17 POINTS! I will also give Brainliest!

Mathematics

1 answer:

Karo-lina-s [1.5K]3 years ago

3 0

Answer:

c 39

Step-by-step explanation:

Parameter is the sum of the lengths of all sides of a polygon. The sides of the polygon are PT, TS, SR, RQ, and QP. To get the length of a side, we use the distance formula: Each vertex in the polygon has its corresponding points:\

So to get the length of side PT, we use the distance formula and the vertices of side PT:

The length of PT is

The same procedure is done for the other 4 sides and the following are the answers:

And by adding all the sides, you get the perimeter:

By rounding off, the answer is 39 units.

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i need help with this question aka all the little questions in it. Will give brainliest!! Worth 10 pts but EXTRA if needed as pa

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A: x= 2.5
b: y= 12.9
c: z= 12
d: w= 2.75
e: t= 4
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3 years ago

Read 2 more answers

he amount of time that a customer spends waiting at an airport check-in counter is a random variable with mean 8.3 minutes and s

sp2606 [1]

Complete question:

He amount of time that a customer spends waiting at an airport check-in counter is a random variable with mean 8.3 minutes and standard deviation 1.4 minutes. Suppose that a random sample of n equals 47 customers is observed. Find the probability that the average time waiting in line for these customers is

a) less than 8 minutes

b) between 8 and 9 minutes

c) less than 7.5 minutes

Answer:

a) 0.0708

b) 0.9291

c) 0.0000

Step-by-step explanation:

Given:

n = 47

u = 8.3 mins

s.d = 1.4 mins