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ivanzaharov [21]
3 years ago
11

​f(x)=5​x reflected over the x axis

Mathematics
1 answer:
postnew [5]3 years ago
6 0

Answer:

f(x) = -5x

Step-by-step explanation:

Just add a - sign to reflect it over the x axis

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I am not very sure but it might be 30 laps.
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Please help 50 points + Brainliest
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How many ways can eight letters be arranged into groups of five where order matters and the first two letters are already chosen
fenix001 [56]

Answer:

120

Step-by-step explanation:

Since we're dealing with a problem where the order matters and the first two letters are already chosen we need to subtract the number of letters and the number of available slots per group.

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n = 8

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Now since there are two letters already chosen we have to deduct two from both the value of n and k.

n = 6

k = 3

Now we can use the permutation formula:

_{n}P_{k}=\dfrac{n!}{(n-k)!}

_{6}P_{3}=\dfrac{6!}{6-3)!}

_{6}P_{3}=\dfrac{6!}{3!}

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The 3*2*1 cancels out and leaves us with:

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So there are 120 possible ways to arrange eight letters into groups of five where order matters and the first two letters are already chosen.

6 0
3 years ago
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Need help with a math probelm gvie 5 star if do
arsen [322]

Answer:

28 units^{3}

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3 0
2 years ago
A rope 8 feet long is cut into two pieces. One piece is used to form a circle and the other used to form a square. Find a functi
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<span>1st piece: x feet
2nd piece: 8-x feet
--------------------------
Use the "x" piece to form a circle:
Circumference = "x".
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radius = x/(2pi)
So, Area = pi[x/(2)]^2 = x^2/(4pi) = (1/4pi)x^2
=========================================================
Use the 10-x piece to form square:
side = (1/4pi)(10-x)
Area = side^2 = (1/16)(10-x)^2

Hope this helps! :)</span>
8 0
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