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3 years ago

What does dependent and independent variables mean

Mathematics

2 answers:

denpristay [2]3 years ago

7 0

Answer:

independent is the y value or the value that changes at a steady rate no matter what, the dependent variable or x is the variable that is subject to change and is dependent on the y value to find a pattern

Step-by-step explanation:

ehidna [41]3 years ago

7 0

Answer:

Variables are given a special name that only applies to experimental investigations. One is called the dependent variable and the other the independent variable. The independent variable is the variable the experimenter changes or controls and is assumed to have a direct effect on the dependent variable.

Step-by-step explanation:

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How do I write an algebraic equation for this word problem?

Doss [256]

Hi.

Please note that I haven't done much algebra.

4 more = 4 +

Twice as many than the runner up means 2 times the amount they ate (a variable) = 2n

So far we have 4 + 2n

Since it's an equation, we are going to know what it equals. In the problem, we find out that it's 11. So the equation looks like this:

4 + 2n = 11

If this didn't work out, please let me know.

~

I believe n = 3.5

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3 years ago

Describe a sequence of transformations that exhibits the similarity between the pair of figures shown.

Inga [223]

Answer:

Reflection across the x-axis followed by dilation by a scale factor of \frac{1}{4} with the center of dilation at the origin

Step-by-step explanation:

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4 years ago

A schools enrollment in 2012 was 1234 now it is 1456 what does the expression look like that would help me find the percent chan

astraxan [27]

Answer:

.18 % increase

Step-by-step explanation:

First you would find what the difference is between the school enrollment

you would do 1456 - 1234 = 222

Then you would divide 1234/1456 = 84.75% to see the total percentage

The increase however has a percentage of .18%

To check your work you would do .18 x 1234 = 222.12 ( round to the nearest whole number so it would just be 222) then add 1234+ 222 = 1456!

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4 years ago

Two friends argue over who brushes their teeth more often. To settle the argument, they keep track of the number of mornings and

Llana [10]

Answer: D. Arabella. She has a 0.79 probability of brushing both times.

Step-by-step explanation:

A.P.E.X

7 0

3 years ago

Read 2 more answers

If g(x) is the inverse of f(x), what is the value of f(g(2))?

Elan Coil [88]

Answer:

Step-by-step explanation:

So to figure this out we just need to flip the values of x and y in the table and then redefine that as the function g(x), because an inverse is essentially the reverse!

So if we flipped x and y's for f(x). We would see that our output or y of g(x) is -3 when x = 2, or in other words g(2) = -3. This means that we are now going to solve for when f(-3). So now lets look at the table and find the value at x = -3 for f(x). This value is 2, so the value of f(g(2)) = 2.

*In the future*

When you have a composite function of two inverses they essentially cancel out and would leave whatever the value of x is. So if we know f(x) and g(x) were inverses the value of f(g(2)) would just be 2.

For example:

ln(x) and e^x are inverses so if I had a composition like this:

$e^{ln(2)}$

The answer to this would be 2 because these inverse functions "'cancel" out

$e^{ln2} = 2$

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4 years ago

Read 2 more answers