The hypotenuse of a right triangle is 50 and the short leg is 30, find the projection of the leg onto the hypotenuse
1 answer:
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The value of x must be 25.0. The correct option is the second option- 25.0
<h3>Solving Linear equations </h3>From the question, we are to determine the value of x
From the given diagram, we can write that
m ∠SOR + m ∠UOR + m ∠TOU = 180° (<em>Sum of angles on a straight line</em>)
∴ (2x +8)° + (3x - 14)° + (3x -14)° = 180°
2x° + 8° + 3x° -14° + 3x° -14° = 180°
Collect like terms
2x° + 3x° + 3x° + 8° - 14° -14° = 180°
8x° -20° = 180°
8x° = 180° + 20°
8x° = 200°
x = 200/8
x = 25.0
Hence, the value of x must be 25.0. The correct option is the second option- 25.0
Learn more Solving linear equations here: brainly.com/question/1413277
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Answer:
So after 7 year price of the laptop will be less than $1000
Step-by-step explanation:
We have given price of the laptop is $4500
Its price is 80% of if its value in every next year
So depreciation rate = 100 - 80 =20%
For depreciation we know that
Here V is final value and P is present value
So
Taking log both side
n = 6.74
So after 6.74 year the price of the laptop will be less than $1000