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Over [174]
3 years ago
13

BCD is a straight line.

Mathematics
1 answer:
Ksenya-84 [330]3 years ago
8 0
It’s an isosceles triangle because angle A is equal to angle C (63deg). This is calculated by 180 - 117 = 63 degrees.
Using the exterior angle is equal to the interior angles property, angle A is equal to 117 - 54 (which is 63).
Because these two angles are equal to eachother, the triangle is isosceles.
Hope this helps and please mark me brainliest
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Kruka [31]
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2 years ago
11x + 2y = 68 & 5x + y = 13
matrenka [14]

Answer:

i hope its correct

Step-by-step explanation:

11x + 2y=68 ------------1

5x+y=13 ------------2

y= 13-5x. ------------3

put 3 into 1

11x +2(13-5x) =68

11x +26 -10x =68

x=42

put x =42 into 2

5(42) +y =13

210+y=13

y=13-210

y=197

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3 years ago
What does the domain mean for this problem?
irga5000 [103]

Answer:

what problem?

Step-by-step explanation:

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3 years ago
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Leno4ka [110]

Answer:

2(n+1)+2

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4 0
2 years ago
Y = (x + 4)2 - 1<br> Standard form
denpristay [2]

answer :

y = 2x + 7

i hope it helped

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3 years ago
Read 2 more answers
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