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marissa [1.9K]
3 years ago
7

Use the numbers from the original example: $1,000 invested at a 2% interest rate compounded n times per year. Compare the change

in P as n increases. Fill in the table. Use a calculator and write the values to 5 decimal places.
n
1.) 1 (once per year)
2.) 4 (every 3 months)
3.) 12 (every month)
4.) 52 (every week)
5.) 365 (every day)

P=Po(1+ r/n) is the equation used
[o=0 placed at the bottom of the P]
Will mark as brainliest!!
Mathematics
1 answer:
damaskus [11]3 years ago
4 0
Given:
P₀ = $1000, the principal
r = 2% = 0.02, the APR

Let the duration be 1 year 
n =  number of compounding intervals per year.
The value after 1 year is
A=P_{0}(1 +  \frac{r}{n} )^{nt} = 1000(1+ \frac{0.02}{n})^{n}

The following table shows the results obtained from the calculator.

     n                   A
------  ------------------
     1   1020.00000
     4   1020.15050
    12   1020.18436
    52  1020.19742
  365  1020.20078


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KATRIN_1 [288]

Answer:

Lower limit = 0.76

Upper limit = 0.84

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 350

Number of drivers that buckle = 280

Formula:

p' = \dfrac{x}{n} = \dfrac{280}{350} = 0.8

q' = 1-p' = 1 - 0.8 = 0.2

The standard deviation for sp =

=\sqrt{\displaystyle\frac{p'q'}{n}}\\\\=\sqrt{\dfrac{0.8\times 0.2}{350}} = 0.02138

95% Confidence Interval:

p' \pm z_{critical}(s_p)

z_{critical}\text{ at}~\alpha_{0.05} = \pm 1.96

Putting the values, we get,

0.8 \pm 1.96(0.02138)\\= 0.8 \pm 0.0419048\\=(0.7580952, 0.8419048)\\\approx (0.76,0.84)

Lower limit = 0.76

Upper limit = 0.84

3 0
3 years ago
Which value is a solution of the inequality -x + 5 < 7? (SELECT ALL THAT\ APPLY)
Varvara68 [4.7K]

Answer:

5,7,-1

Step-by-step explanation:

5) -5+5<7=0<7 TRUE

7)-7+5<7=--2<7 TRUE

-1)-(-1)+5<7=6<7 TRUE

-3)-(-3)+5<7=8<7 FALSE

-2)-(-2)+5<7=7<7 FALSE

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3 years ago
Indicate in standard form the equation of the line through the given points. K(6, 4), L(-6, 4)
azamat

y=4

the values of x changes while the y doesn't so it's y=4

7 0
4 years ago
Read 2 more answers
1) Se o 5o e o 9-o termos de uma PA são, respectivamente, 40 e 68, então a razão r da progressão é: a) r = 6 b) r = 7 c) r = 9 d
Maslowich

Answer:

1) b) r = 7

2) e) 82

Step-by-step explanation:

Progressão aritmética:

Em uma progressão aritmética, a diferença entre termos consecutivos é sempre a mesma, chamada de razão.

O n-ésimo termo de uma PA é dado por, tomando o primeiro termo como referência:

a_n = a_1 + (n-1)r

Tomando o m-ésimo termo como referência, tem-se que:

a_n = a_m + (n-m)r

1) Se o 5o e o 9-o termos de uma PA são, respectivamente, 40 e 68, então a razão r da progressão é:

a_5 = 40, a_9 = 68. Então:

a_n = a_m + (n-m)r

68 = 40 + 4r

4r = 28

r = \frac{28}{4} = 7

Então a resposta correta é dada pela alternativa b.

2) Inserindo-se 6 números entre 72 e 107, de modo que a sequência (72, a2, a3, a4, a5, a6, a7 ,107) seja uma progressão aritmética, tem-se a3 igual a:

O primeiro termo é a_1 = 72 e o oitavo termo é a_8 = 107. Com isso, é possível encontrar a razão.

a_n = a_1 + (n-1)r

107 = 72 + 7r

7r = 35

r = \frac{35}{7} = 5

Então, o terceiro termo é:

a_3 = a_1 + 2r = 72 + 2(5) = 82

Logo, a resposta correta é dada pela alternativa e.

5 0
3 years ago
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Ratling [72]

Answer:

p + 2c = 3.25                            Start with these two equations

3p + 4c = 7.25

p = -2c + 3.25                           Solve for one variable

3(-2c +3.25) + 4c = 7.25           Substitute

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-2c = -2

c = 1

p + 2(1) = 3.25                           Substitute

p + 2 = 3.25

p = 1.25

A bag of chips costs $1

A pickle costs $1.25

Step-by-step explanation:

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2 years ago
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