Answer:
3x - 4y = -4
Step-by-step explanation:
substitute the ordered pair into each equation and ensure that it comes out to be true.
The speed of this:
70 miles per hour
1 hour = 60 minutes
70/60 = 7/6
around 1 1/6 mile per minute
hope this helps
Answer: 0.33 , 1/4 , 1/8 , 0
Step-by-step explanation:
1/4 is 0.25
1/8 is 0.125
After converting to decimal it’s all easy
20.sometimes
21.always
22.always
23.sometimes
-2x^2 + 3x - 9 = 0
The quadratic is not factorable so quadratic formula must be used.
x = (-b + - √(b^2 - 4ac))/2a
a = -2, b = 3, c = -9
x = (-3 + - √(9 - 4*-2*-9))/-4
x = (-3 + - √(-63))/-4
x = -3 + - 3i√7
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-4
x = 3 + 3i√7 x = 3 - 3i√7
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4 4
