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Tju [1.3M]
3 years ago
7

Is 2x+7y=-12 linear or nonlinear

Mathematics
2 answers:
Hoochie [10]3 years ago
8 0

Answer: If you mean the mapping y(x) := 3x+4, then y(x) is not linear, because it does not satisfy the two properties of linearity. Only equations of the form y(x) := ax (for "a" being any real or complex number) are linear. Don't be confused with the plot of the graph of y(x) = 3x+4 being a line - this does not mean linear in the sense of the definition in Linear Algebra. Some authors define such function as "affine-linear".

skad [1K]3 years ago
3 0

Answer:

If you plot this on a graph it would be a linear equation...

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A triangle has a perimeter of 126 centimeters. The 2 longer sides are 3 times as long as the shortest side. Find the length of e
Vladimir [108]

The shorter side of the triangle is 18 cm and each of the longer sides are 54 cm

<u>Solution:</u>

Given that triangle has perimeter of 126 cm

Let the length of the shorter side of the triangle be "a"

The 2 longer sides are 3 times as long as the shortest side

So length of 2 longer sides = 3(length of the shorter side)

length of 2 longer sides = 3a

<em><u>The perimeter of triangle is given as:</u></em>

perimeter of triangle = length of the shorter side + length of 2 longer sides

perimeter of triangle = a + 3a + 3a

126 = a + 3a + 3a

7a = 126

a = 18

So length of shorter side = 18 cm

length of 2 longer sides are each = 3a = 3(18) = 54 cm

Thus, the shorter side of the triangle is 18 cm and each of the longer sides is 54 cm

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3 years ago
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Elina [12.6K]

Hi

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Sarah purchased 43.11 worth of coffee that sold for 23.95 per pound. How many pounds of coffee did Sarah buy?
ArbitrLikvidat [17]

Answer:

1.8

Step-by-step explanation:

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3 years ago
Cual es la mitad de 1/4 kg de miel​
Evgesh-ka [11]

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Step-by-step explanation:

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3 years ago
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HELP DUE IN 15 MINS!
boyakko [2]

Answer:

r = 2\sqrt{5}

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Is this a live test question or a homework question?

Step-by-step explanation:

the radius is the distance between (3, 2) and (5, -2)

r^{2} = {(3 - 5)^{2} + (2 + 2)^{2}  }

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