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Gennadij [26K]
3 years ago
7

2x-3 5x+6= Multiply and combine like terms

Mathematics
2 answers:
frez [133]3 years ago
6 0

Answer:

Step-by-step explanation:

Use FOIL method

(2x - 3)(5x + 6) = 2x*5x + 2x*6 + (-3)*5x  + (-3) *6

                        = 10x² + 12x - 15x  - 18 {Combine like terms}

                        = 10x² - 3x - 18

Like terms are terms that have same variable with same power.

Karo-lina-s [1.5K]3 years ago
4 0

Answer:

10x^2 - 3x -18

Step-by-step explanation:

if you meant (2x-3)(5x+6), you just multiply out

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Four times a number, decreased by 2, is 8 more than the product of six and the number.
Svetradugi [14.3K]

Answer:

-5

Step-by-step explanation:

4x -2 = 8 + 6x

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x = -5

3 0
2 years ago
Write a proportion and show work
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for this case we must write a proportion that shows the earnings obtained from Mrs. Miller for the sale of the house.

By making a rule of three we have:

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Where "x" represents the gains obtained.

So:

x = \frac {6 * 179000} {100}

Writing the proportion:

\frac {x} {179000} = \frac {6} {100}

The earns were:

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ANswer:

\frac {x} {179000} = \frac {6} {100}\\x = 10740

8 0
4 years ago
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The elevation of a mountain is 27,370 feet. Due to erosion, this mountain is reduced by 0.2% each year. In how many years will t
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Answer:

7 years

Step-by-step explanation:

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4 0
3 years ago
Please help me on number 4 or 6 ITS DUE RIGHT NOW
melamori03 [73]

Answer:

#6:

A: m=-\frac{2}{5}

Step-by-step explanation:

Points: (3, -5) and (-7, -1)

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I’m no math teacher but I think it’s 13
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4 years ago
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