Describe and correct the error a student made when graphing y + 5 = - 3/4 (x - 8).

Describe And Correct The Error A Student Made When Graphing Y + 5 = - 3/4 (x - 8).

Answers

Answer 1

The student's first error was in step 1.

Step 1 should involve plotting a point at (0, 1).

Step 2 should involve plotting a point 3 units down and 4 units right from the point in step 1, at (4, -2).

Step 3, connecting the points with a line was correct.

In this question, we have been given an equation of line y + 5 = - 3/4 (x - 8)

We need to describe and correct the error a student made when graphing y + 5 = - 3/4 (x - 8).

Consider given equation.

y + 5 = - 3/4 (x - 8)

y + 5 = - 3/4 x - (-3/4) 8

y + 5 = -3/4 x + 6

y = (-3/4)x + 6 - 5

y = -3/4 x + 1

Here,

slope(m) = (-3/4)

and y-intercept (c) = (0, 1)

Therefore, the student's first error was in step 1.

Step 1 should involve plotting a point at (0, 1).

Step 2 should involve plotting a point 3 units down and 4 units right from the point in step 1, at (4, -2).

Step 3, connecting the points with a line was correct.

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Related Questions

72. At 6:00 a.m., the temperature was 7 degrees below zero Fahrenheit. At noon, the temperature was 10 degrees higher. At 6:00 p.m., the temperature was 5 degrees cooler than it was at noon. What was the
temperature at 6:00 p.m.?
E. -2°
F. -1°
G. 3°
H. 5°

Answers

E. -2
Since, -7 + 10 = 3, then 3 - 5 = -2

Answer:

E. -2

Step-by-step explanation:

First, find the temperature at 6 am, which was -7 degrees Fahrenheit

Then, add the ten degrees from noon, making the temperature 3 degrees Fahrenheit

lastly, take away the 5 degrees that dropped making it -2 degrees Fahrenheit

Assume a profitable economic well produces an average income of $23 million, while the average cost of a dry hole is $1.2 million. How much profit can be expected from a 100-well drilling program?

Answers

The most appropriate choice for revenue and profit will be given by-

Profit expected from a 100-well drilling program = $[tex]146.2[/tex]

What is revenue and profit?

Total income generated by sale of goods and service is called revenue.

If [tex]p[/tex] is the cost of producing one unit of a commodity and [tex]q[/tex] is the number of units of the commodity, then the product of [tex]p[/tex] and [tex]q[/tex] gives the revenue.

If the revenue obtained by selling a commodity is more than the cost, difference between revenue and cost gives the profit.

Here,

Number of economic wells = 11

An economic well produces an average income of $23

Revenue obtained = $[tex]$[/tex][tex](23 \times 11)[/tex]

Number of dry wells = [tex]100 - 11[/tex]

                                  = [tex]89[/tex]

Average cost of a dry hole is $1.2 million

Cost of 89 dry holes = $[tex]$[/tex][tex](89 \times 1.2)[/tex]

                                   = $[tex]106.8[/tex]

Profit = Revenue - cost

         = $[tex](253-106.8)[/tex]

         = $[tex]146.2[/tex]

Profit  expected from a 100-well drilling program = $[tex]146.2[/tex]

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Complete Question

The diagram has been attached

Assume a profitable economic well produces an average income of $23 million, while the average cost of a dry hole is $1.2 million. How much profit can be expected from a 100-well drilling program?

suppose the reading rate of 6th grade students is uniformly distributed (this phrase tells you to use the uniform distribution!) between 100 and 180 words per minute. calculate probability that a selected student has a reading rate less than 115 words per minute.

Answers

Answer:

0.84 or 0.48 I cant remember

Step-by-step explanation:

my picture of good luck

For the regular octagon, please find the order of rotation and the angle
of rotation. Show all work for full credit.

Answers

A regular octagon is a closed figure with equal-length sides and equal-sized interior angles.

Measure of interior angle = 135°

Measure of exterior angle = 45°

What is meant by regular octagon?

A regular octagon is a closed figure with equal-length sides and equal-sized interior angles. It possesses rotational symmetry of order 8 and eight lines of reflective symmetry. The Schläfli sign "8" represents a regular octagon. A regular octagon's internal angle at each vertex is 135°. ( radians).

We know that for a regular polygon with n sides the measure of each of the exterior angle = 360/n

Also, the measure of each of the interior angles of the regular polygon with n sides = (n - 2) × 180 / n

We have n = 8 (octagon)

Therefore, the measure of each of the exterior angles is: 360/8 = 45

Measure of each of the interior angles is given by:

(8-2) × 180/8 = 1080/8 = 135

Measure of interior angle = 135°

Measure of exterior angle = 45°

Therefore, the correct answer is option A. 45°, 135°.

The complete question is:

What is the angle of rotation of this regular octagon? What is the measure of an interior angle? A. 45°, 135° B. 22.5°, 135° C. 45°, 108° D. 22.5°, 108°

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Simplify the expression √9x^3/25y^2 and be sure to explain your steps!

Answers

The expression √9x³/25y² when simplified gives the result 3x³/25y².

What is the mathematical definition of expression?In mathematics, an expression is a statement made up of terms and operations. The terms can be numbers or variables with coefficients. Addition, subtraction, multiplication, and division are all possible operations.Simplifying an expression is the same as solving a math problem. When you simplify an expression, you are attempting to write it in the simplest feasible manner.

The given expression is √9x³/25y².

In the expression, calculate the square root of 9.

As a result, we have the following expression.

⇒ 3x³/25y²

The above expression cannot be simplified any further.

Therefore, the simplified expression is 3x³/25y².

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Which table does not represent a proportional relationship?

Answers

Answer:

Table 3

Step-by-step explanation:

The ratio of x and y is not constant.

Jill converted the equation of the line 15x-4y=-2 into slope-intercept form and found the slope and y-intercept of
the line as follows.
15x-4y=-2
15x-4y-15x--2-15x
-4y=-2-15x
-4y -2-15x
-4
22
-4
y-2--16x
y-1-15x
y=-15x+12/2
15
4
slope =

Answers

Answer: She got the sign of the slope wrong

Step-by-step explanation:

She did  -4y         -2 - 15x

                -4      =       -4

and turned that into ,

 -2         -     -15x  

 -4    (minus)  -4

which is wrong, because she did the negative twice. Therefore, she mixed up the sign of the slope.

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You have 200 feet of fencing to enclose a rectangular plot that borders on a river (a long side borders the river). If you do not fence the side along the river, find the length and width of the plot that will maximize the area. What is the largest area that can be enclosed?

Answers

The maximum Area that can be enclosed will be 5000 square feet.

In the given question, it is stated that 200 feet of fencing will be done to enclose a rectangular plot with borders on a river. It has a long side on the border of a river which does not needs fencing. We need to find out the Length and Width of the plot that will maximize the area and also find out the Maximum area that can be enclosed.

It is given that the total length of the fence is 200 feet.

Let the length of the plot be l

let the width of the plot be w

=> Total Perimeter will be = l + 2w because the longer side or 1 side of length does not need fencing. Putting the perimeter as 200 we get

=> l + 2w = 200     => Equation (1)

Now, we know the Area of the plot will be l*w,

By equation (1) we get l = 200 - 2w, Putting the values in the Area:

=> Area = (200-2w) * w

=> A = 200w - 2w²

For maximum Area, the derivative of A with respect to w will be 0

=> [tex]\frac{dA}{dW} = 200 - 4w[/tex]

=> [tex]0 = 200 - 4w[/tex]

=> w = 50

Putting w = 50 in Equation (1) we get

=> l = 100

We got our Length l = 100 feet, and Width w = 50 feet. Now we will Calculate the maximum Area to enclose.

=> Area = l*w

=> A = 100*50

=> A = 5000

Hence, the Maximum area to enclose will be 5000 square feet.

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A rectangle concrete patio is 20 FEET long, 12 FEET wide, & 4 INCHES thick. What is the volume in cubic feet, of the concrete?

Answers

960 cubic feet.

To find the volume, multiply length, times width, times height

Answer:960

Step-by-step explanation:

4x12x20=960

Martha paid $6.35 for five pounds of chicken last week .What is the chicken's price per pound.

Answers

Answer:

$1.27

Step-by-step explanation:

80/15 y 6 son equivalentes?
6 y 5 7/8 son equivalentes?

Answers

Answer:

80/15 and 6 are equivalent?-no because 80/15=5 5/15 or 5 1/3

6 and 5 7/8 are equivalent? no because it is 1/8 off

Write the phrase "Four times the difference of six and y equals five less than y" as a variable expression:

Write the phrase "six more than nine times n is twenty" as an equation:

Answers

Answer: 4(6-y)

Step-by-step explanation: Since you are multiplying 4 by the difference of 6 and y, you put 6 and y in parenthesis with the 4 on the outside. Then 6-y goes inside the parenthesis.

Also the second one would be (6+9)n=20

what is -3.1 x (-2.9)

Answers

The answer is : +8,99

How do the digestive and circulatory systems interact?​

Answers

Answer:

(1) Digestive System gets nutrients (good) from food and hands it over to the blood and Circulatory System then carries those nutrients where they need to go. (2) Filters out waste from food and pushes it through intestines and out the body (and you know how and where it gets out).

Step-by-step explanation:

Digestive System gets nutrients (good) from food and hands it over to the blood and Circulatory System then carries those nutrients where they need to go. (2) Filters out waste from food and pushes it through intestines and out the body (and you know how and where it gets out).

Otto used 5.5 cups of whole wheat flour and x cups of white flour in the recipe. What is the equation that can be used to find the value of y, the total amount of flour that Otto used in the recipe, and what are the constraints on the values of x and y?

y=5.5x; x is any integer greater than or equal to 0, and y is an integer greater than or equal to 5.
y=5.5x; x is any real number greater than or equal to 0, and y is any real number greater than or equal to 5.5.
y=x+5.5; x is any integer greater than or equal to 0, and y is an integer greater than or equal to 5.
y=x+5.5; x is any real number greater than or equal to 0, and y is any real number greater than or equal to 5.5

Answers

The equation that can be used to find the value of y, the total amount of flour that Otto used in the recipe is D. y=x+5.5; x is any real number greater than or equal to 0, and y is any real number greater than or equal to 5.5

What is an equation?

A mathematical equation is the statement that illustrates that the variables given. In this case, two or more components are taken into consideration to describe the scenario.

In this case, Otto used 5.5 cups of whole wheat flour and x cups of white flour in the recipe.

The equation will be:

y = 5.5 + x

where y = total wheat

The option that correctly reflects this is D.

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Answer:

The answer is D

Step-by-step explanation:

Is y=x(1-x)-(1-x^2) a linear, quadratic, or absolute value

Answers

The y=x(1-x)-(1-x²) is a linear value that is not absolute.

Simplifying,

y=x(1-x)-(1-x²)

y=x-x²-1+x²

y=x-1

Thus, it is a linear equation with a negative value therefore it is not an absolute value.

Ax+By=C is the general form of a two-variable linear equation. When the equation is written in this manner, it is quite simple to obtain both segments (x and y).

Any polynomial that can be rewritten in the canonical form is a quadratic equation. where x represents an unknown quantity and a, b, and c represent known quantities, with a = 0. This indicates that f(x) = 0 is the root of function f(x) = ax2 + bx + c, which is the answer to the quadratic equation ax2 + bx + c = 0.

The absolute value of a real figure x, denoted by |x|, is the non-negative real value of x, regardless of its sign.

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Complete the statement below. Then use a number line to find the sum 5 + (-2). 5 + (-2) is ___ units from 5, in the ___ direction.

Answers

Answer/
5+(-2) is 8 units away from 5, in the left direction
explanation:
when you add a positive and a negative, the negative becomes a positive number, therefore, you get -3. Since it’s asking how far -3 is from 5, you have to do |-3| + |-5| and you get 8.
Therefore, it is 8 units away from 5, and since -3 is smaller then 5, it is in the left direction.

please help me ty

this needs a step-by-step explanation

Answers

Answer:

4x3 which would be 12

Step-by-step explanation:

You write the words as numbers. Check if your answer is the same as the answer you have put for Number 4 and explain the difference

four times three can be numerically written as 4×3 which is equal to 12.

What are some alternative names for arithmetic operations?

The addition is also known as the sum, subtraction is also known as the difference, multiplication is also known as the product, and division is also known as the factor.

We know an alternative name for multiplication is times.

Given in the question four times three, this means we have to multiply 4 and 3 which is,

= 4×3.

= 12.

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p(x) = -3x - 1
graph the linear function

Answers

Answer:

Step-by-step explanation:

1) First find the y-intercept point

You can find it easily by finding the number without the variable. In this case, it is -1. With this draw a point on the y-axis line down to -1.

2) Find the slope.

Next, you can find a point by substituting a number for x. So in this example, I will be subbing x for 1.

y = -3(1) - 1

y= -3 - 1

y= -4

So there will be a point at (1,-4).

3) Graphing.

After you find that you can easily draw a straight line through both points.

Evaluate. Write your answer as a fraction in simplest form. 4/3 to the power of 3

Answers

Answer:

[tex]2 \frac{10}{27}[/tex]

Step-by-step explanation:

4/3 to the power of 3 = to 4/3 x 4/3 x 4/3

which in the end equals to 64/27

there's no common factor between them to simplify, but we can turn them into a mixed number, which is 2 10/27 by dividing 64 and 27

Is the following a function??

Answers

The collection of all points in the plane with the form (x, f(x)) that make up a function f's graph. Alternatively, we may say that the graph of f is the graph of the equation y.

Explain about the function?

A function is a type of rule that produces one output for a single input. Source of the image: Alex Federspiel. This is illustrated by the equation y=x2. Any input for x results in a single output for y. Considering that x is the input value, we would state that y is a function of x.

Up until function composition, that is essentially all there is to "operations on functions." Don't be alarmed by the topic's notation; it simply means what it says: add, subtract, multiply, or divide; then, when necessary, simplify and evaluate.

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Question 22 (3 points)
Given that you are starting with:
4 + 2x = 10 - 4x
What are the equivalent equations in order to solve.
>
6x = 6
Xx = 1
4 +6x = 10

Answers

Answer:

Step-by-step explanation:

4+2x=10-4x

4+6x=10

6x=6

x=1

:]

through: (-4,-2), slope 7/4

Answers

Answer:

y = 7/4x + 5

Step-by-step explanation:

Point slope form:

y+2 = 7/4(x+4)

y+2 = 7/4x + 7

y = 7/4x + 5

:]

Rollaround skate rink charges $5 admission and $3 per hour for a skate rental. Spinaround skate rink charges $8 admission and $1.50 per hour for a skate rental. Write an equation to determine at what point the cost of both roller skating rinks is the same.​

Answers

Answer:

2 hours

Step-by-step explanation:

Let x be the time, in hours, for which the cost of Rollaround and Spinaround are the same.

Rollaround Cost (Cr):    Cr = $5 + $3x

Spinaround Cost (Cs):  Cs = $8 + $1.50x

We want to find the value of x that makes Cr = Cs

Cr = Cs

$5 + $3x = $8 + $1.50x

$1.50x = $3

x = 2 hours

====

CHECK:

Cr = $5+$3(2) = $11

Cs = $8+$1.50(2) = $11

At 2 hours, both cost the same.

Name one pair of parallel planes. All lines and planes that appear to be parallel are parallel.

Answers

The parallel plane is the plane that has the same in-between distance at all points on the plane so plane ABF is parallel with plane DCG so option (C) is correct.

What is the plane?

The plane is a two dimension(2D) surface that has a surface area.

We can draw lines on a plane and two or more planes can intersect or parallel.

If two planes are parallel then the perpendicular distance between both planes must be the same.

The angle of inclination of two parallel planes with a single reference plane is also the same.

In the given cuboid the plane ABF is parallel with plane DCG.

So, ABF || DCG.

Hence "The parallel plane is the plane that has the same in-between distance at all points on the plane so plane ABF is parallel with plane DCG".

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Question 2(Multiple Choice Worth 1 points)
(03.01 MC)

Simplify nine square root of two minus three square root of seven plus square root of eight minus square root of twenty eight.

eleven square root of two minus five square root of seven
eleven square root of four minus five square root of fourteen
six square root of five
six square root of nine

Answers

Answer:1. eleven square root of two minus five square root of seven.

Step-by-step explanation:

Given-nine square root of two minus three square root of seven plus square root of eight minus square root of twenty eight.

•we can write √8 as 2√2 as 8 =2*2*

•we can write √28 as 2√7 as 28=2*2*

•Now putting these in the given equation we get

•9√2-3√7+2√2-2√7

•11√2-5√7

Solve the rational equation for n

Answers

Answer:

n = 29

Step-by-step explanation:

please give brainliest

Answer: 29

Step-by-step explanation:

The answer will be 29 because if you put it all together and do the equation(-646 = 3(-646 = 3(65 - n) 3 over 2.  N will equal 29.  If you don't understand I recommend looking it up or something.

But yeahhhhhhhhhhhhhh.

I hope it helps?

Which graph represents the solution to the inequality 2(b + 2) > 24?

Answers

Answer:

number line with open point at 10 with arrow pointing left

Step-by-step explanation:

Answer:a

Step-by-step explanation:

ASAP!! 4(x + 4) + 2x = 52

Solve for X and include step by step explanation for branliest.

Answers

Answer:

x = 6

Step-by-step explanation:

4 ( x + 4 ) + 2x = 52

Use distributive property to open parenthesis and combine like terms

4x + 16 + 2x = 52

6x + 16 = 52

6x = 52 - 16

6x = 36

x = 6

HELP MEEEE PLEASEEEE

A pound of peppers costs $0.62. The total cost varies directly with the pounds of peppers purchased. Write an equation that relates the total cost, c, and the number of pounds of peppers purchased, p.

Answers

c=0.62p

If a pound of peppers costs $0.62, then multiply the cost by how many pounds you're getting.

C=0.62p this is because o is the amount of pepper and a pound cost 0.62, and the cost it the total so it equals blank.
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