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which expression matches this description nine less than the product of a number and 4Anwser choices:A). 4n-9B). 9-(n+4)C). 9- 4n D). 9/4n

Sagot :

SOLUTION

The expression

Nine less than the product of a number and 4 can be written as

Defined a parameter for the unknown

[tex]\text{Let the number be n}[/tex]

The product of 4 and the number is

[tex]4\times n=4n[/tex]

Then

Nine less than the product means to subtract 9 from the product

Hence

[tex]4n-9[/tex]

Therefore

The expression nine less than the product of a number and 4 is written as

4n-9

The right answer is A