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olasank [31]
3 years ago
12

Evaluate the expression and enter your answer below. 4•3+13-3^2

Mathematics
1 answer:
Pepsi [2]3 years ago
3 0
If I’m not mistaken, 16
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What is the value for y?<br><br> Enter your answer in the box.<br><br> y=
Elodia [21]

Answer:

y = 14

Step-by-step explanation:

Since AC = BC then the triangle is isosceles and the base angles are congruent, that is

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∠C = 180 - (50 + 50) ← sum of angles in Δ = 180°

     = 180 - 100 = 80°, hence

5y + 10 = 80 ( subtract 10 from both sides )

5y = 70 ( divide both sides by 5 )

y = 14

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