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Serhud [2]
3 years ago
6

What is 2 plus 2jdjbsksnsksnjsjzjz

Mathematics
2 answers:
Nookie1986 [14]3 years ago
8 0
<span>4jdjbsksnsksnjsjzjz is your answer :)))))))))))))</span>
3241004551 [841]3 years ago
8 0

Fore-3152-9u5320ur902057320urqwashiaiOX`H09C4H12 NH8RHC389QRH3HC9H8HC29TN9CH9CHHC398CT93CH9H OOF is the correctest awesomest anser ;==23-=5325=2

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solong [7]

Answer:

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Step-by-step explanation:

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2 years ago
Julia is saving money for the down payment on a car. She plans to save for one year. Her parents have offered to contribute $50
denis23 [38]

Answer:

12x+600=2700

$175

Step-by-step explanation:

Let x represent money saved by her in one month.

So money saved by her in one year (12 months) would be 12x.

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12x+600=2700\\12x=2700-600\\12x=2100\\x=\frac{2100}{12}\\x=175

Therefore, she needs to save $175 per month.

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2 years ago
Help plz will mark brainliest
sergiy2304 [10]

Answer:

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Step-by-step explanation:

4 times blue parakeets is 4b

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7 0
3 years ago
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HELP MATH QUESTIONS!! WILL MARK CORRECT ANSWERS BRAINLIEST!! 40 POINTS!! DUE TODAY ASAP!!
yuradex [85]

Answer:

  1. f(x) = 34.59 +3.74x
  2. 0.96
  3. very strong
  4. 8.93

Step-by-step explanation:

1. The selection of answers offers a choice of positive or negative slope, a slope of about 4 or about 35, and y-intercepts from the same set of values.

If you consider a couple of points (at the ends of the domain is usually a good choice), you see the slope is about 4 and the y-intercept is around 30.

For example, the points (5, 50) and (15, 91) have a slope of (91-50)/(15-5) = 4.1 so will give rise to the equation ...

  y -50 = 4.1(x -5)

Filling in x=0 gives y = 50 -20.5 = 29.5

So, the nearest of the offered choices is ...

  f(x) = 34.59 +3.74x

Please note that no calculator is involved. We simply estimated the parameters of the regression line based on a couple of the data points. This estimate is sufficient to allow us to find the correct answer choice.

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2. If we look at a few other data points, we see that they have a generally upward trend that matches the above equation pretty well. That suggests a very high value of correlation, so the appropriate choices would be 0.93 or 0.96. Of course, the correlation is positive, matching the sign of the slope of the regression line. (Since the data points do not fall exactly on a line, the correlation is not 1.00. My assessment is they fall close enough to the line to rate a correlation of .96 instead of .93.)

At this point, the output of your calculator can confirm that the correlation coefficient is closer to 0.96. Mine says r = 0.9624.

  r = 0.96

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3. We have already determined by examining the data points that the correlation is "very strong." The correlation coefficient of 0.96 confirms this.

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4. Using the equation of part 1, we can find the number of study hours:

  68 = 34.59 +3.74x

  (68 -34.59)/3.74 = x ≈ 8.933

We expect a score of 68 is associated with about 8.93 study hours.

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Please note that we have used very little calculation to determine the answers to this question. The only requirement is a general understanding of what linear regression and correlation coefficients mean.

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3 years ago
Any got an answer for this math question?
Kamila [148]

Answer:the answer  this is negative 3

Step-by-step explanation:

3 0
3 years ago
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