Answer:
1 inch.
Step-by-step explanation:
The length of a side of the new square = square root of 25 = 5 ins.
So a side of the original square = 5 - 4 = 1 inch.
Answer:
No
Step-by-step explanation:
Answer:
55
Step-by-step explanation:
The three angles form a straight line, so they add to 180.
x + x + 70 = 180
Combine like terms
2x+70 =180
Subtract 70 from each side
2x+70-70 =180-70
2x= 110
Divide by 2
x = 55
SQT = x
So SQT = 55
Answer:n=-2 or n=4
Step-by-step explanation:
Q is not inversible if det(Q)=0
