Answer:
40 students
Step-by-step explanation:
16 = 40%
Divide by two to get 20% = 8
Then multiply by 5 to get 40 = 100%
There’s other ways to do this, BUT this is the way that I solve it.
Answer:
1.5326
Step-by-step explanation:
there is no more simplification it can only be calculated by a calculator
Answer:
c
Step-by-step explanation:
9514 1404 393
Answer:
57,001 cm², or 5.7 square meters
Step-by-step explanation:
The surface area of a cylinder is given by the formula ...
A = 2πr(r +h)
A = 2π(14 cm)(14 cm +40 cm) = 1512π cm²
Then 12 cylinders will have an area of ...
12 × 1512π cm² = 18,144π cm² ≈ 57,001 cm²
Rui Feng wants to paint a total surface area of 57,001 cm², about 5.7 square meters.
Step-by-step explanation:
1) Thousands
2) 100 thousands
3) tens