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MAXImum [283]
2 years ago
7

The roots of the equation x2 - 14x + 48 = 0) are

Mathematics
1 answer:
MrRissso [65]2 years ago
5 0

Answer:

{x}^{2}  - 14x + 48 = 0 \\  {x}^{2}  - 6x -8 x + 48 = 0 \\ x(x - 6) - 8(x - 6) = 0 \\ (x - 6)(x - 8) = 0 \\ \boxed{ x = 6\: and \: 8}

  • 4) <em><u>6 and 8</u></em> is the right answer.
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Parallelogram BCDE with vertices B(2, -3), C(6,-4), D(7.-6), and E(3.-5):
Klio2033 [76]
Rotation 270 counterclockwise about origin is easy, swap the x and y then reverse the sign of the y
so (x, y) rotates to (y, -x)
Sadly to change the centre we need to translate the centre to the origin, rotate and the translate back.
In this case that means adding -1, 2 to x,y respectively, rotating, adding 1, -2 to x,y respectively

B(2, 3) translates to (1, 5) which rotates to (5, -1) and translates back to B’(6, -3)
C(6, -4) translates to (5, -2) which rotates to (-2, -5) and translates back to C’(-1, -7)
D(7, -6) translates to (6, -4) which rotates to (-4, -6) and translates back to (-3, -8)
E(3, -5) translates to (2, -3) which rotates to (-3, -2) and translates back to (-2, -4)

The translation is much easier simply moving each point 8 to the right
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5 0
3 years ago
I require assistance with this problem.<br> Solve for X:<br> 5/10 + 1/x = 5/6
BabaBlast [244]

Answer:

x = 3

Step-by-step explanation:

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1/2 + 1/x = 5/6

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Cross multiply:

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Expand out terms of the left hand side:

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Subtract 10 x + 12 from both sides:

-4 x = -12

Divide both sides by -4:

Answer:  x = 3

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Answer:

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Step-by-step explanation:

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3 years ago
First right answer will get brainlist
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Answer is 4 .............
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3 years ago
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Is it number 21 you need help with?
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