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Musya8 [376]
3 years ago
8

What are the solutions to m2 – 9 = 0?

Mathematics
2 answers:
stiv31 [10]3 years ago
4 0

Answer:

m=-3

Step-by-step explanation:

m2-9=0

2 divied by 9 =3

when you have a positive number and a negitive number =a negitive

I think you get the point

STALIN [3.7K]3 years ago
4 0

Answer:

m = –3 and m = 3

Step-by-step explanation:

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g(x) = 2x^2-9 is a parabola having vertex at (0, -9) and opening upwards. 
By symmetry, let the x-coordinates of the vertices of rectangle be x and -x => its width is 2x. 
Height of the rectangle is y1 + y2, where y1 is the y-coordinate of the vertex on the parabola f and y2 is that of g.
 => Area, A 
= 2x (y1 - y2) 
= 2x (18 - x^2 - 2x^2 + 9) 
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For area to be maximum, dA/dx = 0 and d²A/dx² < 0 
=> 54 - 18x^2 = 0 
=> x = √3 (note: x = - √3 gives the x-coordinate of vertex in second and third quadrants) 

d²A/dx² = - 36x < 0 for x = √3 
=> maximum area 
= 54(√3) - 6(√3)^3 
= 54√3 - 18√3 
= 36√3. 
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2 years ago
How do you find which function has a greater rate of change?
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3 years ago
PLZ HELP ME WITH GEOMETRY
Aloiza [94]

B a counterclockwise rotation about the origin of 90°

under a counterclockwise rotation about the origin

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figure Q to figure Q'

( 4,2 ) → (- 2, 4 )

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3 years ago
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8 0
3 years ago
Read 2 more answers
The point C(2,3) is translated along a vector that is parallel to the line y=3x-2. The translation vector has magnitude square r
qaws [65]

Step-by-step explanation:

The translation vector v can be resolved into its x and y components, where x² + y² = 10 (Pythagoras' Theorem) and y = 3x

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4 0
2 years ago
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