Graphing on a Number Line
18. Describe how to graph -6 and 5 on a number line.
Count 6 point from zero to the left side from zero for negative (-6) and for 5 count 5 points right from the zero on the number line.
What is number line?A number line in mathematics is a horizontal straight line with numbers spaced equally apart along that line. Some will have a defined beginning and end. We refer to these as closed number lines. Number lines may also be left empty or blank. A number ladder is almost a vertical number line.
Number lines are frequently used in elementary and middle school to help students develop skills like counting, adding, and subtracting numbers. They are typically introduced in kindergarten.
Additionally, it is very easy to read number lines. The values provided enable kids to compare and visualise the relationships between the numbers shown on the line, despite the fact that it isn't a ruler and the space between the numbers isn't fixed. In turn, this promotes the growth of number sense.
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Do a majority of the seniors prefer the prom at the high school ar at a hall? Decide if this is census or sample. Justify your answer.
A)Sample. There are too many seniors at a high school.
B)Census. There are too many seniors at a high school.
C)Sample. It's pretty easy to survey all the students at a high school.
D)Census. It's pretty easy to survey all the students at a high school.
The true statement is D)Census. It's pretty easy to survey all the students at a high school.
What are Census and Sampling:Census:All units or participants in the target population under the survey are statistically compiled as part of the census method's process.
Population in this context refers to the total collection of observations associated with a specific study.
For instance, if university students are asked for input on the teaching staff, the latter group will be considered the study's population.
SamplingThe targeted population is used to choose the various sample entities. With this approach, a predetermined number of observations that come from a bigger pool of populations are statistically analyzed.
Different types of sample methodology can be used, including basic random sampling, systematic sampling, cluster sampling, stratified sampling, and more.
By the above observations, we can conclude that This given situation is a Census as we can survey it among a collection of people that is the batch of senior students and it is easy to survey as there will be a few members of seniors in a school.
Therefore,
The true statement is D)Census. It's pretty easy to survey all the students at a high school.
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What is the rule for ordered pairs?.
An ordered pair contains one point's coordinates. The name of a point in an ordered pair is (x, y).
The first number stands for the x-coordinate, and the second for the y-coordinate. To graph a point, a dot must be placed at the ordered pair's coordinates. The name of a point in an ordered pair is (x, y). The first number stands for the x-coordinate, and the second for the y-coordinate. To graph a point, a dot must be placed at the ordered pair's coordinates.
A set of ordered pairs is any pair of components that are wrapped in brackets and exist in a specific sequence. If there are two components, "a" and "b," the two distinct pairings are "(a, b)" (b, a). A and B are referred to as the first and second elements, respectively, in an ordered pair (a, b). The relationship between the input or domain and the output or range is described by the function rule. If and only if there is only one value in the range for each domain value, a relation is a function.
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What is a negative exponential function called?.
Answer:
Step-by-step explanation:
Y = e−x
Answer: A negative exponential function or y = e−x, is otherwise known as exponential decay
Step-by-step explanation: I hope this helps!
Mr. Blair and Ms. Stevenson are teaching their classes how to write in cursive. Mr. Blair has already taught his class 4 letters. The students in Ms. Stevenson's class, who started the unit later, currently know how to write 2 letters. Mr. Blair plans to teach his class 1 new letter per week, and Ms. Stevenson intends to cover 2. new letters per week. Eventually, the students in both classes will know how to write the same number of letters. How long will that take?
Answer:
2 weeks
Step-by-step explanation:
The next week Mr Blair’s class will have written 5 letters because his class wrote one more letter, while Ms Stevenson’s class will have written 4 letters because her class wrote 2 more letters. This next week Mr Blair’s class will write another letter leaving them at 6 letters, and Ms Stevenson’s class will write 2 more letters leaving them at 6 letters also. So all in all, in 2 weeks, the two classes will be at equal amounts and caught up to each other.
Point M is online to LN given LN equals 10 and LM equals 8 determine the length of mn
Answer:
2 ...
Step-by-step explanation:
since LM = 8
and LN = 10
therefore MN = LN - LM .
MN = 10 - 8 .
MN = 2
MARK ME AS BRAINLIEST ...How to proof quadrilaterals? in geometry
Different quadrilaterals have different properties to get proven.
what are quadrilaterals?
A quadrilateral is a polygon with four sides, four vertices, and four angles.
It is formed by joining four non-collinear points. The sum of the interior angles of quadrilaterals is always equal to 360 degrees. The word quadrilateral is derived from the Latin words ‘Quadra’ which means four and ‘Latus’ means ‘sides’. Not all the four sides of a quadrilateral need to be equal in length. Hence, we can have different types of quadrilaterals based on sides and angles.
Now,
Five special quadrilaterals are shown below in the image, along with their definitions and pictures, and points for them to get proven.
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What is a set of all X values *?.
The domain is actually the set of all "x" values, whereas the range is the set of all "y" values in an ordered pair.
Given,
What is the definition of the word "domain"?
Remember which of the following symbols corresponds to which ordered pair: (x, y).
When analyzing a set of ordered pairs, first list all the x values from the relation to establish the domain.To find the range, list each of the y values from the ordered pairs first.It is sufficient to list repeated values once as long as they fit within the domain or range.A relation cannot be a function unless each x value has a different value for the y value.If an x value has more than one y value connected with it, such as in the relation (4, 1), (4, 2), where the x value of 4 has y values of 1 and 2, a collection of ordered pairs is not a function.
Thus, the connection is referred to as a function if there is only one y value for every x value.
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Lana ha 5 apple and her friend ha 10 time a much a her how many apple doe her friend have
Lana has 5 apples and her friend has 10 times as many as her So her friend will have 50 apples.
Here times mean The symbol is used in mathematics to represent the multiplication operation and the resultant product. It is sometimes referred to as the time sign or the dimension sign.
So if Lana has 5 apples
her friend has 10 times as many as her
By using the unitary method
The unitary approach is a methodology for problem-solving that involves first determining the value of a single unit and then determining the necessary value by multiplying the single unit value.
The unitary method's formula is to get the value of a single unit and then multiply that value by the number of units to obtain the required value.
5 time 10
50 apples
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What is the example of perfect square trinomial?.
Answer:
x^2 + 6x + 9 and x^2 + 8x + 16 are examples of perfect-square trinomial
Step-by-step explanation:
1. x2 + 6x + 9
(x + 3)^2
= (x + 3)(x + 3)
= x2 + 6x + 9
2. x^2 + 8x + 16
x^2 + 8x + 16
= x^2 + 2(x)(4) + 4^2
= (x + 4)^2
Factor the expression completely. 14 x 4 − 35 x
pleaz pleaz help i'll give 100 points pleazz help
Answer:
D. y = 5x
Step-by-step explanation:
This graph shows a linear relationship between the number of sandwiches bought (x) and their cost (y). In this question, we are asked to define the relationship between x and y using an equation. Since this relationship is linear and thus has a constant of proportionality, we can represent it in the form: y = mx, where m is the ratio of the cost of sandwiches to the number of sandwiches. We can solve for m with the formula:
m = rise / run
So, the value m of the given line is:
m = 10 / 2
m = 5
Hence, the equation that displays the proportional relationship between the number of sandwiches bought (x) and their cost (y) is D. y = 5x.
What is the multiplicative inverse of − 6?.
The multiplicative inverse of 'a' is stipulate by a-1 or 1/a. on other side, the multiplicative inverse of a number is expounded as 1 divided by the number.
The multiplication inverse of 6 is 1/6.
hence, the multiplicative inverse of -6 is -1/6.
The multiplicative inverse is defined as the reciprocal of a given number. It is used to define mathematical expressions.
The word 'inverse' concludes something opposite/contrary in effect, order, position. or direction. A number when multiplied by its multiplicative inverse results in 1.
The multiplicative inverse formula is called that the multiply of a number and its reciprocal is 1.
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All students in Ridgewood Junior High School either get their lunch in the school cafeteria or brought it from home on Tuesday. 10% of students brought their lunch. 40 students brought their lunch. How many students in total are in Ridgewood Junior High School?
Answer:
400!
Simple Step-by-step explanation:
40x10
=400
Sorry for being late <3
The source or origin of a word is called its
Answer:
Etymology
Step-by-step explanation:
The length in inche and correponding weith in ounce of 15 different fih were meaured and recorded
what i the expected weith of the bluegill that i 11 inche
32.56 is the expected weight for a bluegill fish that is 11 inches long.
Equation: What is it?
Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.
Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" symbol and terms on both sides must always be present when writing an equation. Equal treatment should be given to each party. Multiple terms, operators, and variables are not required on each side of an equation. Without them, one can still create an equation, such as 5 + 10 = 15. There are no variables in the equation below.
given expression:
In(Weight) = -5.28 + 3.44 In(Length)
So, we have to find 11 inches then
In(weight) = -5.28 + 3.44 x 11
= -5.28 + 37.84
= 32.56
Hence, 32.56 is the expected weight for a bluegill fish that is 11 inches long.
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What function is f/x )= Logbx?.
The logarithmic function
[tex] f(x) = log_{b}(x) [/tex] is represent the inverse of an exponential function f(x)= bˣ.
A logarithmic function involves logarithms. Its basic form is
[tex]f(x) = log_{a}(x) ,[/tex] , where a > 0. It is Log functions include natural logarithm (ln) or common logarithm (log). For example f(x) = ln(x). An exponential function is defined as a mathematical function in the form f(x) = aˣ , where “x” represent a variable and “a” is a constant number which is known as the base of the function and it's value always be greater than zero. Transcendental number e is mostly used as a base of exponential function base is f. We have, the logarithmic function
[tex]f(x) = log_{b}(x) [/tex] , is the inverse of an exponential function f(x) =bˣ, and which means that
[tex]y = log_{b}(x) [/tex], is bʸ = x. The expression bʸ = x is said to be the “exponential form” for the logarithm
[tex]y = log_{b}(x) [/tex].
Here, b is called the base (of the logarithm) and it should be positive constant.
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Complete question:
What function is
[tex]f(x)= log_{b}(x) ?[/tex]
Is 0 a real value of x?.
Yes. Zero is a real value of x.
Given,
Real value of x;
The non-negative value of a real number x, regardless of its sign, is its absolute value (or modulus), | x |. For instance, 5 has an absolute value of 5, and 5 has a value of 5.
How do you discover the true worth?
The influence of price level changes is subtracted from the nominal value of a good, service, or time-series data to create real value, which provides a more accurate view of economic trends. A deflator is used to alter the nominal value of time-series data, such as GDP and incomes, in order to produce real values.
Here,
The real value of x includes 0.
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5. Expresss 12,600 as a product of it's prime factors.
Answer:
Below in bold.
Step-by-step explanation:
To do this we keep dividing by successive primes, using the lowest prime that divides exactly.
2) 12600
2) 6300
2) 3150
3) 1575
3) 525
5) 175
5) 35
7 <---we end up with a prime number so tha's the end of the process
So, 12,600 = 2*2*2*3*3*5*5*7 or 2^3*3^2*5^2*7.
Alexis invests 40% of capitol needed to start a business. If he invests $15,000, how much total capital was needed ?
Answer:
37500
Step-by-step explanation:
40%=$15,000
100%=?
100%×$15,000/40%
$1,500,000/40
=37500
Write the equation of a square root function that has been reflected across the y-axis, stretched vertically by a factor of 2, and shifted up 4 units.
A. y= 2[tex]\sqrt{-x}-4[/tex]
B. y= 2[tex]\sqrt{-x}+4[/tex]
C. y= -2[tex]\sqrt{x}-4[/tex]
D. y= [tex]\sqrt{2x}+4[/tex]
Step-by-step explanation:
DISCUSSION QUESTIONS (DQ's).
1. Is division always a negative in a religious faith? Why or why not?
The total cost of attending a state university is $21,800 for the first year. A students parents will pay for 30% of this cost. An athletic scholarship will pay another $5,600. The student has $3,800 saved in the bank for college. Which amount is closes to the minimum that the student will need to save every month in order to pay off the remaining cost at the end of 12 months?
Answer:
$488.33 monthly savings
Step-by-step explanation:
Parent payment 30% of $21,800 is $6,540.
Subtract all payment from total cost.
21,800−6,540−5,600−3,800=5,680.
Split this into monthly payment by dividing 5,680 by 12 months.
5,680÷12= $488.33
Find (f∘g)(x).
f(x)=2x
g(x)=x+4
Write your answer as a polynomial in simplest form.
Answer:
(f∘g)(x) = 2x + 12
Step-by-step explanation:
(f∘g)(x) =
f(g(x)) =
2(g(x)) + 4 = ==> substitute g(x) for x in f(x) = 2x + 4
2(x + 4) + 4 = ==> substitute x + 4 for g(x)
2x + 2*4 + 4 = ==> use distribution property on x and 4
2x + 8 + 4 = ==> simplify
(f∘g)(x) = 2x + 12
K As a town gets smaller, the population of its high school decreases by 4% each year. The senior class has 250 students now. In how m students? Write an equation. Then solve the equation. Write an equation to represent this situation. Let n be the number of years before the class will have 100 students. 0 (Type an equation using n as the variable. Use integers or decimals for any numbers in the equation.) Solve the equation. In n = years the senior class will have about 100 students. (Type an integer or decimal rounded to the nearest hundredth as needed.)
Answer:
y = 250(0.96^n)
Step-by-step explanation:
You want an equation for the number of students in the senior class after n years, when it has 250 students now and decreases at 4% per year. You also want to know the number of years until the class is 100 students.
Exponential equationThe exponential equation will have the form ...
y = a·b^x
where 'a' is the initial value, 'b' is the growth factor, and x is the independent variable.
ApplicationYou have an initial value of 250, a growth factor of (1+(-4%)) = 0.96, and an independent variable of 'n', representing the number of years the population has been declining. The equation is ...
y = 250(0.96^n)
100 studentsThe population will reach 100 students when n has the value that satisfies ...
100 = 250·0.96^n
0.4 = 0.96^n . . . . . . . . . divide by 250
log(0.4) = n·log(0.96) . . . . . take logarithms
n = log(0.4)/log(0.96) ≈ 22.45
The senior class will have about 100 students in 22.45 years.
__
Additional comment
The growth factor used in these exponential equations is (1 + growth rate), where the growth rate is the fractional change in the period of interest. The independent variable (x or n) is the number of such periods. Here, the fractional change is given as -4%, a 4% per year decrease. This tells us a period is 1 year. Of course -4% is the decimal fraction -0.04.
2
1 point
A motorcyclist is travelling at a constant speed of 40 miles an hour. How far will he travel in two and a half hours?
Type your answer...
I
OI
Answer: 183sr3, 370sr3
Step-by-step explanation:
What is logarithm class 11?.
The exponent or power that must be added to a base to produce a particular number is called the logarithm.
Indicated by the letter log n, the later class of logarithms, those with base 10, are referred to as common or Briggsian logarithms.
Logarithms, which were developed in the 17th century to expedite calculations, significantly decreased the amount of time needed to multiply integers with numerous digits. For more than 300 years, they served as the foundation for numerical labor, but the development of mechanical adding machines in the late 19th century and computers in the 20th century made them obsolete for large-scale calculations.
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What is 5 less than 7 times a number is 0. In algebraic expressions
Answer:
Step-by-step explanation:
We can write this out as an equation and let x represent the number:
7x-5=0
Adding five on both sides gives us: 7x=5
Therefore, x=5/7
In the diagram below of triangle MNOP, P is the midpoint of MO and Q is the midpoint of NO. If PQ=5x+62 and MN=6x-4, what is the measure of PQ
The measure of length PQ will be 22 units.
What is the mid-point theorem?A triangle's third side is stated to be parallel to the line segment uniting its two midpoints, and it is also half as long as the third side.
Given:
PQ = 5x + 62, and MN = 6x-4
Now, using Mid- Point Theorem
PQ= 1/2 MN
-5x+ 62 = 1/2( 6x - 4)
-5x+ 62 = 3x - 2
-5x- 3x = -2 - 62
-8x = -64
x= 8
PQ= 5x+ 62 = -5(8) + 62 = -40 + 62 = 22
Hence, the measure of PQ is 22 units.
The missing image is attached below.
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What is the slope of the line that passes through the points (4, 8) and (8, 6)? Write
your answer in simplest form.
PSSPY
Answer:
The slope is simply the gradient of the two points . use the gradient equation (Y2-Y1/X2-X1) to find the answer ;)
A line has a slope of -3 and includes the points (9, 4) and (8, t). What is the value of t?
According to the question A line has a slope of -3 and includes the points (9, 4) and (8, t) then the value of t is 7
How do I find the value of a slope?Typically, a line's slope provides information about the steepness and direction of the line. Finding the difference between the coordinates of the locations will allow you to quickly compute the slope of a straight line connecting two points, (x1,y1) and (x2,y2). The letter "m" is typically used to signify slope.
tan θ = Δy/Δx
the solution is -
Considering a line with a slope of -3 and also the point (9, 4), we could use the point-slope form of either a line to find the equation of a line:
y - 4 = -3(x - 9)
y = -3x + 27 + 4
y = -3x + 31
We are given some other point on the line (8, t) we can try substituting it in the equation above:
t = -3(8) + 31
t = -24 + 31
t = 7
And hence, the value of the t is 7.
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