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Nuetrik [128]
3 years ago
8

How do i solve an area and volume

Mathematics
2 answers:
Hitman42 [59]3 years ago
7 0
It depends on the shape or figure your trying to find it for.
Area- the area of a flat or plane figure is the number of unit squares that can be contained in it.
Volume- Is the measure of the amount of space in a closed figure.
inna [77]3 years ago
7 0
The formula for the area of any regular polygon is 1/2 the product of the apothem and the perimeter. The area of a circle is \pi r^{2} with the r standing for "radius".

The formula for the volume of any prism or cylinder is the area of the base times the height of the prism or cylinder. The volume for a sphere is 4/3 the product of \pi r^{2} with the r standing for radius.

There are countless other formulas for volume and area, so if the one you are looking for is not here please comment the formula you're looking for and I'll happily supply you with it! 
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The width of a rectangle is 4 units shorter than three-fourths the length; x. Write an expression that represents the perimeter
qaws [65]

The expression that represents the perimeter of the rectangle is 4x² + 14x - 3 = 0

<h3>How to determine the expression</h3>

The formula for perimeter of a rectangle is given as;

Perimeter = 2 ( length + width)

Let the length of the rectangle be x

Width of the rectangle be y

From the information given, we have that;

y = 4 - 3/4x

Make into linear equation

y = 16x - 3 / 4x

Now, let's substitute the variables into the formula

Perimeter = 2 (\frac{16x -3 }{4x} + x)

Find the LCM of the bracket

Perimeter = 2(\frac{16x - 3 + 4x^2}{4x} )

Perimeter = \frac{4x^2 + 16x - 3}{2x}

2x = 4x² + 16x - 3

Collect like terms

4x² + 16x - 2x - 3 = 0

4x² + 14x - 3 = 0

Thus, the expression that represents the perimeter of the rectangle is 4x² + 14x - 3 = 0

Learn more about a rectangle here:

brainly.com/question/25292087

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6 0
2 years ago
Which scatterplot has a correlation coefficient closest to r = –1?
UNO [17]

A coefficient of r = -1 is a negative so the dots would move downward as they move to the right ( higher dots are on the left side, lower dots on the right side. As the coefficient gets closer to -1 the dots form more of a straight line then being scattered across the graph.

The last graph, which is marked with the blue dot is the correct one.

5 0
3 years ago
Read 2 more answers
What’s 56 divided by ( -8 )
butalik [34]
Yea, -7 is the correct answer
7 0
3 years ago
Please help! Show step by step! I will mark brainliest.
WARRIOR [948]
(4,8) follow the point and order the domain and range lowest to highest
8 0
2 years ago
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If nine people are in a room and every person shakes hands exactly once with each of the other people, how many handshakes will
emmasim [6.3K]
The total number of handshakes =  8 + 7 + 6 + 5  + 4 + 3 + 2 + 1  = 36


Answer: 36 handshakes
4 0
3 years ago
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