The solutions to the equation x^(2/3) + x^(1/3) - 6 = 0 are x = -27 and x = 8.
To solve the given equation x^(2/3) + x^(1/3) - 6 = 0, we can make a substitution to simplify the equation.
Let's substitute a new variable, let's say y, as x^(1/3).
Therefore, y = x^(1/3).
Now, we can rewrite the equation using y:
y^2 + y - 6 = 0
This is now a quadratic equation in terms of y.
To solve this quadratic equation, we can factor it:
(y + 3)(y - 2) = 0
Setting each factor equal to zero, we have:
y + 3 = 0 or y - 2 = 0
Solving for y in each case:
Case 1: y + 3 = 0
y = -3
Case 2: y - 2 = 0
y = 2
Now, we need to substitute back for y in terms of x:
Case 1: y = -3
x^(1/3) = -3
Cubing both sides, we get:
x = (-3)^3
x = -27
Case 2: y = 2
x^(1/3) = 2
Cubing both sides, we get:
x = 2^3
x = 8
Therefore, the solutions to the equation x^(2/3) + x^(1/3) - 6 = 0 are x = -27 and x = 8.
Learn more about equation from
https://brainly.com/question/29174899
#SPJ11
The doubling period of a bacterial population is 15 minutes. At time t=120 minutes, the bacterial population was 60000.
What was the initial population at time t = 0?
Find the size of the bacterial population after 5 hours
The initial population at time t = 0 was approximately 234. The size of the bacterial population after 5 hours is approximately 2,464,154.
For the initial population at time t = 0, we can use the concept of doubling time. The doubling period of 15 minutes means that the population doubles every 15 minutes.
So, if the population was 60000 at time t = 120 minutes, we can work backwards to find the initial population.
Since the doubling period is 15 minutes, we can calculate the number of doubling periods that have occurred from time t = 0 to t = 120 minutes. In this case, 120 minutes divided by 15 minutes equals 8 doubling periods.
Since the population doubles with each doubling period, we can divide the population at t = 120 minutes by 2 raised to the power of the number of doubling periods.
In this case, the initial population would be 60000 divided by 2 raised to the power of 8, which is 60000 / (2^8) = 234.375.
Therefore, the initial population at time t = 0 was approximately 234.
For the size of the bacterial population after 5 hours (300 minutes), we can calculate the number of doubling periods that occur in 300 minutes. 300 minutes divided by 15 minutes equals 20 doubling periods.
Using the formula for exponential growth, we can find the population after 20 doubling periods.
The population after 20 doubling periods would be the initial population multiplied by 2 raised to the power of 20. In this case, the population after 5 hours would be 234 * (2^20) = 2464153.6.
Therefore, the size of the bacterial population after 5 hours is approximately 2,464,154.
To know more about initial population refer here:
https://brainly.com/question/11760063#
#SPJ11
Sam and Adam share a sum of money in the ratio 7:9 What fraction of the money does Sam receive?
The fraction of the money that Sam receives is \(\frac{7}{16}\) of the money they share.
To solve this problem, we need to first understand what the ratio 7:9 means. It means that for every 7 parts that Sam receives, Adam receives 9 parts.
Let's say the sum of money they are sharing is $100. To find out how much Sam receives, we need to divide the total amount into 16 parts (7 + 9).
Each part would then be worth $6.25 ($100 ÷ 16).
To find out how much Sam receives, we need to multiply the number of parts he receives by the value of each part.
Sam receives 7 parts out of 16, so his share would be 7 x $6.25 = $43.75.
To express this as a fraction, we can put Sam's share over the total amount:
\(\frac{43.75}{100}\)
We can simplify this fraction by dividing both the numerator and denominator by 25:
\(\frac{1.75}{4}\)
Therefore, the fraction of the money that Sam receives is \(\frac{1.75}{4}\) or \(\frac{7}{16}\).
In summary, Sam receives \(\frac{7}{16}\) of the money they share, which is equivalent to $43.75 if the total amount they are sharing is $100.
Learn more about ratio here:
https://brainly.com/question/31945112
#SPJ11
How many obtuse angles can a triangle have?
Answer:
one
Step-by-step explanation:
The admission to an amusement park costs $20 plus $4 per ride. Use the explicit rule f n = 4n+ 20 to complete the table and to determine the total cost of going on n rides at the amusement park. slove!
Answer:
I'll help you tomorrow ok
In circle S with m RST = 42 and
RS = 3 units, find the length of arc RT.
Round to the nearest hundredth.
Answer:
2.20
Step-by-step explanation:
First, change 42° to radian
42/180 * π = 0.733 rad
The length of the arc = 3 * 0.733 = 2.20
The required measure of the arc RT is given as 2.512 units.
Given that,
In circle S with m RST = 42 and
RS = 3 units,
The circle is the locus of a point whose distance from a fixed point is constant i.e center (h, k). The equation of the circle is given by
(x - h)² + (y - k)² = r²
Where h, k is the coordinate of the center of the circle on the coordinate plane and r is the radius of the circle.
Here,
Arc = radius × angle
Arc = 3 × 42 × π/180
The length of the arc = 2.512
Thus, the required measure of the arc ET is given as 2.512 units.
Learn more about circle here:
brainly.com/question/11833983
#SPJ2
The concept that a message gives different meanings to different objects is called _____.
a. ​encapsulation
b. ​polymorphism
c. ​linear addressing
d. ​dynamic addressing
The concept that a message gives different meanings to different objects is called option (b) polymorphism.
Polymorphism is a fundamental concept in object-oriented programming (OOP) that allows different objects to respond to the same message or method invocation in different ways. In other words, it allows objects of different classes to be treated as if they were of the same class, as long as they implement the same method or message.
This can make code more flexible, reusable, and easier to maintain. Polymorphism is achieved through inheritance, interfaces, or overloading methods. For example, a "draw" method could be implemented differently for different shapes, such as circles, rectangles, or triangles.
Therefore, the correct option is (b) polymorphism
Learn more about Polymorphism here
brainly.com/question/14316421
#SPJ4
In the figures, area of triangle ABE is 25 cm2
and area of triangle CED is 30 cm2. Find the
area of triangle BEC and parallelogram ABCD.
Answer:
sorry where is figure.
Step-by-step explanation:
area of triangle ABE=area of triangle BE3
Without using a calculator, fill in the blanks with two consecutive integers to complete the following inequality.
The two consecutive integers that will make the inequality true are 13 and 14.
What is Inequality?inequality, is a statement of an order relationship—greater than, greater than or equal to, less than, or less than or equal to—between two numbers or algebraic expressions.
If you check for the square root of 181 \(\sqrt{181}\) is 13.453
And the two consecutive integers smaller than 13.45 and greater than 13.45 are 13 and 14 respectively.
In conclusion, the two consecutive integers for the expression are 13 and 14.
Learn more about inequality: https://brainly.com/question/25275758
#SPJ1
how to tell if a polynomial is constant, linear, quadratic, cubic, or quartic
Answer:
To tell if a polynomial is constant, linear, quadratic, cubic or quartic, you must first look at the highest power of the variable in the polynomial. If the highest power is 0, then the polynomial is a constant. If the highest power is 1, then it is a linear polynomial. If the highest power is 2, then it is a quadratic. If the highest power is 3, then it is a cubic and finally, if the highest power of the variable is 4, then the polynomial is a quartic.
Step-by-step explanation:
Samir heard that blueberries and cranberries were "superfoods," so he decided to eat a lot of
them. He went to the store and bought a pound of blueberries and a pound of cranberries. He
ate the berries steadily on Monday, Tuesday, Wednesday, and Thursday until they were gone.
How many pounds of berries did Samir eat each day?
Write your answer as a proper fraction or mixed number.
pounds
Answer:
1/2
Step-by-step explanation:
2 pounds divided by 4 days
Answer: 1/2
Step-by-step explanation:
2 pounds in 4 days so, 2 divided by 4 is 1/2
12m 8m 5m 5m 15m area of irregular figures
The area of the figure can be obtained by splitting the figure into smaller components
The area of the irregular figure = Area of A + Area of B + Area of C
Area of A = L X B = 12 x 7 = 84 sq meters
Area of B = L X B = 5 X 8 = 40 sq meters
Area of C = L X B = 5 x 8 = 40 sq meters
Total area = 84 + 40 + 40 = 164 sq meters
What is the simplest form of StartRoot 1,764 EndRoot?
The Simplest form of the square root of 1,764 is 42. This means that the square root cannot be simplified any further, since 42 is already an integer and cannot be expressed as a fraction or a decimal.
The simplest form of the square root of 1,764 is 42.
To understand why, it's helpful to know what a square root is. A square root is a mathematical operation that finds the number which, when multiplied by itself, gives a certain number. For example, the square root of 25 is 5, because 5 multiplied by itself equals 25.
In the case of the square root of 1,764, we want to find the number that, when multiplied by itself, equals 1,764. To do this, we can use a calculator or do it manually by trial and error. One way to do it manually is to start with a number and square it until we get 1,764.
For example, we could start with 10 and square it to get 100. Then we could try 20, which gives us 400. Continuing in this way, we eventually find that 42 multiplied by itself equals 1,764.
So, the simplest form of the square root of 1,764 is 42. This means that the square root cannot be simplified any further, since 42 is already an integer and cannot be expressed as a fraction or a decimal.
To know more about Simplest form.
https://brainly.com/question/344788
#SPJ11
A rectangular prism has a length of 18 feet, a height of 14 feet, and a width of 2 feet. What is its volume, in cubic feet?
Answer:
504
Step-by-step explanation:
14x18x2=
(14x18)x2=
252x2=
504
What is the rise and run of the line D
PLEASE HELPPPP ANSWER this QUESTION WITH PROPER EXPLAINATIONNNN BRainliest will be givennn
Answer:
rise: 1
run: 2
rise over run 1/2
Step-by-step explanation:
to find slope move up one over 2 to the left
Throwing a dart at a stationary dart board can be classified as a/an:_____.
Throwing a dart at a stationary dart board can be classified as a projectile motion.
:
When a dart is thrown at a stationary dartboard, it follows a curved path known as projectile motion. Projectile motion occurs when an object is launched into the air and moves along a curved trajectory under the influence of gravity, with no other external forces acting on it. In this case, the dart is subjected to the force of gravity but doesn't experience any significant air resistance or external forces once it leaves the hand of the thrower.
The motion of the dart can be described using principles of kinematics. The dart moves in two dimensions: horizontally and vertically. The horizontal motion is uniform and unaffected by gravity, while the vertical motion is influenced by the force of gravity acting in the downward direction. The dart follows a parabolic path, with its maximum height reached at the peak of the trajectory.
To determine the distance and accuracy of the dart throw, various factors need to be considered, such as the initial velocity, launch angle, and the height of the dartboard. These factors can be used to calculate the range, time of flight, and maximum height of the dart.
Throwing a dart at a stationary dartboard involves projectile motion, where the dart follows a curved path influenced by gravity. Understanding the principles of projectile motion can help improve accuracy and distance in dart throwing by considering factors like initial velocity and launch angle. By mastering the art of projectile motion, dart players can enhance their skills and aim for higher scores on the dartboard.
To know more about Projectile Motion, visit
https://brainly.com/question/10680035
#SPJ11
help meeeeeeeeeeeeeeeeeeee pleaseee rnnnn rn!!!!
At 2.5 and 5.4 seconds, the ball will be 213 feet from the ground
What are functions?A function is defined as a relation between a set of inputs having one output each.
In simple words, a function is a relationship between inputs where each input is related to exactly one output.
Every function has a domain and codomain or range.
How to determine the time?In this case, we simply input the value of s = 213 and solve the quadratic equation
s(t) = -16t² + 126t
So, we have
213 = -16t² + 126t
Collect the like terms
-16t² + 126t - 213 = 0
Using a graphing tool, we have
t = 5.4s and t = 2.5s
This means that the ball will be 213 ft from the ground at 5.4 seconds and 2.5 seconds
learn more on functions here;
https://brainly.com/question/6561461
#SPJ1
Which number approximates 837,796
The approximation or the rounding off number is A = 840,000
Given data ,
Let the number be represented as n
Now , let the rounded number be represented as A
where n = 837,796
And , number 837,796 can be approximated to the nearest ten thousand, which is 840,000
Hence , the rounded number is A = 840,000
To learn more about rounding off numbers click :
https://brainly.com/question/4896544
#SPJ1
What is the solution to the system of equations?
y=1/2x-6
x=-4
O (8,4)
O (4, -8)
O (4,4)
O (4,-4)
Answer:
(-4,-8)
Step-by-step explanation:
The solution to the system of equations is,
⇒ (- 4, - 8)
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 expressions are,
⇒ y = 1/2x - 6
⇒ x = - 4
Now, We can simplify the expression for y as;
⇒ y = 1/2x - 6
Put x = - 4;
⇒ y = 1/2 × - 4 - 6
⇒y = - 2 - 6
⇒ y = - 8
Thus, The solution to the system of equations is,
⇒ (- 4, - 8)
Learn more about the mathematical expression visit:
brainly.com/question/1859113
#SPJ7
Determine and prove whether the following vectors are spanning sets in R3 a) {(4,3,0)^T, (3, 1, 2)^T, (5,-1,-4)^T} (b) {(4,3,5)^T, (3, 1, -1)^T, (0,2,-4)^T (c) {(3,1,2)^T, (2, 4, 5)^T, (2,4,5)^T}
A. We can solve this system of equations to determine if it has a solution for any (x, y, z)ᵀ in ℝ³. If it does, then the given set is a spanning set.
B. 4a + 3b + 0c = x
3a + b + 2c = y
5a - c - 4c = z
C. We can determine if the vectors span ℝ³.
To determine whether a set of vectors is a spanning set in ℝ³, we need to check if any vector in ℝ³ can be expressed as a linear combination of the given vectors.
(a) {(4,3,0)ᵀ, (3,1,2)ᵀ, (5,-1,-4)ᵀ}
To check if this set is a spanning set, we need to determine if any vector (x, y, z)ᵀ in ℝ³ can be expressed as a linear combination of these vectors:
(x, y, z)ᵀ = a(4,3,0)ᵀ + b(3,1,2)ᵀ + c(5,-1,-4)ᵀ
Expanding this equation, we get the following system of equations:
4a + 3b + 5c = x
3a + b - c = y
2b - 4c = z
We can solve this system of equations to determine if it has a solution for any (x, y, z)ᵀ in ℝ³. If it does, then the given set is a spanning set.
(b) {(4,3,5)ᵀ, (3,1,-1)ᵀ, (0,2,-4)ᵀ}
To check if this set is a spanning set, we set up a similar system of equations:
4a + 3b + 0c = x
3a + b + 2c = y
5a - c - 4c = z
(c) {(3,1,2)ᵀ, (2,4,5)ᵀ, (2,4,5)ᵀ}
Again, we set up the system of equations:
3a + 2b + 2c = x
a + 4b + 4c = y
2a + 5b + 5c = z
Now, we can solve each system of equations to determine if they have solutions for any (x, y, z)ᵀ in ℝ³. If they do, then the corresponding sets are spanning sets in ℝ³.
By solving each system, we can determine if the vectors span ℝ³.
Learn more about equation from
https://brainly.com/question/29174899
#SPJ11
In 2019, the average full-time worker in the U.S. spent `8.5` hours working each workday. This is an increase on the average of `8.1` hours per workday in 2014. What is the percent change from 2014 to 2019? Round to the nearest tenth of a percent.
Answer 2019 /0.0047 /2014/ 0.493
Step-by-step explanation:
The percent change in average full-time worker in the U.S from 2014 to 2019 is 4.93%.
What is Percent Change?A percentage is a portion of a whole that is stated as a number between 0 and 100 as opposed to being expressed as a fraction.
The percentages of everything are 100%, nothing is 0%, 50% of something is 50%, and nothing is 0%.
Given:
In 2019, the average full-time worker in the U.S. spent `8.5` hours working each workday.
This is an increase on the average of `8.1` hours per workday in 2014.
So, Percent change = (Final value - initial value) / initial value x 100
Percent change = 8.5 - 8.1 / 8.1 x 100
Percent change = 4.93%
Thus, the percent change in average full-time worker in the U.S from 2014 to 2019 is 4.93%.
Learn more about the percent change here:
brainly.com/question/809966
#SPJ2
Krista divides a number by 10. Then
she divides the same number by 50.
Which quotient is greater? How can you tell?
Answer:
10
Step-by-step explanation:
The lower the number is, the higher the amount that the quotient will be
TRUE/FALSE. we use anova to test for differences between population means by examining the amount of variability between the samples relative to the amount of variability within the samples.
We use ANOVA to test for differences between population means by examining the amount of variability between the samples relative to the amount of variability within the samples. Hence, it is TRUE
What is ANOVA ?The statistical analysis tool known as analysis of variance (ANOVA) divides the observed aggregate variability present in a data set into two categories: systematic variables and random components. The random factors have no statistical impact on the presented data set, whereas the systematic factors do. The ANOVA test is used by analysts to ascertain how independent factors in a regression analysis affect the dependent variable.
ANOVA basically stands for analysis of the variance.
Analysis of variance, or ANOVA, is a statistical method that separates observed variance data into different components to use for additional tests.A one-way ANOVA is used for three or more groups of data, to gain information about the relationship between the dependent and independent variables.If no true variance exists between the groups, the ANOVA's F-ratio should equal close to 1Hence, according to above statements, given fact is true.
To learn more about anova, visit:
https://brainly.com/question/23638404
#SPJ4
if the sun is directly over the beanstalk, how many days after the beanstalk was planted would the beanstalk reach the sun? (the sun is 92,960,000 miles from the earth, and there are 5,280 feet in 1 mile.)
Solve and graph. Thank you so much.
Answer:
Step-by-step explanation:
-9 + b/4 >= -4
b/4 >= 5
b >= 20
the solution is d
two dice are rolled in a random experiment. (a) what is the probability that at most one is a six? (1 point) (b) if the two faces are different, what is the probability that at most one is a six?
a) The probability that at most one is a six is 5/6.
b) The probability that at most one is a six is 2/3.
In the question two dice are rolled in a random experiment and we have to find what is the probability that at most one is a six and if the two faces are different, what is the probability that at most one is a six.
a) The probability that at most one is a six is 5/6. There are only 6 possible outcomes when rolling two dice, and 5 of those outcomes involve at most one six: (1,2), (1,3), (1,4), (1,5), (2,5).
b) The probability that at most one is a six is 2/3. If the two faces are different, there are only 3 possible outcomes: (1,2), (2,3), (3,4). 2 of those outcomes involve at most one six: (1,2), (2,3). Thus, the probability is 2/3.
To learn more about probability link is here:
brainly.com/question/30034780
#SPJ4
a middle school has 520 students, 75% of the students ride the bus to school. How many students do not ride the bus to school?
Answer:
130 students do not ride the bus to school.
Step-by-step explanation:
520 * .75 = 390
390 students ride the bus to school.
520-390=130
130 students do NOT ride the bus to school.
Hope this helps! :)
John is 10 years younger than james . In 5 years time James will be twice as old as John 1. How old is John 2. what was their total age 3 years ago
Answer:
John is 5 nowtotal age 3 years ago was 14Step-by-step explanation:
When James is twice as old as John, the difference in their ages will be John's age: 10. That is 5 years from now, so John's age now is 10 -5 = 5.
John is 5 years old.
__
3 years ago, John was 2 and James was 12. Their total age at that time was 14.
Help!! I need to pass this class by the end of this week!!!!
Please do this question in your copy, make a table like we made in class, scan it, and upload it BB. You have total 1 hour for it.
Alfalah Islamic Bank needed PKR 1500,000 for starting one of its new branch in Gulshan. They have PKR 500,000 as an investment in this branch. For other PKR 1000,000 they plan to attract their customers insted of taking a loan from anywhere.
Alfalah Islamic Issued Musharka Certificates in the market, each certificate cost PKR 5,000 having a maturity of 5 years. They planned to purchased 100 shares themselves while remaining shares to float in the market. Following was the response from customers.
Name Shares
Fahad 30
Yashara 50
Saud 20
Fariha 40
Younus 25
Asif 35
Alfalah Islamic planned that 60% of the profit will be distributed amoung investors "As per the ratio of investment" While the remaining profit belongs to Bank. Annual report shows the following information for 1st five years.
Years Profit/(Loss)
1 (78,000)
2 (23,000)
3 29,000
4 63,000
5 103,500
Calculate and Identify what amount every investor Investor will recieve in each year.
I apologize, I am unable to create tables or upload scanned documents. However, I can assist you in calculating the amount each investor will receive in each year based on the given information.
To calculate the amount received by each investor in each year, we need to follow these steps:
Calculate the total profit earned by the bank in each year by subtracting the loss values from zero.
Year 1: 0 - (-78,000) = 78,000
Year 2: 0 - (-23,000) = 23,000
Year 3: 29,000
Year 4: 63,000
Year 5: 103,500
Calculate the total profit to be distributed among the investors in each year, which is 60% of the total profit earned by the bank.
Year 1: 0.6 * 78,000 = 46,800
Year 2: 0.6 * 23,000 = 13,800
Year 3: 0.6 * 29,000 = 17,400
Year 4: 0.6 * 63,000 = 37,800
Year 5: 0.6 * 103,500 = 62,100
Calculate the profit share for each investor based on their respective share of the investment.
Year 1:
Fahad: (30/100) * 46,800
Yashara: (50/100) * 46,800
Saud: (20/100) * 46,800
Fariha: (40/100) * 46,800
Younus: (25/100) * 46,800
Asif: (35/100) * 46,800
Similarly, calculate the profit share for each investor in the remaining years using the same formula.
By following the calculations above, you can determine the amount each investor will receive in each year based on their share of the investment.
To know more about Investor, visit
brainly.com/question/29797771
#SPJ11
Draw the graphs of the lines below on the same grid to find the coordinates of the point of
intersection.
y = x
y = 3x - 4
Answer:
(2,2) is the solution of the given lines.
Step-by-step explanation:
Given that,
y = x ..(1)
y = 3x-4 ...(2)
We need to find the coordinates of the point of intersection.
From equation (1) and (2).
x=3x-4
4 = 3x-x
4 = 2x
x = 2
Also,
y = 2
Hence, the coordinates of the point of intersection is (2,2).