Answer:
k=-1/5
Step-by-step explanation:
Factor and set each factor equal to zero.
Add 3 to both sides of the equation.
75k^2+30k+3=0
Factor 3 out of 75k^2+30k+3.
Factor using the perfect square rule.
Divide each term by 3 and simplify.
Set the 5k+1 equal to 0.
Solve for k.
Answer:
108 degrees inside each corner
Step-by-step explanation:
360/5=72
180-72=108
Step-by-step explanation:
explain what 7 c is please and I'll write the answer in the comments:))
