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Luda [366]
3 years ago
11

A public beach in Florida charges non residents $8 per day for a fishing license and $2.50 per day for live bait. Florida reside

nts pay an anual fee of $114 plus $1 per day for live bait. How many days must both a resident and a non resident use the beach in one year so that both pay the same amount? Show all work.
Mathematics
1 answer:
melamori03 [73]3 years ago
3 0

For a non-resident:

C_{nr}=8d+2.5d=10.5d

For a resident:

C_{r}=114+1d

We want to know the number of days d such that the two costs are equal ie \{d|C_{nr}(d)=C_{r}(d)\}

To do this set the two costs equal to each other:

C_{nr}=C_{r}

10.5d=114+1d

And solve for d:

10.5d-1d=114+1d-1d

9.5d=114

d=\frac{114}{9.5}

d=12

The costs will be equal when a resident and a non-resident each use the beach for 12 days.



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George and Carmen went on a bicycle trip. they took a bus to their starting point, and then biked the rest. they traveled 325 ki
chubhunter [2.5K]
In the question there are numerous information's of immense importance already given. Let us write them down first
Distance traveled by bike = x km
Distance traveled by bus = y km
Total distance traveled by George and Carmen = 325 km
Then
x + y = 325
Another equation can be determined by
x - y = 75
x = y + 75
Now we will put the value of x in relation to y in the first equation.
x + y =325
y + 75 + y = 325
2y = 325 - 75
2y =250
y = 250/2
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Now putting the value of y in equation given below, we get
x + y = 325
x + 125 = 325
x = 325 - 125
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So the distance they biked is 200 km and the distance they traveled by bus is 125 km.
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(Problem on image.)...
ANEK [815]
Hey there! :) 

In order to the find the missing side length of this triangle, we'll need to use the Pythagorean Theorem! 

That equation is : a² + b² = c²

a = adjacent side

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c = hypotenuse

We're already given the values of both a & c, so let's plug everything in! 

a² + b² = c²  → a = 10 , b = ? , c = 20

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Subtract 100 from both sides.

b² = 400 - 100

Simplify.

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Get the square root of b² & 300.

\sqrt{b^2} =  \sqrt{300}

Simplify!

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So, the missing side length is the first answer choice : 17.3

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Answer:

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