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anastassius [24]
2 years ago
5

Can someone please prove that the expression (x-y)+(y-z)+(z-x) is equivalent to 0

Mathematics
1 answer:
ELEN [110]2 years ago
5 0

Answer:

see below

Step-by-step explanation:

(x-y)+(y-z)+(z-x)\\\\=x-y+y-z+z-x\\\\=(x-x)+(-y+y)+(-z+z)\\\\=0+0+0\\\\=0

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Two-ninths of a number is less than or equal to negative thirteen
polet [3.4K]

the number is x

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divide both sides by 2

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2 years ago
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murzikaleks [220]

Answer:

C

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3 years ago
Paige and Cindy have been saving money. Paige started with $350 in her savings and deposits $25 into her savings each week. Cind
LUCKY_DIMON [66]

Answer:

D. 11

Step-by-step explanation:

T = total savings

w = number of weeks

Paige:

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Cindy:

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Collect like terms

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w = 160/15

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Approximately,

In 11 weeks, will Cindy have more money in her savings than Paige

Check:

Paige:

T = 350 + 25w

= 350 + 25(11)

= 350 + 275

= 625

Cindy:

T = 190 + 40w

= 190 + 40(11)

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= 630

3 0
3 years ago
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dimaraw [331]
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6 0
3 years ago
Study the Proof Given.
andrezito [222]
Given that B is the midpoint of line AC and line BC is congruent to line DE.

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     Statement                                                   Reasons

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3 0
3 years ago
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