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iragen [17]
3 years ago
11

Suppose the population of a certain city is 3339 thousand. It is expected to decrease to 2694 thousand in 50 years. Find the per

cent decrease.
Mathematics
1 answer:
Anon25 [30]3 years ago
8 0

Answer:

  -19.3%

Step-by-step explanation:

The percentage change in a value is computed from ...

  percent change = ((new value) -(old value))/(old value) × 100%

  = (2694 -3339)/3339 × 100% = -645/3339 × 100% ≈ -19.3%

The decrease in 50 years is about 19.3%.

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Pls help me with this question
igor_vitrenko [27]

Answer:

D, C

Step-by-step explanation:

for part a, there is a negative slope with the graph shifted two units upwards

for part b, if you plug in C, you get an answer that works

8 0
2 years ago
When  x=3, the value of x^2-2 is?​
Hitman42 [59]

Answer:

7

Step-by-step explanation:

First you would square 3 which is nine. Then subrtact 2. The final answer is 7 .

8 0
3 years ago
Three irrational numbers are given below. Select the option that correctly plots the approximate value of each me on live where
Murljashka [212]
The answer is that you are look for is 2
4 0
3 years ago
When 5 times a number is added to 45 the answer is the sm of 85 and 140 what is the number
zimovet [89]

Hello.

First, let the number be r.

5 times r is written like this:

\rm{5r}

Now, add 45:

\mathrm{5r+45}

Now, the sum of 5r+45 is equal to the sum of 85 and 140:

\mathrm{5r+45=85+140}

In order to solve this equation, we need to add 85 and 140:

\mathrm{5r+45=225}

Now, subtract 45 from both sides:

\mathrm{5r+45-45=225-45}

\mathrm{5r=225-45}

\mathrm{5r=180}

The last step is to divide both sides by 5:

\mathrm{r=36}

Therefore, the answer is

\rm{r=36}

I hope it helps.

Have a nice day.

\boxed{imperturbability}

8 0
3 years ago
HOW MANY DEGREES IN A SUPPLEMENTARY ANGLE???
monitta

Answer:

180 degrees

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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