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photoshop1234 [79]
3 years ago
7

Select all the equations hat represent lines perpendicular to y = 3x + 4

Mathematics
1 answer:
lawyer [7]3 years ago
7 0
While you don't have any listed here, it would be any that have a -1/3x in it. 
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A total of 754 tickets were sold for the school play. They were either adult tickets or student tickets. There were 54 more tick
Veseljchak [2.6K]

Answer:

Answer: 350

Step-by-step explanation:

Explanation:

a = adult tickets

s = student tickets

║ a + s = 754

║s = a + 54

Plug s = a + 54 into a + s = 754

a + (a + 54) = 754

a + a + 54 = 754

2a + 54 = 754

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Answer : The substances half life in days is, 5.6 days.

Step-by-step explanation :

Half life : It is defined as the amount of time taken by a radioactive material to decay to half of its original value.

All radioactive decays follow first order kinetics.

The relation between the half-life and rate constant is:

k=\frac{0.693}{t_{1/2}}

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Now put all the given values in the above formula, we get:

0.1235\text {days}^{-1}=\frac{0.693}{t_{1/2}}

t_{1/2}=5.6\text{ days}

Thus, the substances half life in days is, 5.6 days.

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Step-by-step explanation:

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