Question

Jake throws a dart that hits the square shown below:

A square is drawn. A circle of radius 8 units touches the sides of the square.

What is the probability that the dart hits a point in the circle?

16%
21.5%
64%
78.5%


I got D

Answer 1

@TheSmartOne please help me

Answer 2

the idea is that it is the ratio of the areas

Answer 3

Ok is d correct?

Answer 4

square has area \(16^2\) if i read it correctly

Answer 5

circle has area \(64\pi\)

Answer 6

calculate
\[\frac{64\pi}{16^2}\] use a calculator

Answer 7

Ok here it is so u can get it better

Answer 8

yeah i got D too

Answer 9

http://www.wolframalpha.com/input/?i=64pi%2F16^2

Answer 10

go with D looks good

Answer 11

Ok can u help me with like 4 or 5 more please ill tag u ok?

Answer 12

ok

Answer 13

if i know them that is

Answer 14

Henry tossed a coin several times and recorded the number of heads and tails in the following table:


Coin Experiment
Side of Coin Number of
Tosses
Heads 12
Tails 18


What is the experimental probability of getting heads?
0.4
0.7
1.2
1.8

Answer 15

experimental probability means "relative frequency: ratio of favorable to total

Answer 16

total tosses?

Answer 17

I think c or b

Answer 18

total tosses?

Answer 19

yeah it has to be A or B must be less than one

Answer 20

Its A

Answer 21

it is definitely \(\frac{12}{30}\) reduce i guess

Answer 22

yeah \(0.4\)

Answer 23

A paper cup is dropped and its landing position is recorded. The cup can land on the side, on the open end, or on the closed end. The results of 20 trials are shown in the table below:

A chart shows tally marks. Main title for the chart is Paper Cup Experiment. The title for the second column is Number of times occurred. The tally mark corresponding to open shows a set of 4 vertical lines cut by a slanting line. The tally mark corresponding to closed shows a set of 4 vertical lines cut by a slanting line. The tally mark corresponding to side shows 2 sets of 4 vertical lines cut by a slanting line.

Based on the table, which of the following best compares the experimental probability of the cup landing on its open end with the experimental probability of the cup landing on its closed end?

The probabilities are equal.
The probability of landing on the open end is greater.
The probability of landing on the closed end is greater.
No conclusion can be made.

Answer 24

Its C i think

Answer 25

i can't really understand that

Answer 26

Ok 1sec

Answer 27

Here it is

Answer 28

open and closed are the same right? both five

Answer 29

so equal

Answer 30

Yea i say. c

Answer 31

not C, A

Answer 32

But its an extra one at the bottom

Answer 33

let me look again

Answer 34

no looks like 5 and 5 to me