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2 years ago

Which classification best represents a triangle with side lengths 6 cm, 10 cm, and 12 cm?

1 answer:

4 0

Based on the lengths given, 6 cm, 10 cm and 12 cm, the classification that best describes the triangle is that "It is a Scalene triangle." A scalene triangle is a type of triangle whose sides are not of the same length.

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Science

juin [17]

C kinetic energy. As it loses potential energy, it gain kinetic energy

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2 years ago

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Which expression is equivalent to the expression 5(3x+4-x)

Artyom0805 [142]

(5)(3x)+(5)(4)+(5)(-x)
15x+20-5x
Answer: 10x+20

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2 years ago

What is the approximate area of the shaded portion of the diagram? (Use 3.14 as an estimate for pi.)

Nadusha1986 [10]

Answer:

218

Step-by-step explanation:

first find the area of the circle-

$A=\pi r^{2} \\A=\pi 10^{2} \\A=100\pi \\A=314$

to find the area of the triangle, we need the base and the height. The base we know is 16, since we don't know the height yet, use the Pythagorean theorem to find the height. One leg is 16 the hypotenuse is 20 (2* the radius).

$a^{2} +b^{2} =c^{2} \\a^{2} +16^{2} =20^{2} \\a^{2} +256=400\\a^{2} =144\\a=12$

Now I know the height is 12. Find the area of the triangle

$A=\frac{1}{2} bh\\A=\frac{1}{2} (16)(20)\\A=96$

subtract the area of the triangle from the area of the circle

314-96=218

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2 years ago

Volume? Correct answers please

goldfiish [28.3K]

Answer:

V = 1385.44

Step-by-step explanation:

The equation for volume is V = π r 2 h! Where V = volume, r = radius (half the diameter), and h = height. Now lets substitute what we know into this equation!

Since we are giving the diameter (14) we must divide by 2 to find the radius.

14 ÷ 2 = 7

Radius = 7

Height = 9

V = ?

Time to plug these values in!

V = π $7^{2}$ (9)

We have to distribute pi to 7 square that term and then multiply the value by 9.

V = 1385.44

Hope this Helps! :)

Have any questions? Ask below in the comments and I will try my best to answer.

-SGO

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2 years ago

2 addition sentences

Gemiola [76]

Answer:

these are my two answers

5+8=13. | 8+5=13.

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2 years ago