Degree: 2
Leading coefficient: 1
Constant term: -30
Horizontal/X intercepts: (-6, 0) and (5, 0)
Vertical/Y intercept: (0, -30)
Here's a quick rundown: Distribute to find the standard form quadratic. Because it is quadratic, its degree must be 2. There isn't any number before the first variable, so it can be assumed to be 1. The last term, which doesn't have a variable and therefore the constant, is -30. By reversing the signs of the signs of the numbers in the factors, you can easily find the horizontal intercepts/X-intercepts/zeros/roots which are (-6, 0) and (5, 0). The constant term will in most cases also be the Y-intercept/horizontal intercept. Therefore the Y-intercept is (0, -30) This applies to this equation because there is nothing being multiplied across the entire equation.
f(x)
5 |22
6|44
7|66
8|88
Linear equation gives you rule
The linear equation that represents the given rule is f(x) = 221x + 447.
To find the linear equation, we need to determine the slope and y-intercept. Looking at the given rule, we can observe that the values of f(x) increase by 221 as x increases by 1. This indicates that the slope of the line is 221.
Now, we need to find the y-intercept. From the given rule, we can see that when x is 0, f(x) is 447. Therefore, the y-intercept is 447.
Combining the slope and y-intercept, we can write the linear equation as f(x) = 221x + 447. This equation represents the given rule, where f(x) is determined by multiplying x by 221 and adding 447 to it.
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Apply distributive property to factor out the greatest common factor in 8x - 20.
Answer:
There are 3 common factors of 8 and 20, that are 1, 2, and 4. Therefore, the greatest common factor of 8 and 20 is 4.
Find the highest number which divides 144,384 and 432 without leaving remainder
Answer:
i think its 48
since 144384 divided by 48 would be 3008 and 432 divided by 48 would be 9. I believe thats the highest it can go to.
Complete the point-slope equation of the line through (-1,-10)(−1,−10)left parenthesis, minus, 1, comma, minus, 10, right parenthesis and (5,2)(5,2)left parenthesis, 5, comma, 2, right parenthesis.
Answer:
y + 10 =2( x +1)
or
y -2 + 2( x -5)
These both name the same line.
Step-by-step explanation:
First we need to find the slope. The slope is the change in y over the change in x. In the point (-1,-10)
-1 is the x and -10 is the y.
In the point (5,2)
5 is the x and 2 is the y.
\(\frac{2- -10)}{5 - -1)}\) Subtracting a negative is the same as adding a positive.
\(\frac{2+ 10}{5+1}\) = \(\frac{12}{6}\) = 2
We know know the slope. We will use the form
y - \(y_{1}\) = m (x-\(x_{1}\)) we will plug in the numbers that we know.
If we use point (-1, -10)
y -- -10 = 2(x - -1)
y + 10 = 2( x+1)
If we use the point (5,2)
y -2 = 2(x -5)
Both equations mean the same thing.
M<7=100 find measure of <11
Answer:i think its 115 degres
Step-by-step explanation:
let ta: ℝ2 → ℝ3 be the matrix transformation corresponding to a = 3−1 12 14 . find ta(u) and ta(v), where u = 1 2 and v = 3 −2 .
The value of ta(u) 1 5 9 is and ta(v) is 9 -1 11.
To find the matrix transformation corresponding to a =
| 3 -1 |
| 1 2 |
| 1 4 |
and the transformation of vectors u =
| 1 |
| 2 |
and v =
| 3 |
|-2 |
We can compute ta(u) and ta(v) as follows:
ta(u) = a * u =
| 3 -1 |
| 1 2 |
| 1 4 | *
| 1 |
| 2 | =
| 1 |
| 5 |
| 9 |
So, ta(u) =
| 1 |
| 5 |
| 9 |
Similarly,
ta(v) = a * v =
| 3 -1 |
| 1 2 |
| 1 4 | *
| 3 |
|-2 | =
| 9 -7 |
|-1 2 |
|11 - 5 |
So, ta(v) =
| 9 |
|-1 |
|11 |
Note that the dimensions of ta(u) and ta(v) are 3x1 and 3x1 respectively, since the matrix transformation ta maps vectors in R^2 to vectors in R^3.
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In a cla of 70 tudent there are 10 more girl than boy. What i the ratio of the number of boy to the number of girl?
35 to 35
30 to 37
3 to 4
6 to 8
The required ratio of the number of boy to the number of girl is 3/4.
What is Ratio?A ratio is a method for showing a relationship or look at two quantities of a similar kind. We use proportions to think about things of a similar kind. For instance, we might utilize a proportion to contrast the quantity of young men with the quantity of young ladies in your study hall.
According to question:Let us consider number of boys is x and that of girls is y.
x + y = 70 ------------------------(1)
And
y = x + 10
Put the value of y in eq(1),we get
x + x + 10 = 70
2x = 60
x = 30
So, the number of boys are 30, then girls are 30 + 10 = 40
Now, the ratio of the number of boy to the number of girl is
x/y = 30/40 = 3/4
Thus, ratio is 3/4.
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Find the work done by the force F = e'i + (lnx)j + 3zk, where force is measured in newtons, in moving an object over the curve r(t) = e'i + (In t)j + t?k, 1 st Se, where distance is measured in meters.
The work done by the force F in moving an object over the curve r(t) from t=1 to t=e is approximately 22.1 Nm.
To find the work done by the force F in moving an object over the curve r(t), we need to evaluate the line integral of the dot product of the force and the curve over the given interval. The line integral can be expressed as:
W = ∫ F · dr
where dr is the differential vector of the curve r(t). In this case, we have:
r(t) = e'i + (ln t)j + tk
Taking the differential of r(t), we have:
dr = (e'dt)i + (1/t)j + dk
Next, we need to evaluate the dot product of F and dr:
F · dr = (e'i + (ln x)j + 3zk) · ((e'dt)i + (1/t)j + dk)
= e'dt + (ln x)/t + 3t
Now, we can integrate this dot product over the given interval [1, e] to find the work done by the force F:
W = ∫ F · dr = ∫1e (e'dt + (ln x)/t + 3t)dt
= [et + (ln t)^2/2 + (3/2)t^2]1e
Plugging in the limits of integration and simplifying, we get:
W = e^2 + (1/2)(ln e)^2 - 1/2 + (3/2)e^2 - (3/2)
W = 22.1 Nm
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Wright in point-slope form, slope-intercept form and in standard form an equation that passes through (-1, 2) with slope 4
Point-slope form
\(y-2=4(x+1)\)
Slope-intercept form
\(y-2=4x+4 \\ \\ y=4x+6\)
Standard form
\(4x-y+6=0\)
Answer:
\(\textsf{Point-slope form}: \quad \sf y-2=4(x+1)\)
\(\textsf{Slope-intercept form}: \quad \sf y=4x+6\)
\(\textsf{Standard form}: \quad \sf 4x-y=-6\)
Step-by-step explanation:
Given information:
Slope = 4Point on line = (-1, 2)Point-slope form of linear equation:
\(\sf y-y_1=m(x-x_1)\)
(where m is the slope and (x₁, y₁) is a point on the line)
Substitute the given slope and point into the formula:
\(\implies \sf y-2=4(x-(-1))\)
\(\implies \sf y-2=4(x+1)\)
Slope-intercept form of a linear equation:
\(\sf y=mx+b\)
(where m is the slope and b is the y-intercept)
Substitute the given slope and point into the formula and solve for b:
\(\implies \sf 2=4(-1)+b\)
\(\implies \sf b=6\)
Therefore:
\(\sf y=4x+6\)
Standard form of a linear equation:
\(\sf Ax+By=C\)
(where A, B and C are constants and A must be positive)
Rearrange the found slope-intercept form of the equation into standard form:
\(\implies \sf y=4x+6\)
\(\implies \sf 4x-y+6=0\)
\(\implies \sf 4x-y=-6\)
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Morgan has a storage box with a volume of 216 cubic inches. If the area of the base measures 27 inches squared, what is the height of the storage box
The height of the storage box is,
Height = 8 inches
We have to given that,
Morgan has a storage box with a volume of 216 cubic inches.
And, the area of the base measures 27 inches squared.
Since, We know that,
Volume of cuboid = Base area x height
Substitute all the values, we get;
216 = 27 × Height
Height = 216 / 27
Height = 8 inches
Therefore, the height of the storage box is,
Height = 8 inches
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Geometry In Exercises 24-26, use the following information.
The volume of the box shown at the right is given by V = x³ + 5x² + 4x.
24. Write an equation that indicates that the volume of the box is 84 in.³.
25. Use the rational zéro theorem to list all possible rational zeros of the
equation in Exercise 24.
26. Find the dimensions of the box.
(25) The equation of volume is x³+5x²+4x-84 = 0.
(26) Rational zeros = ±{1, 2, 3, 4, 6, 7, 14, 21, 42, 84}
(27) The dimension of the box is 3, -4.-3.5i and -4+3.5i.
What is an equation?An equation is a combination of different variables, in which two mathematical expressions are equal to each other.
Give that,
The equation for the volume of box,
V= x³+5x²+4x.
(24)
The volume of the box is 84,
⇒x³+5x²+4x = 84
⇒x³+5x²+4x-84 = 0
The equation of volume is x³+5x²+4x-84 = 0.
(25)
To find rational zeros,
Coefficient of constant term = -84
Factor of constant term =± {1, 2, 3, 4, 6, 7, 14, 21, 42, 84}
Coefficient of leading term = 1
Factor of leading term =± 1
Rational zeros = ±{1, 2, 3, 4, 6, 7, 14, 21, 42, 84}
(26)
To find the dimension of the box,
Find factor of equation x³+5x²+4x-84 = 0
The factors are 3, -4.-3.5i and -4+3.5i.
The dimension of the box is 3, -4.-3.5i and -4+3.5i.
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Out of the four benefits of direct deposit (safety, convenience, quick access to money, increased savings), which is the MOST compelling? Why?
Answer:
Step-by-step explanation:
The outside temperature in town is -20 degrees Fahrenheit. What change in temperature would bring outside to 0 degrees
To bring the outside temperature from -20 degrees Fahrenheit to 0 degrees Fahrenheit, a change of +20 degrees Fahrenheit is needed.
The temperature scale used in the US is the Fahrenheit scale. In this scale, the freezing point of water is 32 degrees Fahrenheit, while the boiling point is 212 degrees Fahrenheit.
A change of 1 degree Fahrenheit is equivalent to a change of 5/9 degree Celsius. Therefore, to bring the temperature from -20 degrees Fahrenheit to 0 degrees Fahrenheit, we need to add 20 degrees Fahrenheit.
This means the temperature would have to increase by 20 degrees Fahrenheit to reach 0 degrees Fahrenheit.
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I am a block.
I have 3 faces that are
rectangles.
I have 2 faces that are
triangles.
Answer: Triangular Prism I think
Step-by-step explanation:
For the lunch special at a high school cafeteria, students can get either salad or french fries as a side order. The following table shows the number of each side order for the lunch specials purchased on one day, classified by the grade of the student
Grade 9
Grade 10
Grade 11
Grade 12
Total
Salad
37
34
21
28
120
83
71
57
37
248
French fries
Total
120
105
78
65
368
From those who purchased the lunch special that day, one student will be selected at random. What is the probability that the student selected will be in grade 10 given that the student ordered
french fries as the side order?
A
71/368
B
105/368
C
71/245
D
245/308
Answer:
C 71/248
Step-by-step explanation:
College Board
The probability that the selected student will be be in grade 10 given that the student ordered French fries is 71/245
P(French fries n grade 10) = 71 Total who ordered French fries = 248The conditional probability can be defines thus :
Number in grade 10 who ordered French fries = 71Total number who ordered French fries = 245Hence,
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65/p • 3 when p = 5
Answer:
39
Step-by-step explanation:
65/5=13
13x3=39
Answer:
39
Step-by-step explanation:
Note that p = 5. Plug in 5 for p in the expression. Remember to follow the
left-> right rule:
65/p • 3
65/5 • 3
(65/5) • 3
(13) • 3 = 39
39 is your answer.
~
CAN SOMEONE HELP ME PLEASE
(x+2)(x+3)(x+4) can be written in the form \(x^{3}\) + a\(x^{2}\) + bx c where a, b and c are positive integers.
Work out the values of a, b and c.
a = (Answer here) (1)
b = (Answer here) (1)
c = (Answer here) (1)
Answer:
a = 9 ; b = 26 ; c = 24
Step-by-step explanation:
(x^2+3x+2x+6)(x+4)
(x^2+5x+6)(x+4)
x^3+5x^2+6x+4x^2+20x+24
x^3+9x^2+26x+24
if the toss of a coin comes down heads, you win a dollar. if it comes down tails, you lose fifty cents. how much would you expect to gain after 20 tosses?
We could expect $30.00 to gain after 20 tosses.
What is the probability?Probability is defined as the ratio of the number of favourable outcomes to the total number of outcomes in other words the probability is the number that shows the happening of the event.
Probability = Number of favourable outcomes / Number of sample
The probability of all the events occurring need to be 1.
if the toss of a coin comes down heads, you win a dollar. if it comes down tails, you lose fifty cents.
We need to find out How much would you expect to gain after 20 tosses (in $ dollars).
Because if you think about it, you will see that about half of them are going to be heads and the other half are going to be tails.
Therefore, We could expect $30.00 to gain after 20 tosses.
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Given (x – 7)2 = 36, select the values of x. x = 13 x = 1 x = –29 x = 42
After solving the given expression the values for x will be equal to x = 1 and x = 13.
What is an expression?Mathematical actions are called expressions if they have at least two terms that are related by an operator and include either numbers, variables, or both. Adding, subtraction, multiplying, and division are all reflection coefficient operations. A mathematical operation such as reduction, addition, multiplication, or division is used to integrate terms into an expression.
As per the given information in the question,
The given equation is,
(x - 7)² = 36
x - 7 = √36
x = ±6
Then the values for x will be,
x1 = 6 + 7 = 17
x2 = -6 + 7 = -1
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Prove that in parallelogram ABCD the diagonal AC divides the parallelogram into two congruent triangles
Answer:
A parallelogram is a quadrilateral that has both pairs of opposite sides parallel. Theorem 15.5: A diagonal of a parallelogram separates it into two congruent triangles. Example 2: Write a formal proof of Theorem 15.5.
Expand and simplify (x + 3)(x-4)
Answer:
2x -1
Step-by-step explanation:
x*x =2x 3-4 =-1
2x+-4
Which of the following best described the line that is passing through the ordered pairs given below? Select all that apply
(-4, 6) & (-4, 1)
The slope of the line is undefined.
What is Equation of line?The equation of line in point-slope form passing through the points
(x₁ , y₁) and (x₂, y₂) with slope m is defined as;
⇒ y - y₁ = m (x - x₁)
Where, m = (y₂ - y₁) / (x₂ - x₁)
Given that;
Two points on the line are (-4, 6) and (-4, 1)
Now,
Since, The equation of line passes through the points (-4, 6) and (-4, 1)
So, We need to find the slope of the line.
Hence, Slope of the line is,
m = (y₂ - y₁) / (x₂ - x₁)
m = (1 - 6) / (-4 - (-3))
m = - 5 / 0
m = ∞
Thus, The slope of the line is undefined.
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Please help school is ending soon!
Two days later, Kelly surveyed the same 13 classmates and found that none of them had been given math homework since she last surveyed them. By how much does the mean of Kelly’s second data set change in comparison with the mean of the data set in her original survey? Explain how to determine the change in the means without calculating the mean of either data set.
Since none of the 13 classmates had been given math homework between the original survey and Kelly's second survey, the sum of the values in the second data set is the same as the sum of the values in the original data set. Therefore, the change in the means can be determined without calculating the mean of either data set by considering the number of data points in each set.
Since both data sets have the same number of data points, the change in the means will be zero. This is because the mean is calculated by dividing the sum of the values by the number of data points, and since the sum of the values is the same in both data sets, the means will also be the same.
In other words, if the mean of the first data set is x, then the sum of the values in the first data set is 13x (since there are 13 classmates), and the sum of the values in the second data set is also 13x (since none of the values have changed). Therefore, the mean of the second data set will also be x, and the change in the means will be zero.
Write the equations after translating the graph of y = |x|:
one unit up,
Answer:
y = | x | + 1
Step-by-step explanation:
Given y then y + c represents a vertical translation of y
• If c > 0 then a shift up of c units
• If c < 0 then a shift down of c units
Here the shift is 1 unit up, thus
y = | x | + 1
What is the area, in square feet, of the trapezoid below?
8.1 ft
5 ft
5 ft
Answer: 32.75
Step-by-step explanation:
So you can break this trapezoid into two parts: a square and a triangle. the square has an area of 25 square feet. For the triangle, we can just use 3.1 (the base) * 5 (the height)/2 because the triangle is just a half of a rectangle, so we can just treat it as a normal rectangle, but them divide by two at the end. so 3.1*5/2 = 7.75 square feet, and 25 + 7.75 square feet = 32.75 square feet
What is the value of the expression 3 2 (63+9 2 )
Answer:
PLS SOMEONE ANSWER MY QUESTION
Step-by-step explanation:
fill in the blank. anthony placed an advertisement for a new assistant on november 1. he hired marquis on december 1. his _______ was 30 days.
Anthony's "hiring process" or "recruitment period" was 30 days.
The blank can be filled with "hiring process" or "recruitment period" to indicate the duration between placing the advertisement for a new assistant on November 1 and hiring Marquis on December 1. This period represents the time it took Anthony to evaluate applicants, conduct interviews, and make the decision to hire Marquis.
The hiring process typically involves several steps, such as advertising the job opening, reviewing applications, conducting interviews, and finalizing the selection. The duration of this process can vary depending on various factors, including the number of applicants, the complexity of the position, and the efficiency of the hiring process.
In this case, the hiring process took 30 days, indicating the length of time it took for Anthony to complete the necessary steps and choose Marquis as the new assistant. This duration provides insight into the timeframe Anthony needed to assess candidates and make a hiring decision.
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4x – 1 = 7x – 16
Solve the problem
(Show your work)
Answer:
x = 5
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightEquality Properties
Step-by-step explanation:
Step 1: Define equation
4x - 1 = 7x - 16
Step 2: Solve for x
Subtract 4x on both sides: -1 = 3x - 16Add 16 to both sides: 15 = 3xDivide 3 on both sides: 5 = xRewrite: x = 5Step 3: Check
Plug in x into the original equation to verify it's a solution.
Substitute in x: 4(5) - 1 = 7(5) - 16Multiply: 20 - 1 = 35 - 16Subtract: 19 = 19Here we see that 19 does indeed equal 19.
∴ x = 5 is a solution to the equation.
Answer:
4x−1=7x−16
Step 1: Subtract 7x from both sides.
4x−1−7x=7x−16−7x
−3x−1=−16
Step 2: Add 1 to both sides.
−3x−1+1=−16+1
−3x=−15
Step 3: Divide both sides by -3.
−3x
−3
=
−15
−3
x=5
Step-by-step explanation:
order from greatest to least 55% of 180 30% of 260 12% of 700
Answer: 55% of 180, 12% of 700, and 30% of 260.
Step-by-step explanation:
55% of 180 = 99…
30% of 260 = 78…
and 12% 700 = 84…
Answer:
55% of 180 > 12% of 700 > 30% of 260
Step-by-step explanation:
55% of 180 = 99
30% of 260 = 78
12% of 700 = 84