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3 years ago

Is this a linear function?

Mathematics

1 answer:

Artemon [7]3 years ago

8 0

Answer:

Step-by-step explanation:

Because a linear function is the form as

$f(x)=ax+b$

the highest exponent is one

and the graph is a line in the case of

$p(x)=3x^2-4$

is a parabola, not a line

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You use a line of best fit for a set of data to make a prediction about an unknown value. The correlation coefficient for your d

Trava [24]

Answer:

Following are the solution to this question:

Step-by-step explanation:

For this set, the correlation coefficient is = -0.015.

It shows that financial variables have trust issues. Once a price rises, the other one is decreasing the value of -0,015 shows, that there are several fewer associations in the set of data among x and y and between y values. This interaction also can range between -1 to 1, to 0 being completely unrelated. But you'd never be sure, in this situation, 0.015 is very similar to 0.

It means that your prediction is nothing better than just a wild choice. Its odds of an estimated value being relatively close to the actual result are therefore much smaller as the points are it's hardly the best match.

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3 years ago

What is the triangle sum Theorem ?

vovangra [49]

Answer:

The sum of the interior angles of any triangle is equal to 180 degrees.

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3 years ago

Examine the system of equations.

Pachacha [2.7K]

Step-by-step explanation:

The lines have different slopes

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3 years ago

A first number plus twice a second number is 14. Twice the first number plus the second totals 10. Find the numbers.

Nookie1986 [14]

Answer:

first number(x) = 2 second number(y)= 6

Step-by-step explanation:

This is an example of a simultaneous equation.

First write this word problem as equations, where x is the "first number" that you've mentioned and y is the "second number".

x + 2y = 14 (equation 1)

2x + y = 10 (equation 2)

This is solved using the elimination method.

We need to make one of the coefficients the same - in this case we can make y the same. In order to do this we need to multiply equation 2 by 2, so that y becomes 2y.

2x + y = 10 MULTIPLY BY 2

4x + 2y = 20 (this is now our new equation 2 with the same y coefficient)

Now subtract equation 1 from equation 2.

4x - x + 2y - 2y = 20 - 14 (2y cancels out here)

3x = 6

x = 2

Now we substitute our x value into equation 1 to find the value of y.

2 + 2y = 14

2y = 12

y = 6

Hope this has answered your question.

6 0

3 years ago

Read 2 more answers

Which number is a common factor of 84 and 144?

schepotkina [342]

Your answer would be 12

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3 years ago