The angle = 67<span>° and the pole is a right-angled triangle. Therefore the distance required to find (say "x) is the angle opposite the right-angle. The following equation needs to be solved:
cos 67 = 137 / x
Solving for x;
x = 350.62 ft</span>
Answer:
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The given function is
f(x) = 4x - 3/2
where
f(x) = number of assignments completed
x = number of weeks required to complete the assignments
We want to find f⁻¹ (30) as an estimate of the number of weeks required to complete 30 assignments.
The procedure is as follows:
1. Set y = f(x)
y = 4x - 3/2
2. Exchange x and y
x = 4y - 3/2
3. Solve for y
4y = x + 3/2
y = (x +3/2)/4
4. Set y equal to f⁻¹ (x)
f⁻¹ (x) = (x + 3/2)/4
5. Find f⁻¹ (30)
f⁻¹ (30) = (30 + 3/2)/4 = 63/8 = 8 (approxmately)
Answer:
Pedro needs about 8 weeks to complete 30 assignments.
Answer:
B. 6x + 8y = z , x represents the calzones sold; y represents grinders sold; z represents total sales.
We have to find equation of line parallel to 2x-2y = 3 and passes through (7,4)
let equation of line be 2x-2y = k
Let's make it coinciding with (7,4)
2x-2y = k
2(7) - 2(4) = k
14 -8 = k
6 = k
So, Equation of line is 2x-2y = 6
4)We have to find equation of line perpendicular to -6y -4x = 18 and passes through (2,6)
As line is perpendicular,
4y -6 x = k
4(6) -6(2) = k
24 -12 = k
12 = k
So, Equation of line is 4y -6x = 12
