jennnnnnnnnnnnnnnnn jennnnnnnnnnnnnnnnn
  • 22-12-2018
  • Mathematics
contestada

Helena deposited $89 into a saving account. According to the rule of 72 what interest rate will cause her money to double in approximately 38 years

Respuesta :

chloe8668
chloe8668 chloe8668
  • 22-12-2018
89×2=89(1+r)^38
(89×2)/89=(1+r)^38
2=(1+r)^38
[tex] \sqrt[38]{2} = 1 + r[/tex]
r=0.018
Interest rate:1.8%
Answer Link
drunkelmo04
drunkelmo04 drunkelmo04
  • 31-01-2019

Answer:

1.9% apex

Step-by-step explanation:


Answer Link

Otras preguntas

In this example, six populations are currently under study. Four out of the six populations can interbreed with one another and produce fertile, viable offsprin
Find the solution of the system of equations. 2.x + 4y = -14 – 2y = 9
What techniques does Bradbury use to establish the novel’s setting? What technique does Bradbury not use, and why do you think he avoids it? - Fahrenheit 451
Fill in the blank in the following dialogue with the correct question word below. - Maman, je vais à la librairie. Et tu y vas Parce que je veux acheter un nouv
Referring to the figure, a building casts a shawdow 18 feet long. A woman standing near the building is 5 feet 8 inches tall and casts a shadow 4 feet long.
which particles are in the nucleus of an atom of neon-20?
Find the distance between (1, 1) and (3, 4).A. (2,2.5)B.3C.[tex] \sqrt{13} [/tex]Or D.[tex] \sqrt{26} [/tex]​
Five tenths of a circle equals what decimal part of a circle?​
From the graph, write the linear equation in slope-intercept form
which type of blood vessel holds the greatest volume of blood?