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nataly862011 [7]
4 years ago
14

The population of a city was 625000 in the year 1997. It decreased at the rate of 40% p.a. Find the population at the end of the

year 2000
Mathematics
2 answers:
lyudmila [28]4 years ago
7 0

Answer:

i had the same answer

Step-by-step explanation:

Elden [556K]4 years ago
7 0

Answer:

23,52.5

Step-by-step explanation:

We have,

p=20,000

R=5%

T=3 year,

A=20,000(1+  

100

5

​  

)  

3

 

=20,000×(  

100

105

​  

)  

3

 

=23,52.5

Hence this is the answer.

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The manager of a furniture factory finds that it costs $2200 to manufacture 100 chairs in one day and $4800 to produce 300 chair
EastWind [94]

Answer:

Step-by-step explanation:

If the relationship between cost and the number of chairs produced is linear, we would write an equation that expresses this relationship in the slope intercept form. It is expressed as

y = mx + c

Where

m represents the slope

c = intercept.

Slope = (y2 - y1)/(x2 - 1)

y2 = final value of y = 4800

y1 = initial value of y = 2200

x2 = final value of x = 300

x1 = initial value of x = 100

Slope, m = (4800 - 2200)/(300 - 100) = 2600/200 = $13 per chair.

To determine the intercept, we will substitute y = 4800, x = 300 and m = 13 into y = mx + c. It becomes

4800 = 13×300 + c = 3900

c = 4800 - 3900 = 900

The equation becomes

y = 13x + 900

4 0
4 years ago
calculate the distance between each given pair of points round your answer to the nearest tenth if necessary (3,1) and (6,5)
AnnZ [28]
The distance between (3, 1) and (6, 5) is 5.

D=√(x₂-x₁)²+(y₂-y₁)²
D=√(6-3)²+(5-1)²
D=√3²+4²
D=√9+16
D=√25
D=5
3 0
4 years ago
-4 (m - 5) - 3 (m + 6)
Vlada [557]

Answer:

= −7m+2

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
How do the acute and obtuse angles compare to the right angles?
rewona [7]
Acute: The angle is LESS than 90 Degrees
Obtuse: The angle is MORE than 90 Degrees
Right: The angle is EXACTLY 90 Degrees
6 0
3 years ago
The graph below shows a proportional relationship between x and y.
Bas_tet [7]

Answer:

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Step-by-step explanation:

Use point (1, 3.5) on the graph

x = 1, y = 3.5

  • y/x =
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  • 3.5

k = 3.5

7 0
3 years ago
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