Answer:
5/V2=2.5×V2
Step-by-step explanation:
This is an isoscelle right triangle:
x²+x²=5²
2x²=5²
x=5/V2=5×V2/2=2.5×V2
where V2=sqrt(2)
Answer: 
Step-by-step explanation:
Given
The temperature on the ground is 
temperature drop observed is 
The height of the plane is 
The total increase in height per 
is 
units
Temperature drop is
The temperature at that altitude is
Answer:
Step-by-step explanation:
Answer:
Adult tickets= 390
Student ticket= 410
Step-by-step explanation:
4A + 2.5S= 2585
A+ S = 800
A= 800-S
Substitute into the first equation
Answer: Choice B
y = (x+3)^2 - 1
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Recall that vertex form is y = a(x-h)^2 + k with the vertex being (h,k)
From the given graph, it shows that (h,k) = (-3,1) is the vertex. So we plug this pair of values into the general function above to get
y = a(x-h)^2 + k
y = 1(x-(-3))^2 + (-1)
y = (x+3)^2 - 1
which is the final answer
note: a = 1 is the case for all four answer choices, so we don't have to worry about the value of 'a'
