Mathematics, 14.07.2019 23:00 Isaiahtate053
Hannah has a jar filled with 150 coins made up of quarters and nickels. the total value of the coins is $28.30. let x represent the number of quarters in the jar. which equation can be used to find the number of quarters?
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Mathematics, 21.06.2019 16:50
The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left
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Mathematics, 21.06.2019 18:00
Asquare has a perimeter of sixteen centimeters. what is the length of each of its sides? a. 8 cm c. 9 cm b. 4 cm d. 10 cm select the best answer from the choices
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Mathematics, 21.06.2019 19:00
The fraction 7/9 is equivalent to a percent that is greater than 100%. truefalse
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Mathematics, 21.06.2019 20:30
Answer asap ill give ! ’ a sample of radioactive material decays over time. the number of grams, y , of the material remaining x days after the sample is discovered is given by the equation y = 10(0.5)^x. what does the number 10 represents in the equation? a. the half-life of the radioactive material, in days b. the amount of the sample, in grams, that decays each day c. the time, in days, it will take for the samples to decay completely d. the size of the sample, in grams, at the time the material was discovered
Answers: 1
Hannah has a jar filled with 150 coins made up of quarters and nickels. the total value of the coins...
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