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4 years ago

14

What is the name for regression

2 answers:

Anika [276]4 years ago

6 0

Answer:

Regression is a statistical method used in finance, investing, and other disciplines that attempts to determine the strength and character of the relationship between one dependent variable (usually denoted by Y) and a series of other variables known as independent variables.

vampirchik [111]4 years ago

5 0

Answer: Regression takes a group of random variables, thought to be predicting Y, and tries to find a mathematical relationship between them.

Step-by-step explanation:

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3 years ago

Calculate 30% of 500 kg

son4ous [18]

150 kilograms is your answer

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3 years ago

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Please help me if so thank you

posledela

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3 years ago

Anna is a teacher at an elementary school. She purchased 73 tickets to take the first-grade children and some parents on a field

Svetllana [295]

She bought 54 child tickets and 19 adult tickets.

Step-by-step explanation:

No. of tickets purchased = 73

Cost of tickets = $771

Cost of one child ticket = $9

Cost of one adult ticket = $15

Let,

Child ticket = x

Adult ticket = y

According to given statement;

x+y=73 Eqn 1

9x+15y=771 Eqn 2

Multiplying Eqn 1 by 9;

$9(x+y=73)\\9x+9y=657\ \ \ Eqn\ 3\\$

Subtracting Eqn 3 from Eqn 2;

$(9x+15y)-(9x+9y)=771-657\\9x+15y-9x-9y=114\\6y=114\\$

Dividing both sides by 6;

$\frac{6y}{6}=\frac{114}{6}\\y=19$

Putting y=19 in Eqn 1

$x+19=73\\x=73-19\\x=54\\$

She bought 54 child tickets and 19 adult tickets.

Keywords: linear equations, subtraction

Learn more about linear equations at:

#LearnwithBrainly

4 0

3 years ago

What is the ratio of the radius of a circle to its circumference 12π 1πr 1π 2π

aleksklad [387]

The circumference is (2 pi) (radius) . The ratio of radius to circumference is (1)/(2 pi).

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3 years ago