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Licemer1 [7]
3 years ago
15

The key numbers of a rational expression are its ________________

Mathematics
1 answer:
almond37 [142]3 years ago
5 0

<span>Rational expressions are defined as the quotients of two integers in which the denominator does not equal to zero. Thus, the numerator and denominator would be polynomials, which is a form of a system analogous to the integers under the operation of addition, subtraction and multiplications. Therefore, the key numbers of rational expressions are its variables in the numerator and/ or denominator.</span>

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Andrew [12]
The correct answer is A. 9/12 times 48.
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A BASKETBALL PLAYER MAKES A BASKET THROUGH A TEN FOOT HIGH BASKET FROM 20 FEET AWAY. IF THE SHOOTER RELEASES THE BALL FROM 8 FEE
mixas84 [53]

Answer:

The vertical velocity of the ball when released = 10.81 m/s

The vertical velocity of the ball in the basket = 8.81 m/s

Step-by-step explanation:

The given parameters are;

The height of the basket = 10 feet

The horizontal location of the shooter from the basket = 20 feet

The height from which the shooter releases the ball = 8 feet

The horizontal velocity of the ball = 10 ft/s

Therefore, we have;

Time, t = Horizontal distance/(Horizontal velocity)

t = 20/10 = 2 seconds

The vertical velocity is given as follows;

s = u·t - 1/2·g·t²

Where;

u = The vertical velocity

s = The height above the initial height from which the ball is released

s = y - y₀

Where;

y = The final height of the ball in the calculation = The height of the basket = 10 foot

y₀ = The initial height from which the ball is released = 8 feet

∴ s = 10 - 8 = 2 feet

g = The acceleration due to gravity = 9.81 m/s²

Substituting gives;

2 = u × 2 - 1/2 × 9.81× 2²

u = (2 + 1/2 × 9.81× 2²)/2 = 10.81 m/s

The vertical velocity of the ball when released = 10.81 m/s.

The vertical velocity of the ball in the basket is given by the following relation;

v² = u² - 2·g·s

v² = 10.81² - 2×9.81×2 = 77.6161

v = √(77.6161) = 8.81 m/s

The vertical velocity of the ball in the basket = 8.81 m/s

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Answer:

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pickupchik [31]

Answer:

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Step-by-step explanation:

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2) the required distance is:

d=\sqrt{(-3-0)^2+(4-0)^2} =5.

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tensa zangetsu [6.8K]
I think it is 2.5,2.5
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3 years ago
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