3 years ago

What is 1 7/4 + 3 7/8?

Mathematics

2 answers:

Orlov [11]3 years ago

8 0

Answer: 6 5/8

Explanation:

sattari [20]3 years ago

7 0

Answer:

6 5/8

Step-by-step explanation:

First, you have to find a common denominator. That's when you can add the values together and get your answer

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The velocity of a particle moving back and forth on a line is vequalsStartFraction ds Over dt EndFraction equals6 sine (2 t )Sta

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s = 6 m

Step-by-step explanation:

The value of the velocity v is given as:

$v = \frac{ds}{dt} = 6 sin(2t)$ m/s

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$\frac{ds}{dt} = 6 sin(2t)\\\\\int\limits^s_0 {ds} = \int\limits^t_0 {6sin(2t)} \, dt\\\\s|^s_o = -3cos(2t)|^t_o\\\\s - 0 = -3cos(2t) -(-3cos(0))\\\\s = -3cos(2t) + 3(1)\\\\s = -3cos(2t) + 3$

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