Answer: 512 grains on the 10th square. 1023 total grains on all 10 squares.
Step-by-step explanation:
Two ways: add the number of grains on each square
1+2+4+8+16+32+64+128+256+512 = 1023
Or set up an equation using sigma: Σ
Put 10 on top and n=1 on the bottom. Next to it, put 2^(n-1).
Answer: AB=7.74in.;m<A
=57*;m<B=33*
Step-by-step explanation
this symbol means degrees *
y=mx+b
therefore m = 1/2
and b = -6
Answer:
80
720/P = 9/1
Cross multiply.
9P = 720
P = 720/9
P = 80