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Serga [27]
3 years ago
6

Middle school math please help me Adding decimals

Mathematics
1 answer:
Kay [80]3 years ago
5 0

Step-by-step explanation:

is this it ????....???

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Hey can you please help
AfilCa [17]

Answer:

Measure of major arc BDC = 260.5°       Option A

Step-by-step explanation:

Given that, measure of central angle ∠BAE = 80.5°

Firstly we will find the measure of arc BE .  

The measure of arc BE  is same as the measure of its central angle.

So, measure of minor BE arc = 80.5°

measure of arc EDC = 180°  because of half circle

So,

measure of major arc BDC = 180° + 80.5° = 260.5°       option A

That's the final answer.

7 0
3 years ago
Read 2 more answers
What percentage of the total students chose skateboarding?
Sergeu [11.5K]
I FOUND YOUR COMPLETE QUESTION IN OTHER SOURCES.
 PLEASE SEE ATTACHED IMAGES.

 For this case, the first thing we are going to do is add the number of students in each of the disciplines.
 We have then:
 walk = 9
 bike = 8
 skateboard = 3
 Total: 20
 The percentage sought is then:
 (3/20) * (100) = 15%
 Answer:
 
percentage of the total students chose skateboarding is:
 
D.) none of these

5 0
3 years ago
Find the quotient 2/3 divided by 4/5
Nikitich [7]

Answer:

(2/3)/(4/5)=5/6

Step-by-step explanation:

7 0
3 years ago
The slope-intercept form of the equation of a line that passes through (-5,-1) and (10,-7) is y+7=-2/5(x - 10). What is the stan
wariber [46]

Answer:

2x + 5y = -15  OR 2x + 5y + 15 = 0  Not sure they want it equal to zero

Step-by-step explanation:

y + 7 = -2/5(x - 10)

y + 7 = -2/5 x + 4

2/5x + y =-3

5(2/5 x + y = - 3)

2x + 5y = - 15

OR

2x + 5y + 15 = 0

3 0
3 years ago
Find the area of the sector of the circle Radius. 7kmCentral angle. 2pi over 3<br> Show steps
viktelen [127]

9514 1404 393

Answer:

  51.3 km²

Step-by-step explanation:

The area formula is ...

  A = 1/2r²θ . . . . where θ is the central angle in radians

  A = 1/2(7 km)²(2π/3) = 49π/3 km² ≈ 51.3 km²

6 0
3 years ago
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