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Charra [1.4K]
2 years ago
7

A student determined that the area of the segment of shown above is Asegment = 137.71 ft2. The student's work is shown below. Ev

aluate the student’s answer. Asector = 75.36 ft2 Atriangle = 62.35 ft2 Asegment = Asector + Atriangle Asegment = 137.71 ft2 A. The student’s answer is correct. B. The student did not calculate the area of the sector correctly. C. The student did not calculate the area of the triangle correctly. D. The student did not use the correct formula to calculate the area of the segment.
Mathematics
1 answer:
tankabanditka [31]2 years ago
6 0

Answer:

D. The student did not use the correct formula to calculate the area of the segment.

Step-by-step explanation:

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Answer:

d^2 +2d-8=0

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so for example 4 and 2

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so now factorise:

d^2 +2d-8=0

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Step-by-step explanation:

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Simplifying
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Reorder the terms:
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Combine like terms: -10 + -1 = -11
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Add '11' to each side of the equation.
-11 + 11 + 7x = -11 + 11 + 7x

Combine like terms: -11 + 11 = 0
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7x = -11 + 11 + 7x

Combine like terms: -11 + 11 = 0
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Add '-7x' to each side of the equation.
7x + -7x = 7x + -7x

Combine like terms: 7x + -7x = 0
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Combine like terms: 7x + -7x = 0
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Solving
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Step-by-step explanation:

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