago
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