2 years ago

Which of the following is equivalent to the radical expression below when

Mathematics

1 answer:

Airida [17]2 years ago

4 0

The equivalent expression of $(\sqrt x - 2)(\sqrt x + 9)$ is $x + 7\sqrt x - 18$

<h3>How to determine the equivalent equation?</h3>

The expression is given as:

$(\sqrt x - 2)(\sqrt x + 9)$

Expand the expression

$x - 2\sqrt x + 9\sqrt x - 18$

Evaluate the like terms

$x + 7\sqrt x - 18$

Hence, the equivalent expression of $(\sqrt x - 2)(\sqrt x + 9)$ is $x + 7\sqrt x - 18$

Read more about equivalent expression at:

brainly.com/question/2972832

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A jar of natural peanut butter normally cost four dollars today it's on sale for $3.60 what is the percentage of the discount

kakasveta [241]

$4 is the original price of the jar consisting of peanut butter so therefor it = 100%. It's for sale at $3.60, so we divide $4 by 100% so we get the percentage for each cent and then we times it by 3.60 to get the percentage for $3.60 which is 90%. Now we subtract 90% from 100% to get the discounted percentage for 40cents :)