Answer:
Describe two ways you think a sound wave could be stopped or could change change direction.
Answer:
402.12
Step-by-step explanation:
Answer:
Step-by-step explanation:
you mean the function f(x)=x² not x2
the answer is the 1st attachment
for the second question
Which of the graphs below represents the function g(x) = (x + 1)²
the answer is the 2nd attachment
Answer:
14
Step-by-step explanation:
Let: eq 1:2x+5y=-55
eq 2:y=3x+6
by substituting eq 2 in eq 1 we get,
2x+5(3x+6)=-55
2x+15x+30+55=0
17x + 85=0
x=-85/17
x=-5
By substituting x value in eq 2,
we have,
y=3(-5)+6=-15+6=-9