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Grace [21]
3 years ago
7

Whats 2+1*7 nnebfbwjqj

Mathematics
2 answers:
Svetlanka [38]3 years ago
6 0
2+1=3*7=21 hope I helped 
nydimaria [60]3 years ago
6 0
Answer is 9

<span>2+1*7
= 2 + 7
=9
.....................
P.S. PEMDAS</span>
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Identify all the sets to which the number belongs. Choose from Rational Number, Irrational number, whole number, and integer. 1.
Allushta [10]

Answer:

The number 1.256 is  A)rational number.

Step-by-step explanation:

  • A whole number is a non-negative number without any digits behind the decimal.
  • An integer is a set of negative and non negative numbers that don't have any digits behind the decimal.
  • A number that can be shown as a fraction of two whole numbers is a rational number.And the numbers that are not rational are irrational numbers.
  • Here, 1.256 is a fraction of whole numbers 1256 and 1000 , so it is a rational no.

                     \frac{1256}{1000} =1.256

  • But since it has digits behind the decimal it is neither a whole number, or an integer.

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3 years ago
Use the line of beat fit to determine the estimated life expectancy of a person born in 1976
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3 years ago
For an independent-measures research study (i.e., independent measures t Test), the data show an 8-point difference between the
zloy xaker [14]

Answer:

C. 2

Step-by-step explanation:

Cohen's d is a parameter used to express the standardised difference between two means. It is defined as the difference between the means divided by the pooled standard deviation.

In this case, the difference between both means (M2-M1) is 8. As for the pooled standard deviation, simply take the square root of the given pooled variance:

S=\sqrt{S^2}\\S=\sqrt{16} \\S= 4

Therefore, the value of Cohen's d (d) is:

d=\frac{M_{2} -M_{1}}{S} \\d=\frac{8}{4}\\d=2

7 0
3 years ago
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Aneli [31]
3). 9 10/11
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3 years ago
Charlie is cleaning her closet. She
Soloha48 [4]

Answer:

9 shirts

Step-by-step explanation:

12 - 6 = 6

6/2 = 3

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8 0
3 years ago
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