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liq [111]
3 years ago
13

How do I find the period on a graph? Trig

Mathematics
1 answer:
lord [1]3 years ago
7 0
Sorry don't know.
What are you trying to figure out anyway? There isnt a graph or anything.

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Pharmex is a chain of drugstores that operate around the country. To see how effective its advertising and other promotional act
kakasveta [241]

Answer:

Positive relationship exists

Linear trend line

R² = 0.3522

Step-by-step explanation:

Given the data :

Promote (X) :

77

110

110

93

90

103

95

103

89

97

100

96

88

109

109

Sales (Y) :

85

103

102

109

85

112

96

93

97

92

94

81

92

108

103

A.) From the resulting plot, tbe slope of the graph is positive, hence, we can conclude that there exist a positive relationship between the variables 'promote' and 'sale'.

The linear trend line gives the best fit for the data with a correlation Coefficient, R value of 0.5935

The R² value is 0.3522. R² is the Coefficient of determination which gives the percentage of explained variation. For this data, about 35% of variation in sales is given by the best fit line.

6 0
2 years ago
To calculate 587 ÷ 1,000, how many decimal points to the left should the decimal in 587 move?
VARVARA [1.3K]

Answer:

3 decimal points

Step-by-step explanation:

The trick here is to count the zeros.

8 0
2 years ago
If m∠A=45 and AB=8, find AC
tiny-mole [99]

Answer:

m∠A=45 and AB=8, find AC

8 0
3 years ago
There are 8 rows in a theater with 12 seats in each row in the middle of the first three rows 4 seats are broken
poizon [28]
There are 84 seats left
7 0
3 years ago
Write an equivalent expression for 7(2x - 3y + 6) by modeling and by using the distributive property.
alexandr402 [8]

14x-21y+42 is the answer to this question.

3 0
3 years ago
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