Answer: $ 1.60
1.Set up the proportion, 2.5/4 = 1/x.
2. Cross multiply. 2.5x = 4
3. Divide both sides by 2.5. x = 1.6
Answer:1 is black hole and description is atract all matter and energy
2 is nebula a low mass star that has shed its outer layer
3 is white dwarf shells that are cast awat from a low mass star
4 is red super giant a heavy star that expands and gives off large amounts of light
1)
-280
= -14<span>π / 9
answer is B.
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2)
3</span><span>π/ 5
</span><span>= 108
answer
C. 108 degrees
3)
cos (3</span>π/4) = -√2 / 2
sin ((3π/4) = √2 / 2
cos (3π/4) and sin ((3π/4) = -√2 / 2 * √2 / 2
<span>
answer is
</span> -√2 √2
------ * --------
2 2<span>
</span>
Answer:
sorry I don't know the answer of this
