Please help, im having a hard time understanding this bit.

1 answer:

3 0

It all depends upon what other things are given If hypotenuse is not given, in cosine or reciprocals are useless. In that case only tan and cot will be equally convenient if adjacent sides are given.

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7x + 1 by = 1/3 2x + 2y = 28

sweet-ann [11.9K]

7x+1 = (1/3)
2x + 2y = 28

Systems of equations.
Solve equation with single variable first.
7x+1 = (1/3) , x = (-2/21)

Substitute the value of x in second equation and solve for y.
2(-2/21) + 2y = 28, y = (296/21)

I’m assuming that isn’t the correct answer because you wrote the first equation incorrectly.

7 0

3 years ago

If m <5=42 what is m <4 42 48 128 138

Reika [66]

Answer:

48° or 138°

Step-by-step explanation:

$Complementary \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: Supplementary$