Let s represent the length of one side of this rectangle, and w represent the width of the rectangle (length of one end). Then 2s + 2w = 12 units, and the area is a = s*w. Using the previous equation we can eliminate either s or w. Since we want s, eliminate w: 2w = 12 - 2s, or w = 6 - s.
Then the area of the rect. is a = s(6 - s) = 6s - s^2.
You have not shared the actual area of the rect., but have represented it by "a."
Suppose that the area is given and is 90. Then 90 square units = 6s - s^2, so that -s^2 + 6s - 90 = 0. Using the Pyth. Thm., we find s as follows:
-6 plus or minus sqrt( 6^2 - 4(-1)(-90)
s = ---------------------------------------------------
2(-1)
Unfortunately, s would come out as a pair of complex numbers, which is not possible in a situation where you're calculating lengths.
Please recheck this problem. Was the aera of the rectangle, a, given?
Answer:
A) 0.335; B) 0.343; C) 0.599
Step-by-step explanation:
For part A,
To find the probability that the user has more than one infection per year, we can either add together the probabilities for 2, 3, 4 and 5; or we can add together the probabilities for 0 and 1 and subtract them from 1:
1-(P(X = 0)+P(X = 1))
= 1-(0.343+0.322) = 1-0.665 = 0.335
For part B,
The probability that the user has no infections per year is P(X = 0); this is 0.343.
For part C,
The probability that the user has between 1 and 3 infections (inclusive) per year is
P(1 ≤ X ≤ 3) = 0.322+0.201+0.076 = 0.599
Answer:
0.556
Step-by-step explanation:
such easy math
Hey there!
The answer to your question is: Yes.
When you multiply a whole number by 100, the decimal place moves two places to the right.
<span>(If you feel that my answer has helped you, please consider rating it and giving it a thank you! Also, feel free to make the best answer, the brainliest answer!)
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<span>Thank you! :D</span>
Answer:
still
Step-by-step explanation:
still thinking sorry
