Which expression is equivalent to 6 (3 x minus 4)?
2 answers:
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Answer:
Step-by-step explanation:
Given
sinΘ = =
Then the hypotenuse = 5 and one leg of the right triangle is 3
Using Pythagoras' identity to find the second leg (x)
x² + 3² = 5²
x² + 9 = 25 ( subtract 9 from both sides )
x² = 16 ⇒ x = 4
cosΘ = =
Answer:
<em>The price at which A bought the item is $1200.</em>
Step-by-step explanation:
Suppose, the price at which A bought the item is dollar.
A sells the item to B at 15% profit. That means, the selling price to B dollar.
B sells the same item to C at 20% profit. That means, the selling price to C dollar.
Given that, C pays $1656 for the item. So, the equation will be.......
So, the price at which A bought the item is $1200.