the charge to rent a car is $80 per day plus 15 cents per mile driven. what is the cost to rent a car that is driven n days and
1 answer:
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Given
Area of the regular pentagon is 6.9 cm².
Find out the perimeter of a regular pentagon
To proof
Formula
Area of regular pentagon is
As given in the question
area of regular pentagon = 6.9 cm²
now equating the area value with the area formula.
Now put
√5 = 2.24 ( approx)
put in the above equation
thus
a² = 4.01
a = √ 4.01
a = 2.0 cm ( approx)
As perimeter represented the sum of all sides.
i.e regular pentagon have five sides of equal length.
Thus
perimeter of the regular pentagon = 5 × side length
= 5 ×2.00
therefore the perimeter of the regular pentagon = 10cm
option c is correct
Hence proved
Answer:
c) Either A or B or both occur.
Step-by-step explanation:
Suppose that we have two events
Event A
Event B
We have that:
In which a a happens and b does not and is the probability that aboth events happen
By the same logic, we have that:
The union of events A and B is:
Which includes either one of them or both.
So the correct answer is:
c) Either A or B or both occur.
Answer:
Stain required to stain the ramp = 2 quarts
Step-by-step explanation:
Area of the wheelchair ramp to be stained = Surface area of the ramp - Area of the rectangular base
Surface area of the ramp = 2(area of the triangular base) + (perimeter of the base)(height)
Area of the triangular base =
=
= in²
Perimeter of the triangular base =
= 25 + + 25 +
= 50 +
= 50 +
= ft
Surface area of the ramp = +
- 25×5
=
=
= 187.92 square feet
Since, 100 square feet area is covered by the stain = 1 quart
Therefore, 187.92 square feet will be covered by the stain =
= 1.8792
≈ 2 quarts