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solmaris [256]
2 years ago
5

In a class of 6, there are 2 students who forgot their

Mathematics
1 answer:
Lilit [14]2 years ago
7 0

Answer:

2/6 so it is a 33% chance

Step-by-step explanation:

because 2/6

so 2 divided by 6 is

0.33333...

move the dot 2 places to the right it would be 33%

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Melissa drove her car 200 kilometers in 2.5 hours. At this rate
Bogdan [553]
80, divide 200 by 2.5 and you get 80. Check by multiplying 2.5 and 80, which equals 200
7 0
2 years ago
The average age of instructors at a local college is 55, with a standard deviation of 6 years; the average salary is $37,000 wit
Lerok [7]
To solve for the coefficient of variation you will need this formula:
CV = (SD/X) x 100 
Where: CV = Coefficient of Variance
             X = Mean/average
             SD = Standard Deviation

To determine which one is more variable, just get the coefficient of both and compare.
                   AGE                                            SALARY
   
  CV = (6/55) x 100                             CV = (4,100/37,000) x 100
        = 10.90                                             = 11.08

Based on the results, salary is more variable because 10.90<11.08.
8 0
3 years ago
Use the distributive property to create an equivalent expression to the equation 9(2j + 5j).
frez [133]

Answer:

63 Hope this helps you and everyone else :)

Step-by-step explanation:

First, multiply 9x2 to get 18. Then, multiply 9x5 to get 45. Finally add both numbers to get 63.

3 0
2 years ago
Read 2 more answers
4 0ver 6 + 5 0ver 12
Elis [28]

Answer:

1.083

Step-by-step explanation:

7 0
2 years ago
Find the domain and range of the function represented by the graph
lora16 [44]

Answer:

<em>4(b) , 5(a)</em>

Step-by-step explanation:

(4). <em>(b)</em>  Domain is {0, 1, 2, 3} and Range is { - 3, - 2, - 1, 0}

(5).  <em>(a)</em>  Domain is [ - 4, 2] and Range is [ - 4, 4]

or

domain: - 4 ≤ x ≤ 2 , range: - 4 ≤ y ≤ 4

6 0
2 years ago
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