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baherus [9]
2 years ago
13

2 _ x -7=11 5 whats the answer

Mathematics
1 answer:
ZanzabumX [31]2 years ago
8 0

Answer:

x=45

Step-by-step explanation:

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The population of a small industrial town was 12 910 in 2000. Each year, the population
balandron [24]

The population in the year 2020 is 4628

<h3>How to determine the population?</h3>

The given parameters are:

Initial, a = 12910

Rate, r = 5%

Since the population decreases, then we make use of an exponential decay function.

This is represented as:

f(n) = a * (1 - r)^n

So, we have:

f(n) = 12910 * (1 - 5%)^n

Evaluate the difference

f(n) = 12910 * 0.95^n

2020 is 20 years from 2000.

So, we have:

f(20) = 12910 * 0.95^20

Evaluate

f(20) = 4628

Hence, the population in the year 2020 is 4628

Read more about exponential functions at:

brainly.com/question/14355665

#SPJ1

6 0
2 years ago
Butch, Harry, and Nicky are playing a game. Harry has half as many points as
ryzh [129]

Answer:

9

Step-by-step explanation:

H=1/2 * B

N=H-5= 1/2 * B-5

B+H+N= B+(1/2 *B) + (1/2 *B-5)=31

2B-5=31

B=18

H=1/2 *B=9

4 0
3 years ago
So Alex is selling a very rare spice that costs $100 per gram. Someone wants to buy $80 worth of the spice. How much spice (in g
Alika [10]
80% of a gram.
One gram is $100, aka $100 is 100% of a gram, so $80 would be 80% of a gram.
7 0
3 years ago
Read 2 more answers
What ideas do you need to remind yourself when working with taxes and discounts
azamat

Answer:

remember to read carefully

Step-by-step explanation:

6 0
3 years ago
3(x+5)=9 what is the value off x
Klio2033 [76]

Answer:

x = -2

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
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