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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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-2y-12<br> How do I show my work?????
grin007 [14]

Factor - 2y - 12

- 2y - 12

= - 2( y + 6)

answer is - 2( y + 6)

4 0
3 years ago
How much interest is earned on $2,700 in one year if it is invested at 3%?
tester [92]
On this part, you can use the formula for compound interest: 

F = P(1+i)^n 
F = future worth of $ 
P = present worth of $ 
i=interest 
n=years 

F = 2700(1+0.03)^1 
F = 2781 

<span>So interest = 2781-2700 = $81 

<span>I hope my answer has come to your help. Thank you for posting your question here in </span>Brainly<span>. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!</span>


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3 0
3 years ago
Read 2 more answers
Seven less than the product of a number and 10 is 50
Veseljchak [2.6K]
<span>product of a number and 10: 10n
</span><span>Seven less than the product of a number and 10: 10n - 7
so
</span><span>Seven less than the product of a number and 10 is 50:</span>
10n - 7 = 50
----------------------------
if you need to find the number n then
10n - 7 = 50
10n = 57
    n = 57/10
    n = 5.7
5 0
3 years ago
-6+3(2-4(-3)+6)+(-5)
FromTheMoon [43]

Answer:

43

Step-by-step explanation:

Remove parenthesis.

−6+3(2−4⋅−3+6)−5

Multiply −4 by−3.

−6+3(2+12+6)−5

Add 2 and 12.

−6+3(14+6)−5

Add 14 and 6.

-6+3(20)-5

Multiply 3 by 20.

-6+60-5

Add -6+60.

54-5

Subtract 54 and 5.

43

3 0
2 years ago
A toaster is priced at $27.00. The store is have a 1/3 off sale. What is the new price of the toaster?
pickupchik [31]

Answer:

$18

Step-by-step explanation:

Multiply

27 * 1/3 = 9

Subtract

27 - 9 = 18

Best of Luck!

4 0
3 years ago
Read 2 more answers
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