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ollegr [7]
3 years ago
12

Lines a and b are parallel.

Mathematics
2 answers:
Stella [2.4K]3 years ago
7 0

Answer:

Lines a and b are parallel.

Which angle is congruent to 4?

Congruent angle is angle with the same shape and size

the congruent angle to 4 is 6

Step-by-step explanation:

GenaCL600 [577]3 years ago
3 0

Answer:

C

Step-by-step explanation:

Since a and b are parallel lines, then

∠ 4 and ∠ 5 are alternate interior angles and congruent, thus

∠ 5 is congruent to ∠ 4 → C

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ddd [48]
<span>metric is very conveinient
1gram=1cm^3 of water
1m^3=1,000,000,000 grams

water is 18.015 grams per mole
(1,000,000 grams water)/(18.015 grams/mole) = 55509.3 moles

there are 6.02e23 molecules in 1 mole of water so
55509.3 moles * (6.0221E23) = 3.3428E27 molecules of water </span>in 1m^3 of water
so we have200 of those
200 times <span>3.3428E27=6.6856E29 molecules

answer is </span><span>6.6856 times 10^29 mlecules</span>
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4 years ago
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First square both sides to get:

c + 22 = (c + 2)^2

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c + 22 = c^2 + 4c + 4

Move the terms on the left side to the right side:

c^2 + 3c - 18 = 0

Factor to get:

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The solutions are c = -6 and c = 3.

Check to see if these answers work by plugging them into the original equation:

c = -6:

sqrt (-6 + 22) ?= -6 + 2

But, -6 + 2 is a negative number, and you can't get a negative from a square root. So, -6 is extraneous.

c = 3:

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3 years ago
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Answer:

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Step-by-step explanation:

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kodGreya [7K]

Answer:

f(x) = { x, -5 ≤ x < 0 and 3x - 3, 1 ≤ x < 5

Step-by-step explanation:

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Altogether,

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