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ankoles [38]
3 years ago
14

The population density of Smallville (15 square miles) was 18.5 people per square mile. A decade later populations increased to

26.8 people per square mile. What was the increase in population?
Mathematics
1 answer:
BartSMP [9]3 years ago
8 0
(26.8-18.5)•15=amount of people added
8.3•15=amount of people added.
124.5 people added to Smallville
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VikaD [51]

Answer:

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4 0
3 years ago
In Hawaii a volcano is about to explodel At 6:00 am a device placed inside the volcano
faust18 [17]

Complete question :

In Hawaii a volcano is about to explodel At 6:00 am a device placed inside the volcano

measures the temperature at 69.5 degrees Celsius. Every 3 minutes the temperature

rises 1/5 a degree. If the Volcano explodes at 145.5 degrees Celsius how many hours do

they have to evacuate a nearby city?​

Will Mark BRAINLIEST to the correct answer

Answer:

19 hours

Step-by-step explanation:

Given that:

Temperature of volcano at 6:00 am = 69.5°C

Average rise in temperature per 3 minute = 1/5

Hence, rise in temperature per minute = 0.0666666°C

Temperature at which volcano will explode = 145.5°C

Hence, change in temperature :

(145.5°C - 69.5°C) = 76°C

Hence, temperature will have to rise by 76°C

Rise in temperature / rate of temperature increase

= 76°C / 0.0666666°C

= 1140.0011 minutes

= 1140.0011 / 60

= 19.0000019 hours

= 19 hours

4 0
3 years ago
A box contains 50 packs of pencils. The price of the box is $10.25. Each package of pencils cost the same amount. Which could be
Ugo [173]
Your answer is going to be D.
In order to find P, you would divide $10.25 by 50, which means the 50p is $10.50.
8 0
3 years ago
Help please I don’t know the answer
andrew-mc [135]

Answer:

$16,534.95

Step-by-step explanation:

To compute interest on loans, we use the compounded interest equation. We use the equation A=P(1+\frac{r}{n})^{nt} where

  • P is the principle or starting value
  • A is the total amount after interest and a period of time
  • r is the rate at which interest gathers as a decimal
  • t the time in years
  • n is the number of times compounded in a year.

For this problem, we know P=$8000, r=19%=0.19, t=4 years and n=2. We substitute into the formula and simplify to find the total amount A.

A=P(1+\frac{r}{n})^{nt}\\A=8000(1+\frac{0.19}{2})^{2(4)}\\A=8000(1+0.095)^{8}\\A=16,534.95

8 0
4 years ago
I need help with number 1 P.S DONT JUDGE ME AM ONLY A 9 YEAR OLD GIRL THAT IS IN 3RD GRADE
grigory [225]
You would do 11 times 8 because you need all the legs of the spiders.
So, there would be 88 spider legs. 88 would be your answer.
5 0
4 years ago
Read 2 more answers
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