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Anarel [89]
3 years ago
5

How do you round to the nearest square mile

Mathematics
2 answers:
vladimir2022 [97]3 years ago
8 0
Just like you round to the rearst whole number 4 and below gose down 5 and up gose up
WITCHER [35]3 years ago
3 0
Just round it like the nearest whole
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For safety reasons, 4 different alarm systems were installed in the vault containing the safety deposit boxes at a Beverly Hills
Evgen [1.6K]

Answer:

<em>99.93%</em>

Step-by-step explanation:

<u>Probability of Independent Events</u>

Given the probability of success of each detector is 0.84 independently of the others, their combined success/failure probability can be computed with the product rule.

We can calculate the required probability by using the binomial distribution, but it's easier to calculate the probability of the negated event an subtract from 1.

We want to know the probability that a least one of the 4 systems detects the occurrence of theft. That probability is the sum of the probabilities that one of them, two of them, three of them or all of them succeed. The negated event is that NONE of them actually detects the theft. Being p the individual probability of success, p=0.84. Being q the probability of failure, q=0.16.

The probability that none of the systems detect the theft is

P(0)=q^4=0.16^4=0.00065536

Thus, the probability that at least one of the systems detect the theft is

P(x\geq1)=1-P(0)=1-0.00065536=0.9993

That means a 99.93%

3 0
2 years ago
What does (2+3) +4^2 x (5-3) equal
givi [52]

Answer:

37

Step-by-step explanation

Do what is in the parenthesis first

(5)+4^2x(2)

Exponents next

4^2=16

5+16x2

Multiplication next

16x2=32

You're left with the equation 5+32=37

6 0
3 years ago
PLZZ HELP!!!! ASAP PLZ!!!!<br> XTRA POINTS!!!
schepotkina [342]

Answer:

38.1 cm²

Step-by-step explanation:

area of full circle = π6² = 113.04 cm²

area of 150° segment = (150/360)(113.04) = 47.1 cm²

triangle base = sin 75° x 6 x 2 = 11.59

triangle height = cos 75° x 6 = 1.553

area of triangle = 1/2(11.59)(1.553) = 9 cm²

150° segment - triangle = 47.1 - 9 = 38.1 cm²

3 0
2 years ago
What expression is equivalent to 4x-5-6x+7?
lesantik [10]

Answer:

-2x + 2

Step-by-step explanation:

you didn't post choices but combining like terms you get

-2x + 2

4 0
2 years ago
Read 2 more answers
Osama starts with a population of 1,000 amoebas that increases 30% in size every hour for a number of hours, h. The expression 1
creativ13 [48]
The correct answer is 4090
5 0
2 years ago
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