The mean of the data is x(bar) = 41.396
The Median of the data is $40.76
The mode of all the values are appearing once and therefore there is no mode for the phone bill.
Now, According to the question:
Given the data:
$35.34, $42.09, $39.43, $38.87, $43.39, $49.26
Mean is the average of the data computed as x(bar) = Σ[tex]x_i[/tex] /n where [tex]x_i[/tex]
are the data points and n is the number of data points
x(bar) = 35.34 + 42.09 + 39.43 +38.87 +43.39 + 49.26 / 6
x(bar) = 248.38 /6
x(bar) = 41.396
The median is the data point that lies in the middle of the data set when the data is arranged in ascending or descending order.
Thus,
Ascending order:
$35.34, $38.87, $39.43, $42.09, $43.39, $49.26
The median lies between $39.43 and $42.09 and to get it, we find the average of the two numbers
Median = (39.43 + 42.09)/ 2
Median = $40.76
→ Mode is the value in a data set that is repeated most frequently. In the given data, all the values are appearing once and therefore there is no mode for the phone bill.
Hence, The mean of the data is x(bar) = 41.396
The Median of the data is $40.76
The mode of all the values are appearing once and therefore there is no mode for the phone bill.
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What is the value of x?
Please help me
Answer:
x = 35
Important things to know:
1. A + (x + 110) will equal 180 degrees
2. The interior angles of a triangle will equal 180 degrees.
With these two pieces of knowledge, you can substitute the value of A as "180 - (x+110)" because A = 180-(x+110)
Step-by-step explanation:
a rectangle is 19 feet long and 3 feet wide find the area
The area of a rectangle is given as:
Area = Length x width
The area of the rectangle is 57 square feet.
What is a rectangle?A rectangle is a two-dimensional shape where the length and width are different.
The area of a rectangle is given as:
Area = Length x width
We have,
Length = 19 feet
Width = 3 feet
The area of the rectangle.
= 19 x 3
= 57 square feet.
Thus,
The area of the rectangle is 57 square feet.
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11/x = 13/17 round answer to the nearest tenth
Answer:
To solve this equation, you can use cross multiplication to eliminate the fractional terms. Doing so gives you 11 * 17 = 13 * x. Solving for x gives you x = (11 * 17)/13. Dividing these two numbers gives you approximately x = 8.46. Rounding this number to the nearest tenth gives you x = 8.5. Therefore, the value of x that makes the equation true is approximately 8.5.
Which of the options is a solution for the following system of inequalities?
2x+y >3
x-y >1
O (5,-2)
O (0,-5)
O (0,0)
O (0,5)
The solution for the given system of inequalities is (5,-2). which is the correct answer would be an option (A).
The first inequality, 2x + y > 3, can be rewritten in slope-intercept form as y > -2x + 3. This represents a line with a slope of -2 and a y-intercept of (0,3).
The second inequality, x - y > 1, can also be rewritten in slope-intercept form as y < x - 1. This represents a line with a slope of 1 and a y-intercept of (0,-1).
When you graph these two lines, you will get two lines that intersect at some point. The region of the graph that satisfies both inequalities will be the area that is bounded by these lines and lies above or below them, depending on the inequality symbol.
In this case, the solution to the system of inequalities is the region of the graph that is above the line y = -2x + 3 and below the line, y = x - 1. This region is shaded in the graph below.
From the graph, you can see that the solution includes all points in the shaded region. You can also see that points B (0,-5), C (0,0) , and D (0,5) is not included in the solution, while point A (5,-2) included in the solution.
Therefore, the correct answer is A (5,-2).
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One month Trey rented three movies and five video games for a total of $35. The next month he rented six movies and two video games for a total of $20. Find the rental cost for each movie and each video game.
The rental cost for each movie and each video game is 2.25.
One month Trey rented three movies and five video games for a total of 35.
3 M + 5V = 33
6 M + 2 V = 24
Divides bottom equation by 2:
3 M + 5 V = 35
3 M + V = 20
subtracts:
4V = 21
V = 21/4 = $5.25
3 M + 5.25 = 12
3 M = 6.75
M = 2.25
Let x = cost to rent a movie and y = cost to rent a video game
3x + 5y = 33
6x + 2y = 24
Multiply the first equation by -2:
-6x - 10y = -66
6x + 2y = 24
Add the equations to get -8y = -42
So, y = 5.25 and x = 2.25.
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Simplify
A. 8a5
B. 8a6
C. 16a5
D. 16a6
PLEASE ANSWER CLEARLY WITH THE EQUATION
Aisha is working two summer jobs, making $7 per hour babysitting and $8 per hour landscaping. Last week Aisha worked 2 more hours babysitting than hours landscaping and earned a total of $134. Write a system of equations that could be used to determine the number of hours Aisha worked babysitting last week and the number of hours she worked landscaping last week. Define the variables that you use to write the system.
After solving the provided question, Aisha spent 7.9 hours and 9.9 hours, respectively, working last week as a babysitter and a landscaper.
Which is an equation?A mathematical statement that has at least two terms, both of which contain variables or equal integers, is defined as an equation.
Aisha is reportedly working two summer jobs, earning $7 an hour for babysitting and $8 an hour for gardening.
Let's say you were to watch the children for x hours.
And y would be the amount of hours spent on landscaping.
Last week, Aisha spent two more hours babysitting than a landscaper, earning a total of $134.
[tex]y = x + 2\\7x + 8y = 134\\Substitute the value of y = x + 2 in the equation,\\7x + 8(x + 2) = 134\\7x + 8x + 16 = 134\\15x = 134 - 16\\15x = 118\\x = 118/15\\x = 7.9\\Substitute the value of x = 7.9 in the equation y = x + 2 ,\\y = 7.9 + 2\\y = 9.9\\[/tex]
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Critique each of the following proposed research plans. Your critique should explain any problems with the proposed research and describe how the research plan might be improved. Include a discussion of any additional data that need to be collected and the appropriate statistical techniques for analyzing the data.
(a) A researcher is interested in determining whether a large firm is guilty of gender bias in setting wages. To determine potential bias, the researcher collects salary and gender information for all of the firm’s employees. The researcher then plans to conduct a "difference in means" test to determine whether the average salary for women is significantly different from the average salary for men.
(b) A researcher is interested in determining whether time spent in prison has a permanent effect on a person’s wage rate. He collects data on a random sample of people who have been out of prison for at least fifteen years. He collects similar data on a random sample of people who have never served time in prison. The data set includes information on each person’s current wage, education, age, ethnicity, gender, tenure (time in current job), and occupation, as well as whether the person was ever incarcerated. The researcher plans to estimate the effect of incarceration on wages by regressing wages on an indicator variable for incarceration, including in the regression the other potential determinants of wages (education, tenure, and so on).
The information provided indicates that the means test is too narrow because it excludes factors like the type of engineer, amount of education, and experience. The type of engineer or educational level may be a reflection of the gender with lower earnings.
Additional information on the factors, including gender, education, and the type of engineer, could enhance the research.
Then, it is advised to build a multiple regression where the wage is the dependent variable and the other four variables are independent variables. The "difference in means" test is not appropriate for identifying gender bias in salary setting due to the significance of the omitted variable.
The variables which are likely useful to add to the regression to control for important omitted variables are excessive drug or alcohol use and their gang activity.
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A stone is dropped from the edge of a roof, and hits the ground with a velocity of −165 feet per second. Assume the acceleration due to gravity is -32 feet per second squared. How high (in feet) is the roof?
Answer:
425.39 ft
Step-by-step explanation:
[tex]\frac{1}{2}mv^2=mgh\\\frac{1}{2}v^2=gh\\v^2=2gh[/tex]
h = [tex]\frac{v^2}{2g} = \frac{165^2}{2 * 32}=\frac{27225}{64}=425.39ft[/tex]
URGENT!! ILL GIVE BRAINLIEST!!!! AND 100 POINTS!!!
cylinder
A cylinder is a three-dimensional solid figure with two identical circular bases connected by a curved surface at a specified distance from the center, which is the height of the cylinder. Toilet paper wicks and cold drink cans are examples of cylinders.
A cone is a three-dimensional shape that smoothly narrows from a flat base (usually a circular base) to a point called the vertex or apex that forms the axis to the center of the base. A cone can also be defined as a pyramid with a circular cross-section instead of a cone with a triangular cross-section. These cones are also known as circular cones.
The cylinder and cone have the same radius because they both have the same base area.
The volumes of the cylinder and the cone are equal,
Cylinder Volume = Cone Volume
; Ûr2h=1/3 Ûr2h
(5×5)= 1/3×5×h
h=12
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Jason bought two different types of boards to make picture frames. He bought a red cedar board and will cut it into eight 10.25-inch pieces. He also bought a tiger maple board that he will cut into sixteen 10.5-inch pieces. Determine the difference between the boards’ total lengths.
The difference between the boards’ total lengths is 86 inches.
What is a numerical expression?A numerical expression is a mathematical statement written in the form of numbers and unknown variables. We can form numerical expressions from statements.
The difference between the total lengths of the boards is the positive value when we subtract one from another.
The total length of the red cedar board is = (8×10.25) = 82 inches.
The total length of the tiger maple board is = (16×10.5) = 168 inches.
∴ The difference is (168 - 82) = 86 inches.
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A movie theater has a seating capacity of 367. The theater charges $5.00 for children, $7.00 for
students, and $12.00 of adults. There are half as many adults as there are children. If the total ticket
sales was $2660 on a sold out night, how many children, students, and adults attended?
Number of children adults and students who attended the theatre is 182 , 91 , 94 respectively
Let Number of Children in theatre = c
Let Number of Adults in theatre = a
Let Number of Students in Theatre =s
Total money earned by selling the tickets = $2660
According to the given information
c + s + a = 367
a = c/2
5c + 7s + 12a = 2660
5c + 5s + 5a = 5(367)= 1835
Using elimination and substitution method
subtract
2s +7a = 2660-1835 = 825
2s +7(c/2) = 2s +7c/2 = 825
4s +7c = 1650
c + s + c/2 = 367
2c + 2s + c =734
2s + 3 c =734
4s + 6c=1468
4s + 7c =1650
c = 182 children
a= 91 adults
s = 367-273 = 94 students
Number of children adults and students who attended the theatre is 182 , 91 , 94 respectively
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What strategy will you use to find the constant of proportionality
After writing y = kx, we'll solve for k putting the given corresponding values of x and y.
What are ratio and proportion?A ratio is a comparison between two similar quantities in simplest form.
Proportions are of two types one is the direct proportion in which if one quantity is increased by a constant k the other quantity will also be increased by the same constant k and vice versa.
In the case of inverse proportion if one quantity is increased by a constant k the quantity will decrease by the same constant k and vice versa.
Suppose we have two variables x and y and they are directly proportional and some values of x and y are given.
If we see that y has a bigger corresponding value than x, we'll write
y = kx,
In the case of inverse variation, we write y = k/x.
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Romney bought a car with $6000 down payment, and paid the remaining cost by installments, which totaled $15000. Romney then sold the car after 10 years for $5500. How much did driving this car cost Romney per year?
Hence, the driving second car cost Romney per year pays is $ [tex]16364[/tex].
What is the selling price?
The selling price of a product or service is the seller’s final price, i.e., how much the customer pays for something. The exchange can be for a product or service in a certain quantity, weight, or measure.
Here given that,
Romney bought a car with $[tex]6000[/tex] down payment, and paid the remaining cost by installments, which totaled $[tex]15000[/tex]. Romney then sold the car after [tex]10[/tex] years for $[tex]5500[/tex].
So, he sold his car in $[tex]15000(6000)=90000000[/tex].
And he is paying installment in every month which is $ [tex]15000[/tex].
So, in case of second car he paied $ [tex]5500[/tex] and his installments of every month would be
[tex]\frac{90000000}{5500}=16364[/tex] $
Hence, the driving second car cost Romney per year pays is $ [tex]16364[/tex].
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Susan plans to attend college in 3 years. She will need $ 17,400 for the first-year cost. Her uncle gave her a special gift of $12,000 to use toward the cost. How much must Susan save each month to have enough for the first-year cost?
Answer:
$150 per month
Step-by-step explanation:
Susan plans to attend college in 3 years. She will need $ 17,400 for the first-year cost. Her uncle gave her a special gift of $12,000 to use toward the cost. How much must Susan save each month to have enough for the first-year cost?
17,400 - 12,000 = $5,400 Susan needs to pay in 3 years.
3 years = 36 months
$5,400/36 = $150 per month
Question 4
What is the solution of the equation? Prove your answer to be correct.
1/3(6z + 7.2) = 0.5(8z + 2) - 0.4
a. z = 0.8
b. z = 0.9
c. Z = 2.8
d. z = 3.6
The value of z in the equation 1/3(6z + 7.2) = 0.5(8z + 2) - 0.4 is z=0.9
How to solve the equation?
Remove parentheses from each side of the equation and combine similar phrases to make it simpler.To separate the variable term on one side of the equation, use addition or subtraction.To find the variable, use division or multiplication.The algebraic expression should often take one of the following forms: addition, subtraction, multiplication, or division.Bring the variable to the left and the remaining values to the right to determine the value of x. To determine the outcome, simplify the values.1/3(6z + 7.2) = 0.5(8z +2) -0.4
(6/3)z + 7.2/3 = (8/2)z + 2/2 - 0.4
2z + 2.4 = 4z + 1 - 0.4
2z - 4z = 0.6 - 2.4
-2z = -1.8
z= 0.9
Hence, the value of z in the equation 1/3(6z + 7.2) = 0.5(8z + 2) - 0.4 is z=0.9
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Identify the function given of y=|20x+15|
Hello,
I hope you and your family are doing well!
The function y = |20x+15| is an absolute value function. Absolute value functions have the form y = |f(x)|, where f(x) is a linear function.
In this case, the linear function is 20x+15, so the absolute value function is:
y = |20x+15|
The absolute value function takes the absolute value of the output of the linear function. This means that if the output of the linear function is positive, the absolute value function returns the same value. If the output of the linear function is negative, the absolute value function returns the opposite of that value.
For example, if x = -1, then the output of the linear function is 20(-1)+15 = -5. The absolute value of -5 is 5, so the absolute value function returns y = 5.
On the other hand, if x = 1, then the output of the linear function is 20(1)+15 = 35. The absolute value of 35 is 35, so the absolute value function returns y = 35.
Overall, the absolute value function returns the distance of the output of the linear function from 0, without considering the sign of the output.
----
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If a number is added to its reciprocal, the result is 5/2. Find the numbers
According to the question
Let the number be x
[tex]x+\frac{1}{x}=\frac{5}{2} \\\\\ \frac{x^{2}+1}{x} = \frac{5}{2} \\\\\\\ By \\ cross-multiplication \\\\x^{2}+1 = \frac{5}{2} * x\\\\2x^{2}+2 = 5x\\\\2x^{2}-5x+2 = 0\\\2x^2-4x-1x+2 = 0\\2x(x-2)-(x-2)=0\\(2x-1)(x-2)=0\\\\therefore,\\\\x = \frac{1}{2}\\or\\x = 2[/tex]
Scott can eat at most 15 muffins without feeling sick. If Scott is feeling sick, which range best describes the number of muffins he might have eaten?
WRITE AS AN INEQUALITY EQUATION
WILL BE REPORTED BY ALL 51 OF MY ACCOUNTS
Answer: Muffins > 15 (Greater than 15)
Step-by-step explanation: If the most Scott can eat without feeling sick is 15 muffins, this means that any more muffins would make him sick. The amount of muffins to make Scott sick would have to be greater than 15.
A C=26
9 units
1.8 units
The value of X is 9 units it is solved by using the properties of Similar Triangles
What are Similar Triangles?
Two objects are comparable in Euclidean geometry if they have the same form or one has the same shape as the mirror image of the other. More exactly, one can be created by evenly scaling the other, potentially with extra translation, rotation, and reflection.
Solution:
In the given question
Triangle ABC and Triangle DEC are similar by AAA property
By using the properties of Similar Triangle
We can say that AC/DC = BC/EC
26/8 = (x+4)/4
13 = x + 4
x = 9 units
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Use the formula A=P(1+r/n)ⁿ⁺ to solve the compound interest problem
Find how long it takes for $ 900 to double if it is invested at 6 % interest compounded monthly.
The money will double in value in approximately years.
(Do not round until the final answer. Then round to the nearest tenth as needed.)
The time when the money will double is 11.6 years
How to determine the time when the money will double?From the question, we have the following parameters that can be used in our computation:
Principal amount, P = $900Rate of interest, R = 6%Number of years = tNumber of times compounded, n = 12 i.e. monthlyWhen the money doubles, the amount is
A = 900 * 2
A = 1800
The compound interest formula is given as
A = P(1 + r/n)^nt
Also from the question, we have
n = 12
This is so because the loan is compounded 12 times in a year as a result of being compounded monthly
Solving further, we replace the variables with their values in the above equation
1800 = 900 * (1 + (6%)/12)^(t*12)
Divide both sides by 900
2 = (1 + (6%)/12)^(t*12)
Also, we have
2 = (1.005)^(t*12)
Take the logarithm of both sides
12t = log(2)/log(1.005)
Evaluate the quotients
12t = 139
Divide both sides by 12
t = 11.6
Hence, the number of years is 11.6 years
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Consider a circle whose equation is x2 + y2 – 2x – 8 = 0. Which statements are true? Select three options. The radius of the circle is 3 units. The center of the circle lies on the x-axis. The center of the circle lies on the y-axis. The standard form of the equation is (x – 1)² + y² = 3. The radius of this circle is the same as the radius of the circle whose equation is x² + y² = 9.
The center of the circle lies on the x-axis. The radius of the circle is 3 units. The radius of this circle is the same as the radius of the circle whose equation is x² + y² is 9.
What is radius of a circle?The radius of a circle is the distance between the circle's centre and any point on its circumference. It is usually represented by the letters 'R' or 'r'. This number is significant in almost all circle-related formulas. A circle's area and circumference are also measured in terms of radius.
The standard equation of a circle is expressed as:
x² + y²+2gx+2fy+C=0
Centre is (-g, -f)
radius = √g²+f²-C
Given a circle whose equation is 2+ y²-2x-8=0.
Get the centre of the circle
2gx = -2x
2g=-2
g=-1
Similarly, 2fy = 0
f=0
Centre = (-(-1), 0) = (1, 0)
This shows that the center of the circle lies on the x-axis
r = radius = √g²+f²-C
radius = √1²+02-(-8)
radius =√9 = 3 units
The radius of the circle is 3 units.
For the circle x² + y² = 9, the radius is expressed as:
r² = 9
r = 3 units
Hence the radius of this circle is the same as the radius of the circle whose equation is x² + y² = 9.
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For the following, find the arc length:
(Use \large \pi=3.14 and round your final answer to the hundredths.)
x=_________
Answer:
x = 10.47
Step-by-step explanation:
circumference = 2 * 10 * π = 20π
centre angle of a circle (in radiant) = 2π
x : 20π = π/3 : 2π
x = (20π * π/3)/ 2π
x = 10 * π/3
x = 10π/3
x = 10.466667
x = 10.47
determine if the point (2, -3) is a solution to the system 2x + 5y = 11 and 3x - 2y = 1
Step-1) Determine the value of the x and y variables
To verify if (2, -3) is a solution to the system of equations provided in the question, we will need to determine the value of the x and y variables.
To do this, we will have to compare the coordinates of the point (2, -3) with the "original form" of the coordinate point (x, y). Then, we will have to identify the values (from the coordinates) in their respective order.
Example: (4, 5) = (x, y) ⇒ x = 4; y = 5
Step-2) Substitute the x and y values into one of the equations
The next step is to substitute the value of the variables. This is a required step for the coordinate provided to be verified. Once you substitute the value of the variables, you can move on to the next step process.
Step-3) Simplify the equation completely until it is in simplified form
Then, we will have to simplify the equation completely.
This is also a required step because simplifying is a process where we can convert an expression to a specific numerical value, which can help us create final conclusions to a problem. It can also help us obtain a specific numerical value from any large/small expression provided.
Step-4) Compare both sides and verify if they are equal/not equal
If both sides of the equation do not receive the same value, then the point (2, -3) is not a solution to the provided system of equation.
Part II: Verify if the point is a solution of the equations:Given Information (Provided in the question):
Equation 1: 2x + 5y = 11 Equation 2: 3x - 2y = 1Step-1) Determine the x and y variables from the coordinates:
(2, -3) = (x, y) ⇒ x = 2; y = -3Step-2) Substitute the variables into any equation:
⇒ 2x + 5y = 11 ⇒ 2(2) + 5(-3) = 11Step-3) Simplify both sides of the equation:
⇒ 2(2) + 5(-3) = 11 ⇒ 4 + (-15) = 11 ⇒ 4 - 15 = 11 ⇒ -11 ≠ 11Therefore, (2, -3) is not a solution to the system of equations.
Find the sum.
(4x² + x − 4) + (2x² + 4x + 5) =
20 POINTS PEASE
Answer:
6x² + 5x + 1
Step-by-step explanation:
(4x² + x − 4) + (2x² + 4x + 5)
1. Expand the brackets to get
4x² + x − 4 + 2x² + 4x + 5
2. Group common terms (terms with same power as well as the constant)
4x² + 2x² + x + 4x - 4 + 5
3. Simplify
4x² + 2x² = 6x²
x + 4x = 5x
-4 + 5 = 1
4. Solution is
6x² + 5x + 1
In one tailed T-test, if the test statistics ist and to is the t-value under null hypothesis, then p-value = Prít > to alternate hypothesis is true) if ty > O and p-value = Pr(t < to alternate hypothesis is true) if to < 0. O True O False U
In a one-tailed T-test, if the test statistics and the t-value are under the null hypothesis, then p-value = ρ > to alternate hypothesis is true.
Critical zones in hypothesis testing are ranges of distributions where the values correspond to outcomes that are statistically significant. Analysts set the significance level (alpha) and whether the test is one-tailed or two-tailed in order to determine the size and location of the key regions.
The likelihood of rejecting an accurate null hypothesis is the significance level.
A test statistic's sample distribution assumes that the null hypothesis is true.
As a result, you need to shade the necessary fraction of the distribution to depict the crucial areas on the distribution for a test statistic. You shade 5% of the distribution using the typical significance threshold of 0.05.
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Using complete sentences, explain thoroughly what is meant by the given formula:
a 1 =
: 10
an = an-1+4
The meaning of the given formula is that the first term (a₁) is equal to the nth term (aₙ) of a sequence multiplied by 10 and it is also equal to the preceding nth term (aₙ₋₁) of a sequence plus four (4).
What is an arithmetic sequence?In Mathematics, an arithmetic sequence can be defined as a series of real and natural numbers in which each term differs from the preceding term by a constant numerical quantity.
How to calculate the nth term of an arithmetic sequence?Mathematically, the nth term of an arithmetic sequence can be calculated by using this expression:
aₙ = a₁ + (n - 1)d
Where:
d represents the common difference.a₁ represents the first term of an arithmetic sequence.n represents the total number of terms.Based on the information provided, we can logically deduce that the first term (a₁) of the arithmetic sequence can either be calculated by multiplying the nth term (aₙ) by ten 10 or adding four (4) to the preceding nth term (aₙ₋₁) of the arithmetic sequence.
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Solve the systems of equations graphed on the coordinate axes below.
The solution of the system of equation y = -x + 3 and y = 3x + 7 will be (-1,4).
What is the equation?The definition of an equation in algebra is a mathematical statement that demonstrates the equality of 2 mathematical expressions.
More than one variable may be present inside a linear equation. An equation is said to be linear if the maximum power of the variable is consistently unity.
As per the given system of equations,
y = -x + 3 and y = 3x + 7
Compare both,
3x + 7 = -x + 3
3x + x = 3 - 7
x = -1
y = -(-1) + 3 = 4
So the solution will be (-1,4).
Hence "The system of equations y = -x + 3 and y = 3x + 7 will have the following solution: (-1,4).".
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In class of students, the following data table summarizes how many students play and instrument or a sport. What is the probability that a student who plays a sport also plays an instrument?
A student selected at random from the class has a 0.5 is 50% chance of not participating in sports, according to the probability notion.
What is the probability?A probability is calculated by dividing the entire number of possible outcomes by the desired outcomes.
In this issue:
The total number of students is 30 (8 + 7 + 3 + 12).
3 + 12 = 15 of the total don't participate in sports.
Hence:
p =D/T = 15/30 = 0.5
There is a 50% chance that a student who was randomly selected from the class does not participate in sports.
A student selected at random from the class has a 0.5 is 50% chance of not participating in sports, according to the probability notion.
The complete question is :in a class of students, the following data table summarizes how many students playing instrument or a sport. What is the probability that student plays an instrument given that they play a sport?
play an instrument and a sport: 3
play an instrument but does not play a sport: 8
does not play an instrument but plays a sport: 7
does not play an instrument or a sport: 12
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35 POINTS use photo
What is the first equation?
3x - 3y =
What is the second equation?
3x + y=-6
The equations are 3x - 3y = 4 and 3x + 2y = -6.
What is a system of linear equations in matrices?
A system of linear equations can be represented in matrix form using a coefficient matrix, a variable matrix, and a constant matrix. Consider the system, 2x+3y=85 and x−y=−2. The coefficient matrix can be formed by aligning the coefficients of the variables of each equation in a row.
In the given matrix,
The first equation would be
3x - 3y = 4
and the second equation would be
3x + 2y = -6
Hence, the equations are 3x - 3y = 4 and 3x + 2y = -6.
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