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stepladder [879]
2 years ago
8

Derive the equation of the parabola with a focus at (−5, −5) and a directrix of y = 7.

Mathematics
1 answer:
asambeis [7]2 years ago
3 0

Answer:

Answer: The equation of the parabola is (x+5)^2=-24(y-1)(x+5)

2

=−24(y−1) .

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Need help with left side
maks197457 [2]

Hello,

1) k = (-5) * (-5) = 25

3) x = 12 * 0 = 0

5) y = (-4) * (-12) = 48

7) z = 0 * 9 / 1 = 0

9) x= 18 / -3 = -6

11) p = -8 / 8 = -1

13) h = 42 / 14 = 3

15) m = -42 / 6 = -7

17) x = -9 * -11 = 99

19) v = -17 / -17 = 1

21) h = 3,136 / 56 = 0,056

23) x = 4,200 / 30 = 0,14

25) m = 21 * -3 = -63

Bye :)

8 0
3 years ago
How to put 412.638 in expanded form using decimals
sergeinik [125]

The <em>correct answer</em> is:


400 + 10 + 2 + 0.6 + 0.03 + 0.008.


Explanation:


To write a number in expanded form, we use place values.


4 is in the hundreds place; this makes its value 400.

1 is in the tens place; this makes its value 10.

2 is in the ones place; this makes its value 2.

6 is in the tenths place; this makes its value 0.6.

3 is in the hundredths place; this makes its value 0.03.

8 is in the thousandths place; this makes its value 0.008.


To write this together, we find the sum:

400 + 10 + 2 + 0.6 + 0.03 + 0.008.

7 0
3 years ago
Read 2 more answers
What is the prime factorization if 6400 using exponents
katovenus [111]

So prime factorization is as it seems, finding the prime factors for a number. With this number, break it down as such:

\underbrace{6400}_{\underbrace{64}_{\underbrace{8}_{\underbrace{4}_{\boxed{2*2}} \boxed{2}}*\underbrace{8}_{\underbrace{4}_{\boxed{2*2}}\boxed{2}}}*\underbrace{100}_{\underbrace{10}_{\boxed{5*2}}*\underbrace{10}_{\boxed{5*2}}}}

<u>Looking at our factors, the prime factorization of 6400 is 2^8*5^2</u>

5 0
3 years ago
Simplify 3.2-5.1n-3n+5
Shtirlitz [24]
The answer is 
-8.1n+8.2
5 0
3 years ago
Read 2 more answers
Which of the following does not have a ratio of 2:3:4?
Ksju [112]
2 does not have a ratio
5 0
3 years ago
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