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svet-max [94.6K]
3 years ago
14

Which of the following was a discovery of Edwin Hubble?

Advanced Placement (AP)
2 answers:
zzz [600]3 years ago
8 0

Answer:

Explanation:aA the exstice of other galaxies

mrs_skeptik [129]3 years ago
5 0
A. the existence of other galaxies
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The writer wants sentence 10 (reproduced below) to provide a logical, vivid description of the experience of reading with an e-r
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A. (As it is now)

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Correct

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Solve the following systems of 3-variable linear equations.​
Zina [86]

Answer:

x = 9/25, y = 7/25, z = 4/25

Explanation:

step 1: solve for y in first equation to use substitution

y = -2x + 1

step 2: insert into second equation to eliminate y variable and work with two variables

3(-2x+1) + z = 1 (now distribute)

-6x + 3 + z = 1 (bring over the -3)

-6x + z = -2

step 3: now left with -6x + z = -2 and x + 4z = 1, so eliminate z

-6x + z = -2 (multiply by 4)

4(-6x + z = -2)

-24x + 4z = -8

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x + 4z = 1 (brought down third equation)

-25x = -9

x = 9/25

then just plug in x into the third equation to solve for z, followed by plugging it into the first equation to solve for y. you should end with y = 7/25 and z = 4/25

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2 years ago
At the singularity, which one of these are NOT infinite?
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Escape velocity, stillness is possible
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What organization is the arbiter of names on US maps?
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