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Mekhanik [1.2K]
3 years ago
13

Evaluate −30 ÷ −6. A. 5 B. −5 C. 6 D.−6

Mathematics
2 answers:
Strike441 [17]3 years ago
5 0
The answer is A. 5

Explanation:

Here is an Integer Rule Cheat Sheet for you to use (I had to use the same one too).

Andrej [43]3 years ago
4 0

Answer:

5

Step-by-step explanation:

First, you can take out -5 and -6 because when dividing a negative by another negative, the quotient will be positive. And 30/6 is equal to 5

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What is 4 times 12 (48) gets a brainliest. for fun! :D
Genrish500 [490]

Answer:

48

Step-by-step explanation:

4 times 12 can be easily written as 12 4 times!

12 + 12 + 12 + 12

12 + 12 is 24; 24 + 12 is 36; 36 + 12 is 48

Fun times :)

4 0
4 years ago
Read 2 more answers
What is 25% of 3.7?
telo118 [61]
It should be 0.925, 1/4*3.7=0.925 hope this helps!
7 0
3 years ago
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Unknown to a medical researcher, 6 out of 25 patients have a heart problem that will result in death if they receive the test dr
Fiesta28 [93]

Using the hypergeometric distribution, it is found that there is a 0.0002 = 0.02% probability that exactly 6 patients will die.

<h3>What is the hypergeometric distribution formula?</h3>

The formula is:

P(X = x) = h(x,N,n,k) = \frac{C_{k,x}C_{N-k,n-x}}{C_{N,n}}

C_{n,x} = \frac{n!}{x!(n-x)!}

The parameters are:

  • x is the number of successes.
  • N is the size of the population.
  • n is the size of the sample.
  • k is the total number of desired outcomes.

The values of the parameters for this problem are:

N = 25, k = 6, n = 8.

The probability that exactly 6 patients will die is P(X = 6), hence:

P(X = x) = h(x,N,n,k) = \frac{C_{k,x}C_{N-k,n-x}}{C_{N,n}}

P(X = 6) = h(6,25,8,6) = \frac{C_{6,6}C_{19,2}}{C_{25,8}} = 0.0002

0.0002 = 0.02% probability that exactly 6 patients will die.

More can be learned about the hypergeometric distribution at brainly.com/question/24826394

#SPJ1

8 0
2 years ago
Jase had 3 feet of tape. He cut the tape into 5 equal pieces. How long was each piece?
miss Akunina [59]
The answer is 3/5

your welcome :)


3 0
4 years ago
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the water machine at local grocery store fills a jug with 3.7 litters of water.If you fill 4 jugs how many litters of water is t
Ganezh [65]
3.7 multiplied by 4=14.8litres
8 0
3 years ago
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