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3 years ago

13

Write a complete program thatdeclares an integer variable,reads a value from the keyboard into that variable, andwrites to stand

ard output the square of the variable's value.besides the number, nothing else should be written to standard output.

1 answer:

ch4aika [34]3 years ago

4 0

#include

int main()
{
int num;
scanf("%d", &num);
printf("%d", num*num);
return 0;
}

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How to perform aerial math for following:<br><br> 5.1 x 3.5 X 0.5+9.4

iris [78.8K]

I could be wrong, but I would say it's 18.325

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2 years ago

Simplify each expression. Assume that all variables are positive.

kozerog [31]

Q1. The answer is $\frac{8x^{3}y^{6} }{27}$

$( \frac{16 x^{5} y^{10}}{81x y^{2} } )^{ \frac{3}{4} }= ( \frac{16}{81}* \frac{ x^{5} }{x}* \frac{ y^{10} }{y^{2}} )^{ \frac{3}{4} } \\ \\ 
 \frac{ x^{a} }{ x^{b} }= x^{a-b} \\ \\ 
( \frac{16}{81}* \frac{ x^{5} }{x}*\frac{ y^{10} }{y^{2}} )^{ \frac{3}{4} }}=( \frac{16}{81 }* x^{5-1}* y^{10-2})^{ \frac{3}{4} }=( \frac{16}{81 }* x^{4}* y^{8})^{ \frac{3}{4} }= \\ \\ = (\frac{16}{18} )^{ \frac{3}{4} }*(x^{4})^{ \frac{3}{4} }*(y^{8})^{ \frac{3}{4} }=$
$\frac{(16)^{ \frac{3}{4} }}{(18)^{ \frac{3}{4} }}*(x^{4})^{ \frac{3}{4} }*(y^{8})^{ \frac{3}{4} }=\frac{( 2^{4} )^{ \frac{3}{4} }}{( 3^{4} )^{ \frac{3}{4} }}*(x^{4})^{ \frac{3}{4} }*(y^{8})^{ \frac{3}{4} } \\ \\ 
 (x^{a} )^{b} = x^{a*b} \\ \\ 
\frac{( 2^{4} )^{ \frac{3}{4} }}{( 3^{4} )^{ \frac{3}{4} }}*(x^{4})^{ \frac{3}{4} }*(y^{8})^{ \frac{3}{4} } = \frac{ 2^{4* \frac{3}{4} } }{ 3^{4* \frac{3}{4} } } * x^{4* \frac{3}{4} } * y^{8*\frac{3}{4}} = \frac{ 2^{3} }{ 3^{3} } * x^{3} *y^{6} =$
$= \frac{8x^{3}y^{6} }{27}$

Q2. The answer is 1/16

$(-64) ^ \frac{-2}{3} =(-1* 2^{6} ) ^ \frac{-2}{3}=(-1)^ \frac{-2}{3} *(2^{6} ) ^ \frac{-2}{3} \\\\x^{-a} = \frac{1}{ x^{a} } \\\\(-1)^ \frac{-2}{3} *(2^{6} ) ^ \frac{-2}{3} = \frac{1}{(-1)^ \frac{2}{3}} *\frac{1}{(2^{6})^ \frac{2}{3}} \\ \\ (x^{a} )^{b}=x^{a*b} \\\\x^{ \frac{a}{b} = \sqrt[b]{ x^{a} } } \\ \\ 
$
$\frac{1}{(-1)^ \frac{2}{3}} *\frac{1}{2^{6*\frac{2}{3}}} = \frac{1}{ \sqrt[3]{(-1)^{2} } } * \frac{1}{ 2^{4} } = \frac{1}{ \sqrt[3]{1} } * \frac{1}{16} = \frac{1}{1} * \frac{1}{16}= \frac{1}{16}$

Q3. The answer is $a^{ \frac{7}{6} }$

$a^{ \frac{2}{3} } * a^{ \frac{1}{2} } \\ \\ 
 x^{a}* x^{b} =x^{a+b} \\ \\ 
a^{ \frac{2}{3} } * a^{ \frac{1}{2} }= a^{ \frac{2}{3} + \frac{1}{2} } =a^{ \frac{2*2}{3*2} + \frac{1*3}{2*3} }=a^{ \frac{4}{6} + \frac{3}{6} }=a^{ \frac{4+3}{6} }=a^{ \frac{7}{6} }$

7 0

3 years ago

Find the product of 485 and 112

RoseWind [281]

The product is 54320

8 0

3 years ago

The people described spent their money during different time periods. Label each of their scenarios as to whether they bought th

bonufazy [111]

Answer:

Peter is a compulsive gamer. He decides to buy World of Warcraft, all of its expansions, Starcraft 2, a PS3, a Wii, and an Xbox 360 since prices in general have been rising at an alarming rate. <u>INFLATION </u>
<u> </u>Melissa decides to start her own personal library and chooses to amass a private collection of books and magazines about world religions, cooking, comics, and economics. As she reads an issue of The Economist, she discovers overall price levels have changed only 0.01% in the past 2 years and decides it doesn't matter whether she starts the project now or later. <u>PRICE STABILITY</u>
Linda postpones her wedding even though most food prices and most service prices were dropping this year, which would help keep the cost of the wedding down. <u>DEFLATION</u>

<u>Linda's</u> money earned the most value because deflation means that the currency is gaining value as time passes. It is the opposite to inflation where a currency loses value as time passes.

5 0

4 years ago

What is the volume of the pyramid (base: 7in. , height: 9in. , length 8in.)

Anna71 [15]

Answer:

504

Step-by-step explanation:

7*8*9=504

6 0

3 years ago