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OlgaM077 [116]
3 years ago
5

Help please will give brainly! Calculate the mean and median below and answer the questions.

Mathematics
1 answer:
Reil [10]3 years ago
6 0
The mean is 77
The median is 90
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One third of the opposite of a number is less than 12.
satela [25.4K]

Answer:

the last one is 13 weeks.

Step-by-step explanation:

7 0
3 years ago
NEED AN A !!!!!!!! MATH HELP!!!!!!!
zepelin [54]
Plug n = 1 into the original formula to get
an = 14 - 9n
a1 = 14 - 9*1
a1 = 5
So the first term is 5

The common difference is -9 as this is the slope in front of the n term. This means each term is going down by 9 each time. Notice the second term is 
an = 14-9n
a2 = 14-9*2
a2 = -4
and so on...

To get the nth term, we subtract 9 from the (n-1)st term
That's the same as saying
a_n = a_{n-1}-9

So all together, the rule is
a_n = a_{n-1} - 9\\ a_1 = 5

Final Answer: Choice B

4 0
3 years ago
Read 2 more answers
Which ordered pair is a soulution of the equation 2x-y=9
Keith_Richards [23]

Answer:

(0,-9)

Step-by-step explanation:

2x-y=9 is firsl equation

x=9+y is second equation

put value of x in 1st equation

2(9+y)-y=9

18 +2y-y=9

18+y=9

y=9-18

y=-9

put value of y in st equation

2x-(-9)=9

2x+9=9

x=0

4 0
3 years ago
How will you find the number of beach chairs
Otrada [13]
I guess you have to count them?
6 0
3 years ago
Simplify : 4x+3−(x−1) =
vovangra [49]

Answer:

3x + 4

Step-by-step explanation:

First we want to remove the parentheses so

4x + 3 - (x-1)

4x + 3 -x +1 The signs changed because of the negative sign that was distributed in the parentheses

now arrange them

4x - x + 3 + 1

Now solve

4x - x = 3x

3 + 1 = 4

The answer is 3x + 4

Hope this helps :)

7 0
3 years ago
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