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kow [346]
1 year ago
15

HELP! WILL GIVE BRAINLEST

Mathematics
2 answers:
trasher [3.6K]1 year ago
7 0

Answer:

Option C: 41

Step-by-step explanation:

<ABD+<CBD=90

<ABD=8x+1

<CBD=6x+5

(8x+1)+(6x+5)=90

Combine like terms

(8x+6x)+(1+5)=90

14x+6=90

14x=90-6

14x=84

divide both sides by 14

x=6

Now we plug that value into <DBC = 6x+5

6(6)+5=

36+5

41

Dennis_Churaev [7]1 year ago
3 0

<u>Let's take this problem step by step</u>:

<u>∠ABC is 90 degrees</u>

 ⇒ made up of two angles ⇒ <em>∠ABD and ∠DBC</em>

     ⇒<em> in mathematical equation form:</em>

<em>             </em>ABD + DBC= ABC

<u>Since </u><u><em>∠ABD = 8x + 1 </em></u><u>and </u><u><em>∠DBC = 6x+5</em></u>

<em>     </em>8x + 1+6x + 5=90\\14x+6=90\\14x=84\\x=6

<u>Let's plug it into </u><u><em>∠DBC = 6x+5</em></u>

  ∠DBC = 6x+5 = 6(6)+5=41

<u>Answer: ∠DBC = 41</u>

<u></u>

Hope that helps!

#LearnwithBrainly

   

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