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3 years ago

7

Raisa’s office is on the sixth floor of a building. From her office, she took the elevator down eight floors to the parking gara

ge. Which number represents the distance and direction of her trip from the parking garage to the ground floor of the building?–8

2 answers:

mash [69]3 years ago

7 0

Answer:

(C) 2

May nilbin be with you

Dmitry_Shevchenko [17]3 years ago

6 0

Answer:

8

Step-by-step explanation:

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3 years ago

-BRAINLIEST IF ANSWERED RIGHT-

inn [45]

Answer:

<u>Part A</u>:

$x\in \mathbb{R}$ ( $x$ is equal to all real numbers)

<u>Part B</u>:

$5+(-4)-12=-4-7,\\-11=-11\:\checkmark,\\\\5+0-12=0-7,\\-7=-7\:\checkmark,\\\\5+5-12=5-7,\\-2=-2\:\checkmark$

Step-by-step explanation:

<u>Part A</u>:

Given $5+x-12=x-7$ , combine like terms:

$x-7=x-7$

Add 7 to both sides:

$x=x$

Since this is merely a true statement for all real numbers (reflexive property), this equation is true for any real value of $x$ .

Therefore,

$x\in \mathbb{R}$ ( $x$ is equal to all real numbers).

<u>Part B</u>:

Using arbitrary values $x=-4, x=0, x=5$ as requested in part B, verify:

$5+(-4)-12=-4-7,\\-11=-11\:\checkmark,\\\\5+0-12=0-7,\\-7=-7\:\checkmark,\\\\5+5-12=5-7,\\-2=-2\:\checkmark$

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3 years ago