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Montano1993 [528]
3 years ago
10

Calculating Distance around a Polygon

Mathematics
1 answer:
Vadim26 [7]3 years ago
6 0

Answer:

12.5cm

Step-by-step explanation:

Each side of the pentagonal  garden has a length of 2.5 cm.

A pentagon has 5 sides.

Since the garden has congruent sides, all its lengths are equal.

Therefore:

Distance Walked by Tanya

= 5 X 2.5

=12.5cm

Tanya has walked 12.5cm in total.

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In 2012, the population of a city was 6.29 million. The exponential growth rate was
RoseWind [281]

9514 1404 393

Answer:

  a) P(t) = 6.29e^(0.0241t)

  b) P(6) ≈ 7.3 million

  c) 10 years

  d) 28.8 years

Step-by-step explanation:

a) You have written the equation.

  P(t) = 6.29·e^(0.0241·t)

__

b) 2018 is 6 years after 2012.

  P(6) = 6.29·e^(0.0241·6) ≈ 7.2686 ≈ 7.3 . . . million

__

c) We want t for ...

  8 = 6.29·e^(0.0241t)

  ln(8/6.29) = 0.0241t

  t = ln(8/6.29)/0.0241 ≈ 9.978 ≈ 10.0 . . . years

__

d) Along the same lines as the calculation in part (c), doubling time is ...

  t = ln(2)/0.0241 ≈ 28.7613 ≈ 28.8 . . . years

4 0
2 years ago
At the start of 2014, lucy's house was worth £200 000.
kobusy [5.1K]

Answer:

£230,000

Step-by-step explanation:

5 percent of £200,000 is £10,000 (200,000*0.05)

3 years have passed from 2014 to 2017

3 * 10,000 = 30,000

£200,000 + £30,000 = £230,000

7 0
3 years ago
9. Martika says factors and multiples are
Zarrin [17]

Answer:

So the factors and multiples of 42 are 1, 2, 3, 6, 7, 14, 21, 42

Step-by-step explanation:

Factors are what you can multiply to get a number and a multiples are what you get after multiplication. We can determine the factors of 42. The multiples of 42 are:

1 x 42= 42

2 x 21= 42

3x 14 = 42

6 x 7 = 42

So the factors of 42 are 1, 2, 3, 6, 7, 14, 21, 42

The multiples of 42 are 1,2,3,4,5,6 etc

So common multiples and factors are 1, 2, 3, 6, 7, 14, 21, 42

3 0
2 years ago
Help! I'll give brainliest!
Anni [7]

Answer:

b. 256

Step-by-step explanation:

Data:

W= 8

L= 8

H= 8

soln:

firstly the formula of lateral area is

LSA = (2W+2L) H

therefore:

LSA = (2×8+2×8) 8

LSA = (16+16) 8

LSA = (32) 8

LSA = 256

3 0
3 years ago
M+12=10 what is the answer to this equation?
Fofino [41]
M = -2 is da answer to da equation
8 0
2 years ago
Read 2 more answers
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