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Norma-Jean [14]
3 years ago
12

3m^2-7m-40=0 solve by factoring

Mathematics
1 answer:
Natalija [7]3 years ago
8 0
........................

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Help again please papi
const2013 [10]
By the way your X is my C. The Pythagorean theorem is a^2+b^2=c^2. A is 12, and b is 16, you would first plug them in. 12^2+16^2=c^2. So then you square them. You would then get 144+256=c^2. So now you add and get 400=c^2. Now find the square root of both sides to get just c. The square root of 400 is 20 and the square root of c^2 is just c. So that means 20=c or in your case x=20.
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4 years ago
Need help with this problem please!!!!
katrin2010 [14]
Simply find perimeter for fencing, which is 16+16+8+8 which equals 48. The area is needed for finding the garden area, which is 16*8, which is 128 
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3 years ago
The graphs below have the same shape. what is the equation o the red graph?
maw [93]

So the equation of the red graph is already given to us: f(x) = x^2. I assume you meant the blue graph?

We can use the vertex form: y = a(x - h)^2+ k, where (h,k) is the vertex. (We can ignore a because a is 1 for this graph.) Remember that the vertex is the maximum or minimum of a parabola and the point that the line of symmetry passes through. For f(x) the vertex is (0,0).

The vertex for g(x) is at (-4, -2) on the coordinate plane. (4 left, 2 down)

Plug into the vertex form:

y = (x - (-4))^2 -2

The double negative becomes a positive, and then you're done:

y = (x + 4)^2-2

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otez555 [7]

number 1 is the answer circle FA

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Do not know sorry.......

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