-2x +5 < 7
-2x < 2 . . . . . . subtract 5
x > -1 . . . . . . .. divide by -2, which reverses the relationship
The 1st selection is the correct one.
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Check
Choose x = 0 > -1.
.. -2*0 +5 < 7
.. 5 < 7 . . . . . . . . . . true
Choose x = -1, not in the solution set.
.. -2*-1 +5 < 7
.. 7 < 7 . . . . . . . . . . not true, as expected
3/5 miles = 0.6 miles
0.6/4= 0.15 miles
Nikki walked 0.15 miles or 3/20 miles.
Multiply the bottom of the fractions together (4*5=20) and the tops (3*1=3) to get 3/20.
Answer: I subtracted 8 from both sides then divided 3 on both sides
Step-by-step explanation: welcome
Answer:
First take the numerator, 3^10. Then you subtract 3^-2.so 10-(-2)=12 ANSWER=3^12
Step-by-step explanation: