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3 years ago

Which scenario is most likely the one shown on the graph?

2 answers:

7 0

The total number of calories, y, in a salad with vegetables containing 50 calories topped with x ounces of salad dressing at 100 calories per ounce

nadezda [96]3 years ago

4 0

Hello,

I don't see a graph you can edit your answer by putting a graph then I can help you.

Your friend --- Young Sinatra

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A certain virus infects one in every 300 people. A test used to detect the virus in a person is positive 90% of the time when t

garik1379 [7]

Answer:

a) P[A/B] = 0,019 or P[A/B] = 1,9 %

b) P[A- /B-] = 0,9996 or P[A- /B-] = 99,96 %

Step-by-step explanation:

Bayes Theorem :

P[A/B] = P(A) * P[B/A] / P(B)

The branches of events are as follows

Condition 1 real infection 1/300 and not infection 299/300

Then

1.- 1/300 299/300

When the test is done (virus present) 0,9 (+) 0,15 (-)

2.- 299/300

When the test is done ( no virus ) 0,15 (+) 0,85 (-)

Then:

P(A) = event person infected P(B) = person test positive

a) P[A/B] = P(A) * P[B/A] / P(B)

where P(A) = 1/300 = 0,0033 P[B/A] = 0,9

Then P(A) * P[B/A] = 0,0033*0,9 = 0,00297

P(B) is ( 1/300 )*0,9 + (299/300)*0,15

P(B) = 0,0033*0,9 + 0,9966*0,15 ⇒ P(B) = 0,1524

Finally

P[A/B] = 0,00297 /0,1524

P[A/B] = 0,019 or P[A/B] = 1,9 %

b) Following sames steps:

P[A- /B-] = (299/300) * 0,85 / (299/300) * 0,85 + (1/300 * 0,1)

P[A- /B-] = 0,8471 /0,8474

P[A- /B-] = 0,9996 or P[A- /B-] = 99,96 %

6 0

2 years ago

A water sprinkler sends out water in a circular pattern. How many feet away from the sprinkler can it spread water is the area f

PSYCHO15rus [73]

Answer:

r= 13ft

Step-by-step explanation:

You are looking for the radius

The Area of a circle is

πr2=530.66

(3.14)r2=530.66

Divide both sides by 3.14

r2=169

Square root both sides to get radius

r=13 feet

6 0

3 years ago

Multiply: (3√6 - √2)(4√2 - √6)

mixer [17]

Given multiplication:

(3√6 - √2)(4√2 - √6)

= 3√6(4√2-√6)-√2(4√2-√6)

= 3√6*4√2 - 3√6*√6 - √2*4√2 + √2*√6

= 12√12 -3√(6*6) -4√(2*2) + √(2*6)

= 12√(4*3) - 3√(36) - 4√(4) + √(12)

= 12*2√3 - 3*6 - 4*2 + 2√3

= 24√3 - 18-8 +2√3

= 24√3 + 2√3 - 18-8

= 26√3 - 18-8

= 26√3 - 26

= 26(√3-1).

Answer:- (3√6 - √2)(4√2 - √6) = 26(√3-1)

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what is the simplified form of 6^square root of x multiplied by 6^square root of x multiplied by 6^square root of x multiplied by 6^square root of x? 1. x^2/3 2...

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3 0

2 years ago

Find the zeros of the function. Enter the solutions from least to greatest. f(x) = (x - 8)^2 - 9

Daniel [21]

Answer:

Step-by-step explanation:

The zeros of the function can be found by factoring. Since this has already been started with completing the square, we will just pick up from where it was left and finish factoring. Set the quadratic equal to 0 first.

$(x-8)^2-9=0$ then move over the 9: