Mathematics, 29.05.2020 18:02 mandy9386
Suppose we want to choose 3 objects, without replacement, from the 4objects pencil, eraser, desk, and chair.
How many ways can this be done, if the order of the choices is relevant?
How many ways can this be done, if the order of the choices is not relevant?
Answers: 3
Mathematics, 21.06.2019 13:30
The decibel level of sound is 50 db greater on a busy street than in a quiet room where the intensity of sound is watt/m2. the level of sound in the quiet room is db, and the intensity of sound in the busy street is watt/m2. use the formula , where is the sound level in decibels, i is the intensity of sound, and is the smallest sound intensity that can be heard by the human ear (roughly equal to watts/m2).
Answers: 1
Mathematics, 21.06.2019 15:00
Pete is making decorations for a dinner party. the instructions tell him to use 9 flowers for a medium-sized decoration. complete each statement to adjust the flowers for different-sized decorations based on these instructions.
Answers: 2
Mathematics, 21.06.2019 17:30
1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?
Answers: 1
Suppose we want to choose 3 objects, without replacement, from the 4objects pencil, eraser, desk, an...
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