Answer:
7.5kilometer
Step-by-step explanation:
for 30mins semin runs 5kilometer
then for 1min: (1min×5kilometer)÷30mins,
therefore, for 45mins: (45mins×5kilometer)÷30mins=7.5kilometer
Answer:
The answer is 25.
Step-by-step explanation:
This is because 5 goes into 25 and 25 goes into 25 itself. It is the lowest one both denominators fit in. You're welcome.
C
Answer:
173.4
Step-by-step explanation:
Surface area of the cone=pi*r*l+pi*r^2=pi*(4)*(9.8+4)=173.4