Take the square root of both sides
remember to take the positive and negative root
2x+5=-7 or
2x+5=7
solve each
2x+5=-7
subtract 5
2x=-12
divide 2
x=-6
2x+5=7
subtract 5
2x=2
divid 2
x=1
x=-6 or 1
Answer:
Step-by-step explanation:
Given
The attached triangle
Required
Find x
Using law of sine, we have:
So, we have:
Make x the subject
-- approximated
Y=2x+0.5
4.5=2x+0.5
4.5-0.5=4
4=2x
4÷2=2
x=2
so
Answer:
D. the angle is greater than 90* (aka a right triangle) so it is an obtuse. Hope this helps!!!
Step-by-step explanation: