Child=x
Adult=y
y=3x
5.2x+9.9y=767.8
5.2x+9.9(3x)=767.8
5.2x+29.7x=767.8
34.9x=767.8
x=22
3 because the 2z minus the 3 gives you 1 rounded
Answer:
- 2 - 5i
Step-by-step explanation:
Given
(4 + 2i) + (- 6 - 7i) ← remove the parenthesis
= 4 + 2i - 6 - 7i ← collect like terms
= - 2 - 5i
3(7)-4(0)=21
3*7=21-0=21
the answer is D
Answer:
The answer to your question is
or (-∞ , 9/10]
Step-by-step explanation:
To solve inequality is similar to solve and equation, we just need to find the values of "k" in order than the inequality be true.

Solve for "k"



Then the answer is
or (-∞ , 9/10]