3 years ago

Step by step 6x + 3y = 12

Mathematics

2 answers:

Fiesta28 [93]3 years ago

7 0

Answer:

y=mx+b.y=−2x+4

Step-by-step explanation:

marissa [1.9K]3 years ago

3 0

Answer:

x=4-y/2

Step-by-step explanation:

subtract 3y from both sides

simplify

divide both sides by 6

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Step-by-step explanation:

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jeka94

Answer:

t = 5 seconds

Step-by-step explanation:

A golfer takes a swing from a hill twenty feet above the cup with an initial upwards velocity of 76 feet per second.

We need to find how long does it take the ball to land on the ground near the cup.

The equation for the path of the ball is given using second equation of kinematics as follows :

$-16t^2+76 t+20=0\\\\\text{or}\\\\-4t^2+19t+5=0\\\\-4t^2+20t-t+5=\\\\-4t(t-5)-1(t-5)=0\\\\(t-5)(-4t-1)=0\\\\t=5, t=\dfrac{-1}{4}\ s$

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Step-by-step explanation:

Loki told me

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