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pishuonlain [190]
2 years ago
12

6. Sheila simplified an expression using the following steps. Which property justifies Step 3?

Mathematics
1 answer:
abruzzese [7]2 years ago
5 0

Answer:

answer is Commutative Property

Step-by-step explanation:

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Use pemdas 3 x (5 - 1) + 13 write 3 steps
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<h2>25 </h2>

Step-by-step explanation:

<h3><em>=</em><em> </em><em>3</em><em> </em><em>×</em><em> </em><em>(</em><em>5</em><em> </em><em>-</em><em> </em><em>1</em><em>)</em><em> </em><em>+</em><em> </em><em>1</em><em>3</em></h3><h3><em>=</em><em> </em><em>3</em><em> </em><em>×</em><em> </em><em>4</em><em> </em><em>+</em><em> </em><em>1</em><em>3</em></h3><h3><em>=</em><em> </em><em>1</em><em>2</em><em> </em><em>+</em><em> </em><em>1</em><em>3</em></h3><h3><em>=</em><em> </em><em>2</em><em>5</em></h3>

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3 years ago
2.1.28
gulaghasi [49]

Answer:

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Step-by-step explanation:

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How do I do this? Help!
Hitman42 [59]
Notice the picture below

you have two triangles, and you have the opposite and adjacent sides

thus, recall your SOH CAH TOA   \bf sin(\theta)=\cfrac{opposite}{hypotenuse}&#10;\qquad \qquad &#10;% cosine&#10;cos(\theta)=\cfrac{adjacent}{hypotenuse}&#10;&#10;\\ \quad \\\\&#10;% tangent&#10;tan(\theta)=\cfrac{opposite}{adjacent}

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the angle
the opposite
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is Ms Tangent, so lets ask her some

\bf tan(29^o)=\cfrac{x}{y}\implies y\cdot tan(29^o)=x&#10;\\\\\\&#10;tan(25^o)=\cfrac{x}{100-y}\implies (100-y)tan(25^o)=x\\\\&#10;-----------------------------\\\\&#10;x=x\qquad thus\qquad  y\cdot tan(29^o)=(100-y)tan(25^o)

solve for "y"

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A group of numbers symbols and operate is known as a
vesna_86 [32]
<span>that is expression and you can,t really get anything else!!!</span>
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