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vovangra [49]
2 years ago
7

Graphically, a point is a solution to a system of two inequalities if and only if the point

Mathematics
1 answer:
AnnyKZ [126]2 years ago
7 0

9514 1404 393

Answer:

  (c)  lies in the shaded regions of both the top and bottom inequalities.

Step-by-step explanation:

A point that is a solution to the system must be a solution to all of the inequalities in the system. It must lie in the shaded regions of both.

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B) 1267.63

Use technology for part A.

Using the equation from part A, substitute 20 in place of x:
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6 0
3 years ago
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When placed end to end, three red rods are 2 cm longer than than 2 blue rods. Three blue rods are 2 cm longer than four red rods
Oxana [17]

Answer:

Red = 10 cm, blue = 14 cm

Step-by-step explanation:

<em>Let the length of each red rod be </em><em>r </em><em>and each blue rod be </em><em>b</em>

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<u>Multiply the first equation by 3 and the second one by 2:</u>

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<u>Add the equations to eliminate one of variables:</u>

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5 0
3 years ago
Is x = 1/2 a solution of 6 x − 8 = −5 ?
Igoryamba

Answer:

Yes

Step-by-step explanation:

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Translate “Twelve less than two-thirds a <br> number is 48” into an equation.
Vlad1618 [11]
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