Ralph is leasing a car worth $24,000 for three years. His leasing company says that the car Ralph is leasing will only be worth
2 answers:
Answer:
The answer is C. 33%
Step-by-step explanation:
The car was worth $24,000, being this the original value, after three years the car will be worth $16,000.
Therefore to know the percentage of the car’s original value will Ralph need to pay as part of his lease, we need to know the difference between the original value and the new value.
24,000-16,000= $8000.
And the percentage can be calculated dividing the difference by the original value of the car.
Therefore the percentage will be 33%
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Answer:
96 ft²
Step-by-step explanation:
The general formula for the surface area of a pyramid is:
SA = pl + B, were p = the perimeter of the base, l = the slant height and B = the area of the base
Since the area of the base is 36 ft², then each side is √36, or 6 ft. The perimeter is the sum of all the sides, so 6 x 4 = 24 ft.
Given the overall height of the pyramid is 4 feet, you can use the Pythagorean Theorem (a² + b² = c²) to find the slant height (hypotenuse) of the pyramid. Using 3 feet for 'a' and 4 feet for 'b':
3² + 4² = c² or 9 + 16 = 25
25 = c² or c = 5
SA = (24)(5) + 36
SA = 60 + 36 = 96 ft²