3 years ago

Solve by elimination: 3x+7y=23 -3x-7y=-17

Mathematics

1 answer:

Elanso [62]3 years ago

5 0

Answer:

there is no solution

Step-by-step explanation:

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kykrilka [37]

Answer:

72°

Step-by-step explanation:

This is called an isosceles triangle. This means that the 2 angles related to the equal sides, are also equal. Hence, the answer is 72°

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3 years ago

Select the two values of x that are roots of this equation.

VMariaS [17]

Answer:

x = 2, -3

Step-by-step explanation:

$x^2 + 2x- 6 = 0\\=>x^2 +3x - 2x- 6 = 0\\=>x(x+3) - 2(x +3) = 0\\=> (x-2)(x+3) = 0\\\\$

(x-2) = 0 or (x+3) = 0

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Thus, two values of x are x = 2, -3

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3 years ago

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Rama09 [41]

Answer:

Answer:

3x + 3y = 0

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Step-by-step explanation:

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3 years ago

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timofeeve [1]

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