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monitta
2 years ago
13

Please help and thank you!

Mathematics
2 answers:
Arte-miy333 [17]2 years ago
6 0

Answer:

1/10

Step-by-step explanation:

Strike441 [17]2 years ago
6 0
1/10 I think bc the total is 10 and if she select 1 it’s going to be 1/10
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In the figure below, a shaded polygon, which has equal sides and equal angles, is partially covered with a sheet of blank paper.
Zepler [3.9K]

Answer:

The polygon has 9 sides ⇒ D

Step-by-step explanation:

This is a tricky question

∵ The shaded figure is a quadrilateral

∴ The sum of the measures of its angles is 360

∵ Its angles are <u>x, y, and two vertices of the polygon</u>

∵ All angles of the polygon are equal in mesures

∴ x + y + m of 2 vertices = 360°

∵ x + y = 80

→ Substitute the value of x + y above by 80

∴ 80 + m of 2 vertices = 360

→ Subtract 80 from both sides

∴ m of 2 vertices = 280

→ Divide the two sides by 2

∴ m of 1 vertex = 140°

∴ The measure of each angle of the polygon is 140°

<em>The sum of the measures of the </em><em>interior angle and the exterior angle</em><em> at any vertex of the polygon is </em><em>180°</em>

∵ m of interior ∠ + m of exterior ∠ = 180° ⇒ at any vertex

∴ 140 + m of exterior ∠ = 180°

→ Subtract 140 from both sides

∴ m of exterior ∠ = 40°

∴ The measure of each exterior angle is 40°

<em>The </em><em>sum </em><em>of the measures of the </em><em>exterior angles</em><em> of any polygon is </em><em>360°</em>

∵ The measure of each exterior angle of the given polygon is 40°

∴ The number of the angles of the polygon = 360 ÷ 40 = 9

∵ The number of the angles of the polygon = the number of its sides

∴ The polygon has 9 sides

4 0
2 years ago
10.210 ÷ 10 (Long Division Work)
Anna [14]
1.0210 is the answer

hoped this helped
5 0
3 years ago
Read 2 more answers
To decrease an amount by 4% what single multiplier would u use ??
serg [7]

If you decrease something by 4 percent,

you are  keeping (100% - 4%) or 96% of the original

so multiply by the original amount by 96 percent or .96


If you have 100 pennies, and you  give 4 away ( 4 percent decrease), you still have 96 pennies.  You are keeping 96 percent of what you started with.  This works no matter how much you start with.


Example:


you have 40 dollars

4% decrease

40 * .04 =  1.6 take this away

40 - 1.6 = 38.4 left

you keep 96 percent

40 * .96 = 38.4 left

3 0
3 years ago
Read 2 more answers
Tell how you knew whether to select a.m. or p.m.
Darya [45]

Answer:

You know if it is day time or night time

Step-by-step explanation:

8 0
3 years ago
Find the midpoint of line AB.<br> A(-4,2) B(0,-4)
Blababa [14]
You could solve this mathematically but i mean you could use your eyes.... Its most likely C

;)
6 0
3 years ago
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