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Cerrena [4.2K]
2 years ago
6

C) The price of a computer is $750. A shop offers 12% discount. Find the discount price.

Mathematics
2 answers:
polet [3.4K]2 years ago
8 0

Answer:

$660

Step-by-step explanation:

So first we convert the percentage (12%) into decimal point: 12%/100+0.12

To find the discount you're going to get, multiply the price of the computer by your new decimal value: 750×0.12= $90

$90 will be the discount you're getting. Now subtract it from the computer price to get the discounted price: 750-90= $660

The discounted price of the computer would be $660

butalik [34]2 years ago
7 0

Answer:

$660

Step-by-step explanation:

Given the following question:

c=750

s = -12% discount

In order to find the answer, we have to find what 12% of 750 is. After that we then subtract that number by the total price of the computer.

\frac{12\times750}{100} =9000\div100=90

750-90=660

=660

Hope this helps.

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If the population of a country is reported in the year 1990 as 471.56 million and in the year 2000 as 492.53 million, when will
Aleks [24]

Answer:

35 years

Step-by-step explanation:

It will make this problem a whole lot easier if we call the year 1990 our initial year, or year 0; that means that the year 2000 is year 10.  The coordinates then that result from that change are (0, 471.56) and (10, 492.53).  Population growth is always exponential, and the formula for that, in terms of x and y, where x is the year and y is the population in millions, is

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Using the first coordinate, we know that at year 0 the population is 471.56.  So that is our initial population, a in our formula.  Using that value of a and plugging it in to the formula with the other coordinate gives us

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Now we will divide both sides by ln(1.004360381) to isolate the x.  Doing that and at the same time finding those values on our calculator gives us:

\frac{.153871931}{.0043505227}=x so

x = 35

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