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Helga [31]
2 years ago
14

A town has a population of 7,000 and grows at 15% every year.what will be the population after 12 years,to the nearest whole num

ber
Mathematics
1 answer:
NemiM [27]2 years ago
6 0

Answer:

About 20000 will be the answer.

Step-by-step explanation:

First, do 15% of 7000

then multiply the answer with 12.

then add the answer with 7000.

After your answer comes see the nearest whole number. Hence your answer came.

Try it. Hope it helps.

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Find the missing values in each row. Use the percent equation. A: Principal: $100 Interest rate: 5% Time in years: 3 Interest ea
ANEK [815]

Answer:

A.) 15

B.) 1 year

C.) $50

D.) 1.5%

Step-by-step explanation:

The percentage equation goes thus:

Interest earned = principal * rate * time

A)

Principal: $100 Interest rate: 5% Time in years: 3 Interest earned

Interest earned = $100 * 0.05 * 3

Interest earned = $15

B.)

Principa;" $500 Interest rate: 4% Time in years: interest earned: $20

Interest earned = principal * rate * time

20 = 500 * 0.04 * time

20 = 20 * time

Time = 20 / 20 = 1

Time = 1 year

C.)

Principal: Interest rate:10% Time in years: 7 Interest earned:$35

Interest earned = principal * rate * time

$35 = principal * 0.1 * 7

$35 = principal * 0.7

Principal = $35 / 0.7

Principal = $50

D.)

Principal: $200 Interest rate: Time in years:2 Interest earned: $6

Interest earned = principal * rate * time

$6 = $200 * rate * 2

$6 = $400 * rate

Rate = $6/$400

Rate = 0.015 = 1.5%

7 0
3 years ago
Tourists covered 640 km for a 4 hour ride by car and a 7 hour ride by train. What is the speed of the train, if it is 5 km/h gre
gavmur [86]

Answer:

60 km/h

Step-by-step explanation:

Let us use the x to represent the speed of the car since it is the smaller value.

Then, the distance covered by the car is 4x since was going 4 kph.

The distance covered by the train is (x+5) times 7 or 7x+35.

We know that the total distance covered is 640 km.

Using this information, we can set up the equation 4x+7x+35=640.

By subtracting both sides by 35 and combining the x's, we get a new equation of 11x=605.

After this, we divide both sides by 11 and get x=55.

Lastly, we add 5 to 55 since the train is 5 km faster than the car and that x stood for the car.

Train=60 km/h

5 0
2 years ago
What's y+24 over 4 equals to 8<br>​
trapecia [35]

Answer:

y = 8

Step-by-step explanation:

8 + 24 = 32

32/4 = 8

6 0
3 years ago
Read 2 more answers
I really please need help. Does anyone know these last 6 questions. Brainliest answer and 13 points
Vedmedyk [2.9K]
29. B
30. C
31. 2 cups
32. 1.5 times
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How much greater is 100 than - 100
SCORPION-xisa [38]

100 it's like the absolute value

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