Answer:
420.25
Step-by-step explanation:
If the perimeter is 82, each side is 20.5. Then you do 20.5 x 20.5 to get 420.25.
46. A matrix equation
47. C. square matrix
48. B. Preimage
49. E. Scalar multiplication
50. D. multiplication identity matrix
Answer:
4. x = 7
5. A
Step-by-step explanation:
you can't use a calculator ?
4.
x² = 49
x = 7
5.
sqrt(4) = 2
triple root (8) = 2
sqrt(16) = 4
only sqrt(2) is a never-ending sequence of digits without any repeating pattern after the decimal point. and that is the meaning of irrational numbers. they can never be described by an expression a/b, where a and b are integer numbers.
Answer:
Y = 12
Step-by-step explanation:
3/9 = 4/y
By cross multiplying, we get
3*y = 4*9
3y = 36
Y = 12
Answer:
Hi I'm learning the same thing and I just got it I think it's C=43.98cm