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qwelly [4]
3 years ago
10

Which study best exemplifies descriptive statistics?

Mathematics
1 answer:
irina1246 [14]3 years ago
8 0
C . A study that relates the relationship
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X-3=2x-3-x<br> Please solve with answer and how you got the answer
Fofino [41]

Answer:

3x-3

Step-by-step explanation:

You have to combine like terms. <em>x</em> and 2<em>x</em> have the same variable, so this equals 3x, and then you subtract 3 so:

x-3=2x-3-x

    =3x-3

3 0
3 years ago
How does the value of 2 dimes compare to the value of2 dollars
Lyrx [107]
2 dimes = $0.20
2 dollars = $2.00

20 cents = 10% of 2 dollars
5 0
3 years ago
Indica las expresiones que determinan conjuntos. Explica tu respuesta
AleksAgata [21]

Ching chong: wang kong

4 0
3 years ago
Estimate the line of best fit using two points on the line.(2,64),(6,32)
dem82 [27]

Answer:

estimate the line of best fit using two points on the line.(2,64),(6,32)

Step-by-step explanation:


7 0
3 years ago
Read 2 more answers
How do i calculate? All the way to s_75. It’s so long
mina [271]

Answer:

  -675

Step-by-step explanation:

The sum can be broken into parts that you know. Here, one of those parts is the sum of numbers 1 to n. That sum is given by n(n+1)/2.

\displaystyle S_{75}=\sum\limits_{n=1}^{75}{(67-2n)}=\sum\limits_{n=1}^{75}{67}-2\sum\limits_{n=1}^{75}{n}\\\\=75\cdot 67-2\dfrac{75(75+1)}{2}=75(67-76)\\\\=\bf{-675}

__

Another way to do this is to realize the sequence of numbers is an arithmetic sequence with a first term of 65 and a last term of 67-2·75 = -83.

The sum of an arithmetic sequence is found by multiplying the number of terms by their average value. Their average value is the average of the first and last terms.

The average value of those 75 terms is (65 +(-83))/2 = -9, so their sum is ...

  75(-9) = -675

7 0
3 years ago
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