Answer:
for the first card selected, just multiply the number of cards of that kind over the total amount (30) by the new number of cards of that kind over the new total amount (29)
sample space is 10+6+9+5=30
7. 10/30*9/29=0.103
8. 6/30*5/29
9. 9/30*6/29
10. 5/30*9/29
11. 21/30*20/29
12. 19/30*18/29
Answer:
D. survey thirty 6th grades
Step-by-step explanation:
The correct answer is B, C and E
Answer: At least 9 vehicles
Step-by-step explanation:
Let the number of vehicles be represented by x
Based on the information given, will be calculated using the equation below:
2400 + 250x ≥ 4500
250x ≥ 4500 - 2400
250x ≥ 2100
x ≥ 2100 / 250
x ≥ 8.4
The person must sell at least 9 vehicles
Answer:
Step-by-step explanation: AS YOU KHOW THW ABSOLUTE VALUE OF A QUESTION IS NUMBER ITSELF IF THERE IS MINUS SIGH THEN THE SIGH OF A NUMBER WILL BECOME PLUS OR IF THERE IS A PLUS SIGH THEN THERE IT WILL REMAIN AS IT IS. IF THERE IS NO NUMBER WITH THE MINUS SIGH THEN THE MINUS SIGH WILL REAMIN AS IT IS.
+2 +9 - +2
The answer has same sigh, then Plus answer will you get is
+11 - 2 then you will minus the answer will be
+9
HOPE IT HELP YOU