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earnstyle [38]
3 years ago
6

What type of system is the following set of equations?

Mathematics
1 answer:
iVinArrow [24]3 years ago
7 0
-3x+y=-2 \\
y-4=-6x \ \ \ |\times (-1) \\ \\
-3x+y=-2 \\
\underline{-y+4=6x} \\
-3x+y-y+4=6x-2 \\
-3x+4=6x-2 \\
-3x-6x=-2-4 \\
-9x=-6 \\
x=\frac{-6}{-9} \\
x=\frac{2}{3} \\ \\
y-4=-6 \times \frac{2}{3} \\
y-4=-4 \\
y=-4+4 \\
y=0 \\ \\
(x,y)=(\frac{2}{3},0)

The system has one solution so it's A. consistent and independent.
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How many thousands are in 327,412?
Alexxandr [17]

Answer:

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Step-by-step explanation:

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The exponential decay graph shows the expected depreciation for a new boat, sell g for $3500, over 10 years.
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Okay, the exponential function is
g = a^{x}
The start price of it in t=0 is 3,500, as we can see on the graph. Then, the function becomes
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Let's see at t=2, where the price is g=2000:
2000 =  3500^{x}
Take natural logarithm:
ln 2000 = ln  3500^{x}
x*ln 3500 = ln 2000
x = \frac{ln 2000}{ln 3500} = 0.93
So, the difference between t=0 and t=2 is
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So, the final equation is
g =  3500^{1-0.035t}
You can insert any t and see that it is correct, for example t=7
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3 years ago
What does the A equal to in a + (-7) = 3
Korolek [52]
A = 10

Step by step

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