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Tatiana [17]
3 years ago
9

13w-8w =20 ??????????

Mathematics
2 answers:
REY [17]3 years ago
6 0

Answer:

w=4

Step-by-step explanation:

13w-8w=20

5w=20

w=4

Nookie1986 [14]3 years ago
4 0

Answer:

w = 4

Step-by-step explanation:

13w-8w =20

Combine like terms

5w = 20

Divide each side by 5

5w/5 = 20/5

w = 4

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Step-by-step explanation:

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The function's y-intercept is 9.

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Step-by-step explanation:

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Which set of ordered pairs does not represent a function?
Irina18 [472]
<h3>Answer:</h3>

B. { (3, –2), (3, –4), (4, –1), (4, –3) }

<h3>Step-by-step explanation:</h3>

Functions are a set of points that show how dependent variables change through independent variables.

Defining a Function

In functions, each x-value is assigned to exactly one y-value. This means that x-values do not repeat. So, if there is one x-value more than once in a set, then it cannot be a function.

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Graph of a Function

Functions can also be defined through a graph. Just like with coordinate points, x-values do not repeat on the graph. You can use the vertical line test to see if a graph is a function. If you can draw a vertical line at every point on a graph without it ever intersecting with the graph more than once, then it is a function.

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