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Elena L [17]
1 year ago
7

Randy divides (2x4 – 3x3 – 3x2 + 7x – 3) by (x2 – 2x + 1) as shown below. What error does Randy make? x squared minus 2 x + 1 St

artLongDivisionSymbol 2 x Superscript 4 Baseline minus 3 x cubed minus 3 x squared + 7 x minus 3 EndLongDivisionSymbol. minus 2 x Superscript 4 Baseline minus 4 x cubed + 2 x squared to get a remainder of x cubed minus 5 x squared + 7 x. minus x cubed minus 2 x squared + x to get a remainder of negative 3 x squared + 6 x minus 3. minus negative 3 x squared + 6 x minus 3 to get a remainder of 0 and a quotient of 2 x squared + x + 3. He makes a subtraction error. He makes an error writing the constant term in the quotient. He makes an error choosing the x-term in the quotient. He makes an error rewriting the problem in long division.

Mathematics
1 answer:
melomori [17]1 year ago
5 0

Answer:

See attached sheet

Step-by-step explanation:

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A carpenter is framing an opening in a wall to hang a rectangular door. Which properties must the door frame have to ensure that
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A) The top and bottom are parallel.B)The top and right side form a right angle.D)The left side and right side are parallel.E)The left side and bottom form a right angle.
Are correct just took the assignment and got it right.
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11/12​−6/1​q+6/5​q−3/1​, Combine like terms to create an equivalent expression.
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Answer: -\frac{25}{12} -\frac{24q}{5}

Step-by-step explanation:

\frac{11}{12} -\frac{6}{1} q+\frac{6}{5}q-\frac{3}{1}

\frac{11}{12} -6q+ \frac{6q}{5} -\frac{3}{1}

\frac{11}{12}-6q \frac{6q}{5} -3

(\frac{11}{12} -3)+(-6q+\frac{6q}{5} )

-\frac{25}{12}- \frac{24q}{5}

Simplify three times, collect like terms and simplify again, how to collect like terms see their differences and then put them into groups, for example I put all the numbers without variables on one side and all the numbers with variables on another.

Hope this helps, now you know the answer and how to do it. HAVE A BLESSED AND WONDERFUL DAY! As well as a great rest of Black History Month! :-)  

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Christy spent $500 over her budget on gifts during the holidays. In addition to her regular job, she took a part-time job at the
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Christy will have to work 50 hours to pay off her debt.

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Hope this helped!
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An iron tank is constructed in the form of an isosceles trapezoid. Each base angle measures 105°, the length of the base is 10 f
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The right answer for the question that is being asked and shown above is that: "13 ft."An iron tank is constructed in the form of an isosceles trapezoid. Each base angle measures 105°, the length of the base is 10 feet, and each of the <span>nonparallel sides is 12 feet long. The length of a diagonal brace to the nearest whole number is 13 ft</span>
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2 years ago
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Accident rate data y1, ...., y12 were collected over 12 consecutive years t=1,2,...12. At over 12 consecutive years t = 1,2,...,
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Answer:

The correct option is;

The accident rate is a linear model function of t. After t = 7, the slope changes, with the two lines intersecting at t = 7

Step-by-step explanation:

The given parameters are;

Accident rate data = y₁, y₂, y₃, y₄, y₅, y₆, y₇, y₈, y₉, y₁₀, y₁₁, y₁₂

Time at which data was recorded = t₁, t₂, t₃, t₄, t₅, t₆, t₇, t₈, t₉, t₁₀, t₁₁, t₁₂

Accident rate equation is a linear model given as follows;

y = X·B + E

Where:

y = Accident rate

X = Slope of linear model

B = Year

E = y intercept of model

At the end of the 6th year, a change in a regulation that affects safety, hence accident rate occurred given as follows;

Before the change in safety regulations occurred for year t < 7 y₁ = X₁B + E₁

After the change in safety regulations occurred for year t < 7 y₂ = X₂B + E₂

Therefore the slope changes from X₁ to X₂ after t = 7 with the second linear model starting from the end of the first linear model making the two lines intersect at t = 7 (the beginning of year 7)

Hence the correct option is that "The accident rate is a linear model function of t. After t = 7, the slope changes, with the two lines intersecting at t = 7."

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2 years ago
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