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1 year ago

Which expressions are equivalent to 1/2+3c+4/5

Mathematics

1 answer:

Nitella [24]1 year ago

3 0

The equivalent expression of 1/2 + 3c + 4/5 is $\frac{13 + 15c}{10}$

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

The expression is given as:

1/2 + 3c + 4/5

Take the LCM of the expression

$\frac{5 + 15c + 8}{10}$

Evaluate the like terms

$\frac{13 + 15c}{10}$

Hence, the equivalent expression of 1/2 + 3c + 4/5 is $\frac{13 + 15c}{10}$

Read more about equivalent expression at:

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Answer:

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Step-by-step explanation:

The sum of exterior angles is 360°, so the exterior angle can be easiest to find first.

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The interior angle is the supplement of this.

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2 years ago

A cylinder and cone have the same height and radius. The height of each is 5 cm, and the radius is 2 cm. Calculate the volume of

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Answer:

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Step-by-step explanation:

Formula

$Volume\ of\ a\ cylinder = \pi r^{2} h$

$Volume\ of\ a\ cone = \pi r^{2} \frac{h}{3}$

Where r is the radius and h is the height .

As given

A cylinder and cone have the same height and radius. The height of each is 5 cm, and the radius is 2 cm.

$\pi = 3.14$

Thus

$Volume\ of\ a\ cylinder =3.14\times 5\times 2\times 2$

= 62.8 cm³

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$Volume\ of\ a\ cone =\frac{62.8}{3}$

= 20.9 (Approx) cm³

Thus the volume of a cone is 20.9 cm³ .

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3 years ago

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