Answer:
French test
Step-by-step explanation:
We first calculate the scores as percentages:
#Spanish test:
#For the French test, her percentage is:
Since, 90.48$>84.38%, Claire did better in the French test.
Answer:
I believe the answer is b
Step-by-step explanation:
Answer:
5 bags of cement are required.
Step-by-step explanation:
Since to make concrete, the ratio of cement to sand is 1: 3, if cement and sand are sold in bags of equal mass, to determine how many bags of cement are required to make concrete using 15 bags of sand the following calculation must be done:
Cement = 1
Sand = 3
3 = 15
1 = X
15/3 = X
5 = X
Therefore, 5 bags of cement are required.
Answer:
B
Step-by-step explanation:
The SA of a cone is A=pi*r^2+pi*r*s
So instead of pi*5^2, it should be pi*3*5 (5 is the length of the slant).
