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OLga [1]
3 years ago
5

+) Evaluate the expression 81 – 82. 81 – 82 =

Mathematics
2 answers:
Kazeer [188]3 years ago
8 0

Answer:

81-8²

=81-(8×8)

=81-64

=17

Temka [501]3 years ago
7 0
81 - 8^2 is 17 ..............
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In the regual nonagon shown, what is the measure of angle x?
andre [41]
The sum of the interior angles of a polygon is (n-2)*180, n being the number of sides.
a nonagon has nine sides, so the total of interior angles is (9-2)*180=7*180
this is a regular nonagon, so each interior angle has the same degrees:
7*180/9=7*20=140
the exterior angle=180-the interior angle=180-140=40
40 is the correct answer.
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3 years ago
A florist has 49 red roses and 63 white roses. The florist wants to put an equal number of red roses in each centerpiece, along
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3 years ago
1/2 minus 2/3 minus 3/4 divided by 1/4
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3 years ago
The population of a town is 6500 and is increasing at a rate of 4% each year. Create a function for this scenario. At this rate,
Stella [2.4K]

Answer:

P_4 = 7604.08

Step-by-step explanation:

If the population increases at a rate of 4% per annum, then:

In year 1:

P_1 = P_0 + 0.04P_0

Where P_0 is the initial population and P_n is the population in year n

In year 2

P_2 = P_1 + 0.04P_1

It can also be written as:

P_2 = P_0 + 0.04P_0 + 0.04 (P_0 + 0.04P_0)

Taking out common factor P_0

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Taking out common factor (1 + 0.04)

P_2 = (1 + 0.04) (P_0 + 0.04P_0)

Taking out again common factor P_0

P_2 = (1 + 0.04) (1 + 0.04) P_0

Simplifying

P_2 = P_0 (1 + 0.04) ^ 2


So

P_n = P_0 (1 + 0.04) ^ n

This is the equation that represents the population for year n

Then, in 4 years, the population will be:

P_4 = P_0 (1 + 0.04) ^ 4\\P_4 = 6500(1 + 0.04) ^ 4\\P_4 = 7604.08

3 0
3 years ago
A day care facility is open six days a week. The numbers of children who
Igoryamba

Answer:

23

Step-by-step explanation:

23 is the only number that is told the  MOST not least let me know if you need any more help ---shadow5555

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