Answer:
WXR=33
Step-by-step explanation:
Answer:
there are 3.
Step-by-step explanation:
3, 4 and 3 are all significant numbers
Answer:
npr= n! /(n-r) !
nCr= =(n r) = n! /r!(n-r)1
Step-by-step explanation:
Answer:
x=71
Step-by-step explanation:
38+x+x=180
x+x=142
2x=142
x=71
163-x=-52
first subtract 163 and you get -215
now it looks like -x=-215
then the negative signs cancel out and its now x=215
