Answer: y = - 40/9
Step-by-step explanation:
3 + 2y / 8 = 1 - y / 5
120 + 10y = 40 - 8y
10y + 8y = 40 - 120
18y = -80
y = -40 /9
Answer:
Distance = 10 km
Step-by-step explanation:
Let x be the number of hours taken from school to town and y be the number of hours taken back to the school
Then distance covered during first trip would be 10x (distance = speed*time) and during the second trip would be 8y. Both distances are equal.
=> 10x = 8y
Dividing both sides by 2
=> 5x = 4y
=> 5x-4y = 0 ------------------(1)
<u><em>The total time for both the trips is:</em></u>
=> x + y = 2.25 -------------------(2)
Multiplying eq (2) by 5
=> 5x+5y = 11.25 ---------------(3)
Subtacting (3) from (1)
=> 5x-4y-5x-5y = 0-11.25
=> -4y-5y = -11.25
=> -9y = -11.25
Dividing both sides by -9
=> y = 1.25 hrs
Putting in (2)
=> x + 1.25 = 2.25
=> x = 2.25 - 1.25
=> x = 1 hr
<u><em>Now, Calculating the Distance</em></u>
=> Distance = 10x
=> 10 ( 1 )
=> Distance = 10 km
Answer:
I have attached a picture of the completed graph.
The equation is k = r + 7
Kyle will be 59 when Ryan is 52.
Explanation:
Kyle's age is always seven years higher than Ryan's age.
Therefore, k (Kyle's age) = r (Ryan's age) + 7 (Number of years different)
10-x=3x-4 = 3.5
Answer: 3.5
Answer:
There is reason to suspect that the poll is biased.
Step-by-step explanation:
This poll is being sponsored by the Idaho Potato Commission, and the favorite vegetable was found to be the potato according to the poll. This might be seen as a conflict of interests since it is plausible to believe that the Idaho Potato Commission would have wanted the potato to be selected as the favorite vegetable. Therefore, there is reason to suspect that the poll is biased.