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2 years ago

10

What is 615.75 rounded to the nearest hundredth?

1 answer:

Rina8888 [55]2 years ago

5 0

Answer:

615.75

Step-by-step explanation:

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The height above the surface of the Earth (in meters) of a rock thrown into the air at 10 m/s after x seconds is given by f(x)

SSSSS [86.1K]

Answer:

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Step-by-step explanation:

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3 years ago

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complete the proof. give: EH and GI bisect each other. prove: triangle EFI is congruent to triangle HFG

qaws [65]

<span>A. 4. EFI = HFG 4. Vertical angles
5. EFI = HFG 5. SAS
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3 years ago

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Quadratics need help making parabola

timama [110]

Answer:

The equation of the parabola is $y = \frac{1}{3}\cdot x^{2}-\frac{4}{3}\cdot x -4$ , whose real vertex is $(x,y) = (2, -5.333)$ , not $(x,y) = (2, -5)$ .

Step-by-step explanation:

A parabola is a second order polynomial. By Fundamental Theorem of Algebra we know that a second order polynomial can be formed when three distinct points are known. From statement we have the following information:

$(x_{1}, y_{1}) = (-2, 0)$ , $(x_{2}, y_{2}) = (6, 0)$ , $(x_{3}, y_{3}) = (0, -4)$

From definition of second order polynomial and the three points described above, we have the following system of linear equations:

$4\cdot a -2\cdot b + c = 0$ (1)

$36\cdot a + 6\cdot b + c = 0$ (2)

$c = -4$ (3)

The solution of this system is: $a = \frac{1}{3}$ , $b = - \frac{4}{3}$ , $c = -4$ . Hence, the equation of the parabola is $y = \frac{1}{3}\cdot x^{2}-\frac{4}{3}\cdot x -4$ . Lastly, we must check if $(x,y) = (2, -5)$ belongs to the function. If we know that $x = 2$ , then the value of $y$ is:

$y = \frac{1}{3}\cdot (2)^{2}-\frac{4}{3}\cdot (2) - 4$

$y = -5.333$

$(x,y) = (2, -5)$ does not belong to the function, the real point is $(x,y) = (2, -5.333)$ .

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2 years ago

What theorem is this<br>sss,sas,asa,aas,hl, or not enough info

svp [43]

ASA - verticals angles are equal, two sides are equal, and two other angles are marked equal

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2 years ago

AD and ac are opposite rays.<br> True<br> False

Paha777 [63]

Answer:

False

Step-by-step explanation:

For AD and AC to be opposite rays they must be on the same straight line in opposite directions.

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2 years ago