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Sergeu [11.5K]
3 years ago
11

A neighborhood trash pick up comes every 5 days, while the recycling pick up is every 8 days. After how many days will both tras

h and recycling be picked up on the same day?
Mathematics
1 answer:
Ivanshal [37]3 years ago
8 0

Answer:

40 days

Step-by-step explanation:

8 and 5 have forty in common so yea forty days

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9 cos(sin¯¹(x)) = √81 – 81x²
Ira Lisetskai [31]

The equation 9cos(sin¯¹(x)) = √(81 – 81x²) is true since L.H.S = R.H.S

To answer the question, we need to know what an equation is

<h3>What is an equation?</h3>

An equation is a mathematical expression that show the relationship between two variables.

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So, L.H.S = 9cos(sin¯¹(x))

= 9[√{1 - sin²(sin¯¹(x)}] (Since sin²y + cos²y = 1 ⇒ cosy = √[1 - sin²y])

9[√{1 - sin²(sin¯¹(x)}] = √9² × √{1 - sin²(sin¯¹(x)}]

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= √[81 × {1 - sin²(sin¯¹(x)}]

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= R.H.S

So, the equation 9cos(sin¯¹(x)) = √(81 – 81x²) is true since L.H.S = R.H.S

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brainly.com/question/2888445

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6 0
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Suppose you deposit $2,000 in savings account that pays interest at an annual rate of 4%. If no money is added or withdrawn, det
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