so basically for this problem you're just going to plug in the point (3,-3) into every equation, keeping in mind that the 3 is the x value and that the -3 is the y value. once you plug it in you can just use order of operations (pemdas) to solve.
the equations that do work with the point (3,-3) are (2x+4y=-6)
(2x-3y=15)
(8x+3y=15)
(7x-2y=-24)
Step-by-step explanation:
so to work one of these problems you take (2x+4y=-6) and plug in your variables.
2(3)+4(-3)=-6
then you're going to multiply
6-12=-6
the subtract the negative twelve from the 6
-6=-6
so we get a true statement. if you do this and the two numbers don't match then the equation does not work with your point. I hope this helps!
Answer:rational
Step-by-step explanation:
Answer:
Step-by-step explanation:
t=d/r. The distance is 15 the rate is 3m per seconds So you divide 15/3 =5. It will take him 5 seconds to walk 15 mi
The answer C make more sense.
Answer:
Step-by-step explanation:
÷
↓ ↓ ↓
leave it change it turn it over
×
now solve it
× =
now simplify it
=