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2 years ago

13

Convert the decimal 0.92 to a fraction.83/983/9083/10092/99

1 answer:

skad [1K]2 years ago

7 0

Answer:

the answer is 83/9

Step-by-step explanation:

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If 4 is subtracted from twice a number, the result is 10 less than the number. Write an equation to solve this problem. Use n as

skelet666 [1.2K]

2n-4= n-10
-n. -n
n-4=-10
+4. +4
n=-6

Final answer: -6

8 0

3 years ago

2.1d = 51.24<br> What is the answer?

erik [133]

24.4 is the answer. c:

3 0

3 years ago

Rewrite in simplest radical form 1 over x^(−3/6). Show each step of your process.

meriva

$\bf ~\hspace{7em}\textit{negative exponents} \\\\ a^{-n} \implies \cfrac{1}{a^n} ~\hspace{4.5em} a^n\implies \cfrac{1}{a^{-n}} ~\hspace{4.5em} \cfrac{a^n}{a^m}\implies a^na^{-m}\implies a^{n-m} \\\\\\ ~\hspace{7em}\textit{rational exponents} \\\\ a^{\frac{ n}{ m}} \implies \sqrt[ m]{a^ n} ~\hspace{10em} a^{-\frac{ n}{ m}} \implies \cfrac{1}{a^{\frac{ n}{ m}}} \implies \cfrac{1}{\sqrt[ m]{a^ n}}$

$\bf \rule{34em}{0.25pt}\\\\ \cfrac{1}{x^{-\frac{3}{6}}}\implies x^{\frac{3}{6}}\implies x^{\frac{1}{2}}\implies \sqrt[2]{x^1}\implies \sqrt{x}$

5 0

2 years ago

The Powerball lottery is played twice each week in 28 states, the Virgin Islands, and the District of Columbia. To play Powerbal

Alecsey [184]

Answer:

There are 3478761 ways to select the first 5 numbers

Step-by-step explanation:

As understood from the statement of this problem we assume that it does not matter the order in which the first 5 white balls are selected.

In this case it is a combination.

So, what we want to know is how many ways you can choose 5 white balls out of 55.

Then we use the formula of combinations:

$C(n, x) = \frac{n!}{x! (n-x)!}$

Where you have n elements and choose x from them.

Then we look for:

$C(55, 5) = \frac{55!}{5!(55-5)!}\\\\C(55, 5) = \frac{55!}{5!(50)!}\\\\C(55, 5) = 3478761$

6 0

3 years ago

A card is randomly selected from a standard

Anni [7]

Answer:

5.8% or 6%

Step-by-step explanation:

6 face cards in a deck minus the red ones so it would be [6-3=3]

52 cards are in a deck and you have 3 black face card so it would be [3/52=0.0576]

Then to get your percentage it would be [0.0576 x 100=5.76%]

5.76 rounded up is 6%

6 0

3 years ago