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Troyanec [42]
3 years ago
12

It is said that if you are with someone else, you do not have to outrun the wolf, you just

Mathematics
1 answer:
tigry1 [53]3 years ago
7 0

Answer:

<u>The three equations:</u>

  • y = 15x, wolf
  • y = 10x + 15, you
  • y = 5x + 20, friend

<u>Compare the equations with wolf and you and with wolf and your friend:</u>

  • 15x = 10x + 15
  • 5x = 15
  • x = 3 seconds

It will take 3 seconds before you are caught by the wolf

  • 15x = 5x + 20
  • 10x = 20
  • x = 2 seconds

It will take 2 seconds before your friend is caught by the wolf, he will be caught a second before you.

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Alenkasestr [34]

Answer:

11

need more characters

8 0
3 years ago
Factor each polynomial 6m^2-15m
stellarik [79]
You can do prime factorization then find common factors to factor out.

6m² - 15m

2·3·m·m - 3·5·m

Both terms have 3·m so we can factor it out:

3·m (2·m - 5)

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Is negative 4.55 irrational?
WARRIOR [948]

Answer:

no

Step-by-step explanation:

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3 years ago
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maxonik [38]
\bf \begin{array}{cccccccccccllll}&#10;P(x)= x^5&-&4x^4&+&3x^3&+&2x&-&6\\&#10;&yes&&yes&&\textit{no}&&yes&#10;\\\\\\&#10;P(-x)= -x^5&-&4x^4&-&3x^3&-&2x&-&6\\&#10;&\textit{no}&&\textit{no}&&\textit{no}&&\textit{no}&#10;\end{array}

notice where how many "yes" sign change happen in the positive "x"
and the on the negative "-x"

for the P(x) is 3 changes, thus
so is either 3 real positive ones, or 3-2 = 1 real positive one

P(-x) gives no sign changes, so there are 0 negative ones

the polynomial has a degree of 5, thus 5 roots
if it has 3 real positive ones, then it has 2 complex ones
the complex ones pick up the slack per se

if it has 1 real positive one, then it has 4 complex ones

bear in mind complex ones always come in pairs


8 0
3 years ago
What do the angles in a triangle add up to
ale4655 [162]
Angles in a triangle add up to 180 degrees
4 0
3 years ago
Read 2 more answers
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