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zlopas [31]
3 years ago
9

The humpback whales traveled 2240 miles in 28 days.

Mathematics
1 answer:
rodikova [14]3 years ago
7 0
2,240 divided by 28= 80. 80 times 32= 2,560. 2,560+2,240=4800.  Figure out the rest alone xD
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What is the y-intercept Of the function Represented by the table of values belowX -2 1 2 4 7 y 15 6 3 -3 -12
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Given:

The table of values.

To find:

The y-intercept of the given function.

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The table of values represents a linear function because the rate of change is constant.

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Fill in the missing portions of the function to rewrite g(x) = 3a^2 − 42a + 135 to reveal the zeros of the function. What are th
mariarad [96]

Answer:

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Step-by-step explanation:

Given a second order polynomial expressed by the following equation:

ax^{2} + bx + c, a\neq0.

This polynomial has roots x_{1}, x_{2} such that ax^{2} + bx + c = a(x - x_{1})*(x - x_{2}), given by the following formulas:

x_{1} = \frac{-b + \sqrt{\bigtriangleup}}{2*a}

x_{2} = \frac{-b - \sqrt{\bigtriangleup}}{2*a}

\bigtriangleup = b^{2} - 4ac

In this question:

g(x) = 3x^{2} - 42a + 135

So

a = 3, b = -42, c = 135

\bigtriangleup = (-42)^{2} - 4*3*135 = 144

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So

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