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GREYUIT [131]
3 years ago
9

(20 points) (literal equations)

Mathematics
2 answers:
maksim [4K]3 years ago
5 0

Answer:

Correct option is:

x = y − 4

Step-by-step explanation:

We have to solve y=x+4 for x

y=x+4

or x+4=y

subtracting both sides by 4

x+4-4=y-4

x=y-4

Hence, Correct option is:

x = y − 4

Nataly [62]3 years ago
4 0

y = x + 4

move +4 to the other side

sign changes from +4 to -4

y-4= x+4-4

y-4= x

Answer:

x=y-4

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Express each logarithm in terms of In 2 and In 5.
Sladkaya [172]

Answer:

5ln2-3ln5

2ln5-ln2

Step-by-step explanation:

∵ 32=2^{5}

∵ 125=5^{3}

∵ ln\frac{32}{125}=ln\frac{2^{5}}{5^{3}}

∴ ln2^{5}-ln5^{3}=5ln2-3ln5

∵ 12.5=\frac{125}{10}=\frac{25}{2}=\frac{5^{2}}{2}

∴ ln12.5=ln\frac{5^{2}}{2}

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3 years ago
A Rectangular has area 12a^2 and perimeter 14a what are the dimensions of this Rectangular?​
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Answer:

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Step-by-step explanation:

For dimensions L and W, the area and perimeter are ...

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Using the second equation, we can find L:

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  (W -3a)(W -4a) = 0 . . . . . . . factor (find factors of 12 that total 7)

Then we have the two solutions ...

  W = 3a, L = 4a

  W = 4a, L = 3a

The rectangle dimensions are 3a by 4a.

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