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Verdich [7]
3 years ago
8

The Lcm of 4,9 what is that

Mathematics
2 answers:
Alexxandr [17]3 years ago
6 0

Answer:

36

Step-by-step explanation:

White raven [17]3 years ago
6 0

Answer:

36

Step-by-step explanation:

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Lyme disease is spread in the northeastern United States by infected ticks. The ticks are infected mainly by feeding on mice, so
Stels [109]

Answer: 90% confidence interval is; ( - 0.0516, 0.3752 )

 

Step-by-step explanation:

Given the data in the question;  

n1 = 72, n2 = 17

P1 = 54 / 72 = 0.75

P2 = 10 / 17 = 0.5882

so

P_good = 0.75

P_bad = 0.5882

standard ERRROR will be;

SE = √[(0.75×(1-0.75)/72) + (0.5882×(1-0.5882)/17)]

SE = √( 0.002604 + 0.01424)

SE = 0.12978

given confidence interval = 90%

significance level a = (1 - 90/100) = 0.1, |Z( 0.1/2=0.05)| = 1.645   { from standard normal table}

so

93% CI is;

(0.75 - 0.5882) - 1.645×0.12978 <P_good - P_bad<  (0.75 - 0.5882) + 1.645×0.12978

⇒0.1618 - 0.2134 <P_good - P_bad<  0.1618 + 0.2134

⇒ - 0.0516  <P_good - P_bad< 0.3752

Therefore 90% confidence interval is; ( - 0.0516, 0.3752 )

4 0
3 years ago
Use substitution to solve the system of linear equations. In your final answer, include all of your work.
Fantom [35]
Replace 'y' with -3x+4

x + \frac{1}{3} (-3x+4) = \frac{4}{3} \\  \\ x -x + \frac{4}{3} = \frac{4}{3}  \\  \\ \frac{4}{3} = \frac{4}{3}

The variable 'x' cancels out, leaving the True statement 4/3 = 4/3
This means that the 2 equations are identical regardless of what x and y are.

Answer: System is consistent and dependent, there are an infinite number of solutions.
4 0
3 years ago
Find the gradient of the line segment between the points (-3,3) and (4,4).&lt;br /&gt;
denpristay [2]

9514 1404 393

Answer:

  1/7

Step-by-step explanation:

The slope formula is useful for this.

  m = (y2 -y1)/(x2 -x1)

  m = (4 -3)/(4 -(-3)) = 1/7

The gradient of the line segment is 1/7.

4 0
3 years ago
Decompose the mixed number 1 3/5
Alex787 [66]

Answer: 8/5

Step-by-step explanation:  1x5+3=8/5

please mark as brainliest! :)

7 0
2 years ago
5x-3=13-3x(if there is no solution,type in ''no solution'') x= Answer
Sati [7]

Answer:

2

just solve it and it will come out

8 0
3 years ago
Read 2 more answers
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