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Tcecarenko [31]
3 years ago
7

Where does f(x) = 3x2 – 11x - 4 intersect the x-axis?

Mathematics
2 answers:
Ludmilka [50]3 years ago
6 0

Answer:

(-11+/-sqrt(73))/6         I might be wrong though

Step-by-step explanation:

The line will intersect the x-axis when y is 0, so you set the left side to 0(f(x) can be replaced by y), then you plug in the numbers into the quadratic equation, and finally solve the equation for the awnser.

Elanso [62]3 years ago
6 0

Answer:

The negative x-intercept is at (-1/3 , 0).

The positive x-intercept is at (4 , 0).

Step-by-step explanation:

this is correct on edge 2020

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denis23 [38]

The value of interior angle x for the given pentagon if found as 88 degrees.

<h3>What is termed as the pentagon?</h3>
  • A pentagon is a two-dimensional polygon with 5 sides and 5 angles.
  • This shape should have five sides and form a closed two-dimensional figure.
  • A closed figure consists of each of its sides intersecting to form vertices.
  • Five diagonals connect the five vertices to one‘s opposite vertices in a pentagon shape.
  • Each interior angle in a regular pentagon is 108°, so each exterior angle is 72°.

For the given question;

The exterior angles of the pentagon are given in figure.

Find all the interior angles for given angles using linear pair as all are straight lines.

  • 180 - 62 = 118
  • 180 - 33 = 147
  • 180 - 114 = 66
  • 180 - 59 = 121

The sum of all the interior angle of pentagon is 540.

Thus,

118 + 147 + 66 + 121 + x = 540

x = 540 - 452

x = 88

Thus, the value of interior angle x for the given pentagon if found as 88 degrees.

To know more about the pentagon, here

brainly.com/question/25917702

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Elza [17]

Answer:

80%

Step-by-step explanation:

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Paha777 [63]

Answer:-10

Step-by-step explanation:

45 +5=-5x

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saul85 [17]

Answer:

(-2,-1)

Step-by-step explanation:

(-1,2) ---->> (-2,-1)

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55 as 90-35=55. The angle marked indicates that the measure of a whole angle must be 90.
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