Five times fiver equals 25
Answer:
option (d) 17.7%
Step-by-step explanation:
Data provided in the question:
Mass of the ore of copper extracted from the backyard = 65.0 grams
Mass of the copper extracted from the ore of copper = 11.5 grams
Now,
The mass percent of copper discovered
= [ ( Mass of the copper extracted ) ÷ ( Mass of the copper ore extracted ) ] × 100%
= [ 11.5 grams ÷ 65.0 grams ] × 100%
= 17.692% ≈ 17.7%
Hence,
the answer is option (d) 17.7%
Answer:
The center of the data is to the right of the dot plot for both teachers and students.
There is a greater variation in the data for teachers than for students.
The center of the data for students has a value less than that of the center of the data for teachers.
Step-by-step explanation:
Answer: August or the 8th month
Step-by-step explanation:
Assuming the month that the costs will be the same is x.
Gym A cost function will be = 60 + 10x
Gym B cost function will be = 20 + 15x
The formula will therefore be;
60 + 10x = 20 + 15x
60 - 20 = 15x - 10x
40 = 5x
x = 8
8th month is August.
