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Anni [7]
3 years ago
9

Help me with these two problems? (attatched below)

Mathematics
1 answer:
Inessa [10]3 years ago
4 0
You are given an annual interest rate of 4.2% compounded monthly for 20 years, mortgage amount of $235,000. You are asked to find the monthly payment. You need the compound interest formula to solve this problem. The answer is $1,449.
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What is 2/3, 7/6, 3 1/9, and 5 5/18 written as a decimal?
Paul [167]

Step-by-step explanation:

\frac{2}{3}  = 2  \times  \frac{1}{3}  = 2 \times 0.333 = 0.666 \\  \\  \frac{7}{6}  = 7 \times  \frac{1}{6}  = 7 \times  \frac{1}{2}  \times  \frac{1}{3}  = 7 \times 0.5 \times 0.333 = 1.1655 \\  \\ 3 \frac{1}{9}  = 3 +  \frac{1}{9}  = 3  + ( \frac{1}{3}  \times   \frac{1}{ 3} ) = 3 + (0.333 \times 0.333) = 3 \times 0.11088 = 3.11088 \\  \\ 5 \frac{5}{18}  = 5 + (5 \times  \frac{1}{18} ) = 5 + (5 \times   \frac{1}{3}  \times  \frac{1}{3}  \times  \frac{1}{2} ) = 5 +(5 \times 0.333 \times 0.333 \times 0.5) = 5 + 0.27722 = 5.27722

4 0
2 years ago
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Write each expression in EXPONENTIAL form and find its VALUE.
spin [16.1K]
(3/5)^2=9/25
the answer to the question
3 0
3 years ago
On a trip, a family drove an average of 250 mi each day. If the family drove a total of 3,000 mi on their trip, how many days we
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3 years ago
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The original price of a pair of headphones is $39.99 before tax. When David bought the headphones they rang up for $31.99 before
aleksley [76]

Answer:

To find the sales tax multiply the purchase price by the sales tax rate. Remember to convert the sales tax rate from a percent to a decimal number. Once the sales tax is calculated, it is added to the purchase price. The result is the total cost—this is what the customer pays.

Step-by-step explanation:

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2 years ago
The expression 4 square root of 81^3 can be rewritten as_____.
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