Answer:
320 students
Step-by-step explanation:
10,000=400+30x
10,000-400
9600=30x
9600/30
320=x
Answer:
This, simplified would be 2x-10
Yes -1 is a rational number. We can express it as a fraction of two whole numbers
One way is -1 = -1/1
Answer:
The answer to your question is letter c and d.
Step-by-step explanation:
A. 15 × 9 = 135 and 135 – 75 = 60 This answer is not correct because it is not necessary to multiply the # members by the cost of each tree, the answer is incorrect.
B. 3 × 15 = 45 and 45 + 15 = 60 This answer is incorrect because it's using a number 3 that is not part of the data.
C. 45 ÷ 9 = 5 and 5 × 15 = 75
. This answer is correct, first finds the number of tree bought by each member and after that multiply it by the cost of each tree.
D. 45 × 15 = 675 and 675 ÷ 9 = 75 This answer is correct, first found the total cost and after divide it by the number of members.
Answer:
mean = 0.41
SD = 
Step-by-step explanation:
khan told me
