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3 years ago

Look at pic 10 pts will mark brainilest WILL HELP OUT W 3 QUESTIONS

Mathematics

2 answers:

aev [14]3 years ago

4 0

Answer: B.

Step-by-step explanation: A. 45 is not less than or equal to 18. I got 45 because 2 negatives make a positive and I got 18 because it was in absolute value bars making it positive. B. 6 is greater than -3. I got 6 because it is in an absolute value bar. C. 32 is not less 28. I used the same steps I used on the others. D. 9 is not greater than or equal to 10.

andrew11 [14]3 years ago

3 0

Answer:

the answer is b because -(-6) becomes 6 and 6 is greater than 3

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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:

99.93%

Step-by-step explanation:

Probability of Independent Events

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

3 years ago

X+2= √2 solve for x will give brainliest

Bezzdna [24]

Answer:

Our answer is $x=-2+\sqrt{2}$ .

Step-by-step explanation:

To solve for x, we need to isolate the variable. We can do so by subtracting 2 to both sides.

$x+2=\sqrt{2} \\x+2-2=-2+\sqrt{2} \\\\x=-2+\sqrt{2} \\$

Our answer is $x=-2+\sqrt{2}$ .

To find the decimal, calculate with a calculator.

7 0

4 years ago

Solve for x. 5 1/4 + x + 6 5/6 + 4 2/3 = 22 1/6 A. 5 5/12 B. 6 1/2 C. 6 7/12 D. 7 1/2

Vladimir79 [104]

5 1/4 + x + 6 5/6 + 4 2/3 = 22 1/6

5 3/12 + x + 6 10/12 + 4 8/12 = 22 2/12
15 21/12 + x = 22 2/13
16 9/12 + x = 22 2/12
x = 22 2/12 - 16 9/12
x = 21 14/12 - 16 9/12
x = 5 5/12

answer is A. 5 5/12

8 0

4 years ago

A food truck sells latin american street tacos. The graph shows the number of corn tortillas needed for different numbers of the

Vesna [10]

8 tortillas as per the graph
Follow the X line to the right for 4 orders, now go up the Y line to the number of corn tortillas needed indicated by the dot

3 0

2 years ago

Read 2 more answers

The cost for a ticket at the movie theater is $13. Students get a 9% discount taken off the price of a ticket. How much does the

laila [671]

$11.83 b/c 13.00 x 0.09 = 1.17 13 - 1.17= 11.83

6 0

3 years ago