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Shalnov [3]
3 years ago
6

Write an expression that has two terms. Your expression should have a variable and a constant.

Mathematics
1 answer:
Helen [10]3 years ago
8 0
Quite simply: 2+x


A constant is simply a number, something that does not change: here it's "2"

A variable can chage: here it's "x" - anything can be substituted for x


If we put those two together with a "+" sign, we get an expression: variables or contants (including multipled ones: such as 2x, which is a term) added to each other or subtracted from each other
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Given:

A triangle with vertices A(0,0), B(6,0), and C(0,9) is rotated 360 about the y-axis.

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The volume of the figure.

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Points A(0,0) and C(0,9) lies on the y-axis. Length of AC is 9 units.

Points A(0,0) and B(6,0) lies on the x-axis. Length of AB is 6 units.

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Putting r=6 and h=9, we get

V=\dfrac{1}{3}\pi (6)^2(9)

V=\pi (36)(3)

V=108\pi

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