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miss Akunina [59]
3 years ago
8

A city’s population is currently 150,00. If the population doubles every 30 years, what will the population be 60 years from now

?
Mathematics
2 answers:
ArbitrLikvidat [17]3 years ago
8 0

Answer:

60000

Step-by-step explanation:

AFTR 30 YEARS =15000*2=30000

AFTR 60 YEARS=30000*2=60000

-BARSIC- [3]3 years ago
7 0

First of all, the population is 15,000 NOT 150,00. Do you know why?

After 30 years, 15,000 doubles to become 30,000.

60,000 is twice 30,000.

So, after another 30 years, 30,000 people increases to 60,000.

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Step-by-step explanation:

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Answer:

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x = 3

Step-by-step explanation:

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2 years ago
Write the equation of a line in slope-intercept form that has a slope of -5 and passes through ( 1, 1)
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Answer:

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Step-by-step explanation:

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3 years ago
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Reika [66]

The values of (x,y)=(4,4). In terms of x, the value y(x)=8-x, If the given equation is x-y=0 and x+y=8.

Step-by-step explanation:

The given is,

                              x-y=0...............................(1)

                              x+y=8...............................(2)

Step:1

          Solution can be obtained by Elimination method,

          Equation (1) is multiplied by (-1)           ( Eqn (1) × -1 )

                             -x+y=0..............................(3)

          Substrate the equation (1) and equation (3),

                              -x+y=0

                                x+y=8

         ( - )

         (-x-x)+(y-y)=(0-8)

                             (-2x)=-8

                                -2x = -8

         we can cancel the minus because it is available in both sides,

                                  2x=8

                                    x = \frac{8}{2}

                                     x = 4

        From the value of x, Equation (2) becomes,

                              x+y=8

                               4+y=8

                                     y = 8-x    (Value of y in terms of x)

        Where, x = 4

                                     y = 8-4        

                                     y =4

Step:2

       Check for solution,

                             x+y=8.....................................(2)

       Substitute the values of x and y,

                             4 + 4 = 8

                                   8 = 8

Result:

         The values of (x,y)=(4,4). In terms of x, the value y(x)=8-x, where x=4. If the given equation is x-y=0 and x+y=8.

         

5 0
3 years ago
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