The answer is C
By the way, that expression means "n choose k". Hope I helped!
Answer:
1st= 47/7 or 6.71
2nd= 48/7 or 6.857
Step-by-step explanation:
1st number =X and 2nd number = Y
According to question, X+7=2Y
20+Y=4X
X=2Y-7 (from 1st condition)
putting in it second
20+Y=4(2Y-7)
20+Y=8Y-28
20+28=8Y-Y
48=7Y
Y=48/7
so X=2(48/7)-7
=96-49/7
47/7
Answer:
No, Because students who have the same math grade can be different heights
Step-by-step explanation:
C is the answer DO NOT PICK D
You have the put the correct input and output IN ORDER so D is the wrong answer

Consider, LHS

We know,

We know,

So, using this identity, we get

can be rewritten as

<h2>Hence,</h2>

