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stealth61 [152]
3 years ago
6

2(3x-1)-3x using the least number of terms

Mathematics
2 answers:
vfiekz [6]3 years ago
3 0

Answer:

<h2>3x - 2</h2>

Step-by-step explanation:

2(3x-1)-3x = 6x - 2 - 3x

                = (6x - 3x) - 2

               = 3x - 2

maw [93]3 years ago
3 0
If you’re asking to simplify the equation, the answer is 3x-2. Explanation: distribute the 2 on the outside of the parenthesis first to get (6x-2)-3x. You can remove the parenthesis now since there aren’t any terms trying to interact with the numbers inside the parenthesis. Now, add the like-variables (the x variables) and you should get 3x-2. Since there aren’t any more like-variables, the equation is completely simplified.
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james' daily wage was $5 more than Davis's. Although James worked 3 days less than David, they earned $180 each. Find the number
zalisa [80]

Answer: 9 days

Step-by-step explanation:

Let x represent James' daily wage

James' daily wage was $5 more than Davis's. It means that Davis's daily wage will be $(x-5)

Let y represent number of days that James worked. James worked 3 days less than David. It means that the number of days that Davis worked would be (y + 3) days

they earned $180 each. Total amount of money earned by either of of them is the product of wage and the number of days worked.

Since James earned $180, then

180 = xy - - - - - - - - 1

Since Davis also earned $180, then

180 = (x - 5)(y + 3)

xy +3x -5y -15 = 180 - - - - - - - - 2

Substituting xy = 180 into equation 2

It becomes

180 + 3x - 5y -15 = 180

3x - 5y = 180 - 180 + 15

3x - 5y = 15 - - - - - - -3

From equation 1, x = 180/y

Substituting x = 180/y into equation 3, it becomes

3 × 180/y - 5y = 15

540 - 5y^2 = 15y

5y^2 + 15y -540 = 0

Dividing through by 5

y^2 + 3y -108 = 0

y^2 + 12y - 9y -108 = 0

y(y + 12) - 9(y + 12) = 0

y + 12 = 0 or y - 9 = 0

y = -12 or y = 9

Since the number of days cannot be negative, then,

Number of days that James worked will be 9 days

8 0
3 years ago
Consecutive angles in a parallelogram are supplementary. What is the value of x?
Naddika [18.5K]

Step-by-step explanation:

HERE,

\angle{PQR=20+2x  } ⠀

\angle{ QRS=6x } ⠀

we know that,

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so,

According to the question,

\angle{PQR}+\angle{QRS}=180 ⠀

\tt{20+2x+6x=180  } ⠀

\tt{8x+20=180  } ⠀

\tt{8x=180-20  } ⠀

\tt{8x=160  } ⠀

\tt{x=\dfrac{160}{20}  } ⠀

\tt{ x=20 } ⠀

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3 years ago
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uranmaximum [27]

Answer:

x=140times0.4

Step-by-step explanation:

then subtract your anser from 140

5 0
2 years ago
Y is an irrational number between 3 and 4 . what is the value of y
Paraphin [41]

Answer:

If a and b are two positive rational numbers such that ab is not a perfect square of a rational number, then ab is an irrational number lying between a and b.

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1.89871747424 heres the answer

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