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vampirchik [111]
3 years ago
15

Which equation best represents a trend line for the scatter plot?

Mathematics
1 answer:
AveGali [126]3 years ago
5 0
The first one, y=-3/7x+4
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a group of friends are riding bicycles. She takes 4 hours to ride 25.6 kilometers whats there speed?
Dvinal [7]

Answer:

6.4 Kilometers Per Hour

Step-by-step explanation:

To find how many kilometers per hour divide the kilometers traveled by the amount of hours they have rode.

25.6/4=6.4

5 0
3 years ago
Which of these is the area of a sector of a circle with r = 18”, given that its arc length is 6π?
Igoryamba
22/7*18^2*6π/2π*18 = 169.65
4 0
3 years ago
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In a survey, 600 adults in a certain country were asked how many hours they worked in the
Snowcat [4.5K]

Answer:

C. Correct

Step-by-step explanation:

The interpretation of a confidence interval of x% is that we are x% that this interval contains the mean of the population.

So, for example, the interpretation of a confidence interval of 95% is that we are 95% that this interval contains the mean of the population.

In this problem, we have that:

Based on the results, a 95% confidence interval for mean number of hours worked was lower bound: 41.5 and upper bound: 45.6.

Also, the following affiration:

(A) There is a 95% chance the mean number of hours worked by adults in this country in the previous week was between 41.5 hours and 45.6 hours.

This is correct

So, the answer is:

C. Correct

5 0
3 years ago
Which of the following statements are true of the discriminant? The discriminant is b2 – 4ac in the quadratic formula. The discr
steposvetlana [31]
A is true If im not mistaking 
7 0
3 years ago
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fladli sells televisions. He earns a fixed amount for each television and an additional $ 20 if the buyer gets an extended warra
ivanzaharov [21]

Answer: $80


Step-by-step explanation:

Given: The amount earned by Fadil on selling 14 televisions= $1400

Therefore, the amount he earned on selling 1 television=\frac{1400}{14}=\$100

Since, he sold televisions with extended warranty and he earns $20 additional for it.

Then, the fixed amount Fadil earns for each​ television=\$100-\$20=\$80

Hence, Fadil earns $80 as the fixed amount for each televison.

4 0
3 years ago
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