ashiteru123
24.01.2022 •
Mathematics
PLEASE HELP ASAP PLEASE THANK YOU
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Ответ:
m∠A + m∠B = m∠B + m∠C
Example: Δ ABC is isosceles at B
⇒ m∠A = m∠C
⇔ m∠A + m∠B = m∠B + m∠C
So: m∠A + m∠B = m∠B + m∠C ⇒ m∠A = m∠C
P/s: sorry, my writing skill is not very good, but u can use the above ideas to write
Ok done. Thank to me :>
Ответ:
The second number = 30
The first number = 25
The third number = 50
Step-by-step explanation:
Let
The second number = x
The first number = x - 5
The third number = 2(x - 5)
Total = 105
105 = x + (x - 5) + 2(x - 5)
105 = x + x - 5 + 2x - 10
105 = 4x - 15
105 + 15 = 4x
120 = 4x
x = 120/4
x = 30
The second number = x
= 30
The first number = x - 5
= 30 - 5
= 25
The third number = 2(x - 5)
= 2(30 - 5)
= 2(25)
= 50