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Anna35 [415]
3 years ago
7

Which Proportion is correct?

Mathematics
1 answer:
Nikolay [14]3 years ago
7 0

Answer:

sorry but i need the points <3

Step-by-step explanation:

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O is the center of both circles containing arcs AB and CD
victus00 [196]

Answer:

Step-by-step explanation:

You need to solve the area sector of the bigger circle. Since we now the length of sector is 270, we can set up an equation.  

Length of sector DC = 2\pir

270 = 2\pi(8+OA)                     *(8+OA is the raidus of the bigger circle/sector)*

270/2\pi = 8 + OA  (division)

135/\pi -8 = OA

135/\pi -8 = OB (because OA and OB are the raidus of the same circle, so they are congruent)

I hope this helps you! Please correct me if you see a miscalculation <3<3

5 0
2 years ago
Paul makes 3 5/6 dozen cookies. He gives each of his friends 1/6 dozen cookies.
AveGali [126]
If he gives ALL of the cookies away..

3 5/6 = 6/6 + 6/6 + 6/6 + 5/6

6+6+6+5 = 23

Paul has 23 friends. (if he takes 1/6, then he has 22)

hope this helps
7 0
3 years ago
What is the slope of the line that goes through (-5,5) and (5,-7)
ludmilkaskok [199]

Answer:

A. -1/5

Step-by-step explanation:

-7-(-5) /5-(-5)

= -7+5 / 5+5

= -2/10

-1/5 option A

8 0
3 years ago
Read 2 more answers
Given the volume is 105 inches³ for an 8 pound bowling ball, find the radius of the bowling ball,
mariarad [96]

Answer:

2.92

Step-by-step explanation:

V=\frac{4}{3}\pi r^3 \\ \\ 105=\frac{4}{3}\pi r^3 \\ \\ r^3=\frac{105}{\frac{4}{3}\pi} \\ \\ r=\sqrt[3]{\frac{105}{\frac{4}{3}\pi}}  \\ \\ r \approx 2.92

7 0
1 year ago
Which of the following is not an expression
7nadin3 [17]
Correct me if I’m wrong but I believe it is C
4 0
2 years ago
Read 2 more answers
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