Question

x/x-3-8/x+3=8/x^2-9

Answer 1

x(x+3) -8(x-3) = 8
x^2 + 3x -8x + 24 -8 = 0
x^2 -5x + 16 = 0
x = 5 + sqrt(25 - 4 * 16) / 2 or 5 - sqrt((-39) / 2
x = (5 +i sqrt39) /2 or 5 - isqrt39) / 2

Answer 2

The midpoints of the sides of a square form a square. True or False?

Answer 3

The purpose of studying the insects at a crime scene is to help establish _____.

Answer 4

The insect colonization of a corpse is _____.

unpredictable
predictable based on

Answer 5

The young maggots grow rapidly because of _____ offered by the dead body.

the ba

Answer 6

The rules of rounding are completely different for decimals compared to whole numbers.

Answer 7

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Answer 8

Quantitative analytic methods are needed to determine _____.

the amount of poiso

Answer 9

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Answer 10

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Answer 11

Draw the lewis dot diagram for the following atoms

F

He

S

Answer 12

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Answer 13

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Answer 14

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Answer 15

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Answer 16

Are the following intensive and extensive properties?

Volume
Density

Answer 17

What is/are the units associated with the following quantity?

Volume
Density

Answer 18

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Answer 19

Which of the following are not polynomials?
A.2/3x^-2+x+1
B.x^3+0x^2+2x+sqrt2
C.x^2/5+sqrt3x+1
D.2/x^3+x+1/2
E. x^-2+x+1

Answer 20

Why was an algae cell included along with the plant and animal cells?

Answer 21

Which of the following equations demonstrate that the set of polynomials is not c