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BlackZzzverrR [31]
2 years ago
13

Need help dont know which one to chose

Mathematics
1 answer:
Vlada [557]2 years ago
5 0

Answer:

the answer to this problem is A

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The arc length of a sector created by a 90° angle is 25 cm. What is the circumference of the entire circle? Express
docker41 [41]

Answer:

We know length of one quarter of a circle = 2πr/4 = πr/2

So here we can make the equation for to find thr value of radius r

length of one quarter given = 25 cm

so πr/2 = 25 cm

=> πr = 50 cm

=> r = 50/π cm

So the entire circumference of circle =

2πr

= 2 π 50/π cm

= 100π/π cm (ans)

Here we dont substitute the value of π due to represent the answer in terms of pi.

Hope it helps you

6 0
2 years ago
If it takes Doug 40 mins to clean his home and Frankie 50 mins. How long will it take if they work together?
lora16 [44]
Find the average value:
40 minutes + 50 minutes = 90 minutes
90 minutes/2 = 45 minutes
Together it will take them 45 minutes to clean the house
8 0
2 years ago
Helpppppp mathhhhhhhhhhhhhh
labwork [276]
Answer is Yes, both congruent by SAS
8 0
3 years ago
What set of transformations is performed on triangle RST to form triangle R’S’T’?
DanielleElmas [232]

Answer:

The last option is correct

Step-by-step explanation:

A translation of 2 units down takes S to the point (1, -1). Then a counterclockwise rotation  about the origin  takes S to the point  (-1, -1)  where we have S' .  

8 0
3 years ago
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A company makes 80 bags. 24 of the bags have buttons but no zips. 22 of the bags have zips but no buttons. 29 of the bags have n
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27


Step by step explanation This is how I got the answer to your question and I gave you the solution I hope this helps you out
7 0
2 years ago
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