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Leno4ka [110]
2 years ago
14

I need help please, I will give brainliest to the first 2 people

Mathematics
2 answers:
Tresset [83]2 years ago
8 0

Answer:

B

Step-by-step explanation:

they are parallel so it means none

fomenos2 years ago
6 0
No solution, when you graph them, the lines are parallel they never intersect
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The state medical school has discovered a new test for tuberculosis. (If the test indicates a person has tuberculosis, the
Inessa [10]

The probability according to the given scenario is:

(a) <em>0.0395</em>

(b) <em>0.95</em>

(c) <em>0.076</em>

The given values are:

  • P(B/A) = 0.79
  • P(A) = 0.05

(a)

The probability that the  b/w has tuberculosis as well as having (+) test will be:

→ P(A \cap B) = P(B/A).P(A)

By substituting the values, we get

→                  = 0.79\times 0.05

→                  = 0.0395

(b)

The probability that a person does not have tuberculosis will be:

→ P(A') = 1-P(A)

→            =1-0.05

→            = 0.95

(c)

The person does not have tuberculosis as well as have a (+) test, the probability will be:

→ P(A' \cap B) = P(A').P(B/A')

→                  = 0.95\times 0.08

→                  = 0.076

Learn more:

brainly.com/question/14816227

8 0
2 years ago
the ratio of girls to boys in the six grade class is seven to six. If there are 84 girls, how many boys are in the six grade
padilas [110]
There are 72 boys. 7:6 = 84:?, divide 84 by 7, you get 12. Multiply 6 by 12 to get the answer.
4 0
3 years ago
Which relationship describes angles 1 and 2?
Crazy boy [7]
Supplementary angle.
5 0
3 years ago
(13p5 + 6p - 12p2) - (-9p - p2 - 13p5)
anastassius [24]

Answer:

Step-by-step explanation:

13p⁵ + 6p - 12p² -(-9p - p² - 13p⁵) = 13p⁵ + 6p - 12p² + 9p + p² + 13p⁵

{Distribute  (-1) to the second expression}

= <u>13p⁵ + 13p⁵</u>    <u>-12p² + p²</u>     <u>+ 6p + 9p</u>

{Combine like terms}

= 26p⁵ - 11p² + 15p

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3 years ago
The expression sinx + cotx cosx can be simplified to___. A. cotx B. cscx C. cosx sinx D. secx
Sav [38]
\sin x+\cot x\cos x=\sin x+\dfrac{\cos x}{\sin x}\cos x=\dfrac1{\sin x}(\sin^2x+\cos^2x)=\csc x
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3 years ago
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