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3 years ago

What is the answer to 54x^2-144x

Mathematics

2 answers:

Maurinko [17]3 years ago

8 0

Step-by-step explanation:

54x^2-144x

18x(3x-8) is your answer

sergij07 [2.7K]3 years ago

4 0

The answer is 18x (3x-8)

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Angle 1 is supplementary to angle 2

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congruent

Step-by-step explanation:

Angles supplementary to the same angle are congruent.

Here, angles 1 and 3 are both supplementary to angle 2, so ...

angle 1 and angle 3 are congruent

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3 years ago

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3 years ago

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kupik [55]

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3 years ago

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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.

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3 years ago