philyshahill
24.07.2019 •
Mathematics
Ascience teacher has 0.4 liter of seawater. she gives each of her 22 students a container and a 5- milliliter spoon. she then asks her students to put 2 spoonfuls of seawater into their containers. how many milliliter a of seawater will be left after all 22students have filled their containers? a. 70 b. 180 c. 290 d. 780
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Ответ:
Each student effectively adds 10ml of water so 22 students are adding 10ml of water each. Therefore, 22 x 10 = 220ml total in all the containers added by all 22 students
Water left = 400 - 220 = 180
The answer is B.
Ответ:
z-score is -1.5
Third option is correct.
Step-by-step explanation:
We have been given that
The formula for the z-score is given by
Therefore, the z-score of a company employee who makes an annual salary of $28,000 is -1.5