Answer:
it b
Step-by-step explanation:
Solve equation [1] for the variable x [1] x = 3y - 1
// Plug this in for variable x in equation [2] [2] 8y - 2•(3y-1) = 4
[2] 2y = 2
// Solve equation [2] for the variable y [2] 2y = 2
[2] y = 1
// By now we know this much : y = 1
x = 3y-1// Use the y value to solve for x x = 3(1)-1 = 2
Answer:
n-5
Step-by-step explanation:
..................
So you would add lmu and umn together to equal lmn. My notes are in the picture but the answer is umn=42 and x=1
Answer:
31.98
Step-by-step explanation:
78 * .41 = 31.98
9514 1404 393
Answer:
34.88 feet
Step-by-step explanation:
The relevant trig relation is ...
Cos = Adjacent/Hypotenuse
We want to find the length of the side adjacent to the measured angle. The hypotenuse is the ladder length.
cos(29.32°) = distance/(40 ft)
distance = (40 ft)cos(29.32°) ≈ 34.876°
The base of the ladder is about 34.88 feet from the building.
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<em>Additional comment</em>
It extends about 19.59 feet up the side of the building.