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alexandr402 [8]
3 years ago
15

B = m = Equation: y =

Mathematics
1 answer:
Komok [63]3 years ago
8 0

Answer:

..........................................

Step-by-step explanation:

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The area of the postcard is 24 square inches. What is the width b of the message (in inches)?
MAXImum [283]
Area of rectangular post card = length x width
For the given post card: 
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A scientist enlarged a circular portion of a microscope slide to make it easier to count the number of bacteria present in the s
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Answer:

Option B. 212.1\ cm^{2}

Step-by-step explanation:

step 1

Find the central angle of the shaded sector

Remember that the diameter divide the circle into two equal parts ( 180 degrees each part)

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x -----> the measure of the central angle of the shaded sector

∠x+72°=180°

∠x=180°-72°=108°

step 2

Find the area of the circle

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substitute

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step 3

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Remember that the area of the complete circle subtends a central angle of 360 degrees

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\frac{706.86}{360}=\frac{x}{108}\\ \\x=706.86*108/360\\ \\x=212.1\ cm^{2}

8 0
3 years ago
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