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andreyandreev [35.5K]
3 years ago
5

Please answer this correctly

Mathematics
1 answer:
erastovalidia [21]3 years ago
8 0

<em>The</em><em> </em><em>right</em><em> </em><em>answer</em><em> </em><em>is</em><em> </em><em>4</em><em>0</em><em> </em><em>cm</em>

<em>pl</em><em>ease</em><em> </em><em>see</em><em> </em><em>the</em><em> </em><em>attached</em><em> </em><em>picture</em><em> </em><em>for</em><em> </em><em>full</em><em> </em><em>solution</em>

<em>Hope</em><em> </em><em>it</em><em> </em><em>helps</em>

<em>Good</em><em> </em><em>luck</em><em> </em><em>on</em><em> </em><em>your</em><em> </em><em>assignment</em>

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Shade 0.25 of the design,. Write a fraction in simplest form to represent the shaded part of the design
wlad13 [49]
There are 16 smaller triangles within the main large one. .25=1/4, so your fraction is 1/4. 1/4 of 16 is 4, because 4+4+4+4=16. So colour in 4 triangles. Hope this helps!
8 0
3 years ago
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A circle with radius 9 has a sector with a central angle of 120°.
Vitek1552 [10]

120º is 1/3 of a complete revolution of 360º. So the area of this sector should be 1/3 the area of the complete circle.

A circle with radius 9 has area 9^2 π = 81π.

So the sector has area 81π/3.

Put another way: The area <em>A</em> of a circular sector and its central angle <em>θ</em> (in degrees) occur in the same ratio as the area of the entire circle with radius <em>r</em> according to

<em>A</em> / <em>θ </em>º = (π <em>r </em>^2) / 360º

==>  <em>A</em> = π/360 <em>θ r</em> ^2

In this case, <em>r</em> = 9 and <em>θ</em> = 120º, so

<em>A</em> = π/360 * 120 * 81 = 81π/3

8 0
3 years ago
Find the value of x round to the nearest tenth
wolverine [178]

Answer:

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6 0
3 years ago
The equatorial radius of Mars is 3,394 km. Which of the following would be a reasonable estimate for the equatorial radius of Ma
Ivan

Answer:

I don't know that options but......

if we are rounding to the thousands, then the answer would be 3,000

if hundreds, the answer is 3,400

if tens: 3,390

If ones: 3,390

Step-by-step explanation:

round each number up or down based upon what the digit is.

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3 years ago
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umka21 [38]
Can u translate in English for me
7 0
2 years ago
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