Answer:
4004
Step-by-step explanation:
The number of combinations of choosing r objects from a group of n is nCr.
So the number of ways to get 7, 8, 9, or 10 heads from 13 coin tosses is:
₁₃C₇ + ₁₃C₈ + ₁₃C₉ + ₁₃C₁₀
= 1716 + 1287 + 715 + 286
= 4004
Answer:
∠1 = 110
Step-by-step explanation:
Vertically Opposite angles, means that when you have two parrallel lines, The angles opposite of each other are equal. So 4 = 2 on the bottom line.
This means angle 1 is equal to it's opposite angle, 110'.
After spending 3/7, she is left with;
4/7
Now, 4/7 is equivalent to 72
7/7 is equivalent to?

= 126 dollars
Answer:
d , 10
Step-by-step explanation:
-8 / -4 = positive 2, + (6+2) (eight) = 10
Answer:
3.14
Step-by-step explanation:
if you want the exact answer you can multiply 7 by the value of
, that is = 3.14