For the function f(x) =
1 answer:
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** 3x - x -7 = 3
2x = 10
x = 5
** <span>6. 3x - 3 -x = 3
18x - 3 - x = 3
17x = 6
x = </span>
** <span>7. -1 - 2x + 3x = 5
-7 - 2x + 3x = 5
-7 + x = 5
x = 12
** </span><span>8. 3x - 22 - x = 6
24x - 22 - x = 6
23x = 28
x = </span>
** <span>9. 2x + 3x -10 = 10
18x + 3x - 10 = 10
21x = 20
x = </span>
2x = 10
x = 5
** <span>6. 3x - 3 -x = 3
18x - 3 - x = 3
17x = 6
x = </span>
** <span>7. -1 - 2x + 3x = 5
-7 - 2x + 3x = 5
-7 + x = 5
x = 12
** </span><span>8. 3x - 22 - x = 6
24x - 22 - x = 6
23x = 28
x = </span>
** <span>9. 2x + 3x -10 = 10
18x + 3x - 10 = 10
21x = 20
x = </span>
The Length of FD = 26 cm
According to the given information
FE = FC = 12cm
As FE, FC both are radius of circle
The tangent segments to a circle from a external point are equal
Hence
CD = ED
13x - 16 = 4x + 11
13x - 4x = 11 + 16
9x = 27
x = 27/9
x = 3
CD = 13x - 16
= 13 × 3 - 16
= 23 cm
ED = 4x + 11
= 4 × 3 + 11
= 23 cm
In Triangle FED
FE is perpendicular to ED
According to Pythagoras Theorem
=
= 673
FD = 26 cm approx.
The Length of FD = 26 cm
To know more about Pythagoras Theorem
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