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4 years ago

Find the equation of a parabola with focus (3,4)and directrix

1 answer:

8 0

Example:<span>If the focus of a parabola is ( and the directrix is y , find the equation of the parabola.Let ( x 0 , y 0 ) be any point on the parabola. ...The distance between ( x 0 , y 0 ) and ( is (The distance between ( x 0 , y 0 ) and the directrix, y is.
could u help me with mine plz</span>

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Which expression is positive

Luden [163]

I'm not sure if A B C D are answers, but I can say for sure that C is positive and A, B, and D are negative.

A:
$-7*13$
Since there is only one -1, the expression is negative;
$-7*13=91$

B:
$14*-2$
Here as well, there is only one -1, so the expression is negative;
$14*-2=-28$

C:
$\frac{-14}{-7}$
The -1 cancels out;
$\frac{14}{7} =2$

D:
$\frac{-42}{6}$
Here, you can't cancel the -1 out, so it remains negative;
$\frac{-42}{6} =8$

Sorry for the delay, hope this helps :)

8 0

4 years ago

7 x 11 x 4.5 x 4.5 x 4.5 x 8.5

stepladder [879]

Answer:

59641.3125

Step-by-step explanation:

7 x 11 x 4.5 x 4.5 x 4.5 x 8.5

7 x 11 x 4.5 x 4.5 x 4.5 x 8.5

77 x 4.5 x 4.5 x 4.5 x 8.5

346.5 x 4.5 x 4.5 x 8.5

1559.25 x 4.5 x 8.5

7016.625 x 8.5

59641.3125

6 0

3 years ago

I don’t know how to properly write this

aalyn [17]

I think it’s b not 100% sure but I think

8 0

4 years ago

Read 2 more answers

a straight water slide is 175 feet above ground and is 200 feet long. What is the angle of depression to the bottom of the slide

Nikitich [7]

Answer:

The angle of depression is equal to $41.2\°$

Step-by-step explanation:

Let

x------> the angle of depression

we know that

$x=arctan(\frac{175}{200})= 41.2\°$

6 0

3 years ago

The point (0, –4) is located

mixer [17]

I'm going to assume you're asking where the point is located on a coordinate plane.

We have x = 0 and y = -4.

So, we start at (0, 0) and move down 4 units.

Best of Luck!

7 0

3 years ago