What is the equation of the line that passes through the points (–12, –8) and (–17, –16)?
1 answer:
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- Length of the hall = 12m
- wide of the hall (Breadth) = 10m
- Height of the hall = 4m
- Surface area of the walls (Four walls area)
Four walls area of the hall = 2h(l+b)
where,
- h = height
- l = length
- b = breadth
By substituting values according to the formula,
➙ 2 × 4m(12m + 10m)
➙ 8m(22m)
➠ 176m²
It's option B
<h3><u>Hence, The surface area of the walls is (B) 176m²</u></h3><h2 /><h2 />Answer:
The two events are dependent.
the probability that events A and B both occur is:
Step-by-step explanation:
Consider the provided information.
Event A: When a page is randomly selected and ripped from a 2424-page document and destroyed, it is page 2020.
Event B: When a different page is randomly selected and ripped from the document, it is page 1616.
Part(A)
The occurring of one event affects the probability of the other event.
Because if we ripped one page then the probability of ripping second page will going to change as the size of sample space will decrease.
For example: The document has 2424 page, that means size of sample space is 2424. If we ripped another page, the sample size will be 2423. That means event B is depending on event A.
Thus, the two events are dependent.
Part(B)
The probability that events A and B both occur.
If we select a page randomly from 2424-page document, the probability will be: 1/2424
Now we have 2423 pages left in the document as one page is destroyed.
The probability of selecting another page is: 1/2423.
Thus, the probability that events A and B both occur is: