3 years ago

What are 5 examples of mechanical energy

1 answer:

3 0

Examples of these are: light energy, heat energy, mechanical energy, gravitational energy, electrical energy, sound energy, chemical energy, nuclear or atomic energy and so on. ... Although there are many specific types of energy, the two major forms are Kinetic Energy and Potential Energy.

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Please help me with my question!!

guapka [62]

Answer:

Step-by-step explanation:

Area of triangle = (1/2)bh

$=\frac{1}{2}*25*21.65\\\\$

= 270.625 cm²

Area of 6 triangles = 6 * 270.625

= 1623.75 cm²

Trapezium:

a = 25 cm

b = 25 + 12.5 +12.5 = 50 cm

h = 21.65 cm

$Area=\frac{(a+b)*h}{2}\\\\=\frac{(25+50)*21.65}{2}\\\\=\frac{75*21.65}{2}$

=811.875 cm²

Area of two trapezium = 2 *811.875

= 1623.75 cm²

Area of star = 1623.75 +1623.75

= 3247.50 cm²

8 0

3 years ago

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This model represents an equation.

vfiekz [6]

The answer is B.
Please mark brainliest!

3 0

3 years ago

Place this list of irrational numbers in order from least to greatest.

ZanzabumX [31]

Answer:

$\sqrt{7},\sqrt{25},\sqrt{42}$

Step-by-step explanation:

$\sqrt{7}$ is 2.65 rounded to the nearest hundrendth.

$\sqrt{25}$ is 5.

$\sqrt{42}$ is 6.48 rounded to the nearest hundrendth.

6 0

3 years ago

Round each number to the nearest ten. What is the best estimate for the answer to 343.42 – 39.87?

Nikolay [14]

So I would round it to 340 and 40 because if the number is lower than 5 than take it DOWN to the nearest ten if it's five or above take UP to the nearest ten

Hope it helped you

7 0

4 years ago

Two sides of a triangle measure 15 cm and 21 cm. which of the following could be the measure of the third side

Effectus [21]

I think it’s will be 6

5 0

3 years ago

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