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polet [3.4K]
3 years ago
6

Which statement about the value of x is true? x > 38 x < 39 x < 77 x > 103

Mathematics
1 answer:
grigory [225]3 years ago
3 0

Answer:

Second one

Step-by-step explanation:

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Which function is a quadratic function? c(x) = 6x + 3x3 d(x) = x – 8x4 p(x) = –5x – x2 k(x) = 2x2 + 9x4
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Mkey [24]

Answer:

  x = 42

Step-by-step explanation:

The marked angles are supplementary, so their sum is 180°.

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_____

<em>Additional comment</em>

A "two-step" linear equation like this one is usually solved by subtracting the unwanted constant, then dividing by the coefficient of the variable. Here, we have done those steps in reverse order. This makes the numbers smaller and  eliminates the coefficient of the variable. Sometimes I find it easier to solve the equation this way.

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