Can someone please help me with this ; The result of subtracting 2 from its opposite is _____. choices are 0 , 1 , 4 , -4

Mathematics

1 answer:

valina [46]3 years ago

6 0

$-2-2=-4$
....................

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the angle of elevation of the top of a building from a point 80 ft away from the building on level ground is 70° determine the b

MA_775_DIABLO [31]

Draw a triangle with shortest side on the ground (horiz.). The length of this side is 80 feet. Two angles touch the ground: a right angle, and the 70 degree angle.

Then the height of the building is the 2nd shortest side.

The tangent function is the appropriate one to use here:
opp h
tan 70 deg = -------- = ----------
adj 80 ft
h
Since tan 70 deg = 2.75, 2.75 = -------
80 ft

so h = building height = (80 ft)(2.75) = 219.8 ft

6 0

4 years ago

If f(x) = 3x – 4 and g(x) = x, find the value of f(3) – g(2).

Mamont248 [21]

Answer:

Step-by-step explanation:

f(3) = 3(3)-4

f(3)= 9-4

f(3) = 5

g(2) = (2)

g(2) = 2

f(3)-g(2) = ?