trasnlate each english phrase to mathematical phrase. Use x to represent the unknown number.
1.a number increased by 5.
2.9 divided by a certain number.
3.the sum of a number and 18.
4.the product of 54 and a number.
5.the quotient of 81 and a number. ​


Sagot :

[tex]1.) \: x + 5[/tex]

[tex]2.) \: \frac{9}{x} [/tex]

[tex]3.) \: x + 18[/tex]

[tex]4.) \: 54x[/tex]

[tex]5.) \: \frac{81}{x} [/tex]

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