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lina2011 [118]
3 years ago
15

the present population of a certain place is 67205 the population growth rate is 5% per annum find the population of that place

a year before​
Mathematics
2 answers:
Ivahew [28]3 years ago
8 0

Answer:

Let P be the population two years ago.

∴ P(1+

100

5

)

2

=104832

P(

100

105

)

2

=104832

P×

100

105

×

100

105

=104832

P=

105×105

104832×100×100

=95085.71

=95,086 (rounding off to the nearest whole number)

∴ Two years ago the population was 95,086.

Step-by-step explanation:

따 르 디 ➪ 엔 씨 티 Dream

https://youtu.be/PkKnp4SdE-w

Vaselesa [24]3 years ago
7 0

Answer:

Step-by-step explanation:

∴ P(1+

100

5

)

2

=104832

P(

100

105

)

2

=104832

P×

100

105

×

100

105

=104832

P=

105×105

104832×100×100

=95085.71

=95,086 (rounding off to the nearest whole number)

∴ Two years ago the population was 95,086.

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padilas [110]

Answer:

The coach raised $1250 last year

Step-by-step explanation:

Let the amount raised last year be $x

Amount raised this year = $1200

Amount raised this year was less by the 4% of x amount last year:

1200 = x - 4% of x

1200 = x - x (x) 4/100 = 96x/100

x = $1250

The coach raised $1250 last year for the equipment.

7 0
4 years ago
The polygons in each pair are similar. find the missing side length​
dedylja [7]

If polygons are similar ratio of sides will be same

\\ \sf\longmapsto  \frac{6}{14}  =  \frac{3}{x}  \\ \\ \sf\longmapsto 6x = 14 \times 3 \\ \\ \sf\longmapsto 6x = 42 \\ \\ \sf\longmapsto x =  \frac{42}{6}  \\ \\ \sf\longmapsto x = 7

7 0
3 years ago
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AfilCa [17]

Answer:

None

Step-by-step explanation:

If Angles B and D were equal, then:

AB // CD

And

BC // AD

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8 0
4 years ago
120t-0.4t^4+1000=0<br>How can i solve this?
Anarel [89]
T=−5.431744,8.419857
5 0
4 years ago
The graph of f(x) defined on [- 1.25, k] , is shown on the figure on the right with the areas of the shaded regions indicated by
natima [27]

Answer:

78.94

Step-by-step explanation:

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