Writing an inequality
Question: Ann earns $7.75 per hour working. She needs at least $425 for a stereo. Write an inequality that describes how many hours she must work to reach her goal.
Choices:
x > 56 hours
x >= 56 hours
x >= 54 hours
x >= 55 hours
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Write the total ionic and net ionic equations for the reaction of aqueous silver nitrate with a calcium chloride solution.
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Ann earns $7.75 per hour working. She needs at least $425 for a stereo. Write an inequality that describes how many hours she must work to reach her goal.
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Consider the equation (-1)(-1)+(-1)=0. How can this equation be true? Can you use the properties of operations to prove your conjecture?
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