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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2.1.28

gulaghasi [49]

Answer:

Binomial, degree two

Step-by-step explanation:

It has only two x terms and the degree is determined by either the degree or power of the first variable or the highest power/degree in the whole expression

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3 years ago

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}
\qquad \qquad 
% cosine
cos(\theta)=\cfrac{adjacent}{hypotenuse}

\\ \quad \\\\
% tangent
tan(\theta)=\cfrac{opposite}{adjacent}$

anyhow.. the one that has only
the angle
the opposite
and the adjacent

is Ms Tangent, so lets ask her some

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

solve for "y"

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2 years ago

A group of numbers symbols and operate is known as a

vesna_86 [32]

that is expression and you can,t really get anything else!!!

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I don’t know how to do this someone help

tangare [24]

The next time this will happen again is when its turn 11:11

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