Richard goes to the electronics store. He buys 2 memory cards that cost $8.99 each and 3 packages of batteries that are on sale
2 answers:
Answer:
$82.36
Step-by-step explanation:
Given :
Richard buys 2 memory cards that cost $8.99 each and 3 packages of batteries that are on sale for $7.47 each.
He also buys a case for his cell phone for $2.99 and a wireless headset for $29.99.
To Find: What is the total cost of Richard’s items, before sales tax?
Solution:
Cost of 1 memory card = $8.99
Cost of 2 memory card =
Cost of 1 battery = $7.47
So, cost of 3 batteries =
Cost of cell phone = $2.99
Cost of headset = $29.99
Total cost of Items = $8.99+$17.98+$22.41+ $2.99+ $29.99
=$82.36
Thus the total cost of Richard’s items, before sales tax is $82.36
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Answer:
D) Prime
Note that a number whose square root is to be found should not contain a negative sign and if necessary the negative sign should be replaced with "I" which means prime
Step-by-step explanation:
A good look at the photo attached will provide the necessary explanation
The volume of the prop is calculated to be 1,875.6 cubic inches.
Step-by-step explanation:
Step 1:
The prop consists of a cone and a half-sphere on top. We will have to calculate the volumes of the cone and the half-sphere separately and then add them to obtain the total volume.
Step 2:
The volume of a cone is determined by multiplying with π, the square of the radius (r²) and height (h). Here we substitute π as 3.14. The radius is 8 inches and the height is 12 inches.
The volume of the cone: cubic inches.
Step 3:
The area of a half-sphere is half of a full sphere. The volume of a sphere is given by multiplying with π and the cube of the radius (r³).
Here the radius is 8 inches. We take π as 3.14.
The volume of a full sphere cubic inches.
The volume of the half-sphere cubic inches.
Step 4:
The total volume = The volume of the cone + The volume of the half sphere,
The total volume = cubic inches.
Rounding this off, we get the volume of the prop as 1,875.6 cubic inches.