Answer:
Step-by-step explanation:
Let
y ----> the altitude in feet
x ----> the time in seconds
we know that
The linear equation in slope intercept form is equal to
where
m is the slope ot unit rate
b is the y-intercept or initial value
In this problem we have
<em>Your hot air balloon</em>
The slope is equal to
The y-intercept is ---> represent a proportional relationship
The linear equation is
----> equation B
<em>Another aircraft</em>
The slope is equal to ---> is negative because is a decreasing function
The y-intercept is
The linear equation is
----> equation B
Equate equation A and equation B
solve for x
Adds 30x both sides
Divide by 34 both sides
<span>4.a translation 4 units right and 4 units down</span>
Ugh, these questions.
21x^3y^4 + 15x^2y^2 - 12xy^3
3xy^2 (7x^2y^2 + 5x - 4y)
Clearing up clutter...
3xy² (7x²y² + 5x - 4y)
That's your answer. Thanks for working my brain. ;)
Of course, only your last two expressions represent any simplification. The final value will be
.. -0.22*1.8 = -0.396 . . . . . as simple as it gets.
Your graphing calculator will compute the decimal equivalent for you.