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Aleonysh [2.5K]
2 years ago
9

The population of a town is 4,000 people. Every year the population increases by 4%. What will the population of this town be af

ter 7 years?
After 7 years the population of this town will be?
Mathematics
2 answers:
AlladinOne [14]2 years ago
6 0

Answer:

p=c(1+r)^t the population in 7 years will be 5263.72711694

Step-by-step explanation:

p=c(1+r)^t

p=4,000(1+.04)^t

p=4,000(1.04)^t

p=4,000(1.04)^4

p=4679.43424

p= the population you are solving for

c= the initial amount of the population

(1+r)= the rate of change

t= the period of time

jonny [76]2 years ago
4 0

Answer:

The answer is 5,120

Step-by-step explanation:

How to find 4% of 4000:

4 times 4000=

16000 divided by 100

160

Then you add 160 to 4000 7 times and you get 5,120.

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A diagram would surely help here.  But imagine that you stand at spot A and someone finds that your distance from the base of the building is 42 feet.  Call this point B.
 
Imagine a vertical line from that spot, straight up.  Label the top of this line C.

The acute angle at A is 67 degrees.  You want to find the height of the building, which would be the length of the "opposite side of triangle ABC."
The length of the "adjacent side of triangle ABC" would be 42 feet.

We don't know the length of the hypotenuse, altho' we could easilyl calculate it using the Pyth. Them.

We choose the tangent function to solve for the height of the building (which is the length of the opposite side. 

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By definition, tangent (67 degrees) = -------------------------------------
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3 years ago
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2 years ago
A bee flies at 10 feet per second directly to a flowerbed from its hive. The bee stays at the flowerbed for 18 minutes, and then
uysha [10]

Answer:

Step-by-step explanation:

d = distance from hive to flowers, in feet

flying time = 23 min - 18 min = 5 min = 300 sec

time flying to flowers = d ft × (1 sec)/(10 ft) = (d/10) sec

time flying to hive = d ft × (1 sec)/(6 ft) = (d/6) sec

d/10 + d/6 = 300 sec

:::::

d/10 + d/6 = 3d/30 +5d/30 = 8d/30 = 300

d = 300×30/8 = 1,125 ft

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2 years ago
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Answer:

Area 124 cm^2

Perim:52cm

Step-by-step explanation:

Area:

11*8=88

9*4=36

124

Perim 20+8+11+13=52

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