3 years ago

1. Do all substances form solutions in water?

1 answer:

6 0

Answer:

No. because if u but paper in woder wth would it do? NOTHING. it'd oonly make soggy paper. same with cardboard. U CANT EXPECT THE SAME!!!

Step-by-step explanation:

o snap read the question wrong. OH WELL> I GUESS IM GETTING POINTS FOR NOTHING. anyways, its untrue, because if you havve a solid subtance inside, and the solid substance is solid, then its solid. SO NOT ALL FORM SOLUTIONNSSNSNSNNSN.

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12. (05.02 LC) Look at the figure below: an image of a right triangle is shown with an angle labeled y If sin y° = 7 over q and

meriva

Answer:

$sec~y=\frac{q}{r}$

Step-by-step explanation:

$tan ~y=\frac{7}{r} \\\\\frac{sin~y}{cos~y} =\frac{7}{r} \\\\sin~y=\frac{7}{r} cos~y\\sin ~y=\frac{7}{q} \\\frac{7}{q} =\frac{7}{r} cos~y\\sec~y=\frac{7}{r} \times \frac{q}{7} =\frac{q}{r}$