Answer:
problem 1 2x+5y= 0
×=-1/2-5/2y
problem 2 y=1 3/7y y=-1.428571
7y=-10
problem 3 x=-7
problem 4 x-y=20
x=-20
The picture is completely black I’m not sure if that’s what you’re trying to fix but I think you didn’t uploads it correctly.
6 + 2(x)2
6 + 2(3)2
=6 + 6(2)
=6 + 12
=18
Answer:
b. A = 71.6°; C = 45.40°; b =15.0
Step-by-step explanation:
The missing values can be found with the help of the Law of Cosine and properties of triangles:
Side b (Law of Cosine)



Angle A (Law of Cosine)





Angle C (Sum of internal angles in triangles)


Hence, the right answer is B.
Answer:
Let the income and saving rs7x and respectively 2x
then
2x=500
Step-by-step explanation: