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NISA [10]
2 years ago
12

Find the missing angle. ​

Mathematics
1 answer:
slamgirl [31]2 years ago
6 0

The answer to your question is 61.

I might have calculated it wrong, so if so sorry:(

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Write the equation for a parabola with a focus at (-7,-5) and a directrix at x = -4
Nataliya [291]

Answer:

y² + 10y + 6x + 58 = 0

Step-by-step explanation:

Focus of the parabola has been given as (-7, -5) and directrix as x = -4

Let a point on the parabola is (x, y).

By the definition of a parabola, "distance of a point on parabola is equidistant from focus and directrix".

Distance from focus of the given point = \sqrt{(x+7)^2+(y+5)^2}

Distance of the point from directrix = \sqrt{(x+4)^2}

Therefore, equation of the parabola will be,

\sqrt{(x+7)^2+(y+5)^2}=\sqrt{(x+4)^2}

(x+7)^2+(y+5)^2=(x+4)^2

x² + 14x + 49 + y² + 10y + 25 = x² + 8x + 16

y² + 14x + 10y + 74 = 8x + 16

y² + 10y + 6x + 58 = 0

6 0
2 years ago
Read 2 more answers
Write an inequality to represent the phrase: The product of a number and 8 is at least 104.
Tasya [4]

Answer: The answer is d because if you pay attention the answer says at least ≤ or greater than or equal to symbol it means either one

Step-by-step explanation:

4 0
2 years ago
Help I suck at math..
kakasveta [241]

Answer:

The correct answers are:

B

D and

F

Step-by-step explanation:

Hope it can help you lovelots

<em><u>#</u></em><em><u>L</u></em><em><u>E</u></em><em><u>A</u></em><em><u>R</u></em><em><u>N</u></em><em><u> </u></em><em><u>WITH</u></em><em><u> BRAINLY</u></em>

5 0
2 years ago
A candle that is 13 inches tall is lit. as the candle burns, its height decreases at a rate of 0.5 inches per hour. let t t repr
barxatty [35]
T =hours,. l=length
l=13-.5t
6 0
3 years ago
How express the ratio in simplest form: 85 out of 102
kodGreya [7K]
5:6
The fraction 85/102 goes to 5/6 so it is 5:6 or 5/6...

3 0
3 years ago
Read 2 more answers
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