2 answers:
Answer:
∠b = 54°
they add up to 180
7x + 14 + 5x - 26 = 180
12x = 192
x=16
thus ∠b = 54°
Step-by-step explanation:
Answer:
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Step-by-step explanation:
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There are 13 rows because 65 divided by 5 is equal to 13.
Answer: 24
Step-by-step explanation: Multiply 4 by 6 to get 24
8x +9 = 6x + 21 where x = number of chairs in each row
2x=12
x=6
sub back into original equation 8 x 6 + 9 =57 chairs
Convert 3/4 to a denominator of 8 by multiplying by two, getting you:
6/8 + 1/8
Add those and you get D) 7/8
