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Novay_Z [31]
2 years ago
6

Giving brainlist to whoever answers this question

Mathematics
1 answer:
Aleonysh [2.5K]2 years ago
3 0

Answer:

44

Step-by-step explanation:

6x +22 + 7x + 16 = 90

13x +38 =90

13x = 52

x = 4

7 x 4 +16 = 44

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Here is an inequality for the graph that one of your
Gre4nikov [31]

Answer:

44

Step-by-step explanation:

7 0
3 years ago
John was swimming for hour and a half hours at a speed of 2 miles per hour. How far did he swim?
alisha [4.7K]

Answer: 1 mile.

Explanation: 1/2 of an hour is 1 mile because the speed was 2 miles an hour so if you do half of that it is 1 mile.

6 0
3 years ago
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www.carnegielearning.com if someone can do my assignments on here . ill pay you for the work you do using paypal.
vichka [17]

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4 0
3 years ago
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
3 years ago
If cost of 15 eggs is ? 75, then find out the cost of 4 dozens eggs.
dedylja [7]

Answer:

Each egg is $5 so 4 dozen(48) is $240

Step-by-step explanation:

the way to do this is 75/15= 5

and then you multiply 12 x 4 to get 48 eggs

and then multiply 48 x 5 to get $240

3 0
3 years ago
Read 2 more answers
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