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GuDViN [60]
3 years ago
9

Write the equation for a parabola with a focus at (7,-6) and a directrix at x = 5.

Mathematics
1 answer:
notka56 [123]3 years ago
5 0
55336533223885848848485858
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HELP FAST! Will give Brainiest i mainly need help on part C.
olchik [2.2K]
Part A: First, list multiples for each number. The multiples of 5 are: 5, 10, 15, 20, 25 30, 35, 40, 45, 50, 55, 60, etc. The multiples of 12 are: 12, 24, 36,48, 60, etc. The least common multiple is the first common multiple between the two, in this case being 60. The LCM of 5 and 12 is 60. 

Part B: SImilar to above, list all factors for each number. 72: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, and 72. 81: 1, 3, 9, 27, and 81. The greatest common factor is the highest common number, 9 in this case. The GCF of 72 and 81 is 9.

Part C: To rewrite, we need to take out the 9 by dividing. 72/9 is 8. 81/9 is 9. Therefore, we would get 9(8+9), to equal 153. Your answer here is 9( 8 + 9 ).  Hope this helped!
4 0
3 years ago
Perform the indicated operation. Simplify the result in factored form.
guajiro [1.7K]

Answer:

\frac{3(a - 7)}{4x(a - 4)}

4 0
2 years ago
If the mass of two objects is increased, what is the effect on the force between them?
almond37 [142]

Answer:

A

Step-by-step explanation:

The formula used for this type of question is

F = \frac{Gm_1m_2}{r^2}  

so as long as you don't change anything else (like r), changing m will increase the force. Both of the last 2 answers look like they might be feasible, but they are not. The attraction increases.

So the answer is A

7 0
3 years ago
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A cyclist in a race is moving at a speed of 18 miles per hour. Convert this speed to meters per second
Mandarinka [93]

Answer:

8.04672 meters per second.

8 0
3 years ago
X² + 8x=-3<br> A. 8<br> B. 16<br> C. 64<br> D. 4
kari74 [83]

Answer:

hablan español? Si hablan porfavor me pueden ayudar en una tarea de matemática que no se mucho matemática

4 0
2 years ago
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