Help please!
2 answers:
See this figure. http://puu.sh/szNCt.png
a)
x
enter in calculator invcos or cos^-1 of 4/5 and you should get B ≈ 37 degrees (make sure your calculator is in degrees and not radians)
b) Since this is a right triangle,
C ≈ 53 degreesc) By the Pythagorean Theorum, AC is approximately 13.27.
AC ≈ 13
Hope this helps! =)
a)
enter in calculator invcos or cos^-1 of 4/5 and you should get B ≈ 37 degrees (make sure your calculator is in degrees and not radians)
b) Since this is a right triangle,
C ≈ 53 degreesc) By the Pythagorean Theorum, AC is approximately 13.27.
AC ≈ 13
Hope this helps! =)
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Answer:
A. (1, -2)
B. the lines intersect at the solution point: (1, -2).
Step-by-step explanation:
A. The equations can be solve by substitution by using the y-expression provided by one of them to substitute for y in the other.
This gives ...
3x -5 = 6x -8
Adding 8-3x to both sides, we get ...
3 = 3x
Dividing both sides by 3 gives ...
1 = x
Substituting this value into the first equation, we can find y:
y = 3(1) -5 = -2
The solution is (x, y) = (1, -2).
__
B. The lines intersect at the solution point, the point that satisfies both equations simultaneously. That point is (1, -2).
