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Solnce55 [7]
3 years ago
9

1) help me please!!!!

Mathematics
2 answers:
boyakko [2]3 years ago
8 0
I think that it’s b??
Scilla [17]3 years ago
7 0

Answer:

b

Step-by-step explanation:

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How you solve<br> -9+[b-8]=-5
sertanlavr [38]

your answer is B= 12 your welcome :)

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3 years ago
Solve for x in the figure below
Ksju [112]
Since angles A and C are equivalent, then angles B and D must also be equivalent. So if
angle B = angle D then...

7x + 15 = 8x

Now we just solve for x

7x + 15 = 8x
15 = 8x - 7x
15 = x

We Can check to see if it is correct by substituting 15 in for x in the equation..

7x + 15 = 8x
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It checks! angles B and D = 120 degrees
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kap26 [50]
A is the right answer
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3 years ago
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mojhsa [17]
X and 67° are supplementary (they equal 180) so to find x you do 180-67 which equals 113. So x=113°
6 0
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Read 2 more answers
Need Help With My Geometry Work Plz Help
Olenka [21]

Answer:

Step-by-step explanation:

(number of sides-2)*180 = (6-2)*180 = 720°

a= 720/6= 120°

lines form 180° angles

b= 180-120= 60°

sum of angles in a triangle is 180, and the angles are ≡

c=180/3 = 60°

c and d are supplementary angles (they add to 180)

d= 180-60 = 120°

d ≡ e+e because are vertical angles

e= 120/2 = 60°

sum of angles in a triangle is 180

f= 180 -90-60 = 30°

(number of sides-2)*180 = (5-2)*180 = 540°

g= 540/5= 108°

7 0
3 years ago
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