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kenny6666 [7]
3 years ago
8

James throw a ball from the root of a building. The ball fell 3 feet in the first second, 9 feet in the next second, and 27 feet

in the third second. Which expression represents the distance the ball fell at the nth second?
Mathematics
1 answer:
Olegator [25]3 years ago
7 0
D=1/2.g.t^2,


where D=distance the object has fallen, g=9.81m/sec^2(being the pull of gravity), t=time elapsed in seconds.
You might be interested in
Even more trig ratios see attachment
egoroff_w [7]

Step-by-step explanation:

1. Use the Pythagorean theorem to solve for side KM:

  • 16^2+KM^2=34^2
  • 256+KM^2=1156
  • KM^2=900
  • KM=30

2. Cosine is adjacent over hypotenuse, so cosine of M would be KM/34, or 30/34

3. Tangent is opposite over adjacent, so tangent of L will be KM/16, or 30/16

4. Sine is opposite over hypotenuse, so sine of M will be 16/34

5. KM=30, solved for in step 1.

hope this helps!!

4 0
3 years ago
My area is 93 x 81. what is the square footage
Sidana [21]
What you do is you do 93 x 81.

                             93
                          x 81
                      ------------
                              93
                        + 7440
                      -------------
                           7,533

That's the square footage. Hope it helps!
5 0
4 years ago
3.
g100num [7]

Answer:

B & D

Step-by-step explanation:

B & D

4 0
3 years ago
Read 2 more answers
Michael has 13 1/4 pizzas left in the freezer at his pizza shop. The next day a group comes in and orders 5 1/3 pizzas how many
Papessa [141]

Answer:

8 1/12

Step-by-step explanation:

13 1/4 - 5 1/3  = (13-5) + (1/4 - 1/3)

                      = 8 + (4/12 - 3/12)

                      = 8 1/12

8 0
3 years ago
What is the conditional probability that exactly four heads appear when a fair coin is flipped five times
cestrela7 [59]

Answer:

5/32

Step-by-step explanation:

If a coin if flipped five times with four heads, then it has exactly one tail. The number of way to arrange four heads and one tail are as follows:

T H H H H

H T H H H

H H T H H

H H H T H

H H H H T

Essentially, there are five way because there are five "positions" where the tail could be.

Then, you need to find the total amount of possibilities for flipping a coin five times. Every time you flip it, there are two possibilities- heads and tails. Therefore, for five flips, the total amount of possibilities is

2x2x2x2x2 = 32

You know that

probability= # of desired outcome

                   ----------------------------------  

                      # of total outcomes

So the probablity is 5/32.

8 0
3 years ago
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