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irina [24]
3 years ago
7

7m+11=-4(2m+3) answer

Mathematics
1 answer:
Irina18 [472]3 years ago
8 0

Answer:

See below.

Step-by-step explanation:

So we have the equation:

7m+11=-4(2m+3)

Distribute the right:

7m+11=-8m-12

Add 12 to both sides:

7m+23=-8m

Subtract 7m from both sides:

23=-15m

Divide by -15:

m=-23/15\approx-1.5333

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(40 POINTS)
Y_Kistochka [10]

Answer:

1.  f(0) =  501170

2.  decreasing

3.  2% decrease

4. 302438

Step-by-step explanation:

In 1995 x=0

f(x) = 501170(0.98)^0

f(0) =  501170

The population is decreasing since we are multiplying by .98 ^x

.98 is less than 1 so it is getting smaller each time.

1 -.98 = .02

It is decreasing by 2 % each year

2020-1995  =25 years

f(25) = 501170(0.98)^25

        =302438.41862

Rounding to the nearest whole number

          302438

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