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zzz [600]
3 years ago
9

What type of association does the following scatter plot represent?

Mathematics
2 answers:
Ghella [55]3 years ago
7 0

Answer: Negative linear association.

yarga [219]3 years ago
6 0

Answer:

Negative linear association.

Step-by-step explanation:

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What is the solution to the equation 9 –3x ≈ 7 ?
sveticcg [70]

x=0.295 this is the correct answer


3 0
3 years ago
A: 2.86<br> B: 2.75<br> C: 2.95<br> D: 1.17
zhuklara [117]
No doubt your text advises how to arrive at a best-fit exponential model. The two graphing calculators I used gave different answers. The first one modeled the function as
y = 398.494(0.50526)^x
For x = 7, this model gives y = 3.35

The second calculator, a TI-84 work-alike, modeled the function as
y = 422.110(0.48896)^x
For x=7, this model gives y = 2.82

Using the first and last data points only, the model is
y = 200(0.06)^((x-1)/4)
For x=7, this model gives y = 2.94

Using yet another calculator to do linear regression on the log of y, the function is modeled by
y = 10^(2.62543-0.31073x)
which is another way to write the function produced by the TI-84 work-alike.

So, the technology I used gives a couple of reasons to choose
  A. 2.86
and a couple of reasons to choose
  C. 2.95

Of the models shown here, the ones with the lowest mean absolute deviation and the least squared error were the ones that produced the highest values of y for x=7, suggesting 2.95 is the best choice.


It would be advisable to use the procedure described in your text.

5 0
3 years ago
Read 2 more answers
Amanda drove 355 miles using 17 gallons of gas. At this rate how many gallons of gas would she need to drive 284 miles?
Allushta [10]
355 miles/17 gallons ≈ 20.88 miles per gallon
284 miles ÷20.88= 13.6 gallons needed
7 0
3 years ago
Find the area of a rectangle with a length of x + 2 and a width of 3x.
statuscvo [17]
A = l x w
A = (x+2) ( 3x)
A = 3x^2 + 6x

answer
Area of a rectangle = 3x^2 + 6x
3 0
3 years ago
Read 2 more answers
Solve for the unknown variable: -8m - 9 = 39
Lemur [1.5K]

Answer:

m =-6

Step-by-step explanation:

To solve for the unknown variable, m, we have to get m by itself. Perform the opposite of what is being done to the equation.

-8m-9=39

9 is being subtracted from-8m, so add 9 to both sides. Addition is the opposite of subtraction.

-8m-9+9=39+9

-8m=39+9

-8m=48

-8 and m are being multiplied. Divide both sides by -8, because division is the opposite of multiplication

-8m/-8=48/-8

m=48/-8

m= -6

6 0
3 years ago
Read 2 more answers
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