5. The table below shows the number of survey subjects who have received and not received a speeding ticket in the last year, an
d the color of their car.Red CarNot Red CarTotalSpeeding Ticket162541No Speeding Ticket215279494Total231304535If one person is randomly selected from the group, what is the probability that this person does not drive a red car or did not get a speeding ticket?
1 answer:
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Answer:
Part A)
1)
2)
Part B)
1)
2)
Step-by-step explanation:
Part 1) x and y vary inversely and x=50 when y=5 find y when x=10 what is k?
we know that
A relationship between two variables, x, and y, represent an inverse variation if it can be expressed in the form or
step 1
<u>Find the value of k</u>
x=50 when y=5
substitute the values
------>
----->
The equation is equal to
or
step 2
<u>Find y when x=10</u>
substitute the value of x in the equation and solve for y
Part B) x and y vary directly and x=6 when y=42 find k what is y when x=12
we know that
A relationship between two variables, x, and y, represent a direct variation if it can be expressed in the form or
step 1
<u>Find the value of k</u>
x=6 when y=42
substitute the values
------>
----->
The equation is equal to
or
step 2
<u>Find y when x=12</u>
substitute the value of x in the equation and solve for y