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BigorU [14]
3 years ago
9

What is the mean absolute deviation of 10 16 18 15 15 10 23

Mathematics
2 answers:
dexar [7]3 years ago
8 0
No, acctually it's 15.2857143
grigory [225]3 years ago
4 0
The answer is 3.1428 (very close to π actually lol)



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Carlos walked to school on 14 of the 20 school days in February. Which value is equivalent to the fraction of the school days in
Leto [7]

Answer: A

Step-by-step explanation: 14/20 = 70%

6 0
3 years ago
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Peter began his trip at 1 on the number line shown above. He moved 3 positive counts on day one and 8 negative counts on day two
Montano1993 [528]

Answer:

-4

Step-by-step explanation:

1 + 3 = 4

4 - 8 = -4

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Which equation does the graph of the systems of equations solve?
mihalych1998 [28]

Answer:

\text{B. }\frac{1}{3}x-3=-x+1

Step-by-step explanation:

Let's start by taking a look at the blue line. The slope of any line that passes through two points is equal to the change in y-values over the change in x-values. We can see that the line passes through points (0, 1) and (1, 0). Assign these points to (x_1,y_1) and (x_2, y_2) (doesn't matter which you assign) and use the slope formula:

m=\frac{y_2-y_1}{x_2-x_1}

Let:

(x_1,y_1)\implies (0,1)\\(x_2,y_2)\implies (1, 0)

The slope is equal to:

m=\frac{0-1}{1-0}=\frac{-1}{1}=-1

Therefore, the slope of this line is -1. In slope-intercept form y=mx+b, m represents slope, so one of the lines must have a term with -x in it, which eliminates answer choices A and D.

For the second line, do the same thing. The red line clearly passes through (0, -3) and (3, -2). Therefore, let:

(x_1,y_1)\implies (0,-3)\\(x_2,y_2)\implies (3, -2)

Using the slope formula:

m=\frac{-2-(-3)}{3-0}=\frac{1}{3}

Thus, the slope of the line is 1/3 and the other line must have a term with \frac{1}{3}x in it, eliminating answer choice C and leaving the answer \boxed{\text{B. }\frac{1}{3}x-3=-x+1}

*You can find the exact equation of each line by using the slope formula as shown and plugging in any point the line passes through into y=mx+b

7 0
3 years ago
Chris has 115$ to spend at a shopping mall . If he decides to spend $42 on clothing and $37 on food how much money will he have
Katena32 [7]

Answer:

$36 left

Step-by-step explanation:

42+37=79

115-79=36

7 0
2 years ago
Line P R and Line Q S are diameters of circle T. What is the measure of Arc S R?
a_sh-v [17]
100 is the correct answer to your question
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