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djyliett [7]
3 years ago
9

What are the coordinates of the focus and the equation of the directrix?

Mathematics
1 answer:
g100num [7]3 years ago
8 0
The answer is <span>C. focus: (–4,0); directrix: x = 4
</span>
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Round to the nearest whole number 30.76
Zepler [3.9K]

Answer:

31

Step-by-step explanation:

The correct answer is 31.

Since 7 is greater than 5, you add a 1 in replace of the 0 to get 31.

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3 years ago
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What's the slope of (10,-8) and (2,-6)
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Answer:

-1/4

Step-by-step explanation:

3 0
2 years ago
Can you help me solve this?
antiseptic1488 [7]

The required composite value f(g(-8) is 28

A composite function is a function inside another function. Given the following functions

f(x) = x² - 3x - 12

g(x) = -x - 12

Required composite function is f(g(-8))

First we need to get f(g(x))

f(g(x)) = f(-x-12)

f(-x-12) =  (-x-12)² - 3x - 12

Expand

f(-x-12) = x² +24x + 144 - 3x - 12

f(-x-12) = x² +21x + 132

f(g(x)) = x² +21x + 132

Substitute x = -8 into the result

f(g(-8)) = (-8)² +21(-8) + 132

f(g(-8)) = 64 - 168 + 132

f(g(-8)) = 28

Hence the required composite value f(g(-8) is 28

Learn more here : brainly.com/question/3256461

8 0
2 years ago
Can somebody help and show work
Korvikt [17]

Answer:

 

Ask: Which two numbers add up to 44 and multiply to 33?

11 and 33

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Rewrite the expression using the above.

(x+1)(x+3)(x+1)(x+3)

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A circle has a radius of 6 an arc in this central angle of 360 what is the length of the arc
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Step-by-step explanation:

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3 years ago
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