Answer:
x)45
y)45
z)135
Step-by-step explanation:
Hello :
<span>y=-8x-2 and y=-6x+4
-8x-2 = -6x +4
-8x+6x =2+4
-2x =6
x = - 3
y = -6(-3)+4 =22</span>
Answer: He rides for 2.5 hours or 2 and a half hours.
Step-by-step explanation:
He needs to complete a trajectory of 22.5 kilometers.
He rides 9 kilometers per hour.
Divide the total by the amount of kilometers that he rides.
Answer:
Mean = 28.33
Step-by-step explanation:
Comment
You need two inputs. The first is the sum of the numbers and the second is the number of entries in the data.
Givens
Sum = 3 + 32 + 36 + 30 + 33 + 36
Number of entries = 6
Solution
Sum = 170
Mean = sum / number of enteries
Mean = 170 / 6
Mean = 28.33