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Lorico [155]
2 years ago
13

Does anyone know the answer?????

Mathematics
2 answers:
harina [27]2 years ago
8 0

Answer:

its y= -3x+7

Step-by-step explanation:

she used the x intercept for the y - intercept and the y- intercept for the c-intercept

Viefleur [7K]2 years ago
6 0

Answer:

-3x + 7

Step-by-step explanation:

she used the y-intercept as the slope and the slope as the y- intercept.

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I NEED HELPPPppp!!!!
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answer  choice D

Step-by-step explanation:

x => 6 - 4x > 18

= 6-18 > 4x

= - 12 > 4x

= -3 > x

= x < -3

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Graph function y=x+1
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Answer:

Are u asking to graph a point(s)?

Step-by-step explanation:

Ok I have the answer

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3 years ago
In this figure, lines a and b intersect a transversal, c.
pogonyaev

Answer: Alternate exterior angles

Step-by-step explanation:

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Find the length of side AG<br> Give your answer to 1 decimal place
Firlakuza [10]

Answer:

AC = 17.3

Step-by-step explanation:

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= √18.6862701378782 - 72

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6 0
3 years ago
The test to detect the presence of respiratory syncytial virus is 97% accurate for a person who has the virus and 99% accurate f
Setler79 [48]

Answer:

The probability that a randomly selected person gets incorrect result is 2.2 × 10⁻⁴

Step-by-step explanation:

The parameters given are;

The accuracy of the test for a person who has the respiratory synctial virus = 97%

The accuracy of the test for a person who does not have the respiratory synctial virus = 99%

We have;

a = TP =

b = FP

c = FN

d = TN

a/(a + c) = 0.97

d/(d + b) = 0.99

a/(a + b) = 0.97*0.0055/(0.97*0.0055 + (1 - 0.99)*(1-0.0055))

PPV = 0.349 = 34.9%

Therefore, we have;

a/(a + c) = 0.97 and

a/(a + b)  =  0.349

0.97(a + c) =0.349(a + b)

(0.97 - 0.349)a = 0.349·b - 0.97·c

a = (0.349·b - 0.97·c)0.621

b × (1 - 0.0055) = (1 - 0.97)×(1 - 0.0055)

b = 1 - 0.97 = 0.03

Similarly,

c = 1 - 0.99 = 0.01

The proportion of the population that have false positive and false negative = 0.03 + 0.01 = 0.04 = 4%

The probability that a randomly selected person gets incorrect result = 0.04×0.0055 = 0.00022.

5 0
3 years ago
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