The mean is the average of the numbers. It is easy to calculate: add up all the numbers, then divide by how many numbers there are. In other words it is the sum divided by the count.
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the formula used gives surface area instead of volume
that's right the way you have it right now in the picture all adds up to 65
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Step-by-step explanation:
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Step-by-step explanation:
Well first you have to find the dimensions of the frame, you can find that by subtracting the dimensions of the photo from the whole dimensions so it will be the
length of the photo and frame - length of the photo = 25- 20 = 5 length of the frame
Now the width of the photo and frame - width of the photo = 20 -16 = 4 the width of the frame
ok so the Area of the rectangle = width x length = 4 x 5 = 20 the Area of the frame
Hope that helps
