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svp [43]
3 years ago
6

A quadrilateral has three angles which measure 23.5 degrees, 99 degree, and 100.4 degrees. What is the measure of the fourth ang

le?
Mathematics
2 answers:
Salsk061 [2.6K]3 years ago
7 0
Quadrilaterals always have a total of 360°.  Because of this fact, we can find the 4th angle by subtracting 23.5, 99, and 100.4 from 360.  This is equal to 360 - (23.5 + 99 + 100.4) = 137.1.  So, the fourth angle is 137.1°.


Schach [20]3 years ago
3 0
I think it would be 137.1, due to the total being 360. Just subtract.
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notsponge [240]

The question given is incomplete, I googled and got the complete question as below:

You are a waterman daily plying the waters of Chesapeake Bay for blue crabs (Callinectes sapidus), the best-tasting crustacean in the world. Crab populations and commercial catch rates are highly variable, but the fishery is under constant pressure from over-fishing, habitat destruction, and pollution. These days, you tend to pull crab pots containing an average of 2.4 crabs per pot. Given that you are economically challenged as most commercial fishermen are, and have an expensive boat to pay off, you’re always interested in projecting your income for the day. At the end of one day, you calculate that you’ll need 7 legal-sized crabs in your last pot in order to break even for the day. Use these data to address the following questions. Show your work.

a. What is the probability that your last pot will have the necessary 7 crabs?

b. What is the probability that your last pot will be empty?

Answer:

a. Probability = 0.0083

b. Probability = 0.0907

Step-by-step explanation:

This is Poisson distribution with parameter λ=2.4

a)

The probability that your last pot will have the necessary 7 crabs is calculated below:

P(X=7)=  {e-2.4*2.47/7!} = 0.0083

b)

The probability that your last pot will be empty is calculated as:

P(X=0)=  {e-2.4*2.40/0!} = 0.0907

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3 years ago
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posledela

Answer:

2x + y = 7

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Step-by-step explanation:

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Step-by-step explanation:

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