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2 years ago

What is the average group numbers for 85,92,84,85,96,95

1 answer:

5 0

To find the average, add all numbers together and divide by the amount of numbers there are

(85 + 92 + 84 + 85 + 96 + 95)/6 = 537/6 = 89.5

you're answer is 89.5 as average

hope this helps

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I just need help with 2 3 and 4

Akimi4 [234]

2)Perimeter=28 rounded to 30. Area=48 rounded up to 50.

5 0

2 years ago

What is 7/1 dividend by 14/3

katrin2010 [14]

7/1 x 3/14 = 21/14 = 3/2 = 1 1/2

The answer is 1 1/12 or 1.5, but I recommend the fraction way since the problem was in fractions!

4 0

3 years ago

Read 2 more answers

If you flip a fair coin 7 times, what is the probability that you will get exactly 4 tails?

andre [41]

Probability that you will get exactly 4 tails, if you flip a fair coin 7 times is: $\frac{35}{128}$

Step-by-step explanation:

We need to find the probability that you will get exactly 4 tails, if you flip a fair coin 7 times.

This is the combination question.

The total combinations will be: 2^7=128

Now, finding number of ways we can get exactly 4 tiles:

We will use the formula:

$^nC_k=\frac{n!}{k!(n-k)!}$

in our given question, n= 7, k= 4

Putting values:

$^nC_k=\frac{n!}{k!(n-k)!}\\^7C_4=\frac{7!}{4!*3!}\\ ^7C_4=\frac{7*6*5*4!}{4!*3!}\\ ^7C_4=\frac{7*6*5}{6}\\ ^7C_4=35$

So, Probability that you will get exactly 4 tails, if you flip a fair coin 7 times is: $\frac{35}{128}$

Keywords: Probability

Learn more about Probability at:

#learnwithBrainly

7 0

2 years ago

Two-thirds of a number, decreased by thirty-six, is at most twenty-two. Find the number.

Nataliya [291]

Answer:

87 is the number

Step-by-step explanation:

6 0

2 years ago

Please help meee! :< An author receives $0.60 for each hardcover book or paperback book that is sold. There were x hardcover

rusak2 [61]

D) 47,000

0.60 (<em>x</em>+38,000)= 51,000
(0.60<em>x</em>)+22,800= 51,000
51,000-22,800= 28,200
28,200÷0.60= 47,000
0.06 (47,000+38,000)= 51,000
28,200+22,800= 51,000

5 0

3 years ago