Answer:
Brand A costs $1.08 per pound
Brand B costs $0.87 per pound
Brand B costs $0.21 less than Brand A
Step-by-step explanation:
59.40/55 = 1.08
56.55/65 = 0.87
1.08 - 0.87 = 0.21
Write the equation of the line in POINT-SLOPE form that passes through (5, 1) and (-2, 14)
point slope form is
\(y-y_1 = m(x-x_1)\)
we can find m with
\(m = \frac{y_2-y_1}{x_2-x_1}\\ m = \frac{14-1}{-2-5} \\m = \frac{13}{-7} \\\)
\(y - 1 = \frac{-13}{7} (x-5)\\or\\y - 14= \frac{-13}{7} (x+2)\)
Jan lost 22 points on her exam. She got 11 questions wrong.
What integer represents the point value of each wrong answer?
Answer:
2
Step-by-step explanation:
22/11=2
2, 5, 25/2...
Find the 10th term.
Answer:
7629.39453125
Step-by-step explanation:
The formula for the n-th term is:
\(k_n = \frac{5^{n-1}}{2^{n-2}}\)
So:
\(k_{10} = \frac{5^9}{2^8}\) = 1953125 / 256 = 7629.39453125
Answer:
7629.395 correct answer
Find the greatest common factor for each problem.use the t-chart to slow?
16 and 40
Gcf:
The required GCF is 8.
The greatest common factor is that greatest number from the factors which divides the number completely.
For example take numbers 12 and 16.
The factors of 12 are 2×2×3.
And the factors of 16 are 2×2×2×2.
We can clearly see that the common factors are 2×2 which gives 4. So, 4 is the greatest common factor which divides both 12 and 16.
Here it is given to find the greatest common factor of 16 and 40.
Factors of 16 = 2×2×2×2
Factors of 40 = 2×2×2×5
We can see clearly the common factors are 2×2×2 which gives 8.
So, 8 is the greatest common factor.
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Given f(x) = 6(1 - x), what is the value of f(-8)?
Answer:
54
Step-by-step explanation:
Given f(x) = 6(1 - x), what is the value of f(-8)?
F(-8)=6(1--8) -- plug -8 into f(x) and x spots.
F(-)8=6(9) ---then solve
F(-8)=54 --- so the function to f(-8) is 54
solve for n 36=13n-4n
Answer:
n = 4
Step-by-step explanation:
36 = 13n - 4n
<=> 36 = (13-4).n
<=> 36 = 9n
<=> n = 36 / 9
<=> n = 4
HELP ASAP!!! Carter is a salesperson who sells computers at an electronics store. He makes a base pay amount each day and then is paid a commission for every computer sale he makes. Let P represent Carter's total pay on a day on which he sells a computers. The table below has select values showing the linear relationship between x and P. Determine the base pay Carter makes regardless of computer sales.
1. The base pay Carter makes regardless of computer sales is $100
2. The linear relationship that shows the sales will be P = 100 + 10x
How to illustrate the expression?From the information given, Carter is a salesperson who sells computers at an electronics store and he makes a base pay amount each day and then is paid a commission for every computer sale he makes.
The starting salary is $100. This is the base pay.
The commission given is $10 per good sold. Therefore, the expression will be:
= 100 + 10x
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Geometry: Write a formal proof, ASAP!!!
\( \qquad \qquad \bf \huge\star \: \: \large{ \underline{Answer} } \huge \: \: \star\)
\( \sf \: \angle1 \cong \angle3\)\(\textsf{ \underline{\underline{Steps to solve the problem} }:}\)
\(\qquad❖ \: \sf \: \angle1 \cong \angle2\)
( by corresponding angle pair )
\(\qquad❖ \: \sf \: \angle2 \cong \angle3\)
( given in the question )
\( \qquad \large \sf {Conclusion} : \)
\(\qquad❖ \: \sf \: \angle1 \cong \angle3\)
Letv→1=[0.5−0.50.50.5], v→2=[−0.5−0.5−0.50.5], v→3=[−0.50.50.50.5].Find a vector v→4 in R4 such that the vectors v→1, v→2, v→3, and v→4 are orthonormal.
v→4= [
To find a vector v→4 such that the vectors v→1, v→2, v→3, and v→4 are orthonormal, the vector v→4 can be calculated as [0, -0.5, 0.5, -0.5].
For the vectors v→1, v→2, v→3, and v→4 to be orthonormal, they need to satisfy two conditions: they must be orthogonal (perpendicular to each other) and each vector must have a magnitude of 1 (unit length).
Given that v→1, v→2, and v→3 are provided, we can choose v→4 such that it is orthogonal to the other vectors and has a magnitude of 1. Since v→1, v→2, and v→3 are in R4, v→4 must also be a four-dimensional vector in R4.
Observing the pattern in the given vectors, we can see that v→4 can be chosen as [0, -0.5, 0.5, -0.5].
This vector satisfies the condition of orthogonality with v→1, v→2, and v→3 since its dot product with each of those vectors is zero.
Additionally, the magnitude of v→4 is
√(0^2 + (-0.5)^2 + 0.5^2 + (-0.5)^2) = √(0.5) = 1,
satisfying the condition of unit length.
Thus, v→4 = [0, -0.5, 0.5, -0.5] is a vector that makes the set of vectors orthonormal.
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What’s the slope of the line?
Answer:
slope = - \(\frac{1}{2}\)
Step-by-step explanation:
calculate the slope m using the slope formula
m = \(\frac{y_{2}-y_{1} }{x_{2}-x_{1} }\)
with (x₁, y₁ ) = (- 2, 1) and (x₂, y₂ ) = (2, - 1)
m = \(\frac{-1-1}{2-(-2)}\) = \(\frac{-2}{2+2}\) = \(\frac{-2}{4}\) = - \(\frac{1}{2}\)
please help, Can’t find the answer anywhere!!! Thank you!!!
Answer:
0.52
Step-by-step explanation:
250 females out of 479 total
250/479 = 0.5219206681
Rounded
0.52
which one don't belong and why.?
The set 3 = y + 1 and x = -6 does not belong to the four sets of equations because it a linear equation with one variable.
Difference between linear equation and simultaneous equations?Linear equation has only one variable. The linear equations in one variable is an equation which is expressed in the form of ax + b = 0, where a and b are two integers, and x is a variable and has only one solution
While simultaneous equations are two or more equations that are satisfied by the same set of values for the variables.
we can observe that the pairs;
y = 3x + 1
y = 3x - 1,
-2x + y = 2
-4x + 2y = 4 and,
y - 1 = 2(x + 4)
y + 3 = -5(x + 1)
all have more than one variable and can give the same set of values to satisfy for each pair.
But the set;
3 = y + 1 and x = -6 only have one variable each and will have only on solution.
In conclusion, only the set of equations 3 = y + 1 and x = -6 with one variable does not belong.
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Work out the missing numbers:
a) 18.6 divided by something = 0.02
\(\frac{18.6}{x} =0.02\) X is the "something" in this problem
\(x=\frac{18.6}{0.02}\)
\(x=930\)
Hope this helped :)
Construct a frequency distribution table for the following data set of body temperatures in degree F with a class width of 0.5 and starting value of 97.0 degrees. 97.1 97.2 97.5 97.6 97.6 97.8 98.0 98.0 98.2 98.2 98.2 98.3 98.4 98.6 98.6 98.7 98.7 98.9 99.1 99.4
This is the frequency distribution table for the given data set with a class width of 0.5 and a starting value of 97.0 degrees.
To construct a frequency distribution table for the given data set with a class width of 0.5 and a starting value of 97.0 degrees, we can follow these steps:
1. Determine the number of classes:
To determine the number of classes, we calculate the range of the data by subtracting the smallest value from the largest value:
Range = 99.4 - 97.0 = 2.4
We can choose the number of classes as the range divided by the class width (0.5) and round it up to the nearest whole number:
Number of classes = ceil(Range / Class width) = ceil(2.4 / 0.5) = ceil(4.8) = 5
2. Determine the class intervals:
Starting with the given starting value (97.0 degrees), we can create class intervals by adding the class width repeatedly:
Class intervals: 97.0 - 97.5, 97.5 - 98.0, 98.0 - 98.5, 98.5 - 99.0, 99.0 - 99.5, 99.5 - 100.0
3. Count the frequency of each class:
Count how many data points fall into each class interval.
- For the first class interval (97.0 - 97.5), we have:
Frequency: 2 (97.1, 97.2)
- For the second class interval (97.5 - 98.0), we have:
Frequency: 4 (97.5, 97.6, 97.6, 97.8)
- For the third class interval (98.0 - 98.5), we have:
Frequency: 4 (98.0, 98.0, 98.2, 98.2)
For the fourth class interval (98.5 - 99.0), we have:
Frequency: 5 (98.2, 98.3, 98.4, 98.6, 98.6)
- For the fifth class interval (99.0 - 99.5), we have:
Frequency: 4 (98.7, 98.7, 98.9, 99.1)
- For the last class interval (99.5 - 100.0), we have:
Frequency: 1 (99.4)
4. Create the frequency distribution table:
Combine the class intervals and their corresponding frequencies into a table format.
Class Interval | Frequency
-----------------|----------
97.0 - 97.5 | 2
97.5 - 98.0 | 4
98.0 - 98.5 | 4
98.5 - 99.0 | 5
99.0 - 99.5 | 4
99.5 - 100.0 | 1
This is the frequency distribution table for the given data set with a class width of 0.5 and a starting value of 97.0 degrees.
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Please help pleaseeee please now help
Which expression equivalent to 6+12 X
Answer:
12x+6
x(12)+3
On a field trip, there are 3 adults for every 45 students. Which graph models a relationship with the same unit rate?
Answer:
I would go with B
Step-by-step explanation:
multiple regression analysis a produces measures of probable error b establishes a cause and effect relationship c involves the use of independent variables only d is not a sampling technique
Among the options provided, the correct statement regarding multiple regression analysis is: b) Multiple regression analysis establishes a cause and effect relationship.
Multiple regression analysis is a statistical technique used to examine the relationship between a dependent variable and multiple independent variables. It aims to determine the extent to which the independent variables predict or explain the variation in the dependent variable.
However, it is important to note that multiple regression analysis alone cannot establish a cause and effect relationship between variables. While it can identify associations and quantify the strength of relationships, establishing causality typically requires additional evidence from experimental designs or other rigorous methods.
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Can u sovle 32^3/5 for me please
Answer:
6553.6
Step-by-step explanation:
32^3 = 32 x 32 x 32 = 32768
32768 / 5 = 6553.6
Answer:
6,553.6
Step-by-step explanation:
32^3/5=6,553.6
Hope this helped!!
Bella was here :)
suppose you have randomly selected high school students to take a course to improve their sat scores. you find that the mean of their sat scores is not significantly different from the population mean of sat scores for those students who have not taken the course. which of the following statements is the most appropriate conclusion? group of answer choices there is not enough evidence to conclude that the course improves sat scores. we have obtained evidence consistent with the notion that the course has an effect on sat scores. the evidence suggests that the course may have an effect on sat scores. we have proven that the course does not affect sat scores.
The most appropriate conclusion is: There is not enough evidence to conclude that the course improves SAT scores.
When conducting a hypothesis test, we start with a null hypothesis that assumes there is no difference or no effect between two groups or variables. In this case, the null hypothesis would be that the mean SAT score of students who took the course is not significantly different from the mean SAT score of students who did not take the course.
We then collect data and calculate a test statistic (such as a t-statistic) and a p-value. The test statistic measures the difference between the sample means and tells us how far apart they are in standard deviation units. The p-value measures the probability of observing the test statistic or a more extreme value if the null hypothesis is true.
If the p-value is smaller than the chosen level of significance (usually 0.05 or 0.01), we reject the null hypothesis and conclude that there is enough evidence to suggest that the two means are significantly different. If the p-value is larger than the chosen level of significance, we fail to reject the null hypothesis and conclude that there is not enough evidence to suggest that the two means are significantly different.
In this scenario, if the mean of the SAT scores of students who took the course is not significantly different from the mean of the SAT scores of students who did not take the course, it means that we failed to reject the null hypothesis. Therefore, we cannot conclude that the course has an effect on SAT scores. We can only say that there is not enough evidence to suggest that it does.
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sec(pi/2 -x) =csc x true or false
Answer:
true
Step-by-step explanation:
if you rewrite \(sec\left(\frac{\pi }{2}\:-x\right)\) with trigonometric identities:
\(sec\left(\frac{\pi }{2}\:-x\right)\) \(=\frac{1}{\sin \left(x\right)}\)
\(\frac{1}{\sin \left(x\right)}\) \(=\csc \left(x\right)\)
so, yes, \(sec\left(\frac{\pi }{2}\:-x\right)\) \(=\csc \left(x\right)\)
hope this helps!!
Consider a sample with data values of 55, 56, 70, 61, 53, 57, 50, 73, 52, 69, and $2. Compute the mean, median, and mode.
If required, round your answers to two decimal places.
Mean = ________
Median = _________
Mode = _________
The mode of the given data values is N/A (not applicable).Hence, the mean, median, and mode of the given data values are:Mean = 54.36Median = 55.5Mode = N/A (not applicable)
Given data values are 55, 56, 70, 61, 53, 57, 50, 73, 52, 69, and 2. We need to calculate the mean, median, and mode of this sample.So, let's first arrange the data values in ascending order:2, 50, 52, 53, 55, 56, 57, 61, 69, 70, 73
Mean:The mean is the sum of all the data values divided by the total number of data values. So, we can use the following formula to calculate the mean:
Mean = (sum of all the data values) / (total number of data values)Sum of all the data values = 55 + 56 + 70 + 61 + 53 + 57 + 50 + 73 + 52 + 69 + 2 = 598Total number of data values = 11
Therefore,Mean = (sum of all the data values) / (total number of data values) = 598 / 11 = 54.36 (rounded to two decimal places)Therefore, the mean of the given data values is 54.36.
Median:The median is the middle value of a sorted data set. Since the data set has 11 data values, the median is the average of the 6th and 7th values (counting from smallest to largest).
Therefore, the median is :Median = (55 + 56) / 2 = 55.5Therefore, the median of the given data values is 55.5.
Mode:The mode is the data value that appears most frequently in the data set. In this case, there is no data value that appears more than once. So, there is no mode.
Therefore, the mode of the given data values is N/A (not applicable).Hence, the mean, median, and mode of the given data values are:Mean = 54.36Median = 55.5Mode = N/A (not applicable)
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Use the graph to estimate the value of y when x = 2.5
Answer:
y=7
y will equal to 7 when x is 2.5
Round 75.434 to the nearest hundredth
determine the concentration of hcn that would produce a solution with a ph of 4.858.
The concentration of HCN that would produce a solution with a pH of 4.858 is approximately 1.17 x 10^(-5) mol/L.
To determine the concentration of HCN (hydrogen cyanide) that would produce a solution with a pH of 4.858, we can use the equation relating pH and the concentration of H+ ions in a solution:
pH = -log[H+]
First, we need to calculate the concentration of H+ ions corresponding to a pH of 4.858. Taking the antilog of both sides of the equation, we have:
[H+] = 10^(-pH)
[H+] = 10^(-4.858)
[H+] ≈ 1.17 x 10^(-5) mol/L
Since HCN is a weak acid, it partially dissociates in water, producing H+ ions. The concentration of HCN is equal to the concentration of H+ ions in the solution.
Therefore, the concentration of HCN that would produce a solution with a pH of 4.858 is approximately 1.17 x 10^(-5) mol/L.
Please note that the value provided is an approximation, and it is important to consider the temperature and other factors that might influence the dissociation of HCN in a solution.
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Which regular polygon has a rotation of 240 degree to carry the polygon onto itself?
The regular polygon that has a rotation of 240 degrees to carry the polygon onto itself is the equilateral triangle.
The missing part of the questionOptions
Equilateral triangle
Octagon
Rectangle
Pentagon
How to determine the polygon?A polygon that can carry itself onto itself after a rotation of 240 degrees must obey the following rule:
Angle of rotation = 360/Sides
Next, we test the options:
Option (a) equilateral triangle
Angle of rotation = 360/3
Evaluate
Angle of rotation = 120
Next, we list the multiples of 120
120, 240, 360.....
See that 120 is a factor of 240.
This means that the equilateral triangle would be rotated onto itself when rotated by 240 degrees.
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Use the sum of the first 100 terms to approximate the sum of the series? 1/(n3 + 1).Estimate the error involved in this approximation.
The sum of first 100 terms of the series is 0.686 with error less than 0.00005
The given series is
Tₙ = \(\frac{1}{n_3 +1 }\)
Since, \(\frac{1}{n_3 +1 } < \frac{1}{n_3}\)
The given series is convergent by the comparison Test.
The remainder Tₙ for the comparison series ∑ 1/n³ was estimated in this example using the remainder estimate for the Integral Test.
There we found that
\(T_n \leq \int\limits^\infty_n {\frac{1}{x^3} \, dx\)
Solving the integration,
=> \(\int\limits^\infty_n \frac{-1}{2x^2}\, dx\)
=> \(\frac{1}{2n^2}\)
So, \(T_n \leq \frac{1}{2n^2}\)
Therefore , the reminder Rₙ for the given series satisfies
Rₙ ≤ Tₙ ≤ 1/2n²
with n = 100 we have
=> R₁₀₀ ≤ 0.00005
Using a programmable calculator , we find that
\(\sum^\infty_{n=1} \frac{1}{n^3 + 1} = \sum^\infty_{100=1} \frac{1}{n^3 + 1}\)
=> 0.686 (approximately)
with the error less than 0.00005
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On September 1, 2018 Dubai Company borrows $120,000 from ADCB Bank by signing a 4-
month, 12%, interest-bearing note. CLO-1).
Instructions Prepare the necessary entries below associated with the note payable on the books of Dubai Company
On September 1, 2018, Dubai Company should record the following entry:
Debit: Cash (or Note Payable) - $120,000
Credit: Note Payable (or Cash) - $120,000
When Dubai Company borrows $120,000 from ADCB Bank by signing a 4-month, 12% interest-bearing note, they need to record the transaction in their books. The entry will depend on whether they received the cash or the note itself. If they received the cash, the entry would be a debit to Cash and a credit to Note Payable, both for $120,000. If they received the note, the entry would be a debit to Note Payable and a credit to Cash, both for $120,000.
The entry represents the initial recognition of the note payable on Dubai Company's books. It acknowledges the liability they have incurred by borrowing funds from ADCB Bank. The note payable will be due in 4 months and carries an interest rate of 12%. It is important for Dubai Company to accurately record this transaction to maintain proper financial records and fulfill their obligations to ADCB Bank.
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place 0.001 0.01 and 0.1 in ascending order
Answer:
0.001, 0.01, 0.1; it was already in ascending over :)
Hope this helps!
Answer:
0.001, 0.01, and 0.1
Step-by-step explanation:
Ascending order is least to greatest, and 0.1 is the greatest and 0.001 is the least. think if it as a fraction, what is more, 1/10 or 1/1000?
its all on the picture giving brainiest and 100 points its also math
#1
(1,2)(2,4)Slope=
\(\\ \rm\Rrightarrow m=4-2/2-1=2\)
Equation in point slope form
\(\\ \rm\Rrightarrow y-2=2(x-1)\)
\(\\ \rm\Rrightarrow y-2=2x-2\)
\(\\ \rm\Rrightarrow y=2x\)
Graph attached
#2
(1,3)(2,6)Same like before
Equation of the line:-
\(\\ \rm\Rrightarrow y=3x\)
Graph attached