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3 years ago

-13 1/5 times 4 2/5 hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhiiiii

Mathematics

1 answer:

andre [41]3 years ago

8 0

Answer: Exact form - 1425/25

decimal form -58.08

mixed number form -58 2/25

Step-by-step explanation:

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tino4ka555 [31]

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3 years ago

Find a recurrence relation for the amount of money in a savings account after n years if the interest rate is 6 percent and $50

Korvikt [17]

Answer:

$a_n = a_{n-1} (1.06) + 50$

Step-by-step explanation:

Suppose, $a_0$ is initial amount in the saving account,

Here, the annual interest rate is 6% and additional amount in each year is $ 50,

So, the amount after one year,

$a_1 = a_0 + 6\%\text{ of }a_0 + 50 = a_0 + 0.06a_0 + 50 = a_0(1.06) + 50$

Amount after 2 years,

$a_2 = a_1 + 6\%\text{ of }a_1 + 50 = a_1(1.06) + 50$

Amount after 3 years,

$a_3 = a_2 + 6\%\text{ of }a_2 + 50 = a_2(1.06) + 50$

................................., so on....

Hence, by following the pattern,

The amount after n years,

$a_n = a_{n-1} (1.06) + 50$

Which is the required recurrence relation for the amount of money in a savings account

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4 years ago

Given the following proportion, find x 3/7 = 6/x

Novosadov [1.4K]

Answer:

x = 14

Step-by-step explanation:

3/7 = 6/x

3(x) = 6(7)

3x = 42

x = 14

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3 years ago

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Step-by-step explanation:

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Determine the integer value of n that satisfies the the equation. 4^n=16 3^n=1/81

tresset_1 [31]

Answer:

Step-by-step explanation:

$4^{n} = 16 \\\\4^{n} = 4^2\\\\$

n = 2

$3^{n} =\frac{1}{81}\\\\ = \frac{1}{3^{4}}\\\\3^{n} = 3^{-4}$

n = -4

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3 years ago