Answer:
9.5 lbs
Step-by-step explanation:
To find the total package weight, add up the weights of the packages, or use the shortcut to repeated addition that is called multiplication.
... 1.9 + 1.9 + 1.9 + 1.9 + 1.9 = 5×1.9 = 9.5 . . . pounds
Density = mass/volume
volume cube = side^3 = 5^3 = 125 cm^3, don't forget units!
Density = 250 grams / 125 cm^3 = 2 g/cm^3, with all the units
Answer:

Step-by-step explanation:
The volume of a cone is given as:

where r = radius
h = height of cone
The height of the cone is 17.7 cm and its base radius is 7.9 cm (diameter is 15.8 cm).
Its volume is:

Answer: B
Step-by-step explanation: This is because C = circumfrence and R = radius
and pi is 3.14 which is the formula for finding the circumfrence of a circle
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