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swat32
3 years ago
5

the height y,in feet,of a football x seconds after it is ththrown is modeled by the equation y=16x^2+24+1.what information does

the zero of the equation 6=-16×^2+24x+1 represent?
Mathematics
2 answers:
LuckyWell [14K]3 years ago
7 0
They represent the two times the football is on the ground.
wariber [46]3 years ago
6 0

Answer:

The zeros of the equation represent the two times (the equation of the model  is quadratic) that the ball is on the ground, that is, the zeros are the values of x-variable (time, in seconds) for which y-variable (height, in feet) is equal to zero.

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Triangle XYZ is reflected across the x-axis, and X = (–11, 8). What are the coordinates of X’ ?
valina [46]

9514 1404 393

Answer:

  (-11, -8)

Step-by-step explanation:

Reflection across the x-axis changes the sign of the y-coordinate.

For X(-11, 8), the reflected point is X'(-11, -8).    (matches the last choice)

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3 years ago
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Find AB. i’m literally so dumb i don’t know math
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Step-by-step explanation:

AC = AB + BC

25x - 19 = 9x + 7 + 5x + 7

25x - 19 = 14x + 14

25x - 14x = 14 + 19

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3 years ago
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arrange the expressions in the correct sequence to rationalize the denominator of the expression -(2)/(\sqrt(x+y-2)-\sqrt(x+y+2)
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We have to rationalize the denominator:
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3 years ago
The expression 21 - (2x + 3)2 + 4 (1 - 1) + z3 can be simplified into the form
mr Goodwill [35]

Answer:

A=z

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Step-by-step explanation:

First lets simply the equation

21 - (2x +3)2 + 4(1-1) + z^3

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This means that:

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3 years ago
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