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Sloan [31]
3 years ago
6

Answer choices: 0 1 -1 -2 ( chose this and got it wrong so it's not this)

Mathematics
2 answers:
Hitman42 [59]3 years ago
8 0
Average rate of change =(y2 - y1)/(x2 - x1)

For x1=-2, y1 = -1.
For x2=0, y2=-1.

Average rate of change =(-1 + 1)/(0 +1) =0

Answer is 0. 
If you connect these 2 points, you will see that line is horizontal, slope is 0, so average rate of change is 0.
Dmitry [639]3 years ago
5 0
Use the formula for average rate of change over an interval of two points:

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

We have two points: (-2, -1) and (0, -1). Plug the values into the formula:

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

The average rate of change over the interval [-2,0] is 0.
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Help!!! Please please I don’t know this at all
Lesechka [4]

Answer:

X+y=180, Y=Z, X+Z=180

Step-by-step explanation:

Hope this helps, i remember doing this lesson.

3 0
3 years ago
(4x+2)=102+44 solve for x
sergiy2304 [10]
<h3>Solution:</h3>
  • (4x + 2) = 102 + 44
  • or, 4x = 102 + 44 - 2
  • or, 4x = 144
  • or, x = 144 ÷ 4
  • or, x = 36
<h3>Answer:</h3>

x = 36

8 0
2 years ago
Read 2 more answers
Does 6 3/8 - 4 3/4 = 4 3/4
UNO [17]

Answer:

no it doesnt

Step-by-step explanation:

4 0
2 years ago
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Assume the upper arm length of males over 20 years old in the United States is approximately Normal with mean 39.2 centimeters (
MAVERICK [17]

Answer:

The interval [32.6 cm, 45.8 cm]

Step-by-step explanation:

According with the <em>68–95–99.7 rule for the Normal distribution:</em>  If \large \bar x  is the mean of the distribution and s the standard deviation, around 68% of the data must fall in the interval

\large [\bar x - s, \bar x +s]

around 95% of the data must fall in the interval

\large [\bar x -2s, \bar x +2s] 

around 99.7% of the data must fall in the interval

\large [\bar x -3s, \bar x +3s]

So, the range of lengths that covers almost all the data (99.7%) is the interval

[39.2 - 3*2.2, 39.2 + 3*2.2] = [32.6, 45.8]

<em>This means that if we measure the upper arm length of a male over 20 years old in the United States, the probability that the length is between 32.6 cm and 45.8 cm is 99.7%</em>

3 0
3 years ago
How do you solve 2y-7y=5
scZoUnD [109]

Answer:

y=-1

Step-by-step explanation:

1. Combine like terms

2y-7y = -5y

-5y=5

2. Divide by -5 and the answer is y=-1

6 0
3 years ago
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