The answer is 0.0017. Do you not have a calculator?
Are A and B supplementary or complementary
To simplify 7C4 we use the combination formula given by:
nCr=n!/[(n-r)!r!]
thus:
In our case we shall have:
n=7 and r=4
7C4
=7!/[(7-4)!4!]
=5040/[6×24]
=5040/144
=35
The answer is 35
<ADB = 90 degrees
hope it helps
Answer:
10
Step-by-step explanation:I had this