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slega [8]
3 years ago
13

For the following right triangle, find the side length x. Round your answer to the nearest hundredth.

Mathematics
1 answer:
Aleksandr [31]3 years ago
7 0

Answer:

x = 9

Step-by-step explanation:

a^{2} = c^{2} - b^{2}

a^{2} = 15^{2}  - 12^{2}

a^{2} = 225 - 144

a^{2} = 81

\sqrt{a^2} = \sqrt{81}

a = 9

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Which equation is best represented by the graph above (x+1)(x-3)(x+2). please explain why
Nat2105 [25]
<h3>Answer:</h3>

y = (x +2)(x -1)(x -3) . . . . or . . . . y = x³ -2x² -5x +6

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

The graph shows y=0 at x=-2, x=1, and x=3. These are called the "zeros" or "roots" of the function, because the value of the function is zero there.

When "a" is a zero of a polynomial function, (x -a) is a factor. This means the factors of the graphed function are (x -(-2)), (x -1) and (x -3). The function can be written as the product of these factors:

... y = (x +2)(x -1)(x -3) . . . . . the equation represented by the graph

Or, the product can be multiplied out

... y = (x +2)(x² -4x +3)

... y = x³ -2x² -5x +6 . . . . . the equation represented by the graph

7 0
3 years ago
Some teachers compared how many years they have been teaching.
Alex_Xolod [135]

Answer:

6

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5 0
2 years ago
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