Subtract x from the left side to get
16=8x
Now divide by 8 on both sides to get x by it self
16÷8
8x÷8
x=2
Comment if you have any questions. :)
Step-by-step explanation:
CD = AB
the inner angle at C = 25° = the outer angle at A.
so, the inner angle at A = 90 - 25 = 65°
now we use the law of sine
a/sin(A) = b/sin(B) = c/sin(C)
with a, b, c being the triangle sides, and A, B, C the angles opposite of the correlated sides.
so, in our case
555/sin(65) = AB/sin(25) = CD/sin(25)
CD = 555×sin(25)/sin(65) = 258.8007503...
≈ 258.8 m
Answer:
x=3 and y=2
Step-by-step explanation:
These equations line up quite nicely, so let's use the elimination method.
x+y=5
+ x-y=1
-------------
2x=6.
Now that we added the two equations together, we only have x as a variable to solve. We now divide 2 from both sides
x=3.
Now we take our 3 and substitute it into one of the equations. I want to put it in the first one.
3+y=5.
We subtract 3 from both sides to get y=2.
We end up with the answers x=3 and y=2. If you plug them in to check, they make sense. 3+2=5 and 3-2=1. This answer is proven to be correct.
Have a nice day :)
Answer:
x = 7/2 y = 5/2
Step-by-step explanation:
You can either use the elimiation or adding and subtracting method to get the variables for both x & y.
Once you solved for one variable, plug in the variable you just solved back into the original equation to find the other variable.
Answer:
The answer is 3
Step-by-step explanation:
