Rewrite in Standard Form. 1. y = (x - 3)(x+10)

Mathematics

2 answers:

densk [106]3 years ago

6 0

Answer:

Heres your answer y=x^2 +7x-30

Serhud [2]3 years ago

3 0

Answer:

y=x^2 +7x-30

Step-by-step explanation:

Hope this helps

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Answer:

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Step-by-step explanation:

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A three inch diameter pulley on an electric motor that runs at 1800

Bezzdna [24]

Answer:

a) 3 inch pulley: 11,309.7 radians/min

6) 6 inch pulley: 5654.7 radians/min

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Step-by-step explanation:

Hi!

When a pulley wirh radius R rotantes an angle θ, the arc length travelled by a point on its rim is Rθ. Then the tangential speed V is related to angular speed ω as:

$V=R\omega$

When you connect two pulleys with a belt, if the belt doesn't slip, each point of the belt has the same speed as each point in the rim of both pulleys: Then, both pulleys have the same tangential speed:

$\omega_1 R_1 = \omega_2 R_2\\$