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Shtirlitz [24]
3 years ago
13

Cual es la expresion decimal de - 18/3

Mathematics
1 answer:
lisabon 2012 [21]3 years ago
3 0

Answer:

6

Step-by-step explanation:

You need to divide it.Then you get 18 divided by 3.Which is 6

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two dice are rolled until a sum of either 5 or 7 occurs. estimate the probability that a 5 occurs first g
Ierofanga [76]

Answer:

The correct answer is "\frac{2}{5}". A further solution is provided below.

Step-by-step explanation:

According to the question,

The probability of getting a 5 will be:

= \frac{4}{36}

= \frac{1}{9}

The probability of getting a 7 will be:

= \frac{6}{36}

= \frac{1}{6}

The probability of not a 5 nor a 7 will be:

= 1-[\frac{4}{36} +\frac{4}{36} ]

= \frac{26}{36}

= \frac{13}{18}

Now,

For roll of 2 dice,

⇒ P=\frac{1}{9} +{\frac{1}{9}\times (\frac{13}{18} ) }+{(\frac{1}{9} )\times (\frac{13}{18} )^2}+{\frac{1}{9}\times (\frac{13}{18} )^3 }+...

        =\frac{1}{9} [1+\frac{13}{18} +\frac{13^2}{18^2} +\frac{13^3}{18^3} +...]

        =\frac{1}{9} [\frac{1}{1-\frac{13}{18} } ]

        =\frac{1}{9} [{\frac{1}{\frac{5}{8} } ]

        =\frac{2}{5}

6 0
3 years ago
PLS HELP DUE IN 1 HOUR <br><br> write the expression using positive exponents <br> 1/3^-5
drek231 [11]
<h3>Answer:   3^5</h3>

Explanation:

The rule used is \left(\frac{a}{b}\right)^{-c}  = \left(\frac{b}{a}\right)^{c}

That rule says to go from a negative exponent to a positive exponent, we apply the reciprocal of the fraction.

So,

\left(\frac{1}{3}\right)^{-5} = \left(\frac{3}{1}\right)^{5} = 3^5

4 0
3 years ago
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Fiesta28 [93]

Answer:

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<h2><em>MARK </em><em>ME </em><em>AS </em><em>BRAINLY</em></h2>

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6 0
3 years ago
Read 2 more answers
Simplify: -5(3c-9) – 9c – 7c2 +5<br> What’s the answer?
saveliy_v [14]

Answer:

ANSWER: -7c^{2} -24c+50

Step-by-step explanation:

5 0
3 years ago
The ordered pair of (-3,0) is a solution of which system
makkiz [27]

expression

A mathematical symbol, or combination of symbols, representing a value, or relation. Example:   2+2=4


8 0
3 years ago
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