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2 years ago

Which expression is equivalent to 3x^-6y^-3 / 15x^2y^10? Assume x ≠ 0, y ≠ 0

Mathematics

1 answer:

9966 [12]2 years ago

3 0

$\textsf {Simplifying the exponents :}$

$\mathsf {\frac{3x^{-6}y^{-3}}{15x^{2}y^{10}}}$

$\mathsf {\frac{1}{5x^{(2+6)}y^{(10+3)}}}$

$\mathsf {\frac{1}{5x^{8}y^{13}}}$

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A ball is launched straight up in the air from a height of 6 feet. Its velocity (feet/second) t seconds after launch is given by

german

Step-by-step explanation:

A ball is launched straight up in the air from a height of 6 feet. The velocity as a function of time t is given by :

f(t) = -32 t+285

Height of the ball is :

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At t = 9 s, $h(t)=-16(9)^2+285(9)+6=1275\ m$

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