Answer:
C [-2 < x]
Step-by-step explanation:
-6(x - 2) < 24
________ ___
-6 -6
x - 2 > -4
+ 2 + 2
_________
x > -2
** Whenever you divide\multiply by a negative, you reverse the inequality symbol.
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Answer:
x= 3
Step-by-step explanation:
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Set 500 to sum of distances traveled by both cars.
Answer:
Amount of Niobium-91 initially
= 300/91 =3.2967mol
2040 years = 3 ×680 = 3 half-lives
therefore, amount left = 0.4121mol
mass of Niobium-91 remaining = 0.4121 ×91 =37.5g
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The answer is b just take the decimal off and subtract