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VikaD [51]
3 years ago
6

According to the Rational Root Theorem, Negative two-fifths is a potential rational root of which function?

Mathematics
2 answers:
Travka [436]3 years ago
4 0

this can also be explained as a on edg :)

Artemon [7]3 years ago
3 0

Answer:

f(x) = 4x4 – 7x2 + x + 25 f(x) = 9x4

Step-by-step explanation:

Because it has to be this one

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a ferry boat collects 67 people at pier one. At pier two 36 people get on and 23 people get off. At pier three 18 get on and 29
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Starts off with 67 people.

Pier two: 67 + 36

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Pier three: 80 + 18

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Help please very confused.
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Answer:

12.

Step-by-step explanation:

Replace k in the radical by -2:

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3 years ago
Jessica had a bag of candies. She gave 1/8 of her candies to judy. Then jessica gave 3/7 of the candies she had left to Reggie.
AlexFokin [52]

Answer:

Jessica had 32 candies at the beginning.

Step-by-step explanation:

Let the number of candies Jessica had at the beginning be x.

Candies gives to Judy = \frac{1}{8}x.

Now, candies left with Jessica is x-\frac{1}{8}x=\frac{7x}{8}.

Candies given to Reggie is \frac{3}{7} of \frac{7x}{8}.

∴ Candies with Reggie is \frac{3}{7}\times\frac{7x}{8}=\frac{3x}{8}.

Candies left with Jessica after giving to Reggie = \frac{7x}{8}-\frac{3x}{8}=\frac{4x}{8}.

Now, Jessica lost 75% of what she had left. So, 75% of \frac{4x}{8}.

∴ Candies lost = \frac{75}{100}\times\frac{4x}{8}= \frac{3x}{8}

Now, candies left with Jessica = \frac{4x}{8}-\frac{3x}{8}=\frac{x}{8}.

As per question,

Candies left with Jessica at last is 4. So,

\frac{x}{8}=4

x=32

Hence, Jessica had 32 candies at the beginning.

6 0
3 years ago
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