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Olegator [25]
3 years ago
13

Given the parent function f(x) = 3x, which graph shows f(x) + 2?

Mathematics
1 answer:
blsea [12.9K]3 years ago
6 0
The one that has positive 2 as the y intercept
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A student group claims that first-year students at a university must study 2.5 hours (150 minutes) per night during the school w
AlekseyPX

Answer:

We have strong evidence that on average, students study less than 150 minutes per night during the school week

Step-by-step explanation:

Normal distribution:

mean     μ₀ = 150

Sample:

Sample size    n = 272

Sample mean   x = 141

Sample standard deviation  s  = 66

The standard error of the sample mean  SE = σ /√n

SE = 66/√272

SE = 66 / 16,49

SE = 4

Test Hypothesis:

Null hypothesis                            H₀             x  =   μ₀

Alternative hypothesis                Hₐ            x <    μ₀

z(s)  test statistics is:

z(s)  =  ( x  -  μ₀ ) / s/√n

z(s) = - 9 /4

z(s) =  -  2,25

p-value  for that z(s)      p-value  = 0,0122

Then for α =  0,05 p-value < 0,05

We are in the rejection region we need to reject H₀

7 0
3 years ago
Need help look at picture. Will Mark Brainliest and only answer if your 100% sure.​
lina2011 [118]

Answer: 207

Step-by-step explanation:

4 0
3 years ago
Simplify each expression. <br> 1) 7(3v - 3) <br> 2) -3(-n + 4)<br> 3) -6(-8x - 3) <br> 4) -(3b - 9)
Reil [10]

Answer:

Step-by-step explanation:

1 21v - 21

2 3n - 12

3 48x + 18

4 -3b + 9

3 0
2 years ago
Read 2 more answers
Add 4.136+29.95 and show all your work!<br><br> *please don't go on the internet and copy and paste*
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Answer:

34.086

Step-by-step explanation:

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3 years ago
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Linda’s container of cranberry juice holds 200 millimeters. Harry’s container holds 7/8 as much juice. How many millimeters of c
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The answer is 375..........
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