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blagie [28]
2 years ago
12

Find the Mean of the following data: 6, 8, 7, 3,

Mathematics
1 answer:
madreJ [45]2 years ago
3 0

m = 6

Step-by-step explanation:

The mean is the average of the numbers. It is easy to calculate: add up all the numbers, then divide by how many numbers there are. In other words it is the sum divided by the count.

<em><u>m = sum of the number/number of terms</u></em>

m = 6 + 8 + 7 + 3/4

= 24/4

m = 6

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A team of 17 softball players need to choose three players to refill the water cooler. How many different ways are there to sele
KATRIN_1 [288]
<h3>Answer: 680 different combinations</h3>

=======================================================

Explanation:

If order mattered, then we'd have 17*16*15 = 4080 different permutations. Notice how I started with 17 and counted down 1 at a a time until I had 3 slots to fill. We count down by 1 because each time we pick someone, we can't pick them again.

So we have 4080 different ways to pick 3 people if order mattered. But again order doesn't matter. All that counts is the group itself rather than the individual or how they rank. There are 3*2*1 = 6 ways to order any group of three people, which means there are 4080/6 = 680 different combinations possible.

An alternative is to use the nCr formula with n = 17 and r = 3. That formula is

_n C _r = \frac{n!}{r!*(n-r)!}

where the exclamation marks indicate factorials

5 0
3 years ago
What is the value of b in ax - by = -5
m_a_m_a [10]

Answer:

D,

Step-by-step explanation:

the is the value of b in ax -by =-5

D , cant isolate b

5 0
2 years ago
Is the given pair a solution <br>y=-x -2; (2,-4)
nignag [31]
Yes
because
when x =2 then y = -(2) - 2 = -4

so (2,-4) is a solution

hope it helps
6 0
3 years ago
⚠️PIC INCLUDED⚠️ I MARK BRAINLIST PLEASE HELP I AM BEING TIMED The table represents an exponential function.
Rus_ich [418]

Answer:

We know that that x represents (1)

2/5 is the answer because if you add, multiply them together you will get 2/5=40/100%

Hope this helps

Mark As Brainllest

7 0
3 years ago
17. Solve the equation using square roots. x^2 + 5 = 41 a.+-36 b.no real number solutions c.6 d.+-6
Kipish [7]
Solve your equation step-by-step.

x^2+5=41

Subtract 5 from both sides.

x^2+5−5=41−5

x^2=36

Take square root.

x=±√36

x=6

or

x=−6

So your answer suppose to be C and D.
But if you were to put only one answer in the answering box, then just say C)


5 0
3 years ago
Read 2 more answers
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