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densk [106]
2 years ago
8

A parabola can be drawn given a focus of (5, 9) and a directrix of y=3. Write the equation of the parabola in any form.

Mathematics
1 answer:
ziro4ka [17]2 years ago
6 0
7373782 okkkk?!!!!!!!!!!!!
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PLEASE ANSWER ASAP, WILL GIVE BRAINLIEST IF CORRECT
emmasim [6.3K]

If x > 0 then |x|/x = 1 !!!

If x<0 then |x|/x = -1

*below is an explanation! :)

_______________________________________

- I found the answer to this by choosing a any number that satisfies the requirement of x > 0 and plugging it into |x|/x  

-----

Watch this!

Let's take 10 for example. 10 is greater than 0 like x>0 requires!

Let's plug it into |x|/x

|10| ÷ 10 = 1

*Remember that | | this means "absolute value" or whatever is in between the two bars will always be positive (+)

-------

Now let's take a random number that satisfies 0> x and do the same as we did above!

Let's take -3 and plut it into |x|/x

|-3| ÷ -3 = -1

8 0
2 years ago
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Jamie needs 1/5 meter of ribbon to decorate the border of a photo frame. Enter the number of photo frames that can be decorated
charle [14.2K]

Answer:

<em><u>4</u></em><em><u> </u></em><em><u>photo</u></em><em><u> </u></em><em><u>frames</u></em><em><u> </u></em>

Step-by-step explanation:

<em><u>Hope</u></em><em><u> </u></em><em><u>it</u></em><em><u> </u></em><em><u>will</u></em><em><u> </u></em><em><u>help</u></em><em><u> </u></em><em><u>you</u></em><em><u> </u></em>

8 0
3 years ago
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Identify an equation in point-slope form for the line perpendicular to y =3/4x -4 that passes through (-1, 7).
PilotLPTM [1.2K]

Answer:

y - 7 = -4/3(x + 1)

Step-by-step explanation:

<u>Given</u>

  • y =3/4x -4
  • (-1, 7)

<u>Convert to point slope form</u>

y - y1 = m(x - x1)

m: represents what the slope is

y - 7 = -4/3(x + 1)

<u>Distribute -4/3</u>

-4/3 * x = -4/3x

-4/3 * 1 = -4/3

y - 7 = -4/3x - 4/3

<u>Add seven in both sides</u>

21/3 -4/3 = 17/3

y = -4/3x + 17/2

<u>Answer</u>

linear equation: y = -4/3x + 17/2

point-slope form: y - 7 = -4/3(x + 1)

3 0
3 years ago
Thirteen plus eight times n equals negative three
Free_Kalibri [48]

13+8n=-3

<em>Subtract 13 from both sides</em>

8n=-16

<em>Divide both sides by 8</em>

n=-2

3 0
3 years ago
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What is the value of 64 1/3
Marizza181 [45]

Answer:

64.3333333333

Step-by-step explanation:

Simplify the expression. Tap for more steps... Rewrite 64 64 as 43 4 3 .

7 0
3 years ago
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