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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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Step-by-step explanation:

$ 1232 ÷ $ 9.60

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Please help! THESE ARE ALL MY POINTS! The ribbon on a spool is 10 yards long. How many 6-inch pieces of ribbon can be cut from t
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Answer:

10*36 is 360

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Step-by-step explanation:

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3 years ago
Please help me please will give brainliest to ​
svet-max [94.6K]

Answer:

From left to right,

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Step-by-step explanation:

7 0
3 years ago
Find the area of of a regular octagon with side length 20 cm.
Alla [95]

A=2(1+\sqrt{2})a^2=2·(1+\sqrt{2})·20^2≈1931.37085cm²

8 0
3 years ago
I just cant with word problems. PLEASE help.
marshall27 [118]
Below is the solution:

<span>8 weeks to earn;
plane ticket 2200 dollars;
job 20(hours/week), 11.5(dollars/hour) versus job 40(hours/week), 100(dollars)+9(dollars/hour) 

Part of the question is how many weeks to work to get the needed money $2200.
Let w be how many weeks. w needs to be a Natural Number, when finished. 

</span><span>Tech Internship

8 x weeks x 20 x (hours/week) x 11.5 x (dollars/hours)
20 x 11.5 w
230w >/ 2200
23w >/ 220 

</span><span>Amusement Park
8 x weeks x 40 x (hours/week) x 9 x (dollar/hour) + 100 dolarrs 
40 x 9 x w + 100
360w + 100 >/ 2200
36w +10 > 0220
18w + 5 >/ 110</span>
4 0
3 years ago
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