fhggggy5680
14.07.2019 •
Mathematics
In triangle rst, m∠r=(2x+10), m∠s=(2x+25), m∠t=(x-5) what is the value of x a. 30 b. 28 c. 26 d. 32
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Ответ:
70+85+25=180 which means A.30 is the correct answer
(2(30)+10)+(2(30)+25)+(30-5)= 180
Ответ:
C
Step-by-step explanation:
5ax²-20x³+2a-8x
=5 x²(a-4x)+2(a-4x)
=(a-4x)(5x²+2)