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Andrews [41]
3 years ago
10

Discs of radius 4cm are cut from a rectangular plastic sheet of length 84cm and width 24cm.How many complete discs can be cut ou

t???
a)Find total area of the discs cut

b)The area of the sheet wasted
Mathematics
1 answer:
Ymorist [56]3 years ago
5 0
A is the answer nnnjjjjhgddjhdbcjtz
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A pyramid has a square base that measures 20 inches on each side and 30 inches high. Find the volume of the pyramid.
irinina [24]

The volume of pyramid is 4000 inch³.

<h3>What is Volume?</h3>

Volume is a mathematical term that describes how much three-dimensional space an object or closed surface occupies. Volume is measured in cubic units like m³, cm³, in³, etc. Volume is sometimes referred to as capacity.

The capacity of an object is measured by its volume. For instance, a cup's capacity is stated to be 100 ml if it can hold 100 ml of water in its brim. The quantity of space occupied by a three-dimensional object can also be used to describe volume.

Given:

base = 20 inches

height = 30 inches

Now, volume of pyramid

Volume = a²h/3

Volume = 20 x 20 x 30 /3

Volume = 400 x 10

Volume = 4000 inch³

Hence, the volume of pyramid is 4000 inch³.

Learn more about volume of pyramid here:

brainly.com/question/1578538

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1 year ago
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The actual distance between Kalamazoo and Ann Arbor is miles.
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Distance between Kalamazoo and Ann Arbor is 152 kilometers (94 miles).

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The expression 2(l + w) is used to calculate the perimeter of a rectangle, where l is length and w is width. If the length is 2/
xeze [42]

Answer:

P = 10/7 units

Step-by-step explanation:

Answer:

w ≥ 6

l ≥ 11

Step-by-step explanation:

The perimeter of a rectangle is equal to P = 2(l+w) where l=length and w=width. Here the length is 2/7. This means the width is 3/7. Substitute l=2/7 and w=3/7 into the perimeter equation. Then solve for P.

P = 2(\frac{2}{7} +\frac{3}{7} )\\\\P = 2(\frac{5}{7})\\\\P = \frac{10}{7}

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Answer:

13/42

Step-by-step explanation:

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