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nataly862011 [7]
3 years ago
8

What is the area of a regular pentagon with a perimeter of 115cm?

Mathematics
1 answer:
shusha [124]3 years ago
3 0
About 480.4 or 480.4262466 if you need the whole thing
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There are 40 runners in a race. How many ways can the runners finish​ first, second, and​ third?
k0ka [10]

Answer:

117600

Step-by-step explanation:

50 x 49 x 48 = 117,600 ways

You have 50 possible for 1st, 49 for 2nd, 48 for 3rd

or

Permutations 50P3 = 117,600

5 0
3 years ago
For every gallon of water in a swimming pool, you’ Instructed to add four grams of chlorine. How many grams of chlorine would yo
Kruka [31]

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52

Step-by-step explanation:

Multiply grams per gallon times gallons to get grams.

4\,\dfrac{g}{gal}\times 13\,gal=4\times 13\,\dfrac{g\cdot gal}{gal}=52\,g

7 0
3 years ago
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Evaluate 7!.<br> Ο 120<br> Ο 5,040<br> Ο 40,320
timurjin [86]

Answer:

5040 is the answer of it

6 0
3 years ago
In the summer of 2014, the average listing price for homes for sale in the Hollywood Hills was $2,663,995.
Wewaii [24]

Answer:

  • monthly payment: $15,903.61
  • interest: $2,368,664.10

Step-by-step explanation:

a) The loan amount is 90% of the price shown, so is ...

  0.90 × $2,663,995 = $2,397,595.50

The monthly loan payment is given by the amortization formula:

  A = P(r/12)/(1 -(1 +r/12)^(-12t))

  A = $2,397,595.50(0.0525/12)/(1 -(1 +0.0525/12)^(-12·30))

  A = $13,239.61

The monthly escrow payment will be 1/12 of the annual amount:

  0.012 × $2,663,995 / 12 = $2664.00

So, the total monthly payment on the house will be ...

  $13,239.61 +2664.00 = $15,903.61

__

b) The sum of monthly loan payments is ...

  $13,239.61 × 360 = $4,766,259.60

so the interest on the $2,397,595.50 loan is ...

  $4,766,259.60 -2,397,595.50 = $2,368,664.10

7 0
3 years ago
The theoretical time for an apple to drop 2 meter is 0.64 second.sam did the experiment himself and measured that it took 0.62 s
nikitadnepr [17]
0.02/0.64*100=3.125℅
The formula is:(/error/divided by right answer) times 100. /means absolute value
4 0
3 years ago
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