X+5y=17
-4x+3y=24
how to solve this problem...
Answers: 3
Mathematics, 21.06.2019 14:30
You’re repairing a large rectangular aquarium. the final step is to cover the glass with a protective film. the front and back of the aquarium measure 4 meters by 2 meters, and the sides of the aquarium measure 3 meters by 2 meters. how many square meters of protective film do you need? ( )
Answers: 1
Mathematics, 21.06.2019 18:00
Look at arnold's attempt to solve the equation for b: 3b = 12 b = 3 · 12 b = 36 describe the mistake that arnold made.
Answers: 2
Mathematics, 21.06.2019 21:00
If there are 3.281 feet in 1 meter, how many inches are in one centimeter
Answers: 1
Mathematics, 21.06.2019 21:50
Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?
Answers: 1
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