3 years ago

A ball dropped from the top of a building can be modeled by the function

1 answer:

4 0

A ball dropped from the top of the building can be modeled by the function f(t)=-16t^2 + 36 , where t represents time in seconds after the ball was dropped. A bee's flight can be modeled by the function, g(t)=3t+4, where t represents time in seconds after the bee starts the flight.

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If y = 80 when x= 32, what is the value of y when x = 5?

REY [17]

Answer: 12.5

Step-by-step explanation:

32 divided by 5= 6.4

80 divided by 6.4= 12.5

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3 years ago

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2. Yumi takes hour to complete 50 math problems. Eric is able to complete 48

8090 [49]

Answer:yumi is faster by two questions Step-by-step explanation:

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Nelson finds a video game for $38.50. the game is on sale for $31.57. what is the present of discount on the game?

storchak [24]

38.5-31.57=6.93 meaning 6.93/38.5 = .18 = 18%

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3 years ago

Can someone please explain how to do this?

wolverine [178]

Answer: 15,000

Step-by-step explanation:

When you subtract 75,000-60,000, you will get 15,000 and 15,000 is the Variance.

Hope this helps! Thanks for asking.

7 0

4 years ago

find the sum of a 9-term geometric sequence when the first term is 4 and the last term is 1,024 and select the correct answer be

olasank [31]

Hello,

$u_{1} =4\\
 u_{2} =4*q\\
 u_{3} =4*q^2\\
...\\

 u_{9} =4*q^8\\\\
==\textgreater\ 4*q^8=1024\\
==\textgreater\ q^8=256\\
==\textgreater\ q=2\mbox{( and there is a problem in the question) } \ or \ q=-2\\
if\ q=2 \ then\ \sum_{i=0}^{8}\ 4*(2)^i= 4*\dfrac{1-2^9}{1-2} =2044\\

if \ q=-2 \ then\ \sum_{i=0}^{8}\ 4*(-2)^i= 4*\dfrac{1-(-2)^9}{1+2} =684\\



$

Answer B (but see the problem)

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3 years ago

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