Answer:
6a-6b
Step-by-step explanation:
(5a+a)+(2b-8b)
6a-6b
Answer:
?
Step-by-step explanation:
Answer:
Step-by-step explanation:
salut :
en utilisant le theorem de Pythagore on obtient :
AC²= AB² + BC²
(a+5)² = 7²+a²
a²+10a+25 = 49+a²
10a+25 =49
10a =24
donc : a = 24/10 = 12/5 = 2.4 unit
Conjugate of (a - bi) is (a + bi).
Just change the sign on the imaginary part.
7 + 2i
Answer: -20, 6, 2, 5
Step-by-step explanation:
a = 5, b = -4, c = 10
12. ab = 5(-4) = -20
13. b + c = -4 + 10 = 6
14. c/5 = 10/5 = 2
15. c - 5 = 10 - 5 = 5
