Which symbol replaces ? to make the statement true?
1 answer:
Use PEMDAS
P Parentheses first
E Exponents (ie Powers and Square Roots, etc.)
MD Multiplication and Division (left-to-right)
AS Addition and Subtraction (left-to-right)
3 ⋅ 12 − 12 = 36 - 12 = 24
3 ⋅ [26 − 2 ⋅ (3 + 6)] = 3 · (26 - 2 · 9) = 3 · (26 - 18) = 3 · 8 = 24
<h3>Answer: =</h3>
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x and y
Step-by-step explanation:
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In triangle, ABD,
AD²= AB²+BD²
AB² = AD²-BD²
AB² = 18²-9² = 324-81 = 243
AB = √243
In triangle, ABC,
AC² = AB²+BC²
AC² = (√243)²+(13)²
AC² = 243+169
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Answer:
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Step-by-step explanation:
Answer:
√ x 12 = x 6 (or possibly − x 6 if you want to include the non-principal square root)
