<img src="https://tex.z-dn.net/?f=x%3D-2%5C%5Cx%2B3y%3D4" id="TexFormula1" title="x=-2\\x+3y=4" alt="x=-2\\x+3y=4" align="absmid

If you take the sin(39) or cos(51), it is equal to BC/27. Multiply by 27 on both sides to get 27cos(51) or 27sin(39)= x. Plug into the calculator, and voila.

7 0

2 years ago

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A lock consists of 3 dials, where each dial has 4 letters. What is the probability of guessing the right combination in one try?

Alex17521 [72]

1/12 because 3*4=12 and it has 4 letters

6 0

3 years ago

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[[Please explain]] The length of a spring varies directly with the mass of an object that is attached to it. When a 30-gram obje

marishachu [46]

Answer:

rfrferer

Step-by-step explanation:

frfrfreerrfrfrf

4 0

2 years ago

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(x^2-3x+2)^2 - 4x + 2

larisa86 [58]

Answer:

$x^{4} -6x^{3} +13x^{2} -12x+4$

Step-by-step explanation:

$(x^{2} -3x+2)^{2} -4x+2\\(x^{2} -3x+2)(x^{2} -3x+2) -4x+2\\x^{4} -3x^{3} +2x^{2} -3x^{3} +9x^{2} -6x+2x^{2} -6x+4\\x^{4} -6x^{3} +13x^{2} -12x+4$

7 0

2 years ago