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wariber [46]
3 years ago
12

I dont get this question.

Mathematics
1 answer:
Zigmanuir [339]3 years ago
5 0

Answer:

5 1/2

Step-by-step explanation:

final

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degree 0.089

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Step-by-step explanation:

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Can anyone help me with this please
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A solar collector is 2,0 m long by 1,5 m wide. It is held in place
icang [17]

Answer:

The width of the frame is 0.0746 meters

Step-by-step explanation:

We are told that after the frame has been attached to the solar collector, the area that is left exposed is 2.5m^2  . As we see in the figure, the dimensions of this area are

(w-2x) and  (l-2x)

where x is the width of the frame.

The product of these dimensions must equal the exposed area:

(w-2x)(l-2x)=2.5m^2

Now since w=1.5m and l=2m we have:

(1.5-2x)(2-2x)=2.5

we expand this and solve for x using the quadratic formula:

4x^2-7x+3=2.5

4x^2-7x+0.5=0

we get two solutions:

x=1.6753

x=0.0746

We take the second solution i.e x=0.0746, because first one gives a width larger than the dimensions of the solar collector which cannot be possible.

Thus the width of the frame is 0.0746 meters.

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3 years ago
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Answer:2 op

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Step-by-step explanation:

4 0
3 years ago
Multiply the following using the vertical method
Svetradugi [14.3K]

Answer:

Option C is correct.

Step-by-step explanation:

We need to multiply the following terms using vertical multiplication method

 3x^2-5x+1

x x^2+2x+4

The vertical multiplication is shown in the figure attached.

The result is: 3x^4+x^3+3x^2-18x+4

So, Option C is correct.

5 0
2 years ago
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