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ruslelena [56]
3 years ago
13

What is 18.84 rounded to the nearest 10th

Mathematics
1 answer:
Virty [35]3 years ago
8 0
If the last digit in the fractional part of 18.84 is less than 5, then simply remove the last the digit of fractional part. Answer 18.8
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According to a​ survey, 67​% of murders committed last year were cleared by arrest or exceptional means. Fifty murders committed
Mrac [35]

Answer:

a) P(X=41)= 0.0086 = 0.86%

b) P(36≤X≤38)== 0.1215 = 12.15%

c) would be unusual that fewer that 20 murders were cleared because P(X≤20) = 0.000081 =0.0081%

Step-by-step explanation:

if the random variable X= number of cleared murders , then X follows a binomial distribution:

P(X=x)= n!/[(n-x)!*x!]*p^x*(1-p)^(n-x)

where P(X=x)= probability of x cleared murders, n= number of murders selected=50 , p= probability for a murder to be cleared (67%)

therefore

a) P(X=41)=50!/[(50-41)!*41!]*0.67^41*0.33^(50-41)= 0.0086

b) P(36≤X≤38)= P(X≤38) - P(X≤36) = 0.9371- 0.8156 = 0.1215

c) P(X≤20) = 0.000081

therefore would be unusual that fewer that 20 murders were cleared

5 0
3 years ago
Write the rational number 0.3 in the form ab , where a and b are integers.
grandymaker [24]

Answer: 3/10

Step-by-step explanation:

Given a decimal number 0.3

To Write the rational number 0.3 in the form ab , where a and b are integers, take it to be :

0.3 /1

Multiply the numerator and the denominator by 10

0.3/1 × 10/10 = 3/10

Therefore, a = 3 and b = 10

the rational number 0.3 in the form ab , where a and b are integers is

3/10

5 0
3 years ago
What degree of rotation about the origin will cause the triangle below to map
pychu [463]
Sorry I don’t see any images or diagrams I’m not sure
7 0
3 years ago
Read 2 more answers
Find the vertex of the following quadratic function and graph.<br>y=(2x+3)(x-3) ​
photoshop1234 [79]

Answer:

Its probably a vortex since its a quadratic funtion

8 0
3 years ago
Solving distance problems- <br> 10 points
slega [8]

Answer:

1.  54 and 9/20 km

2. 80 mm

3. 1.142 mi

4.0.83333 cm

Step-by-step explanation:

Do them all  by the butterfly method.

5 0
2 years ago
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