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Anna [14]
3 years ago
10

What is the slope intercept form of the function that contains the point (6,2) and has a slope of 3?

Mathematics
2 answers:
Semenov [28]3 years ago
6 0
Using y = mx + C.  Slope = m,  m = 3.
y = 3x + c

Substituting the point (6,2) into  the equation,  x = 6, y = 2.
2 = 3(6) + c
2 = 18 + c
2-18 = c
-16 = c
c = -16.  Substituting into y = mx + c

Therefore  y = 3x - 16.
skelet666 [1.2K]3 years ago
4 0
You can plug in the numbers like 2=3(6) + b then rearrange for b so 2-18=b so the answer to your question is y=3x-16
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What is the slope of (4,8) and (10,7)
saveliy_v [14]

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Step-by-step explanation:

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4 0
3 years ago
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A certain virus infects one in every 400 people. A test used to detect the virus in a person is positive 90% of the time if the
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Answer:Given:

P(A)=1/400

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By the law of total probability,

P(B)=P(B|A)*P(A)+P(B|A)*P(~A)

=(9/10)*(1/400)+(1/10)*(399/400)

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Note: get used to working in fraction when doing probability.

(a) Find P(A|B):

By Baye's Theorem,

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=P(B|A)*P(A)/P(B)

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(b) Find P(~A|~B)

We know that

P(~A)=1-P(A)=399/400

P(~B)=1-P(B)=133/136

P(A∩B)

=P(B|A)*P(A) [def. of cond. prob.]

=9/10*(1/400)

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P(A∪B)

=P(A)+P(B)-P(A∩B)

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P(~A|~B)

=P(~A∩~B)/P(~B)

=P(~A∪B)/P(~B)

=(1-P(A∪B)/(1-P(B)) [ law of complements ]

=(3591/4000) ÷ (449/500)

=3591/3592

The results can be easily verified using a contingency table for a random sample of 4000 persons (assuming outcomes correspond exactly to probability):

===....B...~B...TOT

..A . 9 . . 1 . . 10

.~A .399 .3591 . 3990

Tot .408 .3592 . 4000

So P(A|B)=9/408=3/136

P(~A|~B)=3591/3592

As before.

Step-by-step explanation: its were the answer is

5 0
3 years ago
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8 0
3 years ago
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