A number outside of the square root symbol is actually multiplied by the square root of the number under the symbol. 25 and 9 are considered perfect squares because a number multiplied by itself goes evenly into each without any remainders.
=3√25 - √9
take the square root of 25 and 9
=3(5) - 3
multiply 3*5
=15 - 3
=12
ANSWER: 12 (first choice)
Hope this helps! :)
Answer:
$517.50
Step-by-step explanation:
25x20.7
J = 3/5R
J = 24
24 = 3/5R
24 * 5/3 = R
120/3 = R
40 = R
total = 40 + 24 = 64 text messages in total
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