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saveliy_v [14]
2 years ago
13

Lines CD and CE are tangent to circle a. If m∠DAE = 130°, what is the measure of ∠DCE? Tangent CD intersects with circle A at po

int D, tangent CE intersects with circle A at point E, angle ECD is on the exterior of circle A, and angle DAE has a vertex on the center of circle A.
Mathematics
2 answers:
inna [77]2 years ago
5 0

The answer is 50º

Step-by-step explanation:

It is the correct and only plausable answer.

gogolik [260]2 years ago
5 0

Answer:

50

Step-by-step explanatio

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Help please?????????????????
son4ous [18]
This is Pythagorean theorem. 
We already know a and c. 
a = 4 and c = 10
4² + b² = 10² 
16 + b² = 100 
Subtact 16 from each side. 
b² = 84 
Square root of each side: 
b = ≈9.165 or √84

Hope this helps!
6 0
3 years ago
What is another way to write the equation 3(1.25)+3(2.00)=9.75
Alexus [3.1K]

Answer:

3.75+6=9.75

Step-by-step explanation:

8 0
2 years ago
24h + 3d - 10h + 8d simplified <br> A. 14h + 11d<br> B. 14h + 5h <br> C. 25hd
Tema [17]
The answer is A. 14h + 11d

because if you 3d and 8d it will give you 11d

the take 24h and subtract to 10h it will give you 14h

so when you write it you answer is 14h + 11d

Hope this helps! :)

~Shadow
6 0
3 years ago
Read 2 more answers
*click image*
iragen [17]

Answer:

y = -948

Step-by-step explanation:

y/-12 + 16 = 95 (subtract 16 from both sides)

y/-12 = 79 (multiply -12 to both sides)

y = -948

4 0
3 years ago
Oil spill spreads 25 m² every 1/6 hour how much area does the oil spill cover after two hours
Delvig [45]
1/6 of an hour is 10 minutes because there are 60 minutes in an hour so 60/6=10
so it's 25m^2/10minutes
now just multiply 25 by 12 ( 12 lots of 10 minutes in 2 hours)
25*12=300
answer is 300m^2

hope this helped
6 0
3 years ago
Read 2 more answers
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