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Setler79 [48]
3 years ago
7

How to solve the system of 4x+2y-5z=47

Mathematics
2 answers:
MrRa [10]3 years ago
6 0
The answer is x=47/4-y/2+5z/4
sergij07 [2.7K]3 years ago
3 0
Are you looking for x,y, or z
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A carton of one dozen eggs costs $1.92. What is the unit price of each egg?
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Answer:

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Step-by-step explanation:

unit price = price of carton / number of eggs

unit price = $1.92/12

unit price = $0.16

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1 year ago
Someone please say the correct answer!
algol [13]
2nd, 4th, and 5th answers are correct
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Jen is planning a trip to France. The exchange rate is 3 Euros for $4. How many Euros will she get if she exchanged $28? DO NOT
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2 years ago
Please help really confused on all
ollegr [7]
\left \{ {{x - y = 1.50} \atop {40x + 40y = 940}} \right.  
 \\ \\
*x - y = 1.50

x = 1.50 + y

*40x + 40y = 940
40 (1.50 + y) + 40y = 940
60 + 40y +40y = 940
60 + 80y = 940
80y = 940 - 60
80y = 880
y = 880/80
y = 11

*
x - y = 1.50
x - 11 = 1.50
x = 1.50 + 11
x = 12.5

x=DAVID
Y=PETER
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