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liberstina [14]
3 years ago
5

Show all work please

Mathematics
1 answer:
gayaneshka [121]3 years ago
7 0
Angles D and F are supplementary, so
.. (19x -26) +(7x -2) = 180
.. 26x = 208
.. x = 208/26 = 8

∠EFG = (7x -2)° = (7*8 -2)° = 54°

Selection C is appropriate.
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The price of an item with a 15% discount would be 85% of the original price, so if the original price was x, the discounted price would be: \frac{85x}{100}

5 0
3 years ago
Angle AOD=69°
Evgesh-ka [11]

The value of <em>x</em> where by exterior angles theorem, ∠DCO equals 2·x, 69° equals the sum of ∠DCO and x° is <em>x </em>= 23°

<h3>What is the exterior angles theorem?</h3>

The exterior angles theorem states that the exterior angle of a triangle is equal to the sum of the opposite interior angles.

The given parameters are;

Points on the circle are; ABCD

Straight lines = AOBE and DCE

Segment CO = Segment CE

∠AOD = 69°

∠CEO = x°

∠OCD = ∠ODC base angles of isosceles triangle

69° = ∠x° + ∠ODC exterior angle of a triangle

∠DOC = 180 - 2×∠ODC (Angle sum property of a triangle)

180 - 2×∠ODC + x° + 69° = 180° (Sum of angles on a straight line are supplementary)

x° + 69° - 2×∠ODC = 0

∠ODC = 2·x° (exterior angle of a triangle is equal to the sum of the opposite interior angles)

69° = x° + ∠ODC = x° + 2·x° = 3·x° (substitution property of equality)

69° = 3·x°

x = 69° ÷ 3 = 23°

  • x = 23°

Learn more about angles in a triangle here:

brainly.com/question/25215131

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5 0
2 years ago
Help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Serjik [45]

Answer:

I am sorry but I don't know how to do that

Step-by-step explanation:

8 0
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Since In total there is 25 attractions and shops , you would add them because there is still a chance that if it was randomly selected you would get a attraction. If 5/20 is the probability, you would divide 5 by 20 because the “ / “ sign means divide. And if it said 5 of 20 , it would mean multiply as “of” means multiply. So after you do the 5 divided by 20 , it equals 0.25, which comes out to a quarter of 100 which means it is 1/4 chance of getting a gift shop chosen. Answer : 1/4.
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6 0
4 years ago
Five and thirty-nine thousandths in standard decimal form
Nesterboy [21]

Answer:

Five and thirty-nine thousandths in standard decimal form is

5.039

Hope This Helps!!!

7 0
3 years ago
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