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Svetllana [295]
3 years ago
5

If f(x) = [xl-5, what is f(8.6)?

Mathematics
1 answer:
Fynjy0 [20]3 years ago
4 0

Answer:

  3 or 4, depending on the intended meaning of [x]

Step-by-step explanation:

Perhaps you mean ...

  \displaystyle f(x)= \lfloor x\rfloor -5\\\\f(8.6)=\lfloor 8.6\rfloor-5=8-5=3

__

On the other hand, perhaps you mean ...

  \displaystyle f(x)=\lceil x\rceil -5\\\\f(8.6)=\lceil 8.6\rceil-5=9-5=4

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Answer:

x+2y=0

Step-by-step explanation:

y-y1=m(x-x1)

y-(-2)=-1/2(x-4)

y+2=-1/2x+4/2

y+2=-1/2x+2

y-(-1/2x)=2-2

y+1/2x=0

1/2x+y=0

2(1/2x+y)=2(0)

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6 0
3 years ago
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LUCKY_DIMON [66]

Answer:

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Step-by-step explanation:

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Can someone help me in this pretty please and asap!!! ;((
zepelin [54]

Answer:

(x -5)² + (y +4)² = 100 Should be the correct answer, hope this helps :)

Step-by-step explanation:

A circle centered at (h, k) with radius r will have equation ...

... (x -h)² + (y-k)² = r²

The point satisfies the equation for the circle. Filling in the given numbers, we have ...

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6 0
3 years ago
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Step-by-step explanation:

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3 years ago
AREAS AND VOLUMES OF SIMILAR SOLIDS URGENT?
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Formula for the volume of cone is \frac{1}{3} \pi r^2h

Where r= radius of the cone

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= 8.38cm^3

6 0
3 years ago
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