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3 years ago

A triangle has 40 on one side and 60 on the other what is the third angle

Mathematics

1 answer:

luda_lava [24]3 years ago

4 0

Answer:

Step-by-step explanation:

The sum of all legs on a triangle is 180

So you add the given sides and subtract them from 180

~Courtney

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What is the Slope of this equation?<br><br> y=-6/5x-5

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Answer:

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Step-by-step explanation:

Step 1:

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Step 2:

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Step-by-step explanation:

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3 years ago

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 :

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

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

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