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Solnce55 [7]
2 years ago
15

Evaluate the expression.

Mathematics
1 answer:
Alekssandra [29.7K]2 years ago
4 0

Step-by-step explanation:

9.(12/3)²

9.(144/9)

[The 9 in numerator and the 9 in denominator can be cancelled]

144

the answer is 144

Please mark me as brainliest

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What are the first 10 digits after the decimal point when the fraction $\frac17$ is written in base 16?
Virty [35]

Answer:

The amswer is "2,4,9....."

Step-by-step explanation:

x=\frac{1}{7}\\\\x_d=0.\overline{142857}\\\\x_h=0.\overline{249}\\\\

by leave you to work out the other 7 digits:

\to \frac{1}{7}\approx \frac{a}{16}\\\\a= \text{first hex digit}\\\\a=floor(\frac{16}{7})=2\\\\  

\to \frac{1}{7}- \frac{a}{16}\approx \frac{b}{16^2}\\\\b= \text{second hex digit}\\\\b=floor(\frac{16^2}{7} -16a)=4\\\\  

\to \frac{1}{7}- \frac{a}{16}-\frac{b}{16^2} \approx \frac{c}{16^3}\\\\c= \text{third hex digit}\\\\c=floor(\frac{16^3}{7} -16^2a-16b)=9\\\\  

8 0
3 years ago
GIVING OUT BRAINLIEST HELP MEE PLEASE!! 10 PNTS ASWELL!!
sammy [17]
The right answer is Bad
4 0
3 years ago
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A group consists of 5 men and 8 women. 4 people are selected to attend a conference.
guapka [62]

Answer:

in four (4) ways 4 people can be selected

8 0
3 years ago
Solve the formula for the variable y: 5x+2y=10
Inessa05 [86]

The process is to go step-by-step to isolate the y.

To do this, you basically run the order of operations in reverse.

In 5x+2y=10, the first thing to move away from the left side is 5x and  you cancel it out by subtracting 5x from both sides:

    5x+2y - 5x = 10 - 5x

The 5x's on the left cancel leaving you with:  

   2y = 10 - 5x

Side note: this is more commonly written as 2y = -5x+10, since we tend to write variable terms first.

Finally, to get the y fully by itself, you need to cancel the 2 that's multplied against it.  To cancel multiplication, you need to divide:

    \dfrac{2y}{2} = \dfrac{-5x+10}{2}

The most important thing to remember here is that the 2 needs to divide into both terms on the right:

    \dfrac{2y}{2} = \dfrac{-5x}{2}+ \dfrac{10}{2}

Finally, we simplify this into:

    y = -\dfrac{5}{2}x+5

5 0
3 years ago
**HURRRYYYYY
Natalija [7]

Answer:

x - 6

Step-by-step explanation:

I am unfamiliar with such algebra tiles, but logically that set of tiles tells me :

1 x, -1, -1, -1, -1, -1, -1

so,

1×x + 6×(-1) = x - 6

8 0
3 years ago
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