3 years ago

For all real numbers a and b, a+b=b+a

1 answer:

8 0

This is the "commutative property of addition." The order in which you add numbers together doesn't matter, and doesn't change your final results.

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An automobile detailer can detail 20 cars in 10 hours. At this rate, how many cars can he detail in 1 hour?

trapecia [35]

20/10 is 2 so he can detail two cars an hour

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2 years ago

What is the product of (-2x)(-6x^4)?

yaroslaw [1]

Answer:

12x^5

Step-by-step explanation:

(-2x)(-6x^4)

Multiply the numbers

-2 * -6 = 12

Multiply the variables

x* x^4 = x^5

12x^5

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2 years ago

When creating lines of best fit, do you believe that estimation by inspection of the equation is best or do you think it should

Alex73 [517]

Answer:

Estimation by inspection is better than trying to determine the line of best fit exactly

i) For a scatter plot : The use of estimation by inspection

ii) For a straight line graph : The exact determination method

Step-by-step explanation:

To create lines of best fit the estimation by inspection is better than trying to determine the line of best fit exactly .

This is because line of best fit only shows the trend of the data and in most cases it doesn't have to start from origin.

Scenarios :

i) For a scatter plot : The use of estimation by inspection

ii) For a straight line graph : The exact determination method

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2 years ago

HELP FAST PLS !!!!

fgiga [73]

Answer:

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Step-by-step explanation:

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2 years ago

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Create a polynomial function in factored form that has the following characteristics: zero at x = 1, multiplicity of 2; zero at

Nataliya [291]

$(x-1)^{2} (x+2)$

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3 years ago