Taking a discount of 50% off followed by a discount of 50% off results in a total discount of

Mathematics

1 answer:

Anettt [7]3 years ago

3 0

Answer:

75% (sorry if Im wrong)

Step-by-step explanation:

If your taking a 50% discount off the original number your left with half, correct. If you take another 50% of thats 25% of the original number. you took more than 50% off and less than 100%, so 75%.

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The expression below represents the profit, in dollars, a movie theater makes when n customers attend a movie

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8000$ is invested in an account the yields 6% interest per year. After how many years will the account worth 13709.60$ if the in

ozzi

Answer:

After 9 years the account will be worth 13709.60$

Step-by-step explanation:

We are given the following in the question:

We are given the following in the question:

P = $8000

r = 6% = 0.046

n = 12

The compound interest is given by:

$A = p\bigg(1+\dfrac{r}{n}\bigg)^{nt}$

where A is the amount, p is the principal, r is the interest rate, t is the time in years.

Putting the values, we get,

$13709.60 = 8000\bigg(1+\dfrac{0.06}{12}\bigg)^{12t}\\\\\dfrac{13709.60}{8000} = \bigg(1+\dfrac{0.06}{12}\bigg)^{12t}\\\\\Rightarrow 1.7137 = (1.005)^{12t}\\\Rightarrow t \approx 9$