7. HIKING The graph relates temperature y (in degrees Fahrenheit) to altitude x
(in thousands of feet).
a. Find the slope and y-intercept.
b. Write an equation of the line.
c. What is the temperature at sea level?

a.  Find the slope and y-intercept.

(0,59)   (7,33.8)

x₁  y₂      x₂   y₂    b = 59 ⇒ The temperature is 59 ° F when altitude is 0 feet.

33.8 -59                   -25.2

      =   = -3/6=m ⇒ The temperature drops 3.6 degrees

7 - 0                               7                                     every 1,000 feet.

b. Write an equation of the line.

y = -3.6x + 59

c. What is the temperature at sea level?

59 °

idk bring the function back   im not smart

step-by-step explanation:

intensity of the vector is v= √37 ≈ 6.08 units and make angle ∡α ≈ 9.46° with east direction

step-by-step explanation:

required vector is consists of the two componentsvx= 2+4=6 units   and vy= 1 unit and vx ⊥ vywe will use pythagorian theorem to find intensity of the vector vv∧2 = vx∧2 + vy∧2 => v = √vx∧2 + vy∧2 = √6∧2 + 1∧2 = √36+1 = √37 ≈ 6.08 unitsthe angle ∡α between vector and east direction we wil find with tanαtanα = 1/6 => α = arc tanα = arc 1/6 => α ≈ 9.46°

hope this