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Lerok [7]
4 years ago
13

The perimeter of a rectangle is 62cm. Find it’s length.

Mathematics
1 answer:
liubo4ka [24]4 years ago
7 0

Answer:

A.

Step-by-step explanation:

All of the other values multiplied by two would go over 62.

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Answer:

Option A

Step-by-step explanation:

When any triangle is dilated from the pre-image, its sides will never be congruent to the pre-image. However, its angles will be congruent and the triangles will be similar.

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What equation would you use to solve for x?
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Find the discriminant and determine the nature of the roots to the quadratic equation
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№17
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№18
2 x^{2} -3x+4=3 \\ 2 x^{2} -3x+4-3=0 \\ 2 x^{2} -3x+1=0 \\  \\ D= -3 ^{2} -4*2=9-8=1 \\  \\  x_{1} = \frac{3+1}{2*2} = \frac{4}{4} =1 \\  \\  x_{2} = \frac{3-1}{2*2} = \frac{2}{4} =0.5
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№19
2 x^{2} -4x-5=0 \\  D=-4 ^{2} -4*2*(-5)=16+40=56 \\  \\  x_{1}= \frac{4+ \sqrt{56} }{2*2}  = \frac{4}{4} + \sqrt{ \frac{56}{16} } =1+ \sqrt{3.5}  \\  \\  x_{2} = \frac{4- \sqrt{56} }{2*2} = \frac{4}{4} -  \sqrt{ \frac{56}{16} } =1- \sqrt{3.5} 

Answer: x₁ = 1 + √3.5
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4 years ago
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Your answer is .41, hope this helps
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