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Greeley [361]
3 years ago
11

Last question needed for mastery please help thank you!

Mathematics
1 answer:
liraira [26]3 years ago
5 0
A= P(1+r)^t, where P= initial value, r= interest rate in %, and t = number of years.
However, if there isa decrease in value, the formula becomes:

A= P(1-r)^t and in our case :

A = 30,000(1- 0.24)^t  OR A = 30,000(0.76)^t



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Simplify 7-5x-(3+5x)​
galben [10]

Answer:

-10x +4

Step-by-step explanation:

8 0
3 years ago
Explain your answer !! <br> Have a nice day <br><br> Will give braisnlt
Stels [109]
The answer is B because in total you there are 15 bicycles and tricycles so b +t =15
Bicycles have 2 wheels and tricycles have 3 wheels so 2b + 3t = 45
6 0
3 years ago
The American Community Survey showed that residents of New York City have the longest travel times to get to work compared to re
LiRa [457]

Answer:

The probability it will take a resident of the city between 17.24 and 42.13 minutes to travel to work is 0.3046.

Step-by-step explanation:

The random variable <em>X</em> can be defined as the travel times to get to work.

The expected travel time is, <em>μ</em> = 38.3 minutes.

The distribution of random variable <em>X</em> can be defined as the distribution of time interval between which a person reaches their work place at a constant average rate.

This implies that <em>X</em> follows an Exponential distribution with parameter, \lambda=\frac{1}{\mu}=\frac{1}{38.3}.

The probability density function of <em>X</em> is:

f_{X}(x)=\lambda e^{-\lambda x};\ x\geq 0

Compute the probability it will take a resident of the city between 17.24 and 42.13 minutes to travel to work as follows:

P(17.24\leq X\leq 42.13)=\int\limits^{42.13}_{17.24}{\frac{1}{38.3} e^{-x/38.3}}}\, dx

                                   =\frac{1}{38.3}\times \int\limits^{42.13}_{17.24}{ e^{-x/38.3}}}\, dx

                                   =\frac{1}{38.3}\times| \frac{e^{-x/38.3}}{-1/38.3}}|^{42.13}_{17.24}\\

                                   =-e^{42.13/38.3}+e^{17.34/38.3}\\=-0.3329+0.6375\\=0.3046

Thus, the probability it will take a resident of the city between 17.24 and 42.13 minutes to travel to work is 0.3046.

6 0
3 years ago
Express 0.1201201 in p/q form
Helen [10]

Answer:

Step-by-step explanation:

its either

10081/9

1201/1000

1201201/10000000

i hope its one of these

3 0
3 years ago
Can someone help me please
Anni [7]
Rise = 4
Run = 5
Slope = 4/5
5 0
3 years ago
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