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Marysya12 [62]
3 years ago
8

Help me simplify the algebraic expression

Mathematics
1 answer:
Molodets [167]3 years ago
3 0
=2ab - 20a -5a +10 -ab - b
= ab - 25a - b + 10
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Which of the following expressions has a value of 2/5 in the picture below?
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Step-by-step explanation:

<u>Step 1:  List out all of the formulas for the trigonometric functions </u>

<em>sin(x) </em>= opposite/hypotenuse

<em>cos(x) </em>= adjacent/hypotenuse

<em>tan(x) </em>= opposite/adjacent

<u>Step 2:  Find the following expression that has a value of 2/5 </u>

sin(B) = opposite/hypotenuse = ?/5 is FALSE

cos(B) = adjacent/hypotenuse = 2/5 is TRUE

tan(B) = opposite/adjacent = ?/2 is FALSE

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