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vredina [299]
3 years ago
7

A city park commission received a donation of playground equipment from a parents' organization. The area of the playground need

s to be 256 square yards for the children to use it safely. The playground will be rectangular.
In a different plan, the sides can be of any length as long as the rectangular area remains 256 square yards. What dimensions of the rectangular area provide the least perimeter of fencing?
Mathematics
1 answer:
mr_godi [17]3 years ago
7 0

Answer:

8w

Step-by-step explanation:

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What is the solution set of the equation x2 +3x-4=6
stealth61 [152]
X^2 + 3x - 4 = 6

x^2 + 3x -10 = 0

(x + 5)(x - 2) =0

x = -5 or x = 2

solution set is {-5,2}
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The probability that a new car battery functions for more than 10,000 miles is .8, the probability that it functions for more th
MAXImum [283]

Answer:

There is a 50% probability that its total life will exceed 20,000 miles.

Step-by-step explanation:

To solve this question, we use the following formula:

P(A|B) = \frac{P(A \cap B)}{P(B)}

In which P(A|B) is the probability of A happening, given that B has happened, P(A \cap B) is the probability of A and B happening, and P(B) is the probability of B happening.

In this problem, we want:

The probability of the total life of the car battery exceeding 20,000 miles, given that it exceeded 10,000 miles.

P(A \cap B) is the probability of exceeding 20,000 and 10,000 miles. It is the same as the probability of exceeding 20,000 miles(If it exceeded 20,000 miles, necessarily it will have exceeded 10,000 miles). So P(A \cap B) = 0.4

P(B) is the probability of exceeding 10,000 miles. So P(B) = 0.8)

So

P(A|B) = \frac{P(A \cap B)}{P(B)} = \frac{0.4}{0.8} = 0.5

There is a 50% probability that its total life will exceed 20,000 miles.

6 0
3 years ago
Please Help me idk this
oksian1 [2.3K]

Answer:

4/7

Step-by-step explanation:

8 0
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Trent wants to buy a ham sandwich the original price is six how much will Trent pay if he buys during the sale
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It depends on what happens to the price of the item during the sale which is not stated in your problem. So if it cost 6 dollars and goes on sale it should be 6 dollars.
6 0
3 years ago
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