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137 degrees

Step-by-step explanation:

m<1 + x =180

43+x=180

x=180-43

137

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By using the definition of supplementary angles we see that two or more angles part of the same line will add up to 180° total. For example in this equation we see that the m<43°+m<x = 180. This is because the angles, together, are part 1 line. If your still confused about supplementary angles just search them up and youll get it. Therefore is the m<43° + m<x=180° then x is 137°.

137°

Step-by-step explanation:

i dont have an answer

step-by-step explanation:

hello from mrbilldoesmath!

answer:   (7x + 6y) ( 49x^2 - 42xy + 36y^2)

discussion:

in general, the factorization of a^3 + b^3 is

a^3 + b^ 3 = (a + b) ( a^2 - ab + b^2)

in our case note that 343 = 7^3 and 216 = 6^3 so the equation becomes:

343x^3 + 216y^3 = (7x)^3 + (6y)^3

if you think of a (above) as 7x and b as 6y the factorization becomes

343x^3 + 216y^3 =

((7x + 6y) (   (7x)^2 - 7x*6y + (6y)^2)   =

(7x + 6y) ( 49x^2 - 42xy + 36y^2)

you,

mrb

(a + b) (a^2 - a b + b^2)