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olga nikolaevna [1]
3 years ago
15

Let u = in x and v = in y. Write in(x3y2) in terms of u and v

Mathematics
1 answer:
sleet_krkn [62]3 years ago
8 0

Answer:

Step-by-step explanation:

you mean u=ln x,v=ln y

ln(x^3y^2)=lnx^3+ln y^2

=3 ln x+2 ln y

=3u+2v

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Answer:

$1.80

Step-by-step explanation:

Let the cost of a hot dog = x

The cost of a hot dog roll = y

Eight hot dogs and seven hot dog rolls cost $\$13.60$.

8x + 7x = $13.60..... Equation 1

Seven hot dogs and eight hot dog rolls cost $\$13.40$.

7x + 8x = $13.40...... Equation 2

Combining both Equation

8x + 7x = $13.60..... Equation 1

7x + 8x = $13.40...... Equation 2

Eliminating x

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56x + 49y = 95.2..... Equation 3

56x + 64y = 107.2 ..... Equation 4

Subtracting 4 from 3

-15y = -12

y = -12/-15

y = 0.8

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Solving for x

8x + 7x = $13.60

8x + 7(0.8) = 13.60

8x + 5.6 = 13.60

8x = 13.60 - 5.60

8x = 8.0

x = 8.0/8

x = 1.

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The cost in dollars of a hot dog and a hot dog roll cost combined is

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Step-by-step explanation:

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Step-by-step explanation:

From the question, we are informed that Yvette uses 6grams of tea leaves to make 24 fluid ounces of tea. This means that for 1 gram of tea leaves, she'll use:

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= 288/4

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5 0
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