Ava Linda

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1

Sometimes I get confused with the inequalities.You have $47 to spend on music and movie downloads. Each album down load cost $7 and each movie download costs $8. Write and graph a linear inequality that represents this situation. Let x represent the number of albums and y the number of movies. Is the answer: 7x + 8y = 47 (with 47 less than or equal to.) Sorry I don't know how to write the more than or less than signs on your web page.

Seen 1 years ago

2

We're doing a lab report on the hardness of water, and one of the calculations is
"The EDTA reacts with the hard water ions in a 1:1 mole ratio. Calculate the molarity of the ions present in 20 mL of water tested."
How would you do this?

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0

A steel block has a volume of 0.08 m and a density of 7,840 kg/m. What is the force of gravity acting on the block ( the weight ) in water?

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0

A ladder 65 feet long is leaning against a wall. Its lower end is 25 feet away from the wall how much farther away will t be if the upper end is moved down 8 feet?

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3

Some child psychologists have concluded that _________ is the strongest predictor of both scholastic and career achievement.
a.physical illness
b.respect for authority
c.emotional well being
d.inherted intelligence

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