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rusak2 [61]
3 years ago
11

HELP

Mathematics
2 answers:
strojnjashka [21]3 years ago
8 0

Answer: Answer is f(x) = 25x4 - 7x2 + x + 4

Step-by-step explanation:

Leokris [45]3 years ago
6 0

Answer:

d on edg

Step-by-step explanation:

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Please Help me!!!
drek231 [11]

Step-by-step explanation:

The displacement of a particle d (in km) as a function of time t (in hours) is given by :

d=2t^3+5t^2-3

Displacement at t = 4 hours,

d(4)=2(4)^3+5(4)^2-3=205\ km

Velocity of particle is given by :

v=\dfrac{dd}{dt}\\\\v=\dfrac{d(2t^3+5t^2-3)}{dt}\\\\v=6t^2+10t

Velocity at t = 4 hours,

v=6(4)^2+10(4)=136\ km/h

Acceleration of the particle is given by :

a=\dfrac{dv}{dt}\\\\a=\dfrac{d(6t^2+10t)}{dt}\\\\a=12t+10

At t = 4 hours,

a=12(4)+10=58\ km/h^2

Therefore, the displacement, velocity and acceleration at t = 4 hours is 205 km, 136 km/h and 58 km/h² respectively.

7 0
3 years ago
Whats 1+1 please help
GREYUIT [131]

Answer:

Two haha

Step-by-step explanation:

but thanks for the points (:

8 0
3 years ago
Read 2 more answers
PLEASE HELP ME BY SHOWING YOUR WORK TO THIS ANSWER!
ArbitrLikvidat [17]
Hey Dammy17,
Ok so what we need to do is "plug in" 2oz for x in the equation, 

So, 0.6 (2) + 11 = 
      0.12 + 11= 11.12 oz is the finishing weight. 
4 0
3 years ago
4.
rusak2 [61]

Answer:

  • recursive: a[1] = 7440; a[n+1] = a[n] -120
  • explicit: a[n] = 7440 -120(n -1)

Step-by-step explanation:

The sequence of amounts in Jackson's account will be ...

  7440, 7320, 7200, ...

with a first value (a1) of 7440 and a common difference (d) of -120.

The recursive formula for an arithmetic sequence is ...

  a[1] = a1

  a[n+1] = a[n] +d

For our sequence, the recursive formula is ...

  a[1] = 7440

  a[n+1] = a[n] -120

__

The explicit formula for an arithmetic sequence is ...

  an = a1 +d(n -1)

For our sequence, the explicit formula is ...

  a[n] = 7440 -120(n -1)

5 0
3 years ago
What is the value of the whole number n if: n=1/2 of 2/3 of 3/4 of 4/5 of 100
OverLord2011 [107]
20 I think it is 20 .................
3 0
3 years ago
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