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damaskus [11]
3 years ago
6

The probability of drawing an even number or number greater than 4 containing the numbers 1-10, inclusive.

Mathematics
1 answer:
s344n2d4d5 [400]3 years ago
7 0
Key word here, "or"...so you would add the unique probabilities of either together...

P(e)=1/2, P(>4)=3/10  (the numerator is three rather than five because 2 and 4 were already accounted for in P(e)...

P=5/10+3/10=8/10=4/5  (80%)

P=0.8
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The profit of that day is (C) P = $3,000.

<h3>What is profit?</h3>
  • A profit is a difference between the revenue generated by an economic entity's outputs and the opportunity costs of its inputs.
  • Total revenue minus total cost, including both explicit and implicit costs, equals total revenue.
  • Unlike accounting profit, it only refers to the explicit costs that appear on a company's financial statements.
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To find the profit of that day:


Given:

  • P = 500x − 20x², where 'x' is the number of machines per day produced.
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By substituting x = 10 in the above equation, we get:

  • P = 500 × 10 - 20 × 10²
  • P = 5000 - 2000
  • P = 3,000/

Therefore, the profit of that day is (C) P = $3,000.

Know more about profits here:

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2 years ago
A man walks iinto a store with 25.50 and walks out with 5.25 how much did he spend?
san4es73 [151]
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<u>Step-by-step explanation:</u>

Here we have , an expression x2 + 4x + c or , x^2 + 4x + c . We need to find  the value of c that makes the expression a perfect square binomial. Let's find out:

We have ,  x^2 + 4x + c

⇒ x^2+4x+c

⇒ x^2+2(2)x+c

Now , we know that (a+b)^2=a^2+2(a)(b)+b^2

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⇒  x^2+2(2)x+2^2

⇒  (x+2)^2

Therefore , the value of c that makes the expression a perfect square binomial is c=4 .

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