So first of all you'd want to convert the miles to yards. So 139 miles is 244640 yards. Then you'd have to divide that by 3600, because that's how many seconds are in an hour. This is about 68 yd/s

3 0

4 years ago

How do you solve this question 2(x-2)+3(x+1)=9

fomenos

2(x - 2) + 3(x + 1) = 9

2x - 4 + 3x + 3 = 9 distributed the 2 and 3 on the left side

5x - 1 = 9 added like terms (2x + 3x) and (-4 + 3)

5x = 10 added 1 to both sides

x = 2 divided 5 from both sides

Answer: x = 2

8 0

3 years ago

the equation of the quadratic function represented by the graph is y=a(x-3)^2-1 what is the value of a

Mariana [72]

Answer:

a = 1/(x-3)^2 + y/(x-3)^2

Step-by-step explanation:

5 0

3 years ago