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nlexa [21]
3 years ago
5

It costs $7.15 to rent a kayak for 1 hour at a local state park. The price per hour stays the same for up to 5 hours of rental.

After 5 hours, the cost decreases to $5.75 per hour.
How much would it cost to rent a kayak for 6 hours?
Mathematics
2 answers:
anygoal [31]3 years ago
6 0

Answer:

7.15 times 5 plus 5.75=$41.5

Step-by-step explanation:

Mrac [35]3 years ago
5 0

Answer:

$41.50

Step-by-step explanation:

  1. Multiply 7.15 by 5. This represents how much it costs for the first 5 hours.
  2. Add 5.75 to the product. This is the extra hour with the reduced price.
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-4r>16 I have to solve this for my math hw
WITCHER [35]

Answer:

r<-4

Step-by-step explanation:

when inequality is divided by a negative number the sign changes to next direction.

6 0
3 years ago
PLEASE HELPpppppppppppp
Misha Larkins [42]

♫ - - - - - - - - - - - - - - - ~Hello There!~ - - - - - - - - - - - - - - - ♫

➷ Only the second one because only that one has -5, 5  going through it

✽

➶ Hope This Helps You!

➶ Good Luck (:

➶ Have A Great Day ^-^

DOGE

8 0
3 years ago
How long does it take for an investment to quadruple in value if it is invested at 11% compounded
defon

Let's assume we have $100 and an interest rate of 7%. For the $100 to quadruple it means that the future value would be $400. Thus, because we are talking about compounding daily we will set us the equation as follows:

100 * (1+1.07)x = 400

Then we will take 400 and divide it by 100 getting:

1.07X = 4

Now we have encountered a problem where we do not know exponent, so we will use logarithm to calculate such and transform our equation to: Log1.07(4)=X

Using our calculator we will find that it takes about 20.4895 days to quadruple the money invested under 7% interest rate compounded daily.

2nd: Using the same $100 but with the rate of 5.5% compounded continuously we will be using A=PERT formula

where:

P (principal) is equal to hypothetical $100

E (e) is a mathematical constant, which is approximately 2.718

R (rate) is the interest rate, in our case it is 5.5%

T (time) is the time required for money to grow

A (amount) is the final amount desired, which is 4 times larger of $100, thus $400

We have the following:

400 = 100 * e0.055t

400/100 = e0.055t

4 = e0.055t

Then we will apply natural log to both sides of the equations and get the following:

ln(4) = ln(e0.055t)

Since e is the base of ln(x) the equation simplifies to:

ln(4) = 0.055t

Using the calculator to find ln(4) we are getting:

1.38629 = 0.055t

Lastly find t

t = 1.38629/0.055

t = 25.20535202

Plug the answers back to the original equation to verify the answers.

1st part of the question answer: t = 20.4895

2nd part of the question answer: t = 25.20535202

3 0
3 years ago
Solve for the variable in the following proportion 4/7 = x/161
Bess [88]
We want to solve
4/7 = x/161

Cross multiply.
7x =(4)(161) = 644

Divide each side by 7.
x = 644/7 = 92

Answer:  x = 92
4 0
3 years ago
Read 2 more answers
The Martins bought a house this year for $300,000. If the value of the house rises 4% each year, what will be the approximate va
tigry1 [53]
I believe it’s 30,180,000

First do 4% -> 0.04x15=0.6
0.6+100=100.6x300,000

But then again I’m not too sure so double check
6 0
3 years ago
Read 2 more answers
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