Answer:
Step-by-step explanation:
So what is the probability of the selecting the first coin? There are total of 4 different coins, so the probability of getting a dime is 1 out of 4, then he replace it, then again the probability stays the same, he still has 1 out 4 chance of getting a dime. So then it's just 1/4*1/4=1/16 :)
Answer:
The range of numbers that Nidhi might be thinking of is between 3 and 9.
Step-by-step explanation:
We are given that Nidhi is thinking of a number n, and she wants her sister to guess the number.
Her first clue is that eight less than three times her number is between one and nineteen.
Let the number Nidhi is thinking be 'n'.
So, eight less than three times her number means that;

Now, according to the question; the above equation is between one and nineteen, so;

Adding 8 to the whole expression;


Dividing the whole expression by 3;


Hence, the range of numbers that Nidhi might be thinking of is between 3 and 9.
Answer:
75
Step-by-step explanation:
Let full marks be x
Then pass marks is 40% of x which is 0.4x
As per given, we have
22= 0.4x - 8
Solving for x
0.4x = 30
x = 30/0.4
x = 75
So full marks is 75
Answer: Hey there! Here are the answers to your question.
Step-by-step explanation:
1. D3+4E is a...
A. Sum
--------------------
2. D3 is also a...
A. Quotient.
---------------------
4E is also a...
A. Product.
If I got any answers wrong, I'm really sorry for my mistakes.
Good luck and I hope this help you out!
Answer:
the answer is B
Step-by-step explanation:
Your welcome.