Estimate and solve 3,836 ÷ 63 = ________. (2 points) 60 r 9 58 r 56 60 r 56 58 r 9
1 answer:
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This is an isosceles triangle. Therefore, at the base we have congruent angles (look at the picture).
We have the equation:
(5x + 13)° + (3x + 7)° = 180°
5x + 13 + 3x + 7 = 180 <em>combine like terms</em>
(5x + 3x) + (13 + 7) = 180
8x + 20 = 180 <em>subtract 20 from both sides</em>
8x = 160 <em>divide both sides by 8</em>
<h3>x = 20</h3>
Answer:
<em><u>1,310.9854</u></em>
Step-by-step explanation:
See the image for Calculation
