The maximum distance (in nautical miles) that a radio transmitter signal can be sent is represented by the expression 1.23√h , w
here h is the height (in feet) above the transmitter.
Estimate the maximum distance x (in nautical miles) between the plane that is receiving the signal and the transmitter. Round your answer to the nearest tenth.
Estimate the maximum distance x (in nautical miles) between the plane that is receiving the signal and the transmitter. Round your answer to the nearest tenth.
1 answer:
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Answer:
Mega Size
Step-by-step explanation:
Given
<u>Family Size</u>
<u>Mega Size</u>
<u></u><u></u>
<u></u><u></u>
<u></u>
<u>Required</u>
Determine which has a better value
First, we calculate the unit rate of both.
For the family size:
For the mega size:
<em>By comparing the unit rates, the mega size has a better value because it costs cheaper per unit rate</em>
Area by Heron's formula:
semiperimeter = (15 + 20 + 25)/2 = 60/2 = 30 cm
The formula of the area of a triangle: Area = 1/2 * base * height
1/2 * 25 * height = 150
12.5 * height = 150
height = 150/12.5
height = 12 cm
semiperimeter = (15 + 20 + 25)/2 = 60/2 = 30 cm
The formula of the area of a triangle: Area = 1/2 * base * height
1/2 * 25 * height = 150
12.5 * height = 150
height = 150/12.5
height = 12 cm