Answer:
Step-by-step explanation:
Given :
l + m + n = 9
l²+ m² + n²= 31
l + m + n = 9
On squaring both sides
(l + m + n)²= 9²
(l²+m²+n²+2(lm+mn+nl) = 81
31 +2(lm+mn+nl) = 81
2(lm+mn+nl) = 81 - 31
2(lm+mn+nl) = 50
(lm+mn+nl) = 50/2
(lm+mn+nl) = 25
Hence, the value of (lm+mn+nl) = 25
Answer:
true
Step-by-step explanation:
I believe this means that Joaquim earns 1.06 times his salary. Thus he earns (4000)(1.06) or $4240
Answer:
A x = 13.00
Step-by-step explanation:
5.15x + 6 = 72.94
5.15x = 66.94
x = 12.998
Answer:
Step-by-step explanation:
OBTUSE......
