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Vlad1618 [11]
2 years ago
13

(07.05 MC)

Mathematics
2 answers:
Nezavi [6.7K]2 years ago
8 0

Answer:

4y=2 is your answer

Step-by-step explanation:

9y + 5 = 7 + 3y + 2y

9y+5=7+5y

maintaining common form in each side

9y-5y=7-5

4y=2

WARRIOR [948]2 years ago
5 0

Answer:

4y = 2

Step-by-step explanation:

9y + 5 = 7 + 3y + 2y

9y-2y-3y=7-5

4y=2

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What's the approximate area of a segment of a circle with a height 6 m and the length of the chord is 20 m? Round your answer to
yuradex [85]
Hello!

The Correct Answer to this would be 100%:

Option "85.4".

(Work Below)

Given:
height = 6m
chord = 20 m

We need to find the radius of the circle.

20 m = 2 √ [ 6m( 2 x radius - 6 m ) ] 
20 m / 2 = 2 √[ 6m( 2 x radius - 6 m ) ] / 2 
10 m = √ [ 6m( 2 x radius - 6 m ) ] 
(10 m)² = √[ 6m( 2 x radius - 6 m ) ] ² 
100 m² = 6 m( 2 x radius - 6 m ) 
100 m² = 12 m x radius - 36 sq m 
100 m² + 36 m² = 12 m x radius - 36 m² + 36 m² 
136 m² = 12 m x radius 
136 m² / 12 m = 12 m x radius / 12 m 
<span>11.333 m = radius 
</span>
the area beneath an arc: 

Area = r² x arc cosine [ ( r - h ) / r ] - ( r - h ) x √( 2 x r x h - h²<span> ). 
</span>
r² = (11.333 m)² = 128.444 m² 
r - h= 11.333 m - 6 m = 5.333 m 
r * h = 11.333 m x 6 m = 68 m²

Area = 128.444 m² x arc cosine [ 5.333 m / 11.333 m ] - 5.333 m x √[ 2 x 68 m² - 36 m² ] 

Area = 128.444 m² x arc cosine [ 0.4706 ] - 5.333 m x √ [ 100m² ] 

Area = 128.444 m² x 1.0808 radians - 5.333 m x 10 m 

Area = 138.828 m² - 53.333 m² 

Area = 85.4 m<span>²
</span>

Hope this Helps! Have A Wonderful Day! :)


And as Always...

7 0
3 years ago
5²×5³×5=(5×5)×(5×5×5)×5​
Vlada [557]

Answer:

15625

Step-by-step explanation:

your method is correct

6 0
3 years ago
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In its simplest form the domain is all the values that go into a function, and a range is all the values that come out.
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I think the answer to this is a rate
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