140x 0.3= 42
140- 42= 98
So A. $98 is correct.
Answer: 376 cm^2
Step-by-step explanation:
First you would double all the dimensions:
l = 5 cm x 2 = 10 cm
w = 4 cm x 2 = 8 cm
h = 3 cm x 2 = 6 cm
The formula for finding the surface area of a rectangular prism is A=2(wl+hl+hw)
Substitute the values:
A=2(8*10+6*10+6*8)
Solve using PEMDAS:
A=2(80+60+48)
A=2(188)
A=376
Surface area is always in units^2:
376 cm^2
Ill assume it is :-
tan^2 A - 2 tan A + 1 = 0
(tan A - 1)^2 = 0
tan A = 1
m < A = 45, 225 degrees ( where 0 < m A < 360 )
Fraction = 3/7
decimal = approximately 0.429
percentage = approximately 42.86%
Answer:
4*10^-6
Step-by-step explanation:
