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Leni [432]
3 years ago
8

Let a(x) be the amount of money remaining on Hillary's gift card after purchasing x apps on her phone.

Mathematics
2 answers:
Contact [7]3 years ago
6 0

Answer:

35, 35, & 12.

Step-by-step explanation:

i did the test and i got it right :D

Annette [7]3 years ago
3 0

Answer:

she purchased 12 apps costs 12 *1.25 = 15 . So , she spent 15 ... Since a(12) = 35, Hillary will have 35 dollars remaining on her card after purchasing 12 apps.

Step-by-step explanation:

hopefully this helps

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Answer:

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Inconsistent system of equation consists of equations whose graphs do not intersect (they are parallel lines) and there is no solution.
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Let us analyze the equations:
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</span>2x+4y+6z=60 (2)
<span>x+2y+3z=60   (3)
We can divide the first one by 5 </span><span>to obtain the same left side as in equation (3), and to see if they are dependent:
x+2y+3z=12
</span>which is not the same as <span>x+2y+3z=60.
</span>They are not dependent (they are independent).<span>

We can divide the second one by 2 to obtain the same left side as in equation (3), and to see if they are dependent:
</span><span>x+2y+3z=30 (2) divided by 2
which is not the same as </span><span>x+2y+3z=60. They are not dependent (they are independent).

The graphs of the three functions are parallel so, they are inconsistent.
Solution: inconsistent and independent


</span>




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