Answer:
x=-7
Step-by-step explanation:
xe^-x+7e^-x=0
factor out the e^-x
e^-x(x+7)=0
e^-x=0, x+7=0
-x=ln(0), x=0-7=-7,
since ln(0) is undefined,
the only solution is -7.
Answer:
I think it will be rectangle or square
because rectangle and Square have 4 right angles
and each two opposite sides are parallel
Answer:
0.311,31%,0.3
Step-by-step explanation:
0.311 is the greatest
31% is second greatest
0.3 is smallest
Answer:
1/2
Step-by-step explanation: