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I am Lyosha [343]
2 years ago
14

Which value of x makes the equation 0. 75(x + 20) = 2 + 0. 5(x - 2) true?

SAT
1 answer:
bija089 [108]2 years ago
7 0

Answer:

-56

Explanation:

From the equation:

0.75(x + 20) = 2 + 0.5(x - 2)

Open brackets

0.75x + 15 = 2 + 0.5x - 1

Collect like terms

0.75x - 0.5x = 2 - 1 - 15

0.25x = - 14

Divide both sides by 0.25

x = -56

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7 0
3 years ago
Your license will be suspended for 90 days if you accumulate ___________ A. 12 points within 12 months. B. 18 points within 18 m
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The answer is B
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3 years ago
Please help! this is due today! No links please and full paragraph form answer! Will give you brainliest!
leonid [27]

Answer:

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Explanation:

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Kinematics of particles problems and solutions pdf
iragen [17]

The acceleration of the pendulum mass D is; r"_d =  [x''(t) + lθ'' cos θ - lθ'² sin θ]i - l[θ'' sin θ - θ'² cos θ]j

<h3>What is Kinematics of particles?</h3>

Kinematics is the study of the geometry of motion of particles, rigid bodies, etc., disregarding the forces associated with these motions. However, Kinematics of a particle is the motion of a point in space.

From the sample problem, we can solve it using the (x, y, z) coordinate system to get;

r_c = x(t) i

r_d = [x(t) + l sin θ]i + l cos θ j

Finding the first derivative of r_d gives velocity as;

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Taking the second derivative of r_d gives the acceleration as;

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A sample problem of kinematics of particles is;

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Read more about Kinematics of Particles at; brainly.com/question/26269548

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