Answer:
solution given:
length[l]=3 in
breadth [b]=5in
height [h]=8in
total surface area of the rectangular prism=?
we have
total surface area of the rectangular prism
=2[lb+bh+lh]
=2[3*5+5*8+3*8]
=158 in²
<u>total surface area of the rectangular </u><u>prism</u><u> </u><u>is</u><u> </u><u>1</u><u>5</u><u>8</u><u> </u><u>in²</u><u>.</u>
B convenience sampling because if it looks bad then she should throw it away but if it looks good then she should keep it
Basically adding a negative means subtracting and vice versa so
-13+-11=-13-11=-24
9514 1404 393
Answer:
12 ft
Step-by-step explanation:
Let the width of the room be represented by w. Then the length is (2w-2), and the area is ...
A = LW
264 = (2w-2)w
132 = w² -w . . . . . . . divide by 2, eliminate parentheses
132.25 = w² -w +.25 . . . . . add (-1/2)² to complete the square
√132.25 = w -0.5 . . . . . take the square root
0.5 +11.5 = w = 12 . . . . . add 0.5; use the positive root
The width of the living room is 12 feet.