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notka56 [123]
3 years ago
10

Maria cut a rectangular piece of fabric. The area was 8/10 of a meter. The width was 6/10 of a meter. What was the length of the

fabric?

Mathematics
1 answer:
Anettt [7]3 years ago
6 0

Answer:

its A  

Step-by-step explanation:

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I think it’s 4 1/2.
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3 years ago
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The graph of a sinusoidal function intersects its midline at (0,5) and then has a maximum point at (\pi,6)
Musya8 [376]
First, let's use the given information to determine the function's amplitude, midline, and period. 

Then, we should determine whether to use a sine or a cosine function, based on the point where x=0.

Finally, we should determine the parameters of the function's formula by considering all the above.
     
                      Determining the amplitude, midline, and period 

The midline intersection is at y=5 so this is the midline. 

The maximum point is 1 unit above the midline, so the amplitude is 1. 

The maximum point is π units to the right of the midline intersection, so the period is 4 * π.
 
                            Determining the type of function to use 

Since the graph intersects its midline at x=0, we should use thesine function and not the cosine function. 

This means there's no horizontal shift, so the function is of the form -

a sin(bx)+d

Since the midline intersection at x=0 is followed by a maximumpoint, we know that a > 0.

The amplitude is 1, so |a| = 1. Since a >0 we can conclude that a=1. 

The midline is y=5, so d=5. 

The period is 4π so b = 2π / 4π = 1/2 simplified. 

f(x)1 sin 1/3x+5 = Solution
5 0
3 years ago
Solve by completing the square:<br> x2 + 10x = 75
GuDViN [60]

Answer:

x= -15, 5

Step-by-step explanation:

x²+10x-75=0

x²+15x-5x-75=0

(x+15)(x+5)=0

x= -15 and x=5

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3 years ago
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vova2212 [387]

Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

3(2x - 4) = 4(x + 2)

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 -4x          -4x

  2x - 12 = 8

       +12  +12

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