Use absolute value to write an expression describing the size of each amount. An elevation of 250 feet.
1 answer:
Answer:
The absolute value of a number is always positive.
if x > 0 , then = x
if x < 0 , then |-x| = x
Use the absolute value.
To find an expression for: An elevation of 250 feet.
Elevation mean the height of a place above the sea level.
An elevation of 250 feet = +250
then, using absolute value:
Size of each amount,
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Answer:
m∠ADC = 132°
Step-by-step explanation:
From the figure attached,
By applying sine rule in ΔABD,
sin(∠ADB) =
= 0.74231
m∠ADB =
= 47.92°
≈ 48°
m∠ADC + m∠ADB = 180° [Linear pair of angles]
m∠ADC + 48° = 180°
m∠ADC = 180° - 48°
m∠ADC = 132°