Someone please help!!!
1 answer:
#3. the probability of spinning "rock" is 25% or 1/4 so we can use this probability to predict the number of times we would expect to get "rock" in 80 spins as follows:
25% of 80 = .25(80) = 20 So how likely is it we spin 20 'rock' out of 80 spins? At 25%, not very likely..
#4.
A. True
B. True
C. False, the theoretical probability of make make using the spinner is
or about 56%
25% of 80 = .25(80) = 20 So how likely is it we spin 20 'rock' out of 80 spins? At 25%, not very likely..
#4.
A. True
B. True
C. False, the theoretical probability of make make using the spinner is
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Check the picture below.
so... you can pretty much see how long RS and QT are, you can just count the units off the grid.
now, let's find QR's length
and let's also find the length for ST
so, add the lengths of all sides, and that's the perimeter of the trapezoid.
so... you can pretty much see how long RS and QT are, you can just count the units off the grid.
now, let's find QR's length
and let's also find the length for ST
so, add the lengths of all sides, and that's the perimeter of the trapezoid.