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kkurt [141]
3 years ago
7

I need the answers for 6 & 7 i will give brainlist:)!! PLEASEEEE

Mathematics
1 answer:
scZoUnD [109]3 years ago
6 0

Answer:

6: m = 25 + 5x; m is the money made and x is the amount of chores done.

6b: m(4) = 25 + 5(4) = 25 + 20 = 45; m(4) = 45

7: c = 175 - 6x; c is the amount of cards Mason owns, x is the amount of months

7b: c(7) = 175 - 6(7) = 175 - 42 = 133; c(7) = 133


To make the equation, just find the starting value and then add in the amount of change that occurs in that number.



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4 0
3 years ago
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The function a(t)=t^(1/2)−t^(−1/2) m/s^2 represents the acceleration of a particle moving along a horizontal axis. At time t=0,
garri49 [273]

Answer:

see below

Step-by-step explanation:

a(t)=t^(1/2)−t^(−1/2)

We integrate to find the velocity

v(t) = integral t^(1/2)−t^(−1/2) dt

     = t ^ (1/2 +1)         t ^ (-1/2 +1)

          ------------   -    -----------------  + c  where c is the constant of integration

              3/2                   1/2

v(t) = 2/3 t^ 3/2  - 2 t^ 1/2 +c

We find c by letting t=0 since we know the velocity is 4/3 when t=0

v(0) = 2/3 0^ 3/2  - 2 0^ 1/2 +c = 4/3

       0+c =4/3

       c = 4/3

v(t) = 2/3 t^ 3/2  - 2 t^ 1/2 +4/3

To find the position function we need to integrate the velocity

p(t) = integral 2/3 t^ 3/2  - 2 t^ 1/2 +4/3 dt

     2/3 t ^ (3/2 +1)        2 t ^ (1/2 +1)           4/3t

          ------------   -    -----------------  + ------------- + c  

              5/2                   3/2                    1

p(t) =  4/15 t^ 5/2 - 4/3t ^ 3/2 + 4/3t +c

We find c by letting t=0 since we know the position is -4/15 when t=0

p(0) =  4/15 0^ 5/2 - 4/3 0 ^ 3/2 + 4/3*0 +c = -4/15

         0 +c = -4/15

            c = -4/15

p(t) =  4/15 t^ 5/2 - 4/3t ^ 3/2 + 4/3t -4/15

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3 years ago
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Answer:

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Step-by-step explanation:

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