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Alja [10]
2 years ago
6

The choir sells tickets to its performances for an assortment of prices and gives some tickets away. The choir

Mathematics
1 answer:
galina1969 [7]2 years ago
3 0

The least square regression equation for the information provided is y = 9.72x - 40.776

<u>The general equation of a regression model can be expressed thus</u>:

  • y = bx + c

  • Slope, b = r(Sy/Sx)

Calculating slope, b :

  • b = 0.81(177.6 / 14.8) = 9.72

<u>Plugging the values of b, y and x into the equation in other to calculate c</u> :

696 = 9.72(75.8) + c

696 = 736.776 + c

c = 696 - 736.776

c = - 40.776

Therefore, the linear regression model can be expressed as : y = 9.72x - 40.776

Learn more :brainly.com/question/18405415

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3 over 3 - square root 5
DIA [1.3K]

Answer:

-1.236.

Step-by-step explanation:

3/3 = 1.

√5 = 2.236.

1.000 - 2.236 = -1.236.

the answer is negative because the smaller number is subtracting the larger number..........u just subtract the normal way,( the larger number take away the smaller number), but u should insert a negative sign to the answer.

5 0
3 years ago
Write an equation of the line y-intercept =-11/2
Vadim26 [7]
To write an equation of a line, you need to also know the slope or have a graph
5 0
3 years ago
When performing a horizontal analysis on an income​ statement, the percentage change in any individual item is calculated by div
oksian1 [2.3K]

Answer: <em><u>C. the base period amount.</u></em>

<u><em>Explanation: </em></u>While implementing a horizontal analysis on a given income statement, we compute a percentage change in any individual item by dividing the dollar amount of change from base to current  time period with <u><em>the base period amount.</em></u>

i.e. % Change in Individual item = \frac{Current\ Dollar\ - Base\ Dollar }{Base \ period \ amount}

<u><em>Therefore, the correct option in this case is (c)</em></u>

4 0
3 years ago
Find the volume <br><br> 10m <br> 15m<br> 15m <br> 24m
yarga [219]

Answer:

The volume of this figure = 1800 m ³

Step-by-step explanation:

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=> (15 × 10 × 24 ) /2

=> (3600)/2

=> 1800 m³

6 0
2 years ago
Need help on this question
AnnZ [28]

Answer:

Step-by-step explanation:

arc between cars = 360°/25 = 14.4°

θ = 14.4° × π/180 ≅ 0.2512 radian

r = 150/2 = 75 ft

s = rθ = 75×0.2512 = 18.84 ft

area of circle = πr² = 75²π ≅ 17,662.5 ft²

area of sector = 17,662.5/25 = 706.5 ft²

6 0
2 years ago
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