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Kruka [31]
3 years ago
6

An account earns simple annual interest. $1500 at 4% for 5 years

Mathematics
2 answers:
Anestetic [448]3 years ago
5 0

Answer:

a) Interest earned = $300

b) balance = $1800

Step-by-step explanation:

a) I = Prt

P = $1500

r = 0.04

t = 5yrs

Substitute

I = ($1500)(0.04)(5)

Multiply

I = $300

b) balance = previous + interest earned

balance = $1500 + $300 = $1800

SpyIntel [72]3 years ago
4 0

Step-by-step explanation:

To answer this will we use our equation of I = prt

in this case the I in the equation, or meaning the interest will remain as a variable

our p in the equation or principal, will be 1500

next our r, or rate in the following equation will be 4%. since it is a percent, we will have to convert it into a decimal, 0.04

finally our t, or time. in this case it will be 5 years

here is our equation

I = 1,500 x 0.04 x 5

then we solve, given us 300

300 = 1,500 x 0.04 × 5

I (Interest) = 300

Total cost = 1,800

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Step-by-step explanation:

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2*3= 6

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b) 10 + z= 20

En este caso se debe sumar o restar la constante que se encuentra acompañando a la variable en ambos lados de la ecuación de manera de aislar el término de la variable. En este caso:

10 - 10 + z= 20 -10

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10 + z=20

10 + 10=20

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P +9 - 9= 11 -9

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Comprobación:

2 + 9= 11

11=11

d) 3X + 8 = 29

En este caso, se suma o resta la constante en ambos lados de la ecuación y luego se elimina el coeficiente de la variable mediante la división o multiplicación. Esto es:

3X + 8 - 8= 29 - 8

3X= 21

3X ÷3= 21÷3

X=7

Comprobación:

3*7 + 8=29

21+8=29

29=29

e) 2U + 8= 10

2U + 8 - 8= 10 -8

2U= 2

2U ÷2= 2÷2

U=1

Comprobación:

2*1 + 8= 10

2 + 8= 10

10=10

8 0
3 years ago
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