Look at the number line below.
A vertical number line labeled from bottom to top from negative 1 to positive 1 with tick marks every 1-third unit. There is a point at 1 tick above negative 1.
A vertical number line labeled from bottom to top from negative 1 to positive 1 with tick marks every 1-third unit. There is a point at 1 tick above negative 1.
What point is marked on the number line?
A vertical number line ranging from a negative 2.00 to a positive 2.00 is displayed. Therefore, on the provided number line, point A corresponds to 0.25.
How to find the calculation?On the given number line, point A denotes a decimal number.
Given: A vertical number line ranging from a negative 2.00 to a positive 2.00 is displayed.
The horizontal straight lines known as "number lines" are where integers are spaced equally apart.
A number line can be used to visualize all the numbers in a succession.
Both endpoints of this line continue indefinitely.
Tick marks are used to indicate 1 over 4 increments.
At the third tick, Point A is plotted.
The result is that Point A is indicated as 1 over 4.
Divide 1 by 4 to get 1 over 4.
Therefore, on the provided number line, point A corresponds to 0.25.
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how can you find slope in math and on a graph
LOOK DOWN
Step-by-step explanation:
Locate two points on the line whose coordinates are integers.
Starting with the point on the left, sketch a right triangle, going from the first point to the second point.
Count the rise and the run on the legs of the triangle.
Take the ratio of rise to run to find the slope. m=riserun.
PLSS I MADE IT CLEARER THIS TIME
Answer:
There is still no attachment.
Step-by-step explanation:
Draw a square with side length of 7 cm
The figure of a square with side length of 7 cm is shown in figure.
What is mean by Square?A square is a two dimension figure with 4 sides, 4 corners and 4 right angles. The all sides of the square are equal and parallel to each other.
We have to given that;
The side length of square = 7 cm
Now, We know that all sides of a square are equal.
Hence, The figure of a square with side length of 7 cm is shown in diagram.
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For what value of k the following pair of equations has no solution?
The required value of k the following pair of equations has no solution is k = 2.
What is system of equation?simultaneous equations, system of equations Two or more equations in algebra must be solved jointly (i.e., the solution must satisfy all the equations in the system). The number of equations must match the number of unknowns for a system to have a singular solution.
According to question:3x + y -1 = 0
(2k -1)x + (k-1)y - 2k -1 = 0
A1/A2 = 3(2k -1); B1/B2 = 1/(k-1); and C1/C2 = -1/(-2k -1) = 1/(2k +1).
as there are none
A1 = B1 + B2 = C1 + C2
3/(2k-1) = 1/(k -1) ≠ 1/(2k +1)
3/(2k –1) = 1/(k -1) (k -1)
3k -3 = 2k -1
k =2
The above pair of linear equations will therefore not have a solution for k = 2.
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Complete question:
For which value of k will the following pair of linear equations have no solution?
3x + y = 1
(2k – 1) x + (k – 1) y = 2k + 1
what is the rate of 5 points scored in 4 quarters
The rate of points scored is 1.25 points per quarter.
What is the rate?A rate is a type of ratio that compares two values with distinct units. A rate is expressed as a fraction.
For example, a distance runner completed 50 kilometers in five hours.
To determine the rate of points scored, we need to determine how many points are scored per unit of time. In this case, the unit of time is a quarter, and the number of points scored is 5.
Therefore, the rate of points scored is 5 points / 4 quarters = 1.25 points per quarter.
It is also the average of points scored in a quarter.
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Similarity Sample Work part2
Answer: Scroll down
Step-by-step explanation:
Image one:
1. Using SAS similarity, we can find 48/60 = 20/ML
1200 = 48 ML
ML = 1200/48 = 25 = Circle one
2. 24/x+5 = 54/36
x = 11
3. 20/36 is not equal to 24/42, so the triangles are not similar, = D
Image two:
1. 21/17.5 = 18/15 = 1.2
PQR is similar to D
2. D because then the ratios of the sides are all 3:1, and thats SSS similarity.
Image three:
1. Given
2. Property of cross multiplication
3. Given
4. SAS
Finished :>
How do you explain negative numbers to a child?
Describe to a child the analogy between owing money when you have none at all and a negative number. It is not zero, though. As a result, when the numeral is larger, the value is lower or less.
What are negative numbers?A negative number is one that always has a value lower than zero and is denoted by the minus (-) symbol.
Negative numbers are shown to the left of zero on a number line.
Negative numbers include -6 and -15 as examples.
A negative number in mathematics represents the reverse.
A negative number is one that is less than zero in the real number system.
Negative numbers are frequently used to indicate how great a loss or a shortage is.
One could consider an unpaid debt to be a negative asset.
To a child describe how a negative number is equivalent to owing money when you have none at all.
It is not equal to zero.
Therefore, the value is smaller or less when the numeral is larger.
Therefore, describe to a child the analogy between owing money when you have none at all and a negative number. It is not zero, though. As a result, when the numeral is larger, the value is lower or less.
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What do vertical lines represent?
In mathematics, a vertical line is a line that goes straight up and down, parallel to the y-axis of a coordinate plane. It is represented by the equation x = a, where a is a constant value.
The Vertical LinesIn a coordinate plane, the x-axis runs horizontally and the y-axis runs vertically. A vertical line is parallel to the y-axis and therefore has a constant x-coordinate value. This is why a vertical line can be represented by an equation of the form x = a, where a is a constant value. The value of 'a' is the x-coordinate of all the points on the line. The y-coordinate can have any value.
Vertical lines are relatively simple to work with and can be applied in a variety of mathematical and real-world contexts. For example, in geometry, a vertical line can be used to define the height of a building or the width of a doorway. In algebra, a vertical line can be used to graph the equation of a function and to identify the domain and range of the function. In statistics, a vertical line can be used to represent a significant value on a graph, such as the mean or median of a set of data. It can also be used in physics to represent the position of an object in motion. Overall, vertical lines are a simple yet powerful tool that can be used in a wide range of applications.
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Your friend how you a coin collection. In it, 44/50
of the coin are quarter. What percent of the coin are quarter?
The percentage of the coin are quarter would be 88%.
What is meant by percentage?Since the denominator of percentages is 100, they are effectively fractions. percentage is a relative value that denotes hundredths of any amount. One percent, denoted by the symbol 1%, is equal to one hundredth of something; hence, 100 percent denotes the full thing, and 200 percent designates twice the amount specified.
In addition to being stated as a decimal or a fraction, a percentage is a number that indicates how many out of 100 it is. Three for the price of one! Simply enter the % as the numerator and 100 as the denominator to convert the percentage to a fraction.
"Out of 100" is what "percentage" means. When describing parts of a whole in mathematics, percentages are employed along with fractions and decimals. The full is divided into one hundred equal portions for the purpose of computing percentages.
To determine, multiply the fraction 44/50 by 100 to convert it to a percentage.
(44/50) × 100 = 88%.
Therefore, the percentage of the coin are quarter would be 88%.
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Which equations are true equations?
Select all correct answers.
62−22=4+7⋅22
54 ÷ 6 + 3² = 4 + 4²
8042=10−22−1
19−2⋅5=9⋅73−9
None of the equation is true from the given equations.
What is true equation?
Verify your math to ensure that the values on either side of the equals sign are the same in order to create a true equation. To create a true equation, make sure the numbers on both sides of the "=" sign are equal.
We define a true equation as an equation where the thing at the left is equal to the thing on the right, so we need to check that for all the given equations.
1) 62 − 22 = 4 + 7⋅22
We just solve each side, we will get:
40 = 158
This is not a true equation.
2) 54 ÷ 6 + 3² = 4 + 4²
9 + 9 = 4 + 16
18 = 20
This is not a true equation.
3) 8042 = 10 − 22 − 1
Clearly, this is not a true equation.
4) 19 − 2⋅5 = 9⋅73 −9
19 - 10 = 657 - 9
9 = 648
This is not a true equation.
Hence, none of the equation is true from the given equations.
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I need help please!!!
Answer:
f(0)=-5
f(2)=3
f(-2)=-15
f(4)=11
f(-1)=-9
Step-by-step explanation:
Pretty simple once it clicks.You just need to substitute the x in f(x). So f(2) is just replacing the x in the equation. We would get 4*2-5. This would get us 8-5 which is 3. So rule of thumb, just substitute the x.
Alex has a prism with a base that has 13 sides. How many faces
does the prism have?
A prism has two congruent parallel bases and the number of sides on the base determine the number of faces. A base with 13 sides is a 13-gon, so the prism has 2 faces from the 13-gon bases and 13 faces from the rectangular sides. In total the prism has 2+13 = 15 faces.
What is prism?A prism is a three-dimensional geometric shape that has two congruent and parallel bases, and a set of rectangular faces connecting the bases. The bases are typically polygonal in shape, and the rectangular faces are perpendicular to the bases. The distance between the bases is known as the height of the prism. Prisms are named based on the shape of their bases, for example, a triangular prism has triangular bases, and a rectangular prism has rectangular bases. There are different types of prisms like regular prism, triangular prism, pentagonal prism, hexagonal prism etc.
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in 2016, there were about 43,500 cinema screens in a country. If about 37.7% of the total screens in the country were digital 3-D screens, find the approximate number of digital 3-D screens.
help pls thank you in advance :D
The coordinates of point C is C(x, y) = (- 2, - 10).
How to determine the location of a point within a line segment
In this problem we find a line segment whose endpoints are already known and we are asked to determine the location of a third point such that it is 3 / 7 of the distance from point A to point B. This can be determined by means of the following formula:
C(x, y) = A(x, y) + (3 / 7) · [B(x, y) - A(x, y)]
Where:
A(x, y) - Coordinates of endpoint A.B(x, y) - Coordinates of endpoint B. C(x, y) - Coordinates of point C.If we know that A(x, y) = (4, - 7) and B(x, y) = (- 10, 0), then the location of the thrid point is:
C(x, y) = (4, - 7) + (3 / 7) · [(- 10, 0) - (4, - 7)]
C(x, y) = (4, - 7) + (3 / 7) · (- 14, - 7)
C(x, y) = (- 2, - 10)
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The graph of quadratic function f is shown on the grid. Which of these best represents the domain of f?
The domain of the quadratic function is represented by all the numbers on the number line, which is the set of values for which the function is defined.
What is function?A function is a mathematical rule or procedure that takes an input, performs a specific operation, and produces an output. In programming, functions are blocks of code that are designed to perform specific tasks. They are used to break down complex problems into smaller, manageable parts, and to make code more organized, readable, and reusable. Functions can also be used to share code between multiple programs.
The best way to determine the domain of a quadratic function is to identify the range of values for which the function is defined. The domain of a quadratic function is typically composed of all real numbers, which can be represented by the set of all numbers on a number line. In the graph of the quadratic function, the set of points on the graph represents the range of values for which the function is defined. Therefore, the domain of the quadratic function is represented by all the numbers on the number line, which is the set of values for which the function is defined.
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How do you write 7 in maths?
The number 7 can be written as number name, ordinal form, roman numerals and square root form.
The natural number 7, which is a number, numeral, and digit, is the one that follows after 6 and before 8. The cube of a number, 2, is preceded by only one other prime odd number. Its only divisors, as it is a prime number, are 1 and 7. In a lot of western nations, this number is seen as lucky.
The number 7 can be written in a variety of ways, including:
(1) In number names: The number seven is written as 7.
(2) In ordinal form: The number 7 is written as seventh or seventh in ordinal form.
(3) Roman numerals: The sign Vll is used to represent the number 7 in roman numerals.
(4) In square root form: The number 7 is written as the square root of 49, i.e. √49, when expressed in terms of a number.
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question 2 organizations such as the u.s. centers for disease control (cdc) often use data collected from hospitals. what kind of data is the cdc using if it is collected by hospitals, then sold to the cdc for its own analysis?
The U.S centers for disease control (CDC) uses Secondary Data if it is buying data from hospitals for its own analysis.
Data can be divided into 2 categories based on the source of collection.
When the data is collected firsthand by the research person or organization through sampling or other means for their own research purpose, it is known as Primary data. This is because it directly pertains to the purpose of the said event.
When the organization, however, does not collect data on its own but rather it uses data/ research of other organizations, it is known as secondary data.
Here, in this case, we find CDC saves time and effort by directly buying and utilizing the data collected by the hospitals for their own purpose, they use secondary data.
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. What is the smallest number that can be divided by 90, 80 and 72 without a remainder
Answer: The smallest number that can be divided by 90, 80 and 72 without a remainder is 720.
Step-by-step explanation:
To find the smallest number that can be divided by 90, 80, and 72 without a remainder, you can find the least common multiple (LCM) of 90, 80, and 72. The LCM is the smallest positive number that is a multiple of all the given numbers.
One way to find the LCM is to list out the multiples of each number and then find the smallest one that is common to all.
Multiples of 90: 90, 180, 270, 360, 450, 540, 630, 720, 810, 900, 990, 1080, 1170...
Multiples of 80: 80, 160, 240, 320, 400, 480, 560, 640, 720, 800, 880, 960, 1040, 1120...
Multiples of 72: 72, 144, 216, 288, 360, 432, 504, 576, 648, 720, 792, 864, 936, 1008...
As you can see 720 is the smallest common multiple for all the numbers 90,80 and 72. Therefore, the smallest number that can be divided by 90, 80, and 72 without a remainder is 720.
-27x + 6x^2 + 30
please help , i need to factor this.
Answer:
3(2x - 5)(x - 2)
Step-by-step explanation:
-27x + 6x^2 + 30 =
= 6x² - 27x + 30
= 3(2x² - 9x + 10)
= 3(2x - 5)(x - 2)
What is the complement angle of 15 *?
Answer:75
Step-by-step explanation:The complementary angle of 15° is 75°. To find the complement of an angle, say ' x ', use the formula below: So, the complementary angle of 15° = 90 - 15 = 75°. Important: the angle unit is set to degrees. You browser does not support "Canvas"
The spinner below is spun 75 times and the results are shown in the table. What is the theoretical probability of the spinner landing on the purple? Based on the table, what is the experimental probability of the spinner landing on purple?
The theoretical probability and experimental probability of the spinner landing on the purple will be 0.3333 and 0.40, respectively.
What is probability?Its fundamental concept is that someone will nearly surely occur. The proportion of positive events in comparison to the total of occurrences.
Then the probability is given as,
P = (Favorable event) / (Total event)
The spinner below is spun 75 times and the results are shown in the table.
The theoretical probability of the spinner landing on the purple will be given as,
P = 1 / 3
P = 0.3333
The experimental probability of the spinner landing on purple will be given as,
P = 30 / 75
P = 2/5
P = 0.40
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The missing table is given below.
Color Frequency
Purple 30
Red 30
Green 15
Please help me ASAP today
The points of solution that are obtained for the system of linear equations 3x + 2y = 11 and -8x - 4y = -20 are (-1,7).
2(3x + 2y = 11)
1(-8x - 4y = -20)
3x + 2y - 8x - 4y = 11 - 20 gives -5x - 2y = -9
What is a linear equation?
A linear equation is one that has a degree of 1 as its maximum value. No variable in a linear equation, thus, has an exponent greater than 1. A linear equation's graph will always be a straight line.
The system of linear equations are -
3x + 2y = 11....(1)
-8x - 4y = -20....(2)
When solved initially the value of equation is -
3x + 2y - 8x - 4y = 11 - 20
-5x - 2y = -9
Multiply equation (1) by 2 -
2(3x + 2y) = 2 × 11
6x + 4y = 22.....(3)
Simplify the equation (2) and (3) by adding -
-8x - 4y + 6x + 4y = -20 + 22
-2x = 2
x = -1
Substituting the value of x = -1 in equation (1) -
3x + 2y = 11
3(-1) + 2y = 11
Simplifying the equation -
-3 + 2y = 11
2y = 11 + 3
2y = 14
y = 7
Therefore, the final value is obtained as (-1,7).
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the polynomail p is a function of x the graph of p has 4 zeros at -4,-2/3;0and 9
The polynomial p with 4 zeros at -4, -2/3, 0 and 9 is,
⇒ p (x) = x⁴ - 13/3x³ - 118/3x² - 24x
What is an expression?Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.
We have to given that;
The polynomial p is a function of x with 4 zeros are -4, -2/3, 0 and 9.
Now, We can formulate;
The polynomial is,
⇒ p (x) = (x - (-4)) (x - (-2/3)) (x - 0) (x - 9)
⇒ p (x) = (x + 4) (x + 2/3) (x) (x - 9)
⇒ p (x) = x (x + 4) (x - 9) (x + 2/3)
⇒ p (x) = x (x² - 9x + 4x - 36) (x + 2/3)
⇒ p (x) = x (x² - 5x - 36) (x + 2/3)
⇒ p (x) = x (x³ + 2/3x² - 5x² - 10/3x - 36x - 24)
⇒ p (x) = x (x³ - 13/3x² - 118/3x - 24)
⇒ p (x) = x⁴ - 13/3x³ - 118/3x² - 24x
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HELP!
im so confused, please
Answer:
48
Step-by-step explanation:
72/6 =12
12(4)=48
A straight water slide is 175 ft above the ground. If the angle of depression at the top of the slide is 70 , what is the length of the slide
Answer:
61.04 degrees
Step-by-step explanation:- To find the angle we must use the sine function which is sin∅ = opp/hyp so sin ∅ = 175/200 = 61.04°
Hope this helps :)
Find AB.
7.5 big ideas
Answer:
30.4 units
Step-by-step explanation:
SolutionThis Question asks on the concept of Similar Triangles.
Given information from the question, we know that:
DM = MA
CN = NB
DC and AB are parallel.
We can use the ratio formula to find the length of AB based on the length ratio between MN and DC.
[tex]\frac{AB}{MN} =\frac{MN}{DC} \\\frac{AB}{18.7} =\frac{18.7}{11.5} \\AB = \frac{18.7}{11.5} * 18.7\\AB = 30.4\ units[/tex]
Therefore the length of AB is 30.4 units.
For each of the examples below, identify the bearing of B from A. (Hint: bearings are written with three digits.) Q task a) 320° N 40° B b) 235° N A Watch video 125° •В C) 142° В' N 218° Not drawn accurately
Answer: a) 040° b) 125° c) 218°
A man plans on making a large speculative investment in a new company. There is a 20% chance that the company will lose $250,000, a 50% chance of a break even, and a 30% chance of a $150,000 profit. Based ONLY on this information, what should the man do? A) The expected value is $5,000. 00, so the man should make the investment. The expected value is $45,000. 00, so the man should make the investment. The expected value is --$50,000 00, so the man should make the investment D) The expected value is - $5. 0. 00, so the man should not make the investment
If there is a 20% chance that the company will lose $250000, a 50% chance of a break even, a 30% chance of a $150000 profit, then (d) The expected value is -$5000 , so man should not make the investment .
the percent chance for the loss is : 20% chance that the company will lose $250000 ;
the percent chance that there is break even : 50% chance ;
the percent chance for profit is : 30% chance of a $150000 profit ;
So , the expected value can be calculated as :
⇒ -(20% of 250000) + (30% of 150000) ;
⇒ -(0.2 × 250000) + (0.3×150000) ;
⇒ -50000 + 45000 ;
⇒ -5000 .
The Expected value is in negative ,
Therefore , the Man should not make an investment .
The given question is incomplete , the complete question is
A man plans on making a large speculative investment in a new company. There is a 20% chance that the company will lose $250,000, a 50% chance of a break even, and a 30% chance of a $150,000 profit. Based ONLY on this information, what should the man do?
(a) The expected value is $5000, so the man should make the investment.
(b) The expected value is $45000, so the man should make the investment.
(c) The expected value is -$50000 , so the man should make the investment
(d) The expected value is -$5000 , so the man should not make the investment
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The formula for the approximate volume of a sphere with a
radius of r feet is V = (3) (³). What is the approximate volume,
in cubic feet, of a sphere with a radius of 2 feet?
According to the approximate volume formula, a sphere with a 2 foot radius has a volume of 33.51032ft3 in cubic feet.
what is volume ?Its volume is the area that is enclosed by an object's boundaries in three dimensions. The quantity of three-dimensional space occupied by an object is measured by its volume, which is measured in cubic units. An example of a cubic unit is the cm3 or in3. However, a substance's mass can be used to measure how much matter it contains. It's usual practice to calculate an object's mass using its weight (in pounds or kilograms). In contrast to the basic equation for the area of a rectangular form, which is length, breadth, and height, the basic equation for volume is length, width, and height.
given
V=4/3πr^3
=4/3·π·2^3
≈33.51032ft³
According to the approximate volume formula, a sphere with a 2 foot radius has a volume of 33.51032ft3 in cubic feet.
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