At 12:00 AM (hour 0 of the day) the tide at a certain beach was at its lowest level of the day: 1.0 feet. At 6:00PM (hour 18 of
the day) the tide at a certain beach was at its highest level of the day: 2.0 feet. Assuming that this tide follows a sinusoidal model, about how high would you expect the tide to be at noon?
1 answer:
Answer:
<h2>At noon the tide will be at the lowest point which is 1 ft </h2>Step-by-step explanation:
please see attached a sketch of the solution for your reference
What is a sinusoidal wave?
Alternatively called a sine wave is a type of wave that shows a repetitive pattern or oscillation, it normally starts from a low point moves to the next point which is usually higher than the previous and repeats itself as the whole process continues
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Answer:
7986 m²
Step-by-step explanation:
The figure is a trapezium with area (A) calculated as
A = h (a + b)
where h is the height and a, b the parallel bases
Here h = 66, a = 102 and b = 140, thus
A = × 66 × (102 + 140) = 33 × 242 = 7986 m²
Answer:
(a)20
(b)Elastic
(c)8
(d) Elastic
Step-by-step explanation:
Elasticity of demand(E) indicates the impact of a price change on a product's sales.
The general formula for an exponential demand curve is given as:
Given the demand curve formula
The formula for Elasticity of demand, E
(a)When Price, p = $50
p=50
Therefore:
(b)At p = $50, Since elasticity is greater than 1, the demand is elastic.
An elasticity value of 20 means that a 1% increase in price causes a 20% decrease in demand.
(c)At p=$20
p=20
Therefore:
(d)At p = $20, the demand is elastic.
An elasticity value of 8 means that a 1% increase in price causes a 8% decrease in demand.