If all of the 720 pairs of shoes are sold at $25.00 per pair with a profit margin of 25%, the shoe store will make $4,500.00.
What is selling price?Selling price is the amount of money that a seller charges for a particular product or service in order to make a profit.
According to question:The selling price of a pair of shoes is $25.00, and the profit for the shoe store is 25% of the selling price, or 0.25 x $25.00 = $6.25.
To find out how much the shoe store will make if all of the shoes are sold, we need to multiply the number of pairs of shoes by the selling price and then by the profit margin:
Total revenue = Number of pairs of shoes x Selling price x Profit margin
Total revenue = 720 pairs x $25.00 x 0.25
Total revenue = $4,500.00
Therefore, if all of the 720 pairs of shoes are sold at $25.00 per pair with a profit margin of 25%, the shoe store will make $4,500.00.
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Find the length of the third side. If necessary, round to the nearest tenth 10 20
if only i knew I would love to help you sorry
Dana ordered 6 pizzas for her party and each pizza is sliced into quarters. She says in order to find out how many slices there are, she needs to calculate
6 ÷ 0ne fourth. Which multiplication expression will also solve the problem of how many slices there are?
A.24 × one sixth
B.4 × one sixth
C.6 × one fourth
D.6 × 4
plzzzzz help I'm not good at math
Answer:
d
Step-by-step explanation:
3 2/5 - 3/4
subtract
Answer:
53/20
Step-by-step explanation:
First convert 3 2/5 into 17/5
Now we need a like denominator for both fractions
20 works
lets convert 17/5 into 68/20
and 3/4 can turn into 15/20
68/20 - 15/20
53/20
Answer: 53/20 or 2 13/20
Step-by-step explanation:
hope this helps
PLEASE HELP
Rasha and her family are flying to her grandmother's house this summer. She knows that the distance from Charlotte, NC to New Delhi, India is 7,850 miles. If
Rasha's family has a direct flight that took 17 hours, what is the plane's average speed in miles per hour?
Answer: Approximately 461.76 miles per hour
Step-by-step explanation:
To calculate the plane's average speed in miles per hour, we can divide the distance of 7,850 miles by the time of 17 hours:
Average speed = distance ÷ time
Average speed = 7,850 miles ÷ 17 hours
Average speed ≈ 461.76 miles per hour
Therefore, the plane's average speed is approximately 461.76 miles per hour.
Hope this helps!
A washer and dryer cost $1037 combined washer cost $87 more than the dryer what is the cost of the dryer
Answer:
606
Step-by-step explanation:
1037 divided by 2 is 518.5 so $87 more is around $605.5 or rounded (606)
The n building exemplifies interactive design because it integrates into its façade __________
The n building exemplifies interactive design because it integrates into its façade interactive digital displays.
The n building showcases interactive design by seamlessly incorporating interactive digital displays into its façade. These displays allow for dynamic content, such as visuals, videos, and interactive elements, to be presented on the building's exterior.
By engaging with passersby and creating an interactive experience, the n building transforms a static architectural structure into a vibrant and participatory environment.
This integration of interactive digital displays into the building's façade not only enhances its visual appeal but also fosters a sense of connection and engagement with the surrounding community, blurring the boundaries between the physical and digital realms.
The n building exemplifies interactive design because it integrates into its façade elements that engage and interact with the users. This can include features such as interactive screens, touch-sensitive panels, or interactive lighting displays. These elements encourage user participation and create an immersive and engaging experience for those interacting with the building.
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what's the best careers to do
do computer science or anything law related in college. Don’t do something like zoology because it’ll probably pay like 15$ an hour.
the order of the surd 7√8
Hello,
\(7 \sqrt{8} = \sqrt{7.7.8} = \sqrt{392} \)
Býe býe.
Which inequality is NOT true when x= -2?
Answer: D
Step-by-step explanation:
-7 isn't greater than -4
A soft-drink manufacturer claims that its 12-ounce cans do not contain, on average, more than 30 calories. A random sample of 16 cans of this soft drink, which were checked for calories, contained a mean of 31. 8 calories with a standard deviation of 3 calories. Assume that the number of calories in 12-ounce soda cans is normally distributed. Does the sample information support the manufacturer's claim? Use alpha=1% Select one: a. With test statistics of 2. 40 and critical value of 2. 602, we reject the null hypothesis. The manufacturer claims is not valid. B with test statistics of 2. 40 and critical value of 2. 326, we failed to reject the null hypothesis. The manufacturer claims can not be rejected. C. With test statistics of 2. 40 and critical value of 2. 326, we failed to reject the null hypothesis. The manufacturer claims is not valid. D. With test statistics of 2. 40 and critical value of 2. 602, we failed to reject the null hypothesis. The manufacturer claims can not be rejected
B. With test statistics of 2.40 and a critical value of 2.326, we fail to reject the null hypothesis. The manufacturer's claim cannot be rejected.
To test whether the sample information supports the manufacturer's claim that their 12-ounce cans do not contain more than 30 calories on average, we can use a one-sample t-test. The null hypothesis is that the true mean calorie content of the cans is equal to or less than 30 calories, while the alternative hypothesis is that it is greater than 30 calories.
Using the sample mean of 31.8 calories, the sample standard deviation of 3 calories, and a sample size of 16, we can calculate the t-value as follows:
t = (31.8 - 30) / (3 / √(16)) = 2.40
The degree of freedom for this test is 15 (n - 1). Using a significance level of alpha = 0.01 and a one-tailed test, the critical t-value is 2.602.
Comparing the calculated t-value of 2.40 to the critical t-value of 2.602, we can see that it falls within the non-rejection region. Therefore, we fail to reject the null hypothesis and conclude that the sample information does not provide enough evidence to support the manufacturer's claim that their 12-ounce cans contain, on average, less than or equal to 30 calories. The correct answer is B: with test statistics of 2.40 and a critical value of 2.326, we failed to reject the null hypothesis. The manufacturer's claims cannot be rejected.
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A cylindrical cup is 8 centimeters in height. When filled to the very top, it holds 480 cubic centimeters of water. What is the radius of the cup, rounded to the nearest tenth? Explain or show your reasoning.
Answer:
4.4cm
Step-by-step explanation:
The area of a circle is \(\pi r^{2}\), where r is the radius.
Hence the volume of the cylinder would be \(\pi r^{2}h\), where r is the radius and h is the height of the cylinder.
We can set up an equation V = \(\pi r^{2}h\)
If we plug in the values we know, V=480, h=8, then we get \(480=8\pi r^{2}\)
If we divide both sides be 8pi and square root both sides after that, we can find the value of r.
\(r = \sqrt{\frac{480}{8\pi } } =4.37019\)
To the nearest tenth, the radius would round up, yielding 4.4cm
best answer gets brainliest! please explain
Answer: t = 11
Step-by-step explanation:
f(11)= 5(11) -7
f(11) = 55 - 7
f(11) = 48
Answer:
f(11) = 48
Step-by-step explanation:
f(t) = 5t-7
we have to find out what t is
5t - 7 =48
+7 +7
5t = 55
/5 /5
t = 11
5 1/3 is what percent
Answer:
5.33%
Step-by-step explanation:
Answer:
5.33%
if not it cpuod be 5.32% most likely to be the forst one
Step-by-step explanation:
hope this helps!
have a good day :)
You work at a pharmaceutical company and your boss wants you to perform a survival curve on three new anticancer drugs (concentration range of 1 to 10 g/ml). Your results indicate that Drug B has no IC90 value, while Drug A and C have IC90 values of 5 and 3, respectively. Draw a representation of the survival curve. Identify the drug that has the greatest effect on cell survival.
Therefore, Drug C has a stronger impact on cell survival compared to Drug A, making it the drug with the greatest effect.
To draw a representation of the survival curve and identify the drug that has the greatest effect on cell survival, we can use a graph where the x-axis represents the drug concentration in μg/ml, and the y-axis represents the percentage of cell survival.
Since Drug B has no IC90 value, it means that it does not reach a concentration that causes a 90% reduction in cell survival. Therefore, we can assume that Drug B has no significant effect on cell survival and can omit it from the survival curve.
For Drug A and Drug C, we have IC90 values of 5 and 3 μg/ml, respectively. This means that when the drug concentration reaches these values, there is a 90% reduction in cell survival.
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How many cups of sugar will he use if he makes 8 gallons of tea?
Answer: 36
Step-by-step explanation: Multiplication
what expression has the value of 36
Answer:
there's nothing there
Step-by-step explanation:
i don't know what the question is here
Find the power set for the following sets (Write 3 examples of each)
a) Two sets A & B both having any 2 elements
b) Two sets A & B both having any 3 elements
c) Two sets A & B both having any 4 elements
Given statement solution is :- a) Power set for two sets A and B with any 2 elements:
Set A: {1, 2}, Set B: {3, 4}
Power set of A: {{}, {1}, {2}, {1, 2}}
Power set of B: {{}, {3}, {4}, {3, 4}}
b) Power set for two sets A and B with any 3 elements:
Set A: {1, 2, 3}, Set B: {4, 5, 6}
Power set of A: {{}, {1}, {2}, {3}, {1, 2}, {1, 3}, {2, 3}, {1, 2, 3}}
Power set of B: {{}, {4}, {5}, {6}, {4, 5}, {4, 6}, {5, 6}, {4, 5, 6}}
c) Power set for two sets A and B with any 4 elements:
Set A: {1, 2, 3, 4}, Set B: {5, 6, 7, 8}
Power set of A: {{}, {1}, {2}, {3}, {4}, {1, 2}, {1, 3}, {1, 4}, {2, 3}, {2, 4}, {3, 4}, {1, 2, 3}, {1, 2, 4}, {1, 3, 4}, {2, 3, 4}, {1, 2, 3, 4}}
Power set of B: {{}, {5}, {6}, {7}, {8}, {5, 6}, {5, 7}, {5, 8}, {6, 7}, {6, 8}, {7, 8}, {5, 6, 7}, {5, 6, 8}, {5, 7, 8}, {6, 7, 8},
a) Power set for two sets A and B with any 2 elements:
Set A: {1, 2}, Set B: {3, 4}
Power set of A: {{}, {1}, {2}, {1, 2}}
Power set of B: {{}, {3}, {4}, {3, 4}}
Set A: {apple, banana}, Set B: {cat, dog}
Power set of A: {{}, {apple}, {banana}, {apple, banana}}
Power set of B: {{}, {cat}, {dog}, {cat, dog}}
Set A: {red, blue}, Set B: {circle, square}
Power set of A: {{}, {red}, {blue}, {red, blue}}
Power set of B: {{}, {circle}, {square}, {circle, square}}
b) Power set for two sets A and B with any 3 elements:
Set A: {1, 2, 3}, Set B: {4, 5, 6}
Power set of A: {{}, {1}, {2}, {3}, {1, 2}, {1, 3}, {2, 3}, {1, 2, 3}}
Power set of B: {{}, {4}, {5}, {6}, {4, 5}, {4, 6}, {5, 6}, {4, 5, 6}}
Set A: {apple, banana, orange}, Set B: {cat, dog, elephant}
Power set of A: {{}, {apple}, {banana}, {orange}, {apple, banana}, {apple, orange}, {banana, orange}, {apple, banana, orange}}
Power set of B: {{}, {cat}, {dog}, {elephant}, {cat, dog}, {cat, elephant}, {dog, elephant}, {cat, dog, elephant}}
Set A: {red, blue, green}, Set B: {circle, square, triangle}
Power set of A: {{}, {red}, {blue}, {green}, {red, blue}, {red, green}, {blue, green}, {red, blue, green}}
Power set of B: {{}, {circle}, {square}, {triangle}, {circle, square}, {circle, triangle}, {square, triangle}, {circle, square, triangle}}
c) Power set for two sets A and B with any 4 elements:
Set A: {1, 2, 3, 4}, Set B: {5, 6, 7, 8}
Power set of A: {{}, {1}, {2}, {3}, {4}, {1, 2}, {1, 3}, {1, 4}, {2, 3}, {2, 4}, {3, 4}, {1, 2, 3}, {1, 2, 4}, {1, 3, 4}, {2, 3, 4}, {1, 2, 3, 4}}
Power set of B: {{}, {5}, {6}, {7}, {8}, {5, 6}, {5, 7}, {5, 8}, {6, 7}, {6, 8}, {7, 8}, {5, 6, 7}, {5, 6, 8}, {5, 7, 8}, {6, 7, 8},
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What series of transformations gets from the pre image of rectangle ABCD to the image of rectangle A''B''C''D"
Looking at the diagram, A'B'C'D' is a reflection of ABCD across the x axis. We can see that the coordinate of B is (- 2, 6) and that of B' is (- 2 - 6). This conforms with the rule that when a figure is reflected across the x axis, the sign of the y coordinate changes.
For A'B'C'D' to A"B"C"D", we can see that the coordinate of B" is (6, - 2). This conforms with the rule of 90 degrees counterclocwise rotation which states that a coordinate, (x, y) becomes (- y, x). By applying this to B', it becomes (- - 6, - 2) = (6, - 2)
We can see that it corresponds, Therefore, the series of transformation are
ABCD to A'B'C'D' Reflection across the x axis
A'B'C'D' to A"B"C"D" 90 degrees counterclockwise rotation about the origin
Which equation represents the slope-intercept form of the line below
An equation represents the slope-intercept form of the given line is y= 1/2 x+8. Therefore, option D is the correct answer.
Given that, y-intercept = (0, 8) and slope = 1/2.
The general equation of a straight line is y=mx+c, where m is the gradient, and y = c is the value where the line cuts the y-axis. This number c is called the intercept on the y-axis.
Substitute m=1/2 and c=8 in y=mx+c, we get
y= 1/2 x+8
Therefore, option D is the correct answer.
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Helpppppp!!!!!!!!!!!$
what is the percent of change from 75 to 24?
A car company claimed that it improved the gas mileage of a particular model of car between 2011 and 2012. A consumer advocacy group obtains a random sample of 16 cars from 2011 and finds the average number of miles driven on exactly 25 gallons of gas in laboratory conditions is 574. 4 miles, with a standard deviation of 43. 1 miles. The consumer advocacy group also obtains a random sample of 24 cars from 2012 and finds the average number of miles driven on exactly 25 gallons of gas in laboratory
conditions is 604. 6 miles, with a standard deviation of 27. 8 miles. The 99% confidence interval for the difference in mean miles driven on 25 gallons of gas (2012 model – 2011 model) is (–3. 95, 64. 35).
Does this confidence interval support the company’s assertion that their gas mileage has increased?
a)Yes, we are 99% confident that the true mean difference in miles driven per 25 gallons is 30. 2 miles.
b)Yes, the fact that most of the values in the confidence interval are positive means that the true mean number of miles driven on 25 gallons is higher in 2012.
c)Yes, the 2012 sample mean of 604. 4 miles per 25 gallons is 30. 2 more miles than the 2011 sample mean of 574. 4, which is an increase of 1. 208 miles per gallon.
d)No, the confidence interval contains 0, so we are 99% confident that the true mean increase in number of miles driven on 25 gallons is 0.
e)No, the confidence interval contains 0, so 0 is a plausible value for the true mean increase in number of miles driven on 25 gallons. An increase of 0 would indicate the gas mileage has not increased
Using the interpretation of the confidence interval, it is found that the correct option is:
e) No, the confidence interval contains 0, so 0 is a plausible value for the true mean increase in number of miles driven on 25 gallons. An increase of 0 would indicate the gas mileage has not increased.
What is the interpretation of a x% confidence interval?It means that we are x% confident that the population parameter(mean/proportion/standard deviation) is between a and b.
In this question, the 99% confidence interval for the increase is of (-3.95, 64.35). It contains 0 and negative values, hence those are plausible values, and this is not enough evidence that the mean has increased, hence option e is correct.
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A tharsan thir has a thicknoss of about 60μm Part B What is this in millimeters? Express your answer using two significant figures.
The thickness of the tharsan thir is approximately 0.06 mm when expressed in two decimal places.
To convert micrometers (μm) to millimeters (mm), we need to divide the value in micrometers by 1000 since there are 1000 micrometers in a millimeter.
Given that the thickness is 60 μm, we can perform the conversion as follows:
60 μm / 1000 = 0.06 mm
Therefore, the thickness of the tharsan thir is approximately 0.06 mm when expressed in two decimal places.
Millimeters and micrometers are both units of length, with millimeters being the larger unit. Micrometers are often used to represent very small measurements, such as the thickness of thin materials or microscopic objects. In this case, the tharsan thir has a thickness of 60 micrometers, which is equivalent to 0.06 millimeters.
Converting between micrometers and millimeters is a simple process involving the division by 1000. This conversion is necessary when dealing with different scales or when using units that are more convenient for a specific application.
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A tharsan thir has a thicknoss of about 60μm. What is this in millimeters? Express your answer in two decimal places
I really need help with this question:
In a group of 14 children some are nine years old and the rest are eleven years old. When the ages of the 14 children are added together their total is 138 years. How many nine-year-old children are there?
Answer:
Therefore, there is 8 children that is 9 years old and 6 children that is 11 years old.
Step-by-step explanation:
Let x be the no. of 9 years old and y be the no. of 11 years old.
x+y= 14 (1)
9x+11y= 138 (2)
From (1) :
x=-y+14 (3)
sub (3) into (2) :
9(-y+14)+11y= 138
-9y+126+11y=138
2y= 138-126
y= 6 (4)
sub (4) into (1) :
x+6= 14
x= 8
what degree is an obtuse angle
Which one of the following would be most helpful in strengthening the content validity of a test?
A. Administering a new test and an established test to the same group of students.
B. Calculating the correlation coefficient.
C. Calculating the reliability index.
D. Asking subject matter experts to rate each item in a test.
Asking subject matter experts to rate each item in a test would be most helpful in strengthening the content validity of a test
Asking subject matter experts to rate each item in a test would be most helpful in strengthening the content validity of a test. Content validity refers to the extent to which a test accurately measures the specific content or domain it is intended to assess. By involving subject matter experts, who are knowledgeable and experienced in the domain being tested, in the evaluation of each test item, we can gather expert opinions on the relevance, representativeness, and alignment of the items with the intended content. Their input can help ensure that the items are appropriate and adequately cover the content area being assessed, thus enhancing the content validity of the test.
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32-(3^2-1)+20 ÷ 2
I want the solving for this problem please.
By calculating the given expression , we get 5 as a final resultant.
What is Algebraic expression ?
Algebraic expressions are the idea of expressing numbers the use of letters or alphabets without specifying their real values. The basics of algebra taught us the way to express an unknown fee the use of letters consisting of x, y, z, and so on. those letters are known as here as variables. An algebraic expression can be a aggregate of both variables and constants. Any fee that is placed earlier than and improved with the aid of a variable is a coefficient.
Given expression ,
32- (3^2 -1 ) + 20 / 2
So by using the BODMAS rule ,
32 - (3*3 - 1 ) + 20 / 2
23 - (9 - 1 ) + 10
23 - (8) + 10
23 - 18
23 - 18
= 5
Hence, By calculating the given expression , we get 5 as a final resultant.
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What is the dollar value of 10 pennies and 3 nickels? What is the dollar value of p
pennies and n nickels?
Answer:
25
Step-by-step explanation:
find the missing term in geometric sequence. 4,....,16
Answer:
4, 8 ,16
Step-by-step explanation:
4 * 2 = 8
8 * 2 = 16
A company packages colored wax to make homemade candles in cube-shaped containers. The production line needs to plan sizes of the containers based on the associated costs. Write a cube root function that tells the side lengths of the container, x, in inches for a given cost, C.
x(C) (??????)
nothing (Type an expression using C as the variable.)
The question is an illustration of inverse functions.
The cube root function is: \(\mathbf{ x(C) = \sqrt[3]{C} }\)
The question implies that the cost of the cube container is gotten from its volume.
So, the cost function is:
\(\mathbf{ C(x) = x^3}\)
Next, we calculate the inverse function as follows:
\(\mathbf{ C(x) = x^3}\)
Rewrite as:
\(\mathbf{ C = x^3}\)
Take cube root of both sides
\(\mathbf{ \sqrt[3]{C} = \sqrt[3]{x^3}}\)
\(\mathbf{ \sqrt[3]{C} = x}\)
Make x the subject
\(\mathbf{ x = \sqrt[3]{C} }\)
Express x as a function of C
\(\mathbf{ x(C) = \sqrt[3]{C} }\)
Hence, the cube root function is:
\(\mathbf{ x(C) = \sqrt[3]{C} }\)
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