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Lilit [14]
3 years ago
7

The system shown is____.equivalentindependentinconsistent

Mathematics
1 answer:
Yuri [45]3 years ago
8 0
I believe it is equivalent!
Hope this helps! :)
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Answer:

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Find the length of an arc of an 8" radius circle if the arc measures 45°.
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4 0
3 years ago
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A store sells Brazilian coffee for $10 per lb. and Columbian coffee for $14 per lb. If the store decides to make a 150-lb. blend
Artemon [7]

Answer:

The store should use 112.5 pounds of Brazilian coffee and 37.5 pounds of Colombian cofee.

Step-by-step explanation:

Let "b" be the amount of Brazilian coffee, in pounds, required for the blend and "c" the amount of Colombian coffee required, in pounds.

Since there are two unknown variables a two-equation system is needed to solve the problem, we can set up one equation for weight and another for price as follows:

b+c=150\\10*b+14*c=11*150

Solve for "c" by multiplying the first equation by -10 and adding it to the second one:

b+c=150\\10b+14c -10b-10c=11*150 -(10*150)\\4c=150\\c = 37.5

Now, solve for b by replacing the value obtained into the first equation

b+c=150\\b= 150 - 37.5\\b=112.5

The store should use 112.5 pounds of Brazilian coffee and 37.5 pounds of Colombian cofee.

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3 years ago
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r-ruslan [8.4K]

Answer:

2

Step-by-step explanation:

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2 years ago
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