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Mekhanik [1.2K]
3 years ago
10

3x=5+y/y Solve For Y HELP

Mathematics
1 answer:
inna [77]3 years ago
5 0

Answer:

3x =  \frac{5 + y}{y} ) \times y \\ 3xy = 5 + y \\3 xy - y = 5 \\ y(3x - 1) = 5 \\ y =  \frac{5}{3x - 1}

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Which algebraic expression represents this phrase?
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Answer:

C

Step-by-step explanation:

the question is asking for the product which has to do with multiplication or addition. Although in this case it seems that multiplication best fits.

8 0
3 years ago
Find the maximum profit and the number of units that must be produced and sold in order to yield the maximum profit. Assume that
Murljashka [212]

Answer:

185 units

Step-by-step explanation:

Given,

The revenue function is,

R(x) = 4x

Cost function,

C(x) = 0.01x^2 + 0.3x + 4,

Where,

x = number of units produced.

Thus, profit = revenue - cost

P(x) = 4x - ( 0.01x^2 + 0.3x + 4) = -0.01x^2 + 3.7x - 4

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P'(x) = -0.02x + 3.7

Again differentiating with respect to x,

P''(x) = -0.02

For maxima or minima,

P'(x) = 0,

-0.02x + 3.7x =0

-0.02x = -3.7

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For x = 185,

P''(x) = negative,

Hence, for maximising the profit 185 units must be produced.

3 0
3 years ago
Create an equivalent expression for 4t-18-t+2t+20
alexandr1967 [171]

Answer:

5t + 2

General Formulas and Concepts:

<u>Algebra I</u>

  • Combining Like Terms

Step-by-step explanation:

<u>Step 1: Define Expression</u>

4t - 18 - t + 2t + 20

<u>Step 2: Simplify</u>

  1. Combine like terms (t):                    5t - 18 + 20
  2. Combine like terms (Z):                   5t + 2
6 0
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Read 2 more answers
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Answer:

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Which means that if this is a right triangle then 3² + 7² = √57²

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7² = 49

√57² = 57

9 + 49 = 58

we're left with 57 ≠ 58 which is not true, meaning that , that is not a right triangle

3 0
3 years ago
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Firlakuza [10]

Answer:

58

Step-by-step explanation:

3 0
3 years ago
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