Answer: i dont know all i want is the points
Salima wants to buy 10 rolls of wallpaper. She sees these prices. Wallpaper Single roll Pack of 3 rolls Pack of 5 rolls What is the cheapest price for 10 rolls? £9.20 £25.50 £43.05
The cheapest price for ten (10) rolls would be = £25.50. That is option B.
What are wallpapers?The wallpapers are those designed paper materials that are used in decoration of a room.
The total number of wall paper that Salima needs to buy= 10 rolls.
A single roll of wallpaper = £9.20
A pack of 3 rolls= £25:50
That is 1 roll = X
make X the subject of formula;
£x = 25.50/3
£x = £8.5
A pack of 5 rolls = £43.05
That is 1 roll = X
make X the subject of formula;
£x = 43.05/3
£x = 14.35
Therefore, the cheapest price that can be used to buy 10 rolls would be = £25.50 because one roll would be = £8.5.
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Answer:
Pack of 3 rolls (total of £85.70
Step-by-step explanation:
25.5+25.5+25.5+9.20= £85.70
Five gallons of gasoline cost \$ 22. 80$22. 80.
What is the price per gallon?
Answer:
$4.56
Step-by-step explanation:
22.80/5 = 4.56
The function f(x)=5x converts x nickels to pennies. Find a function that converts x pennies to nickels. Then convert 50 pennies to nickels
The function f(x) converts x nickels to pennies and the function g(x) converts x pennies to nickels. Applying g(50) to 50 pennies gives 10 nickels.
The function g(x)=x÷5 converts x pennies to nickels.
Applying g(50) to 50 pennies:
g(50)=50÷5
=10 nickels
The function f(x)=5x converts x nickels to pennies. This means that for every nickel, 5 pennies are produced. To convert pennies to nickels, the inverse of this function is needed. The inverse of f(x)=5x is g(x)=x÷5. This function converts x pennies to nickels. When g(50) is applied to 50 pennies, the result is 10 nickels. In other words, 50 pennies can be converted to 10 nickels. To summarize, the function g(x)=x÷5 effectively converts pennies to nickels, allowing the user to easily convert between the two currencies.
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What is -10+(-3/4)? Pls hurry !
Answer:-10.75
Step-by-step explanation:
American jurists ____ and ____ defined law in a functional sense as predictions of the way that a court will decide specific legal questions.
American jurists (fill in the names) defined law as predictions of how a court will decide specific legal questions, based on a functional perspective.
American jurists Oliver Wendell Holmes Jr. and Benjamin Cardozo are known for their functionalist approach to defining law. They viewed law not merely as a set of abstract principles or rules, but as a prediction of how courts will decide specific legal questions in practice. According to their perspective, the law should be seen as a dynamic and evolving system that adapts to societal changes and reflects the judgments and decisions of the judiciary. By emphasizing the functional aspect of law, Holmes and Cardozo recognized the importance of considering how legal principles are actually applied and interpreted in real-world scenarios. Their approach acknowledges that the interpretation and application of law by judges can vary and evolve over time, depending on factors such as legal precedent, social context, and the specific facts of the cases before them.
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Choose the best answer.
The mean is a good
of a population.
-interval estimate
-point estimate
While a point estimate is a good representation of the population mean, an interval estimate provides a more precise estimate and is often preferred in statistical analysis.
The mean is best represented by a point estimate, which is a single value that serves as the best estimate of the population parameter. However, it is important to note that point estimates can sometimes be unreliable and not accurately represent the true population parameter. In order to have a more accurate estimate, we can use an interval estimate, which provides a range of values that is likely to contain the true population parameter with a certain level of confidence. An interval estimate takes into account the variability of the sample and provides a range of values that is likely to contain the true population mean. Therefore, while a point estimate is a good representation of the population mean, an interval estimate provides a more precise estimate and is often preferred in statistical analysis.
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In the equation log10? = 5, the value that could replace the "?" is
Answer: 10000
The correct answer is 10000.
Help me with this, it’s due in a bit!
Answer:
64 square centimeters
Step-by-step explanation:
The surface are of a pyramid is found by finding the sum of the area of the four sides and the base.
Finding the triangular face:
Area of triangle = \(\frac{1}{2} b h\) = \(\frac{1}{2}*4*6 = 12\)
12 * 4 (4 sides) = 48 square cm
Finding the Base = \(w * l = 4 * 4 = 16\)
Finally, we add it together. 48 + 16 = 64
which number would go outside the circles?
Answer:
D. 7/9
Step-by-step explanation:
Whole numbers are all natural numbers, or positive numbers that are not fractions (including 0). A and C are whole numbers because they are positive and not fractions.
Integers are all whole numbers, but negative numbers are included as well. B is an integer because it is the negative version of a whole number.
D is a fraction, therefore being neither.
a farmer can buy two types of plant​ food, mix a and mix b. each cubic yard of mix a contains pounds of phosphoric​ acid, pounds of​ nitrogen, and pounds of potash. each cubic yard of mix b contains pounds of phosphoric​ acid, pounds of​ nitrogen, and pounds of potash. the minimum monthly requirements are pounds of phosphoric​ acid, pounds of​ nitrogen, and pounds of potash. if mix a costs ​$ per cubic yard and mix b costs ​$ per cubic​ yard, how many cubic yards of each mix should the farmer blend to meet the minimum monthly requirements at a minimum​ cost? what is this​ cost?
To solve this problem, we need to set up a system of equations based on the given information. Let's assume that the farmer needs x cubic yards of mix a and y cubic yards of mix b.
For phosphoric acid, the equation would be:
x * pounds of phosphoric acid in mix a + y * pounds of phosphoric acid in mix b = pounds of phosphoric acid required
For nitrogen, the equation would be:
x * pounds of nitrogen in mix a + y * pounds of nitrogen in mix b = pounds of nitrogen required
For potash, the equation would be:
x * pounds of potash in mix a + y * pounds of potash in mix b = pounds of potash required
We can solve this system of equations using substitution or elimination method. Once we find the values of x and y, we can calculate the total cost.
Since the question asks for the answer in more than 100 words, I'll provide an explanation for the solution process.
1. Set up the equations using the given information.
2. Solve the system of equations to find the values of x and y.
3. Substitute the values of x and y into the cost equation to find the total cost.
The solution to the problem is to blend x cubic yards of mix a and y cubic yards of mix b to meet the minimum monthly requirements at a minimum cost. The total cost can be calculated by substituting the values of x and y into the cost equation.
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For the function i. ii. iii. Z (3+z) 1+z) = 1 find the Laurent series expansion in 21+z 3+z NN the region |z|
The Laurent series expansion of the function 1/(3+z)(1+z) = 1 in the region |z| > 3 is not defined.
The function 1/(3+z)(1+z) can be expanded as a Laurent series in the region |z| > 3 by first decomposing it into partial fractions:
1/(3+z)(1+z) = A/(3+z) + B/(1+z)
To find A and B, we can multiply both sides of the equation by (3+z)(1+z) and set the denominators equal to zero. Solving for A and B, we get A = -1/2 and B = 1/2.
Now, we can substitute these values back into the partial fraction decomposition: 1/(3+z)(1+z) = -1/2(1/(3+z)) + 1/2(1/(1+z))
Using the geometric series expansion for 1/(1+z), we have: 1/(3+z)(1+z) = -1/2(1/(3+z)) + 1/2(1 - z + z^2 - z^3 + ...)
The Laurent series expansion for the function 1/(3+z)(1+z) in the region |z| > 3 is given by: 1/(3+z)(1+z) = -1/2(1/(3+z)) + 1/2(1 - z + z^2 - z^3 + ...)
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what is the magnitude of the net electric field at point p due to the particles?
The magnitude of the net electric field at point P due to the particle is 0 . explanation is given as
let us assume that , The charges of the four particles and the distance are given then on understanding the concept of electric field at electrostatics concept. on using the concept of the electric field at any given point, then production of individual electric field by a charge. and we known the concept of superposition law, on applying the law we get the value of the electric field in its direction and this shows the determination of the net electric field at that point.
The magnitude of the electric field,
E = q * R
where R = The distance of field at point from the charge, and q = charge of the individual particle
According to the superposition principle, the electric field at a single point due to more than one charges present ,hence on calculation of net electric field we get the origin of the coordinate system which is placed at point P and the y-axis is situated and oriented in the direction of the charge, (passing through the charge, ). The x-axis which is perpendicular to the y axis, and thus passes through the identical charges, then the individual magnitudes of an electric field is due to the charges are demonstrated by using the absolute signs of the charges. Now let us assume that the point charge which being positive i.e ( q > 0), we can see that the contributions coming from each charge gets cancel to each other. Therefore the net electric field in the direction of the y-axis is given using equation as E= 0
hence the net electric field is zero .
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statistics show that most people change jobs every ____ years. 3.6 4.7 5.8 2.5
The marginal cost of producing one more unit of the product when x = 100 is $150 per unit. To find the instantaneous rate of change (or the marginal cost) of c with respect to x when x = 100, we need to calculate the derivative of the cost function c(x) with respect to x and evaluate it at x = 100.
Let's assume that we have the cost function c(x) = 0.5x^2 + 50x + 1000, where x is the number of units produced. To find the derivative of this function, we need to use the power rule of differentiation, which states that if f(x) = x^n, then f'(x) = nx^(n-1). Applying this rule to our cost function, we get:
c'(x) = d/dx (0.5x^2 + 50x + 1000)
= 1x^(2-1) + 50x^(1-1) + 0
= x + 50
Now, we can evaluate this derivative at x = 100 to find the marginal cost:
c'(100) = 100 + 50
= 150
Therefore, the marginal cost of producing one more unit of the product when x = 100 is $150 per unit. This means that if the company produces one more unit of the product, it will cost them $150 more than the cost of producing the previous unit. The significance of the marginal cost will be explained in a future chapter, but for now, it is important to understand that it is a crucial concept in economics and business decision-making.
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Wade just retired, and has $600,000 to invest. A very safe Certificate of Deposit (CD) account pays 2%, while ariskier bond fund pays 8.5% in interest. Wade figures he needs $27,000 a year in interest to live on. How muchshould he invest in each account to make enough interest while minimizing his risk?$at 2%at 8.5%Round answers to the nearest dollar.
We can write 2 equations from the information given.
Let the amount invested in CD be "x" and the amount invested in bond be "y".
The total amount invested is $600,000. Thus, we can write,
\(x+y=600,000\)The CD pays 2% (0.02) and the bond pays 8.5% (0.085). Total interest needed is $27,000. Thus, we can craft another equation,
\(0.02x+0.085y=27,000\)Solving the first equation for "x", we can substitute it into the second equation and solve for "y" first. The steps are shown below:
\(\begin{gathered} x+y=600,000 \\ or,x=600,000-y \\ -------------- \\ 0.02x+0.085y=27,000 \\ 0.02(600,000-y)+0.085y=27,000 \\ 12000-0.02y+0.085y=27,000 \\ 0.065y=27,000-12,000 \\ 0.065y=15,000 \\ y=230,769.23 \end{gathered}\)Now, we can find "x",
\(\begin{gathered} x+y=600,000 \\ x+230,769.23=600,000 \\ x=600,000-230,769.23 \\ x=369,230.77 \end{gathered}\)Rounded to the nearest dollar, we write our answer >>>
$369,231 at 2%$230,769 at 8.5%histograms can be used to observe where the data tends to
Histograms can be used to observe where the data tends to cluster.
What is a histogram?
A histogram is a visual depiction of data points arranged into ranges that the user has chosen. The histogram, which resembles a bar graph in appearance, groups numerous data points into comprehensible ranges or bins in order to compress a data series into an easily understood visual.
Histogram is used when data is in numbers and data tends to cluster. It is used to examine the data distribution's form. It is even used to evaluate whether the output differs when two or more processes are involved.
Hence, histograms can be used to observe where the data tends to cluster.
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Can someone pls help me solve? (20 points)
Answer:
liar is 10
Step-by-step explanation:
Answer:
J. \(x=125\)
Step-by-step explanation:
\(log_{2} 24 - log_{2}3 =log_{5} x\)
\(4.5- 1.5 =log_{5} x\)
\(x=(log_{5})^{-1} (3)\)
\(x=125\)
Simplify \(\frac{sec(a)-csc(a)}{sec(a)+csc(a)}\)
The simplified version of (sec a - cosec a) / (sec a + cosec a) is cosec 2a(cosec 2a - 2) / (sec²a - cosec²a).
What is trigonometry?The study of correlations between triangles' side lengths and angles is known as trigonometry. The field was created in the Hellenistic era in the third century BC as a result of the use of geometry in astronomical research.
Given:
(sec a - cosec a) / (sec a + cosec a)
Multiply the numerator and denominator by (sec a - cosec a)
(sec a - cosec a) / (sec a + cosec a) × (sec a - cosec a)
(sec²a + cosec²a -2sec a cosec a) / (sec²a - cosec²a)
As we know,
\(sec^2a + cosec^2a = sec^2a \ cosec^2a\)
sec² a cosec² a - 2sec a cosec a / (sec²a - cosec²a)
sec a cosec a (sec a cosec a - 2) / (sec²a - cosec²a)
cosec 2a(cosec 2a - 2) / (sec²a - cosec²a)
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If 8 times a number is decreased by 2, the result is less than 15. What is the number?
Answer:
2
Step-by-step explanation:
1
8x1 = 8
8-2=6
2
8x2=16
16-2=14
Andrew invested $3,100 in an account paying an interest rate of 2. 1% compounded continuously. Assuming no deposits or withdrawals are made, how much money, to the nearest dollar, would be in the account after 16 years?.
Answer: 4,322.883
Step-by-step explanation:
Assuming that the interest rate is per year:
4,322.883
Is that correct please answer
Answer:
the answer is when 0=0 the soluthion is not n=0
Step-by-step explanation:
hope its right good luck
14. A pitcher contains quart of lemonade.
If an equal amount of lemonade is
poured into each of 6 glasses, how much lemonade will each glass contain ?
Answer:
1/9 quart in each glass
Step-by-step explanation:
2/3) / 6
(2/3) * (1/6) = 2/18 = 1/9 quart in each glass
two students were trying to see how far they control football Sadie through the football 48 yards and William through the football 6 yards how many times further than Sadie throws a ball than William rain equation to solve use a symbol for the unknown number
Use the relationships between the angles to find the value of x
Answer:
x=25 5/7
Step-by-step explanation:
A triangle has to equal 180 degrees when all its angles are combined.
4x+2x+10^0+x-5^0=180
Any number to the power of 0 is 1 so: 4x+2x+1+x-1=180
Merge like terms: 7x=180
Solve: x=25 5/7
Which of the following is a true sentence? *
-7 > +5
w
O
-7 > +7
O
-7 < +5
O
0 <-5
Answer:
Step-by-step explanation:
I have the same question :(((
A researcher is investigating the effect of sleep deprivation on learning. She recruits 30 participants and randomly assigns half to a "no sleep" group and half to a "regular sleep" group. The "no sleep" group are required to stay up all night and report to a testing room at 2PM the following day. The "regular sleep" group are instructed to have a normal night's sleep and report to the testing room at 9AM the following day. Unfortunately, a water pipe broke outside the testing room window and there was noisy construction crew working the whole day of testing. Which of the following statements is true?
a. The study may be affected by a situational variable.
b. The construction noise may contribute to variability in test scores.
C. The study has a confounding variable. The groups differ in the time they are to report to the testing room.
d. All of these are true.
The study has a confounding variable since the two groups differ in the time they were supposed to report to the testing room. Since the groups differed in terms of sleep deprivation and the time they were supposed to report to the testing room, the effect of sleep deprivation on learning could not be isolated.
The statement that is true is: d. All of these are true.Explanation:A study may have various sources of variability, including participant selection, the setting in which the study is conducted, and the measure used. The following options are as follows:a. The study may be affected by a situational variable.b. The construction noise may contribute to variability in test scores.c. The study has a confounding variable. The groups differ in the time they are to report to the testing room.d. All of these are true.Therefore, all of these options are true. For example, the study may be affected by a situational variable if a natural disaster or other unforeseen event happens that causes the study to be disrupted. In this case, the study was disrupted by a noisy construction crew, which may have contributed to variability in test scores. The study has a confounding variable since the two groups differ in the time they were supposed to report to the testing room. Since the groups differed in terms of sleep deprivation and the time they were supposed to report to the testing room, the effect of sleep deprivation on learning could not be isolated.
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help I am not sure of the answer it asks for the domain and the range thank you
Answer:
480 - 96x = 0, so x = 5.
Domain: [0, 5]
Range: [0, 480]
WILL BE GIVING BRAINLIEST ANSWER AND 5 STARS
There is a bag filled with 2 blue, 4 red and 3 green marbles.
A marble is taken at random from the bag, the colour is noted and then it is not replaced.
Another marble is taken at random.
What is the probability of getting 2 different colours?
PLEASE WRITE IN FRACTIONS
Total balls=9
Probability of blue and red
2/9×4/8=1/9And
4/9×2/8=1/9Probability of blue and green:-
2/9×3/8=1/12And
3/9×2/8=1/12probability of red and green
4/9×3/8=4/24=1/611 increased by twice groans hight
Answer:
Step-by-step explanation:
The expression "11 increased by twice Grogan's height" can be written as:
11 + 2Grogan's height
For example, if Grogan's height is 5 feet, the expression would be:
11 + 2(5) = 11 + 10 = 21
Every Saturday morning, three friends meet for
breakfast at 9:00 A. M. Fatima walks, Khalil
bikes, and Khadija drives. All three friends
were exactly on time. Fatima left her house at
8:30 A. M. And walked at a rate of 3 miles per
hour. Khalil left his house at 8:15 A. M. And
biked at a rate of 14 miles per hour. Khadija
left her house at 8:45 A. M. And drove an
average speed of 35 miles per hour. How many
miles from the restaurant does the person who
traveled the furthest live?
In the problem, it is given that Fatima walked, Khalil biked, and Khadija drove and all of them were exactly on time.
Also, Fatima left her house at 8:30 A. M. And walked at a rate of 3 miles per hour.
Khalil left his house at 8:15 A. M. And biked at a rate of 14 miles per hour.
Khadija left her house at 8:45 A. M. And drove at an average speed of 35 miles per hour.
To find the person who traveled the furthest, we need to find the distance that each of them traveled:
Fatima walked for half an hour.
Distance = speed x time
Distance = 3 x 0.5
= 1.5 miles
Khalil biked for 45 minutes.
Distance = speed x time
Distance = 14 x 0.75
= 10.5 miles
Khadija drove for 15 minutes.
Distance = speed x time
Distance = 35 x 0.25
= 8.75 miles
Thus, the person who traveled the furthest is Khalil as he covered a distance of 10.5 miles.
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if point c is rotated 144 degrees counterclockwise about the point x what original vertex is the image of point c?
To determine the image of point C after rotating it 144 degrees counterclockwise about point X, the original vertex would be the image of point C.
When a point is rotated counterclockwise about another point, the image is formed by tracing the path of the original point as it rotates. In this case, point C is rotated 144 degrees counterclockwise about point X. To find the image of point C, we trace its path as it rotates and identify the final position.
However, without specific information about the coordinates of point C and point X, it is not possible to determine the exact image or the original vertex. Additional information or coordinates are needed to determine the image accurately.
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