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Matemática financeira exercios

Por:   •  31/5/2015  •  Trabalho acadêmico  •  1.824 Palavras (8 Páginas)  •  229 Visualizações

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Lista 1 Matemática Financeira – Exercícios resolvidos 

M=?                                        M=C(1+i)^n

C=50 000                                M=50000(1+0,02)^6

n=6 meses                                M=50000.1,261

i=2%a.m. – 0,02                        M=56 305,00

R: Montante é R$56 305,00

  1. C=7000                                

n=1 ano e meio – 18 meses

i=2,5%a.m. – 0,025

M=C(1+i)^n                                M=C+J

M=7000(1+0,025)^18                J=10917,20-7000

M=7000.1,5596

M=10 917,20

R: Juros auferidos são de R$3 917,20

  1. C=?                                        M=C(1+i)^n

n=9 anos                                175000=C(1+0,1)^9

i=10%a.a. – 0,1                        175000=2,3579C

M=175 000                                C=175000/2,3579

                                        C=74 218,58

R: Capital é de R$74 218,58

  1. Pagamento à vista – R$600,00        M=C(1+i)^n

Entrada de 20% - R$120,00                550=480(1+i)²

C=600-120=480                        550/480=(1+i)²

M=550                                1,1458=(1+i)²

n=2 meses                                √1,1458=√(1+i)²

                                        1,0704=1+i

                                        i=1,0704-1

                                        i=0,0704 ou 7,04%

R: Taxa de 7,04%a.m.

  1. C=6000

BANCO “A”                                BANCO “B”

i=2%a.m. – 0,02                        i=1,5%a.m. – 0,015

n=6 meses                                n=6 meses

M=C(1+i)^n                                M=C(1+i)^n

M=C¹(1+0,02)^6                        M=C²(1+0,015)^6

M=1,126162C¹                        M=1,093443C²

M=M

1,126162=1,093443

C¹+C²=6000

C¹=6000-C²

1,126162(6000-C²)=1,093443C²

6756,97-1,126162C²=1,093443C²

6756,97=1,093443C²+1,126162C²

6756,97=2,219605C²

C²=6756,97/2,219605

C²=3044,22

C¹+C²=6000

C¹=6000-3044,22

C¹=2955,78

R: Foi aplicado no BANCO “A” R$2 955,78 e no BANCO “B” R$3 044,22

                                

  1. Pagamento à vista – R$192,00                        M=C(1+i)^n

Pagamento após dois meses – R$200,00                200=192(1+i)²

                                                        200/192=(1+i)²

n=2 meses                                                1,0416=(1+i)²

i=?                                                        √1,0416=√(1+i)²

M=200                                                1,0205=1+i

C=192                                                        i=1,0205-1

                                                        i=0,0205 ou 2,05%

R: Taxa de 2,05%a.m.

  1. R$18 000,00

n=2 meses

d=2,3%a.m. – 0,023

  1. Va=N[1-(d.n)]

Va=18000[1-(0,023.2)]

Va=18000.0,954

Va=17172

R: Valor Líquido R$17 172,00

  1. de=Va/N-1

de=17172/18000-1

de=0,046 ou 4,6%

deMensal=de/n

deMensal=4,6/2

deMensal=2,3%a.m.

  1. M=18000                                                M=C(1+i)^n

C=17172                                                18000=17172(1+i)²

i=?                                                        18000/17172=(1+i)²

n=2 meses                                                1,0482=(1+i)²

                                                        √1,0482=√(1+i)²

...

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