As x approach to +∞ function y approaches -∞
And as x approach to -∞ function y approaches -∞
What is coordinate plane ?A coordinate plane is a two-dimensional surface created when two number lines are combined. When a horizontal line crosses the origin, which is the location where the X and Y axes meet, it is generated. A coordinate grid's integers are used to locate points. A coordinate plane can be used to graph points, lines, and a variety of other objects. It functions as a map and offers straightforward directions between two sites.
F(x)=[tex]x^{2} +2x^{2} -4x^{2}[/tex]
F(x)=-[tex]x^{2}[/tex]
if x =0 then y = 0
if x = 1 then y = -1
End behavior
As x approach to +∞ function y approaches -∞
And as x approach to -∞ function y approaches -∞
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6 is added to the product of 7 and a number
The value of the expression will be equal to 55.
What is an expression?The mathematical expression combines numerical variables and operations denoted by addition, subtraction, multiplication, and division signs.
Mathematical symbols can be used to represent numbers (constants), variables, operations, functions, brackets, punctuation, and grouping. They can also denote the logical syntax's operation order and other properties.
Given that 6 is added to the product of 7 and a number 7. The expression will be written as,
E = 7 x 7 + 6
E = 49 + 6
E = 55
Therefore, the value of the expression will be equal to 55.
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What would I set the scales to and where is the roots ,vertex and two other points
SOLUTION
Write out the equation
[tex]y=x^2+4x-12[/tex]The root of the equation is
[tex]\begin{gathered} x^2+4x-12=0 \\ x^2+6x-2x-12=0 \\ x(x+6)-2(x+6)=0 \\ (x+6)(x-2)=0 \end{gathered}[/tex]Equate the factors to zero
[tex]\begin{gathered} x+6=0,x-2=0 \\ x=-6,x=2 \end{gathered}[/tex]Hence, the root of the equation is
(-6,0) and (2,0)
The vertex of the equation will be obtained using
[tex]\begin{gathered} u\sin g\text{ the genera form of a quadractic equation } \\ ax^2+bx+c=0,\text{ tye vertex is given by } \\ \: x_v=-\frac{b}{2a} \\ \text{where } \\ a=1,b=4,c=-12\text{ from the given equation } \end{gathered}[/tex]Then
[tex]\begin{gathered} x=-\frac{4}{2\times1}=-\frac{4}{2}=-2 \\ \text{Then} \\ y=x^2+4x-12,\text{ where x=-2} \\ y=^{}(-2)^2+4(-2)-12=4-8-12=-16 \\ \text{Vertex (-2,-16)} \end{gathered}[/tex]Then
[tex]\begin{gathered} \text{The other two point could be } \\ x=0,y=0^2+4(0)-12=0+0-12=-12\text{ } \\ (0,-12) \\ x=2,y=2^2+4(2)-12=4+8-12=0 \\ (2,0) \end{gathered}[/tex]Plotting this point using the scale 2unit on both axes, the image of the graph will be
Runners at a cross-country meet run 3 miles north and then 5 miles west from the starting line. Determine the shortest straight path they must run to get back to the starting line.
square root of 8 miles
4 miles
square root of 34 miles
8 miles
The shortest straight path they must run back to the starting line is the square root of 34 miles.
What is the shortest straight path?The distance run by the runners forms a right triangle. A right triangle is a polygon that has three sides. The length, base and the hypotenuse. The hypotenuse is the longest side of the right triangle.
The miles run north is the length, the miles run west is the base and the shortest straight path to the starting line is the hypotenuse.
In order to determine the hypotenuse, the Pythagoras theorem would be used.
The Pythagoras theorem: a² + b² = c²
where a = length
b = base
c = hypotenuse
3² + 5²
= 9 + 25
= 34
c = √34
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what is 13 = g - (-7) ?
The table represents a quadratic function. Write an equation of the function in standard form.
-9-7-5-3
0 8 8
X
y
y=0
Previous
1 2
0
30
4
32
5
6
7
10
Next
Answer:
Step-by-step explanation:
Question:The diameter of the handle on a broomstick is 3.75 centimeters. What is the length in centimeters of the diameter of 12 of the broomstick handles?
The diameter is 3.75 cm
4. E is between D and F. If DE = 3x + 2, EF = 18, and DF = 5x, find the value of x.
The value of x is 10.
What are expressions in math?A mathematical expression consists of a statement, at least one arithmetic operation, and at least two integers or variables. With this mathematical operation, you can multiply, divide, add, or subtract.
Given:
E is between D and F.
DE = 3x + 2
EF = 18
DF = 5x
We need to determine the value of x which is a variable, whose value is unknown to us and can take any value.
So, DF = DE + EF
Substituting the given values, we get
5x = 3x + 2 + 18
5x - 3x = 20
2x = 20
x = 20/2
x = 10
Therefore, the value of x is 10.
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18% of students use books
164 students use tablet
How many students are in sixth grade?
Total students in sixth grade 200students
What is Percentage?
A percentage in mathematics is a figure or ratio that is stated as a fraction of 100. The abbreviations "pct.", "pct.", and occasionally "pc" are also used to indicate it, while the percent symbol, "%," is most frequently employed. A % has no dimensions and no associated unit of measurement.
Given,
No. of students using Tablet = 164
No. of students using book = 18%
The students in sixth grade either use book or tablet
When 164 student use tablet then remaining use tablet, that is 18%
Then, the remaining percent would be the students using tablet:
100% - 18% = 82%
converting 82% into decimal we get,
82 /100
i.e, 0.82
Number of students in sixth grade = 164/0.82
= 200 students
Hence, 200 students are in sixth grade
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An artist uses different types of paper to create her masterpieces. She has shiny metallic paper and pink glittery paper. The shiny paper comes in lengths of 24 inches and the glitter paper in lengths of 36 inches. She wants to make sure she can cut her paper into equal sizes but doesn’t want them to be too small. What’s the largest size she can cut them into without any waste?
An artist can cut the metallic paper and pink glittery paper of the largest size of 12 inches without any waste.
What is defined as the term highest common factor?The greatest common factor is the largest number that is a factor of two numbers or more (GCF). The largest number (factor) divides them, yielding a Natural number. Once all of the number's factors have been identified, there are a few that are shared by both.The length of the metallic paper is 24 inches.
The length of the pink glittery paper is 36 inches.
To find the largest size, find the HCF of both number.
First find the factors using prime factorisation;
24 = 2×2×2×3
36 = 2×2×3×3
Find the common term,
HCF (24, 36) = 2×2×3
HCF (24, 36) = 12
Thus, an artist can cut the metallic paper and pink glittery paper of the largest size of 12 inches without any waste.
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help meeee
11 Answer:
A box of rice is 19 centimeters long, 12 centimeters wide, and 3.5
centimeters deep. The volume of the box is the product of its length,
width, and height. What is the volume of the box?
20 Answer:
Write the verbal sentence as an equation or an inequality:
The sum of three and x is ten.
Answer:
798
Step-by-step explanation:
11. v = l x w x h
19 x 12 x 3.5 = 798
20. 3+x=10
Find the value of x
x=
112°
(3x + 11)°
I
2. Which is the more economical purchase: a 20-ounce box of cereal for $4.23 or an 18-ounce box for
$3.75? Justify your answer
Which ordered pair, when graphed, would be on the same line as (1, -2) and (-2, 4)?
OA) (-2, 6)
OB) (3, 6)
OC) (3,-6)
OD) (1, 2)
Ordered pair, when graphed, would be on the same line as (1, -2) and
(-2, 4) are (3,-6).
As given in the question,
Equation of the line passes through the point (1.-2) and (-2,4) when graphed is :
(y +2)/(x-1) = (4+2)/(-2-1)
⇒y +2 = -2(x -1)
⇒y =-2x
Ordered pair satisfied the equation of the line passes through the point (1.-2) and (-2,4) when graphed is :
A. (-2,6)
x=-2 ⇒y=4
Not satisfied.
B. (3,6)
x=3⇒y=-6
Not satisfied.
C.(3,-6)
x=3⇒y=-6
Satisfied.
D. (1,2)
x=1⇒y=-2
Not satisfied.
Therefore, ordered pair, when graphed, would be on the same line as (1, -2) and (-2, 4) are (3,-6).
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Can you solve this please.
Select all the correct answers.
Which functions have a range of {ye R |-∞0 < y < ∞0}?
F(x)=x^2+7x-9
F(x)=-4x+11
F(x)=2/3X-8
F(x)=2^x+3
F(x)=-(x+1)^2-4
For all the given functions, the range lies between {y ∈ R |-∞ < y < ∞} as non of the function has imaginary number.
What is meant by the imaginary number?When imaginary numbers are squared, they produce a negative number. They can also be expressed as the square root of a negative number. An imaginary number is created by multiplying a non-zero real number by the imaginary unit I (also recognized as "iota"), where √(-1) = i (or) i² = -1. These are a type of complex number, which is the sum of a real number as well as an imaginary number. A complex number has the formula a + ib, where 'a' and 'b' are both real numbers and bi is just an imaginary number.For all the given functions;
F(x)=x^2+7x-9F(x)=-4x+11F(x)=2/3X-8F(x)=2^x+3F(x)=-(x+1)^2-4For any value of x ∈ R (real number), the value of y of f(x) will lie in the given range.
Thus, all the given function have the range of {y ∈ R |-∞ < y < ∞}.
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Solve |4x - 2| + 1 > 7
The inequality is |4x-2|+1>7. By solving inequality we got x>-1 and x>2.
Given that,
The inequality is |4x-2|+1>7
We have to solve the inequality.
|4x-2|+1>7
Take +1 and right hand side we get -1
|4x-2|>7-1
Subtracting 7-1
|4x-2|>6
Now, it is modulus so we get + or -
1st we take +
4x-2>6
Take -2 and right hand side we get +2
4x>6+2
Adding 6+2
4x>8
Taking 4 to right hand side we get in the division.
x>8/4
x>2
Now, take -
-(4x-2)>6
Multiplying -1 on both sides
4x-2>-6
Take -2 and right hand side we get +2
4x>-6+2
Subtracting -6 and 2
4x>-4
Taking 4 to right hand side we get in the division.
x>-4/4
x>-1
Therefore, by solving inequality we got x>-1 and x>2.
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In Mr. Stowe's math class, Katherine earned an 88 in the 1st quarter and a 94 in the end quarter. What is the percentage of increase?
The percentage of increase in her score is 6.82%
What is the percentage of increase?Here we will define her first score, 88, as the 100%.
So we can write the relation:
88 = 100%.
Her next score is 94, this will be a percentage X, then we can write:
94 = X
Taking the quotient between the two equations:
94/88 = X/100%
Solving this for X we get:
(94/88)*100% = X = 106.82%
The difference between the percentages gives the increase:
106.82% - 100% = 6.82%
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Simplify the fraction
315
405
as much as possible.
7
9
35
45
3
4
Answer:
7/9
Hope this helps!
Have a good day :)
Answer:
7/9
Step-by-step explanation:
I took the quiz
Given M(-2, 1) is the midpoint on AB and point A has coordinates (-8, -3), find:
Point B
[tex]~~~~~~~~~~~~\textit{middle point of 2 points } \\\\ A(\stackrel{x_1}{-8}~,~\stackrel{y_1}{-3})\qquad B(\stackrel{x_2}{x}~,~\stackrel{y_2}{y}) \qquad \left(\cfrac{ x_2 + x_1}{2}~~~ ,~~~ \cfrac{ y_2 + y_1}{2} \right) \\\\\\ \left(\cfrac{ x -8}{2}~~~ ,~~~ \cfrac{ y -3}{2} \right) ~~ = ~~\stackrel{\textit{\LARGE M}}{(-2~~,~~1)} \\\\[-0.35em] ~\dotfill\\\\ \cfrac{ x -8}{2}=-2\implies x-8=-4\implies \boxed{x=4} \\\\[-0.35em] ~\dotfill\\\\ \cfrac{ y -3}{2}=1\implies y-3=2\implies \boxed{y=5}[/tex]
( Which table of values will generate this graph? 5 3 2 1 2 3 4 5 TT 1919 х 4 1 2
To identify the data corresponding to the points in the plane:
In x you count the units of distance from 0 to the point: from left (negative x) or right (positive x).
In y you count the units of distance from 0 to the point: down (negative y) or upwards (positive y)
Then, in coordinates (x,y) you have the next:
Corresponding to the table:
Which number line shows the solution to the inequality 5 ≤ 8-3x ≤ 14?
The number line 5 ≤ 8-3x shows the solution to the inequality as x cannot be more than 1.
What is inequality?A inequality compares two values and indicates whether one is smaller, larger, or simply not equal to the other.
a ≠ b is the information that a and b are not equal.
If a > b, a is greater than b. (these two are defined as strict inequality)
a ≤ b proves that a is less than or equal to b
a ≥ b proves that a is greater than or equal to b
The number line 5 ≤ 8-3x shows the solution to the inequality as x cannot be more than 1.
If x is more than 1, lets say 2
Then the inequality as follows
5 ≤ 8-3(2) ≤ 14
5 ≤ 8-6 ≤ 14
5 ≤ 2 ≤ 14 this statement becomes false
Therefore x, must be lower than 1
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Given m || n, find the value of x and y.
45°
२०
yº
m
n
In the figure below, circle O has a central angle of 120°.
What is the area of the shaded sector of circle O in terms of r, the radius? Leave your answer in terms of pi.
The area of the shaded section, in terms of the radius R, is:
A = 0.67*R^2
How to get the area of the shaded part?
On the image we can see a circle where a section with an angle of 120° is not shaded and the rest is shaded.
Remember that the area of a circle of radius R is:
A = pi*R^2
Where pi = 3.14
Particularly, for a section defined by an angle x the area is:
A = (x/360°)*pi*R^2
In this case we have:
x = 360° - 120° = 240°
Then the area, in terms of the radius, is:
A = (240°/360°)*3.14*R^2 = 0.67*R^2
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QUICK 100 Points, What is the standard portion cost for a 1-ounce portion of parmesan cheese purchased a pound for $14.60 per pound? (There are 16 ounces in a pound.)
$0.53
$0.68
$0.91
$1.02
Answer:
$0.91
Step-by-step explanation:
Given:
1 pound = 16 ounces$14.60 = 1 lb Parmesan cheeseIf one pound of Parmesan cheese costs $14.60, to find the cost of a one-ounce portion, simply divide the cost of one pound by 16:
[tex]\implies \textsf{1 ounce portion}=\dfrac{\$14.60}{16}=\$0.9125=\$0.91\;\sf (nearest \; cent)[/tex]
Therefore, the standard portion cost for a one-ounce portion of Parmesan cheese is $0.91 (nearest cent).
Solve for Y3x + 2y = 10a. y = 3/2 x + 5b. y = 2/3 x + 5c. y = -3/2 x+5d. y = -2/3 x + 5
3x + 2y = 10
3x is adding on the left, then it will subtract on the right:
2y = 10 - 3x
or
2y = -3x + 10
2 is multiplying on the left, then it will divide on the right:
[tex]\begin{gathered} y=\frac{-3x+10}{2} \\ y=-\frac{3x}{2}+\frac{10}{2}\text{ Distributing} \\ y=-\frac{3}{2}x+5 \end{gathered}[/tex]The correct option is option C
Elzabeth brought a box of donuts to share There are two dozen (24) donuts in the box, all identical in size shape and color Two are jelly, 10 are lemon filled, and 12 are custard-filled. You randomly select one donut eat it and select another donut. Find the probability
of selecting a lemon-filled donut followed by a jelly-filled donut.
The probability of selecting a lemon-filled donut followed by a jelly-filled donut is [tex]\frac{5}{138}[/tex]
What is probability ?Probability is the potential for something to happen. In this area of mathematics, random events are studied. The range from 0 to 1 is used to express the value. To forecast the possibility of events, probability has been included into mathematics. The degree of likelihood that something will happen is basically how probability is defined. This fundamental theory of probability, which also applies to the probability distribution, can be used to estimate the likelihood of results in a random experiment.
The distribution of donuts is given as:
jelly = 2
lemon = 10
custard = 12
Total = 24
Eating a chosen donut without replacing it is an example of a selection.
So, the probability of selecting one lemon-filled donuts and one jelly filled donut is:
P = [tex]\frac{lemon}{Total}[/tex]×[tex]\frac{jelly}{total - 1}[/tex]
Substitute known values
P = [tex]\frac{10}{24}[/tex]×[tex]\frac{2}{23}[/tex]
Simplify
P = [tex]\frac{5}{138}[/tex]
Hence, the probability is [tex]\frac{5}{138}[/tex]
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find the highest common factor (HCF) of 70 and 385.
The highest common factor of the given number is 35.
What is the highest common factor?The biggest positive number that divides each integer in a set of two or more is known as the greatest common divisor in mathematics. The GCD of two integers x, and y is the greatest common divisor of x and y. A group of numbers' largest factor that they all share is known as the group's greatest common factor (GCF). Components 2 and 4 are shared by the numbers 12, 20, and 24, for instance. We claim the GCF of 12, 20, and 24 equals 4 since 4 is the largest. The greatest integer that may divide two or more numbers is known as the highest common factor (HCF), sometimes known as the GCF. The definition of highest is the highest or largest number. Any two or more numbers that share a common meaning.
Factors of 70
= 7 ,2 ,5 , 1 , 10 , 35 , 14
Factors of 385
= 1 , 5 , 7 , 11 , 35 , 55
HCF
= 35
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. Mandy and 6 of her teammates each sold an equal number of
shirts to raise money for their tennis team. If a total of 56 shirts
were sold, how many shirts did each person sell? Explain.
Answer:
8
Step-by-step explanation:
56 shirts were sold, and including Mandy, 7 people sold them.
7 * x = 56
(7x)/7=56/7 (canceling out the 7 to get x alone)
x=8
So basically just 56 divided by 7
Two cars leave an intersection. One car travels north; the other east.
When the car traveling north had gone 12 mi, the distance between
the cars was 4 mi more than the distance traveled by the car
heading east. How far had the east bound car traveled?
The distance travelled by the east bound car is 8 mi.
What is defined as the distance?Distance is defined as an object's total movement without regard for direction. Distance can be defined as how much floor an object has covered regardless of its starting as well as ending point.Distance and displacement have been two quantities that appear to mean the same thing but have very different definitions and meanings. Distance is defined as "how much earth an object has contained during its motion," whereas displacement is defined as how far of place an object is."The distance travelled by the north car is 12 mi.
Let the distance covered by south car is x.
The distance travelled by the north car is 4 mi more than the distance traveled by the car heading east.
Thus,
x + 4 = 12
x = 12 - 4
x = 8
Thus, the distance travelled by the east bound car is 8 mi.
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Government agencies keep data about the income distribution of the population. The Moore family and Kelly family live in a county with 11,000 families.
Moore family's income is at the 24th percentile. The Kelly family's income is at the 77th percentile.
(If necessary, consult a list of formulas.)
(a) Which of the following must be true about the Moore family's and the Kelly
family's incomes?
The Kelly family earns more than the Moore family.
Both the Moore family and the Kelly family earn more than the median
income.
O The Kelly family earns $53,000 more than the Moore family.
The Moore family and the Kelly family both have incomes in the bottom half
of incomes in their county.
(b) Which of the following must be true about the Moore family's income?
O The Moore family earns more than about 76% of families in their county.
About 76% of the families in their county earn more than the Moore family.
O The Moore family earns about 24% of the highest income in their county.
The Moore family earns about 76% of the highest income in their county.
5
(a) (c) The Kelly family earns more than the Moore family.
(b) (a) The Kelly family earns more than the Moore family.
What is Percentile ?Each of the 100 equal groups into which a population can be divided according to the distribution of values of a particular variable is called percentile.
Percentile is computed using the following formula,
P = n/N X 100
Where, n =ordinal rank of a given value
N = number of values in the data set,
P = Percentile
In (a) part , Kelly family's percentile is 77th percentile and Moore family's percentile is 24th percentile.
therefore option (c) i.e. The Kelly family earns more than the Moore family is correct .
In (b) part , Moore family's income is less than Kelly's family income.
therefore option (a) i.e. The Kelly family earns more than the Moore family is correct.
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