Hawaii is the only state completely made up of islands. Rhode Island has ______(A)_____ islands but lies primarily on the U.S. mainland. _____(B)______ of the 50 states border an ocean.
(A) If a circle is divided into 180 equal parts, how many parts must be removed in order for 80% of the circle to be left over?
2
(B) Find x if (x+1)squared = 400 and x = lxl.
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A. 100-80=20, 20%=1/5, 180/5=36 Answer:36
ReplyDeleteB. √400=20, 20 -1= 19 Answer:19
A. 36 islands
ReplyDelete100 percent - 80 percent=20 percent
180 times .20(for twenty percent)= 36
B. 19 states
x+1squared=400 x=1x1
400/20
x+1=20
-1 -1
x=19