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zepelin [54]
3 years ago
10

What are qualities of a square?

Mathematics
2 answers:
nevsk [136]3 years ago
5 0
Congruent, 90 degree angles, opposite sides are parallel, and meeting sides (for example top and left side) are perpendicular
Ilia_Sergeevich [38]3 years ago
3 0
All sides are equivalent and it has right angles
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Can you solve this?<br> Solve this with a EXPLANATION to get a Brainliest! <br> Good luck! :D
tamaranim1 [39]
I believe that the answer is D sorry if not though
3 0
2 years ago
Grasshoppers are distributed at random in a large field according to a Poisson process with parameter a 5 2 per square yard. How
HACTEHA [7]

In this question, the Poisson distribution is used.

Poisson distribution:

In a Poisson distribution, the probability that X represents the number of successes of a random variable is given by the following formula:

P(X = x) = \frac{e^{-\mu}*\mu^{x}}{(x)!}

In which

x is the number of sucesses

e = 2.71828 is the Euler number

\mu is the mean in the given interval.

Parameter of 5.2 per square yard:

This means that \mu = 5.2r, in which r is the radius.

How large should the radius R of a circular sampling region be taken so that the probability of finding at least one in the region equals 0.99?

We want:

P(X \geq 1) = 1 - P(X = 0) = 0.99

Thus:

P(X = 0) = 1 - 0.99 = 0.01

We have that:

P(X = x) = \frac{e^{-\mu}*\mu^{x}}{(x)!}

P(X = 0) = \frac{e^{-5.2r}*(5.2r)^{0}}{(0)!} = e^{-5.2r}

Then

e^{-5.2r} = 0.01

\ln{e^{-5.2r}} = \ln{0.01}

-5.2r = \ln{0.01}

r = -\frac{\ln{0.01}}{5.2}

r = 0.89

Thus, the radius should be of at least 0.89.

Another example of a Poisson distribution is found at brainly.com/question/24098004

3 0
3 years ago
The circle shown has a radius of 4 cm.
Vesna [10]

Answer:

8 cm

Step-by-step explanation:

4+4=8 To get the diameter, double the radius and add them together.

7 0
2 years ago
Morgan knows that 3 gallons of water weigh 25 pounds.<br> How much do 10 gallons of water weigh?
olga_2 [115]
The full answer would be 83.454 but you can just say 83 pounds. Both are right
8 0
3 years ago
At birth, one puppy weighs 15/16 pounds. A second puppy weighs 1 and 1/8 pounds. How much more did the second puppy weigh?
zvonat [6]

Answer:

3/16 pounds more.

Step-by-step explanation:

It is 1 1/8 - 15/16

= 9/8 - 15/16

= 18/16 - 15/16

=  3/16.

5 0
1 year ago
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