3 years ago

Please please help! This is for a quiz and I'm so stuck! Will give brainliest!

Mathematics

2 answers:

Svetradugi [14.3K]3 years ago

6 0

1 - (0.474^7). So the answer is 0.99462

Otrada [13]3 years ago

5 0

kakahshsjsbhsjajjajabbanaajajaja

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Please help pleaseeeeeeeee

n200080 [17]

Answer:

point A lol

Step-by-step explanation:

It goes up by 8 points, and 6 points right

4 0

3 years ago

Which is the equation of a parabola with vertex (0,0) and directrix y= 4

grandymaker [24]

Answer:

D. $x^{2} = -16\cdot y$

Step-by-step explanation:

The vertex form of the equation of the parabola centered in the origin, with axis of symmetry in the x-axis and directrix in the first and second quadrants is described by the following formula:

$4\cdot p \cdot y = x^{2}$ , $p < 0$ (1)

Where:

$y$ - Dependent variable.

$x$ - Independent variable.

$p$ - Focus distance.

If we know that vertex is located at (0, 0) and the directrix pass through (4, 0), then the focus distance (distance of the vertex with respect to that point) is -4, and the equation of the parabola is $x^{2} = -16\cdot y$ .

Hence, the right choice is D.