isabellarenee
isabellarenee
25-09-2018
Mathematics
contestada
How do I solve this?
Respuesta :
Gal52
Gal52
25-09-2018
Complementary is 90 degrees.
Setting the equation
7x+4+4x+9=90
Combining like terms
11x+13=90
Subtract
11x=77
Divide
x=7
Plug the value of x into each of the equations
7(7)+4
49+4
53=<A
4(7)+9
28+9
37=<B
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