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Numeri interi
Matematica
Middle School Math
Numeri interi

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 Name _____________________________ Date ___________________
Numeri interi
Completa.

 1 Ashley dried some plant roots in the oven. She found that the mass of the roots changed by-30%. The mass after drying was30grams. What was the mass before drying? Round your answer to the nearest whole number.
 2 Eric prepares an ice bath to cool a beaker of reagents. It is rather warm in the room that day (28C), and the beaker begins to cool at a rate of-6C per minute. At that rate how long will it take the beaker to get to3C?
 3 If a dense plastic block is dropped into a tank of water, it experiences a change in velocity of-5m/s. If the original velocity was18m/s, what was the velocity immediately after it hit the water?
 4 Three cars came to a sudden stop on the highway. The acceleration of one was-26m/s2. The acceleration of another was-35m/s2. The acceleration of the other car was exactly halfway between the other two accelerations. What was the acceleration of the third car?
 5 Thomas has not been too successful when running the quarterback sneak play for the Smallville football team this year. On seven attempts, he has achieved the following results (in yards):-1,0,1,-3,-2,-5, and2. What is his average yardage on the quarterback sneak? Round your answer to the nearest tenth.
 6 *Questa è una scheda preparata.Utilizza il link nella parte superiore della pagina per ottenere una pagina stampabile.

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Iscritti a edHelper - Crea un nuovo stampabile
La soluzione include anche le domande
La soluzione fornisce solo le risposte
Nessuna soluzione