Answer:
y=0.5x
Step-by-step explanation: Plot the points then draw the line to then use the slope formula y=mx+b m is slope which is 1/2 which is 0.5, you can use either, and b is the y-intercept which is (0,0)
what is the correct ascending order for these numbers1.525/848%
Given the set of numbers:
\(\text{ 1.52, 5/8 and 48\%}\)To be able to determine their correct ascending order, we must first make all the numbers into similar forms.
Let's convert a
The circle shown has a radius of 4 cm.
Not drawn
to scale
Х
What is the length of the diameter of the circle?
Answer:
8 cm
Step-by-step explanation:
:)
The points R(4, t), S(3, 8) and T(1, 2) lie on a same straight line. Find the value of t.
well, we know that R, S and T are on the same straight line, hmmmm wait a second!! that means that the slope for RS must be the same as the slope for ST, heck, what's the slope for ST anyway?
\(S(\stackrel{x_1}{3}~,~\stackrel{y_1}{8})\qquad T(\stackrel{x_2}{1}~,~\stackrel{y_2}{2}) ~\hfill \stackrel{slope}{m}\implies \cfrac{\stackrel{rise} {\stackrel{y_2}{2}-\stackrel{y1}{8}}}{\underset{run} {\underset{x_2}{1}-\underset{x_1}{3}}} \implies \cfrac{ -6 }{ -2 } \implies 3\)
ahha!! that means that the slope for RS is really 3, hmmmm
\(R(\stackrel{x_1}{4}~,~\stackrel{y_1}{t})\qquad S(\stackrel{x_2}{3}~,~\stackrel{y_2}{8}) ~\hfill \stackrel{slope}{m}\implies \cfrac{\stackrel{rise} {\stackrel{y_2}{8}-\stackrel{y1}{t}}}{\underset{run} {\underset{x_2}{3}-\underset{x_1}{4}}} ~~ = ~~\stackrel{\textit{\LARGE m}}{3} \\\\\\ \cfrac{8-t}{-1}=3\implies 8-t=-3\implies 11-t=0\implies 11=t\)
please help, ill mark brainliest = )
Answer:
1.6lb
30oz
800g
Step-by-step explanation:
That's the order.
The net of a square pyramid is shown below: Net of a square pyramid showing 4 triangles and the square base. The square base has side lengths of 2 inches. The height of each triangle attached to the square is 3 inches. The base of the triangle is the side of the square. What is the surface area of the solid? (5 points) 16 square inches 24 square inches 28 square inches 32 square inches
4(3)(2)/2 + 2² = 12 + 4 = 16
What is the sum of 9 of the interior angles of a regular dodecagon?
Answer:
1350
Step-by-step explanation:
A regular dodecagon has 12 congruent sides.
Find the sum of the interior angles:
180∘⋅ (12−2)= 180∘ ⋅10
= 1800 /12 = 150∘
Divide the sum of the interior angles by the number of interior angles
Multiply by 9:
150 ∘ ⋅9= 1350
The sum of 9 angles of a regular dodecagon is 1350
The sum of 9 interior angles of the dodecagon is A = 1350°
What is the sum of the interior angles of a polygon?The sum of the interior angles of a polygon is given by the formula
Sum of Interior angles of a polygon with n sides is
nθ = 180 ( n - 2 )
where n is the number of sides
θ = angle in degrees
Given data ,
Let the polygon be represented as P
Now , P = dodecagon
The number of sides for P = 12 sides
And , sum of interior angles = (n - 2) x 180° , where n is the number of sides
The sum of interior angles = (12 - 2) x 180°
The sum of interior angles = 10 x 180°
The sum of interior angles = 1800°
To find the sum of 9 of the interior angles, we can divide the total by 12 (the number of angles in the dodecagon) and then multiply by 9:
The sum of 9 interior angles = (9/12) x 1800°
The sum of 9 interior angles = 1350°
Hence , the sum of 9 of the interior angles of a regular dodecagon is 1350°
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If the circumference of a circle is 62.8 feet, what is the radius of the circle
Use 3.14 for pie
Answer:
\(62.8 = 3.14 \times x \\ x = \frac{62.8}{3.14} \\ = 20\)
4) At the end of each quarter year, Rod makes a $500 payment into Lanagham Mutual Fund. If his investments earn 7.88% annual interest compounded quarterly, what will be the value of Rod's annuity in 20 years?
5) Bubba contributes $50 per month into the Vanguard National Bond Fund that earns 7.26% annual interest compounded monthly. What is the value of Bubba's investment after 25 years?
6) Ursula is considering opening an account with Crab Key Bank at 5.15% annual interest compounded quarterly. What is the equivalent APY?
7) How can you tell the difference if one bank offers an investment earning 8.75% annual interest compounded quarterly versus one earning 8.7% compounded monthly?
The value of each investment scenario based on the given interest compounded will be:
Rod's annuity after 20 years will be $30,904.95.Buba's investment value after 25 years will be $41,438.55.Ursula equivalent APY will be 5.25%.The different between an investment earning annual investment compounded ed quarterly and one earning compounded monthly is the number of times the interest is compounded each year.Let's discuss each scenario we have.
4) At the end of each quarter year, Rod makes a $500 payment into Lanagham Mutual Fund. If his investments earn 7.88% annual interest compounded quarterly, what will be the value of Rod's annuity in 20 years?The value of Rod's annuity after 20 years will be $30,904.95. This is calculated by using the formula A = P((1+r/n)^(nt)), where P is the payment, r is the annual interest rate (7.88%), n is the number of times compounded per year (quarterly, or 4), and t is the number of years (20).
5) Bubba contributes $50 per month into the Vanguard National Bond Fund that earns 7.26% annual interest compounded monthly. What is the value of Bubba's investment after 25 years?The value of Bubba's investment after 25 years will be $41,438.55. This is calculated by using the formula A = P((1+r/n)^(nt)), where P is the payment, r is the annual interest rate (7.26%), n is the number of times compounded per year (monthly, or 12), and t is the number of years (25).
6) Ursula is considering opening an account with Crab Key Bank at 5.15% annual interest compounded quarterly. What is the equivalent APY?The equivalent APY for the account at Crab Key Bank with an annual interest rate of 5.15% compounded quarterly is 5.25%. This is calculated by using the formula APY = (1+r/n)^n - 1, where r is the annual interest rate (5.15%), and n is the number of times compounded per year (quarterly, or 4).
7) How can you tell the difference if one bank offers an investment earning 8.75% annual interest compounded quarterly versus one earning 8.7% compounded monthly?The difference between an investment earning 8.75% annual interest compounded quarterly and one earning 8.7% compounded monthly is the number of times the interest is compounded each year. An investment earning 8.75% compounded quarterly has an interest rate of 8.75% that is compounded four times per year, while an investment earning 8.7% compounded monthly has an interest rate of 8.7% that is compounded twelve times per year.
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Given that x and y vary inversely and that y is 8 when x is 2, what is the value of x when y is 18?
Answer:
8/9
Step-by-step explanation:
the equation is x = k / y
when x = 2 & y = 8 then k is 16
when you is 18 then x = 8/9
A group of 2 adults and 4 children spent $38 on tickets to a museum. A group of 3 adults and 3 children spent $40.50 on tickets to the museum. Based on this information, how much is an adult ticket, and how much is a child ticket?
2a + 4c = 38.00
3a + 3c = 40.50
What values of a and c represent the solution to the system?
a = ____
c = ______
a 8
c 5.5
Answer:
Looks like you gave the answer already.
a = 8 and c = 5.5
Step-by-step explanation:
2a + 4c = 38.00 --> x3 --> 6a + 12c = 144
3a + 3c = 40.50 --> x2 --> 6a + 6c = 81
6c = 33
c = 5.5
a = 8
I’m new to this app so I don’t know how to give more points but I would appreciate it if you could help
Hi! The answer would be all real numbers!
Hope this helps! :)
a book publisher wants to determine if men and women differ in their preference for printed books versus digital books (e-books). to answer this question, they surveyed a random sample of 1000 men and women and asked each person to choose the type of book they prefer (printed books or e-books). if data are collected this way, which statistic is most appropriate for determining whether men and women differ in their book preferences?
The most appropriate statistic for determining whether men and women differ in their book preferences is the two-sample proportion test.
In a two-sample proportion test, proportions from two distinct groups are compared to see if there is a statistically significant difference between them. The sample proportions of men and women who prefer printed books vs e-books, as well as the standard error of the difference between these proportions, must be determined in order to execute this test.
The test statistic would then be calculated using these data, and it would be compared to a critical value derived from a conventional normal distribution or a p-value obtained using statistical software.
The two-sample proportion test is thus the best statistic to determine if there are differences between men's and women's preferences for books.
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Can the side lengths of 2 9 12 form a triangle yes or no can the side lengths of 3 5 8 form a triangle yes or no can the side lengths of 10 12 15 form a triangle yes or no can the side length of 4 4 7 form a triangle yes or no
Answer:
2,9 , 12
NO
3,5,8
No
10,12 , 15
Yes
4,4,7
Yes
Step-by-step explanation:
Here, we want to know if the set of given sides will form a triangle
Mathematically, for a triangle to be formed, the sum of two sides must be greater than the third side
If we have a, b and c as sides of a triangle, then mathematically (
a + b > c
a + c > b
and b + c > a
If at any point, these does not work, then we can’t have a triangle
Let us consider the lengths one after the other
We proceed as follows;
2 9 12
Since 2 + 9 is not greater than 12, we cannot have a triangle
3 , 5, 8
Since 3 + 5 equals 8 and not greater than it, we cannot have a triangle
10 , 12 , 15
This forms a triangle
10 + 12 > 15
10 + 15 > 12
12 + 15 > 10
Lastly;
4 , 4 , 7
Since ;
4 + 4 > 7
and
4 + 7 > 4
we have a triangle
help meeeeeeeeeeeeeeeeeeee pleaseee rnnnn rn!!!!
Other than the unit of measurement i am genuinely confused by this because (as far as I know) there is no possible way of figuring this out. The unit is obviously meters but I have no idea what the answer is. You should ask your teacher to explain it to you because it's confusing.
Convert 660 gallons into quarts.
Answer:
Step-by-step explanation:
The answer is 2640 quarts. Your Welcome.
What are all the exasperations that are equivalent to 4y+12
There are many expressions that are equivalent to 4y + 12, which can be obtained by using algebraic operations to manipulate the expression while maintaining its value. Here are a few examples:
12 + 4y
2(2y + 6)
4(y + 3)
8y/2 + 12
4(y + 3) - 3y + y
2(2y + 6) + 2(y - 3)
4y + 9 + 3
4y - 4 + 16
These are just a few examples. There are many other expressions that are equivalent to 4y + 12, depending on what operations you apply and how you choose to represent them.
In mathematics, an expression is a combination of mathematical symbols, numbers, and/or variables, that represents a value or a relationship between values. It may include arithmetic operations such as addition, subtraction, multiplication, and division, as well as algebraic operations such as powers, roots, and logarithms.
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Question: What are all the values that a correlation r can possibly take? A. 0 ≤ r ≤ 1 B. r ≥0 C. -1 ≤ r ≤ 1 D. None of the above.
The correct answer is C. -1 ≤ r ≤ 1. The correlation coefficient, r, is a measure of the strength and direction of a linear relationship between two variables. It can take on any value between -1 and 1, inclusive.
A correlation coefficient of -1 indicates a perfect negative correlation, where as one variable increases, the other variable decreases in a perfectly linear fashion. A correlation coefficient of 0 indicates no linear relationship between the two variables. A correlation coefficient of 1 indicates a perfect positive correlation, where as one variable increases, the other variable increases in a perfectly linear fashion.
Therefore, statement A is not correct as it only includes the positive values of r. Statement B is not correct as it does not include negative values of r. Statement C is correct as it includes all possible values of r.
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If x > 0, what values of c and d make the equations true?
In this case, we'll have to carry out several steps to find the solution.
Step 01:
Data
Equation A
\(\sqrt[]{448x^c}=8x^3\sqrt[]{7x}\)Equation B
\(\sqrt[3]{576x^d}\text{ = 4x}\sqrt[3]{9x^2}\)
What is the slope of the following table?
Answer:
The slope is 2.5
Step-by-step explanation:
7-2=5. 4-2=2
5/2=2.5
Help me please thanks
Answer:
7
Step-by-step explanation:
10/2+6/3 = 5+2 = 7
Answer:
7
Step-by-step explanation:
first of all, put c as 6 and d as 10
10/2+6/3
=5+2
=7
hope this helps <3
Which category does each card go into?
Step-by-step explanation:
E3, E6, E11, E7: no solution
E1, E12 : 1 solution
E2, E8, E10 : infinite solutions
Answer:
See attached
Step-by-step explanation:
The answer is attached
Infinitely many solutions
E2, E8, E10One solution
E1, E7, E12No solution
E3, E6, E11The perimeter of an isosceles triangle is 21 cm. The length of each equal side is triple
the length of the base. Find the side lengths of the triangle.
Let the length of the base of this isosceles triangle be = x
One of its equal sides = 3x
Another one of its equal sides = 3x
Their perimeter = x + 3x + 3x = 21 cm
To find the value of each side let us first solve this equation .
= x + 3x + 3x = 21 cm
= 7x = 21 cm
= x = 21 ÷ 7 ( transposing ×7 from LHS to RHS changes ×7 to ÷7 )
= x = 3
Then length of base = 3 cm
Length of one equal side = 3 × 3 = 9 cm
Length of another equal side = 3 × 3 = 9 cm
Therefore , the the three sides of this triangle = 3 cm , 9 cm and 9cm .
The graph shows the number of possible passengers for a given number of roller coaster cars that leave the platform. Complete parts a and b.
the slope of the line is 8 and equation line is y = 8x.
What is the slope of line?
Given two line-side coordinates, use the slope formula to determine the slope of the line. The slope is defined as the ratio of the change in the y values to the change in the x values using the formula m=(y2-y1)/(x2-x1). x1 and y1 are represented by the first point's coordinates. The second points are located at x2, y2, and their locations. Whichever point you choose to classify as the first and which as the second doesn't matter.
We know that formula two find the slope of the line joining two points which is
slope m = 24-16 / 3-2
m = 8/1 = 8
y = 8x
Hence the slope of the line is 8 and equation line is y = 8x.
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If the government imposes a minimum wage of $12, how many workers will be unemployed? 4,000 10,000 2,000 0
If the government was to impose a minimum wage of $12 then the number of unemployed workers would be 4,000.
How many workers would be unemployed?If the government was to impose a minimum wage of $12 then a situation would arise where the demand for workers is 8,000 yet the supply for workers is 12,000.
This would lead to an unemployment rate of:
= 12,000 - 8,000
= 4,000 people
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FREE BRAINLIEST AND EXTRA POINTS!!!!
The point (0, 2) is the only solution to the system of linear equations that contains the equations.
y = 1/2x + 2 and y = -3x + 2. Choose the term that describes the set of equations.
a.) dependent equations
b.) inconsistent equations
c.) cannot be determined
d.) independent equations
Answer:
c
Step-by-step explanation:
yeshhhhhhhhhjjhhuhj
Answer:
I think It's A what do you think??
Step-by-step explanation:
Four glass balls, each with a 2.5 inch radius, are placed in a box. if the remaining space is to be filled with cotton for padding, how much cotton is needed
238.20 cubic inches of cotton is needed if the remaining space is to be filled with cotton for padding. The volume of cotton needed is obtained by subtracting the volume of four glass balls from the volume of the box.
The radius of a glass ball = 2.5 inches.
The volume of a ball = \(\frac{4}{3}\pi r^3\)
= \(\frac{4}{3}\times 3.14\times (2.5)^3\)
= 65.42 cubic inches.
The volume of 4 balls = 4 × 65.42 cubic inches
= 261.67 cubic inches.
Length of the box = 4 × 2.5 × 2 = 20 inches,
Width of the box = 2.5 × 2 = 5 inches,
Height of the box = 2.5 × 2 = 5 inches.
So,
the volume of the box = Length × Width × Height
= 20 × 5 × 5
= 500 cubic inches.
Now,
The volume of cotton needed = the volume of the box - the volume of 4 balls.
= 500 - 261.67
= 238.20 cubic inches.
Thus, if the remaining space is to be filled with cotton for padding, 238.20 cubic inches of cotton is needed.
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Use the drop-down menus below to state the sequence of transformations that maps Figure A A onto Figure B B in the animation below. Then use those transformations to determine: are the two figures congruent? Use the drop-down menus to explain why or why not.
Answer:
nonrigid and segement lengths ar enot
Step-by-step explanation:
Quadrilateral KLMN is similar to quadrilateral WXYZ.
Which statement about these quadrilaterals must be true?
What is the probability that a random sample of 12 second grade students results in a mean reading rate of more than 95 words per minute?
The probability that a random sample of 12 second grade students results in a mean reading rate of more than 95 words per minute is 0.4582.
Given that the population mean, \(\mu\) = 90 wpm
The standard deviation of the population ,\(\sigma\) = 10
Sample size, n = 12
Sample mean, \(\bar x\) = 95
The reading rate of students follows the normal distribution.
Let z = \(\frac{\bar x - \mu}{\frac{\sigma}{\sqrt n} }\)
= \(\frac{95 - 90}{\frac{10}{\sqrt 12} }\)
= 1.732
Probability that the mean reading exceeds 95 wpm = P(\(\bar x\) >95)
= P(z>1.732)
= 1- P(z<1.732)
= 0.4582
[The value 0.4582 found from the area under the normal curve using tables].
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Choose the statement that best describes a scatter diagram. A. A random collection of points that illustrates the distribution of a variable, B. A graphical technique to show the relationship between two variables, C. A plot that shows how the observations are scattered within the range of the variable.
A scatter diagram is a graphical technique to show the relationship between two variables.
A scatter diagram, also known as a scatter plot or scattergraph, is a visual representation of the relationship between two variables. It consists of a collection of points on a graph, with each point representing the values of both variables for a specific observation or data point. The horizontal axis represents one variable, while the vertical axis represents the other variable.
The scatter diagram helps us understand the relationship between the two variables. If there is a clear pattern or trend in the points, it indicates a strong relationship between the variables. For example, if the points form a straight line sloping upwards from left to right, it suggests a positive correlation, meaning that as one variable increases, the other variable also tends to increase. Conversely, if the points form a downward sloping line, it indicates a negative correlation.
On the other hand, if the points are scattered randomly across the graph, with no discernible pattern, it suggests little or no relationship between the variables. This random scattering of points illustrates the distribution of the variable values.
In summary, a scatter diagram is a powerful tool to visualize and analyze the relationship between two variables. By examining the pattern or lack thereof in the scatter plot, we can gain insights into the nature of their association.
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