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dmurdock1973
29.11.2019 •
Mathematics
Alice spins the spinner 3 times. what is the probability that she spins an a, then a b, and then a c?
a. 1/3
b. 1/9
c. 1/27
d. 1/12
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Ответ:
Percentage: 33.3%
Decimal Form: .3
Ответ:
part 1)
part 2)
part 3)
part 4)
part 5)
part 6)
part 7) property of equality
part 8) add on each side and multiply by
part 9)
part 10) draw a closed circle on and shade to the left
part 11)
part 12) divide by on each side and flip the sign
part 13)
part 14) the closed circle ●
step-by-step explanation:
part 1) we have
multiply by both sides
subtract both sides
> multiply by
part 2) we have
divide by both sides
> multiply by
part 3)
let
> cost of the game for each person
> cost of the rent of shoes per person
we know that
> equation a
substitute the value of s in the equation a
part 4) we have
subtract both sides
>
part 5) we have
> equivalent to
part 6) we have
a number is no less than seven
if the number is no less than seven
then
the number is greater than seven
let
> the number
part 7) we know that
the property of equality establishes that if what is done on one side of the equation is also done on the other side of the equation, then equality remains true
part 8) we have
step 1
adds both sides
step 2
multiply by both sides
therefore
add on each side and multiply by
part 9) we have
the speed limit on a highway is miles per hour
that means
the speed must be less than or equal to miles per hour
so
let
> the speed in miles per hour
the inequality that represent this situation is
part 10) we have
multiply by both sides
the solution is the > (-∞,-6]
the number is included in the solution set
therefore
draw a closed circle on and shade to the left
part 11) we have
the sum of five times a number and four is equal to negative eleven
let
> the number
we know that
the sum of five times a number and four >
equal to negative eleven >
the complete equation that represent this situation is
part 12) we have
divide by on each side and flip the sign
part 13) we have
the sum of five times a number and four is equal to negative eleven. what is the number?
let
> the number
we know that
the equation that represent the situation is
subtract on each side
divide by on each side
part 14) we know that
the symbol that indicate that a value is included in a solution set is
the closed circle ●