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Vedmedyk [2.9K]
3 years ago
10

If $7,000 is placed in an account with an annual interest rate of 5.5%, how long will it take the amount to triple if the intere

st is compounded annually? Round your answer to two decimal places.
...?
Mathematics
1 answer:
butalik [34]3 years ago
4 0
A= P(1 + r/n) ^nt
21000=7000(1+0.055/2)^1t

t = 20.52 years

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7 0
3 years ago
Simplify the following expression:<br> 4(x+10)-3x-2-x
Ilia_Sergeevich [38]
4x+40-3x-2-x
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gladu [14]

Answer:

57

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Step-by-step explanation:

<u>Step 1: Define</u>

n² - m

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<u>Step 2: Evaluate</u>

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  3. Subtract:                       57
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2 years ago
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