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Bezzdna [24]
3 years ago
14

The measure of the supplement of ABAC IS (18x + 22) degrees. The measure of the complement of BAC is (9x – 5) degrees. Determine

BAC.

Mathematics
1 answer:
RoseWind [281]3 years ago
7 0

Answer:21

Step-by-step explanation:

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Plz answer!! ASAP!!
Wittaler [7]

(1) ∠ABC = 65°, ∠DBE = 65°, ∠CBE = 115°, ∠ABD = 115°

(2) ∠ABC = 62°, ∠DBE = 62°, ∠CBE = 118°, ∠ABD = 118°

Solution:

(1) In the given image ABC and DBE are vertical angles.

<u>Vertical angle theorem:</u>

If two angles are vertical then they are congruent.

⇒ ∠ABC = ∠DBE

⇒ 3x° + 38° = 5x° + 20°

Arrange like terms one side.

⇒ 38° – 20° = 5x° – 3x°

⇒ 18° = 2x°

⇒ x° = 9°

∠ABC = 3(9°) + 38° = 65°

∠DBE = 5(9°) + 20° = 65°

Adjacent angles in a straight line = 180°

⇒ ∠ABC + ∠CBE = 180°

⇒ 65° + ∠CBE = 180°

⇒ ∠CBE = 115°

∠ABD and ∠CBE are vertical angles.

∠ABD = 115°

(2) In the given image ABC and DBE are vertical angles.

⇒ ∠ABC = ∠DBE

⇒ 4x° + 2° = 5x° – 13°

Arrange like terms one side.

⇒ 13° + 2° = 5x° – 4x°

⇒ 15° = x°

∠ABC = (4(15°) + 2°) = 62°

∠DBE = 5(15°) – 13° = 62°

Adjacent angles in a straight line = 180°

⇒ ∠ABC + ∠CBE = 180°

⇒ 62° + ∠CBE = 180°

⇒ ∠CBE = 118°

∠ABD and ∠CBE are vertical angles.

∠ABD = 118°

3 0
3 years ago
What’s the answer ???
Alex_Xolod [135]

Answer:

C: 36

You should split the parts up:

2 x 5 = 10

2 x 5 = 10

8 x 2 = 16

10 + 10 + 16 = 36

Hope this helps <3

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3 years ago
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What is pythagoras<br>in mathematics​
V125BC [204]

Answer:

Pythagorean theorem, the well-known geometric theorem that the sum of the squares on the legs of a right triangle is equal to the square on the hypotenuse (the side opposite the right angle)—or, in familiar algebraic notation, a2 + b2 = c2.

Step-by-step explanation:

hope this helps.

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3 years ago
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In a softball league, the male to female ratio is 5:6. If there are 165 members in the league, how many females are in the leagu
Sonja [21]

Answer:

197.1

Step-by-step explanation:

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3 years ago
Solve for j.<br><br> –9.3j + 12.34 = –14.64 − 5.2j − 6j
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<em>look</em><em> </em><em>at</em><em> </em><em>the</em><em> </em><em>attached</em><em> </em><em>picture</em>

<em>Hope</em><em> </em><em>it</em><em> </em><em>will</em><em> </em><em>help</em><em> </em><em>you</em>

<em>Good</em><em> </em><em>luck</em><em> </em><em>on</em><em> </em><em>your</em><em> </em><em>assignment</em>

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