Answer:
84.8 sq in
Step-by-step explanation:
The area of the top and bottom are each 1/2(3.7 x 4) = 7.4, so they total 14.8
2 of the sides are 5 x 5 = 25, so they total 50
1 side is 5 x 4 = 20
14.8 + 50 + 20 = 84.8 sq in
Answer:
The density of powdered sugar is 
Step-by-step explanation:
We are given that A student measures the mass of an 8 cm^3 block of confectioner’s (powdered) sugar to be 4.49 grams
Mass of block of confectioner’s (powdered) sugar = 4.49 grams
Volume of block = 8 cubic cm
We are supposed to find the density of powdered sugar.
So, 

Density =
Hence the density of powdered sugar is 
Answer:
(9g - 6f)(9g + 6f)
Step-by-step explanation:
81g^2 - 36f^2 =
(9g)² - (6f)² =
(9g - 6f)(9g + 6f)