What percent of 15y is 75?
Answers
Answer:
20%
Step-by-step explanation:
because 15/75×100 =1/5×100=20%
Answer:
Step-by-step explanation:
x% of 15y = 75
x% =75/(15y) = 5/y
x = 500/y
Related Questions
a 6 ft man lifts a 100-lb weight from the floor to a height 1 ft above his head. how much work is done in lifting the weight?
Answers
700 ft-lbs of work is done in lifting the weight of the man.
Work, W= Fdcos∅
Where F is the force
d is displacement
and ∅ is the angle between them.
Since the direction of force is the same as the direction of displacement
so ∅ =0 thus cos∅ =cos0 =1
now, W=Fd
As we know force required to lift an object is equal to the weight of the object
F=100lb
Displacement = height of man+ height he needs to be lifted
Displacement = 6+1=7ft
Hence, W= 100x7
W=700 lbs-ft
Therefore, 700 ft-lbs of work is done in lifting the weight of the man 1ft above his head.
Work is the transferring of energy to or from an object via force along a fixed displacement.
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Is this right???
I give Brainliest !
Answers
Answer:
It is right
Step-by-step explanation:
good job whatever your name is! you are very smart
If P(B)=
4
1
,P(A∪B)=
2
1
and P(A∣B)=
3
2
, then which of the following statements is true? A) P(A)=
3
1
B) P(A∩B)=
12
1
C) P(B∣A)=
5
1
D) A and B are not independent.
Answers
None of the statements A, B, or C can be determined to be true based on the given information. we do not have enough information to determine the values of P(A), P(A∩B), or P(B|A) from the given probabilities.
To determine which statement is true, let's analyze the given information. We have:
P(B) = 4/1
P(A∪B) = 2/1
P(A|B) = 3/2
Let's evaluate each statement:
A) P(A) = 3/1
This statement is not directly supported by the given information. We cannot determine the value of P(A) solely based on the provided probabilities.
B) P(A∩B) = 12/1
This statement is also not supported by the given information. We do not have enough information to determine the value of P(A∩B).
C) P(B|A) = 5/1
This statement is not supported by the given information. We do not have any direct information about P(B|A), so we cannot determine its value.
D) A and B are not independent.
To determine whether A and B are independent, we can check if P(A∩B) = P(A) * P(B). However, as mentioned earlier, we do not have enough information to determine the value of P(A∩B). Therefore, we cannot conclude whether A and B are independent based on the given information.
In summary, none of the statements A, B, or C can be determined to be true based on the given information. The only conclusion we can draw is that we do not have enough information to determine the values of P(A), P(A∩B), or P(B|A) from the given probabilities.
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Write about the difference between monomials,
binomials, and trinomials
Answers
Answer:
The relationship between these terms may be sums or difference. You call an expression with a single term a monomial, an expression with two terms is a binomial, and an expression with three terms is a trinomial. An expression with more than three terms is named simply by its number of terms. Plz give brainiest
Step-by-step explanation:
Simplify each of the following:
A. 49 −−−−√ =
B. 100 −−−−√ =
C. −25−−√ =
Answers
B. 100=10
C. -25=-5
The average expenditure for hip replacement is $12,485 for country A and 14,438 for country B. the P value(two tailed) is 0.063. What do the data determine in this scenario? a. if average expenditure in country A can predict expenditure in country B b. if there is a relationship in average expenditure between the two countries c. if there is difference in average expenditure between the two countries d. if the average expenditure in country A and country B are normally distributed A sample of rural residents was surveyed to determine the number of times for residents saw a primary care provider in one year. On average, the participants saw their provider 3.3 times per year. ( 95% confidence interval 0.1 to 6.1 ) why was this of statistical use for this sample? a. It was a count variable b. It was a categorical variable c. It is a binary variable d. It is a ratio variable Administrators at a rural hospital want to determine causes for their financial distress. In doing so, they have identified that the average operating margin for a rural hospital is −1.32% (stander deviation is ±0.89% ) Why is the average operating margin appropriate to use in this situation? a. It is a measure of the fifth percentile b. it identifies the range of the data c. it identifies the outliers in the data d. it is a measure of central tendency Ebola is transmitted through human contact. although relief agencies sent medical team to provide treatment the impacted communities prefer to maintain isolation against outsiders. the distrust of outsiders 'cause a hesitancy to accept treatment. which consideration factor will ultimately contribute to the spread of Ebola? a. the influence of non-indigenous people b. the population density of the affected area c. dry and air climates which suits the virus d. the cultural influence of the community Last year a developing country had 1500 reported cases of malaria. during that time there were 400 deaths reported from the disease: 300 of the disease were people over age 18 , in 100 deaths were people underage 18 . What is the case fatality rate? 100∗100/400=25 400∗10/1500=2.67 100∗10/400=2.5 400∗100/1500=26.67
Answers
The case fatality rate is 400 * 100 / 1500 = 26.67 (option d).
For the first scenario, the data determine that there is a difference in average expenditure between the two countries (option c). The P-value of 0.063 suggests that there is a moderate level of statistical significance, indicating that the difference in average expenditure is likely not due to random chance.
In the second scenario, the fact that the 95% confidence interval for the average number of times participants saw their provider per year (3.3) ranges from 0.1 to 6.1 is of statistical use because it provides a range estimate within which the true population means is likely to fall. This interval helps account for the uncertainty associated with the sample estimate and provides a measure of the precision of the estimate (option a).
For the third scenario, the average operating margin is appropriate to use because it is a measure of central tendency that represents the typical financial performance of rural hospitals. The standard deviation provides information about the variability of the operating margins (option d).
In the fourth scenario, the consideration factor that will ultimately contribute to the spread of Ebola is the population density of the affected area (option b). While factors like the influence of non-indigenous people and climatic conditions may play a role, population density is a key determinant in the transmission and spread of infectious diseases.
For the fifth scenario, the case fatality rate is calculated by dividing the number of deaths from the disease (400) by the total reported cases (1500) and multiplying by 100. Therefore, the correct calculation is 400 * 100 / 1500 = 26.67 (option d). This indicates that the case fatality rate is approximately 26.67%.
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Find the output, y, when the input,x, is 6.
y =?
Answers
Answer:
Y= 0
Step-by-step explanation:
I need help solving this pls
Answers
Answer:
Adding them together. x = 3/2, y = 8
Step-by-step explanation:
Adding because we want to get rid of a variable. If we add, 2x + 6x = 8x, 1/2 * y + (-1/2 * y) = 0, and 7 + 5 = 12. Adding gets rid of the y variable.
By adding we get that 8x = 12 which gives us x = 12/8 = 3/2
Substituting this back into either equation will give us y = 8.
The solution for the following system of linear equation 3m-2n=13 is (2,-1) true or false
Answers
Answer:
Not True
Step-by-step explanation:
>_<
\(\text{To find your answer, plug in the values to the equation and solve:}\\\\3(2)-2(-1)=13\\\\\text{Solve:}\\\\3(2)-2(-1)=13\\\\6+2=13\\\\8=13\\\\\text{8 does not equal 13, therefore making the equation FALSE}\\\\\boxed{\text{False}}\)
At one school, the average amount of time that spend watching television each week is The principal introduces a campaign to encourage the students to watch less television. One year later, the principal wants to perform a hypothesis test to determine whether the average amount of time spent watching television per week has decreased from the previous mean of
Answers
Answer:
21.6 hours
Step-by-step explanation:
Hypothesis testing allows to identify a event test. The correct order of the steps of a hypothesis test is given following
1. Determine the null and alternative hypothesis.
2. Select a sample and compute the z - score for the sample mean.
3. Determine the probability at which you will conclude that the sample outcome is very unlikely.
4. Make a decision about the unknown population.
These steps are performed in the given sequence to test a hypothesis.
The principal tests the hypothesis with a mean of 21.6 hours for the determination of average amount of time spent watching television.
Factor x2+6xy+8y2. Pleas help
Answers
The factored form of the expression x² + 6xy + 8y² which is as required in the task content is; ( x + 2y ) ( x + 4y ).
What is the factored form of the expression as required in the task content?It follows from the task content that the factored form of the given expression as given is to be determined.
Since the given expression is;
x² + 6xy + 8y²
By factorisation; we have;
x² + 2xy + 4xy + 8y²
x ( x + 2y) + 4y (x + 2y)
( x + 2y ) ( x + 4y ).
Therefore, the required factored form is; ( x + 2y ) ( x + 4y ).
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find the probability that at most ten offer such courses. (round your answer to four decimal places.)
Answers
The probability that at most ten offers such courses depends on the total number of courses available and the probability of an offer being made.
To calculate the probability, we need to know the total number of courses available and the probability of an offer being made for each course. Let's assume there are N courses and the probability of an offer being made for each course is p.
To find the probability that at most ten offers such courses, we can use the binomial probability formula. The probability mass function for a binomial distribution is given by P(X=k) = C(n,k) * p^k * (1-p)^(n-k), where X is the number of offers made, k is the number of successful offers (courses offered), n is the total number of courses, p is the probability of an offer being made, and C(n,k) is the binomial coefficient.
To calculate the probability for the given scenario, we would substitute the appropriate values into the formula and sum the probabilities for k ranging from 0 to 10. However, since we don't have the values for N and p, we cannot provide a specific probability value.
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a car covered a certain distance at the speed of 24mph. while returning, the car covered he same distance witht eh spped of 16mph. what has his average speed?
Answers
Answer:
19.2
Step-by-step explanation:
You have to trust me, this answer is correct. But here's my solution:
With the formula
Distance=Speed multiplied by Time, we can infer that Speed=Distance/Time.
But we only have one variable (Speed) in the two we need (Speed and Time), we have to pretend we have both variables. You can put the time as 1 hour because that's the most basic unit. Note that this strategy will also work with 2 hours, 3 hours, or any measure of time.
So now for distance, let's see how fast a car can travel 24 miles. When going at 24 mph, then it'll take 1 hour. With 16 mph, then it'll take 1 hour and 30 minutes, so 1.5 or 3/2 hours.
Now we have the distance, which is 2 times 24 (Because the 24 mph and 16 mph both traveled 24 miles), equaling 48, and time, which is 1 hour plus 1.5 hours, which is 2.5 hours.
Now we use the formula Speed=Distance/Time, with 48/2.5=19 1/5 or 19.2
DUBS
(Please consider giving a Brainliest. I spent lots of time on this, and it's honestly the best answer out of all!)
5n + 20 -10 + 15n=50
Solve for the variable
Answers
Step-by-step explanation:
2n is the answer because you combined the two variables then you do 20n plus 20n minus. 10 equals 50 then subtract 10 from 50 and get forty the divide that by 20 which equals 2
In Apexville there are 260,000 45-year-olds. Based on the table below, how many are not expected to be alive in a year?
A.819
B.685
C.315
D.567
Answers
The expected number of 45-year old people in Apexville expected to not be alive in one year is given as follows:
A. 819.
How to obtain the expected number of people to be dead in one year?The expected number of 45 year old people in Apexville expected to be dead in one year is obtained by multiplication of the proportion of people that are expected to die by the number of 45-year-olds, which is of 260,000.
From the table given by the image at the end of the answer, the proportion of 45-year-olds not expected to be alive in one year is of:
315/100,000.
Hence the expected number of deaths in the year is given as follows:
E(X) = 260,000 x 315/100,000 = 2.6 x 315 = 819.
Meaning that option A is correct.
Missing InformationThe table with the proportions is given by the image shown at the end of the answer.
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Answer:819
Step-by-step explanation:
when the points on a normal probability plot lie approximately on a straight line, the data are approximately normally distributed.T/F
Answers
The given statement "When the points on a normal probability plot lie approximately on a straight line, the data are approximately normally distributed" is true because a straight line pattern on a normal probability plot indicates that the data closely conforms to a normal distribution.
A normal probability plot, also known as a quantile-quantile (Q-Q) plot, is a graphical tool used to assess whether a dataset follows a normal distribution. It compares the observed data points to the expected values if the data were normally distributed.
In a normal probability plot, the x-axis represents the theoretical quantiles of a normal distribution, while the y-axis represents the observed quantiles from the dataset being analyzed. If the dataset is normally distributed, the points on the plot will approximately fall along a straight line.
When the points on a normal probability plot lie approximately on a straight line, it suggests that the data follows a normal distribution. The closer the points align to a straight line, the stronger the evidence for normality. Deviations from a straight line indicate departures from normality.
If the points on the plot deviate from a straight line, it indicates that the data does not follow a normal distribution. The direction and curvature of the deviations provide insights into the nature of the departure from normality. For example, if the points curve upwards or downwards, it suggests skewness in the data.
Therefore, the statement is true: when the points on a normal probability plot lie approximately on a straight line, it indicates that the data is approximately normally distributed.
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2. Ms. Fallis wants to tile a kitchen counter that has an area of 2 square meters. She has 2000 square tiles with 3-centimeter sides. Does she have enough tiles to cover the counter?
Answers
Fallis has 2000 square centimeters (cm²) tiles, she does not have enough tiles to cover the entire counter.
To find out if Ms. Fallis has enough tiles to cover the counter, we need to calculate how many tiles are required to cover an area of 2 square meters.
Since the tiles have a side length of 3 centimeters, we need to convert the area of the counter to square centimeters.
1 square meter = 10000 square centimeters (cm²)
So, 2 square meters = 20000 square centimeters (cm²)
Now, we need to calculate the area of each tile:
Side length of each tile = 3 centimeters (cm)
Area of each tile = \((side length)^2\) = \((3 cm)^2\) = 9 square centimeters (cm²)
To cover the counter, we need to divide the total area of the counter by the area of each tile:
Number of tiles required = (Total area of counter) / (Area of each tile)
= 20000 cm² / 9 cm²
= 2222.22
Since we cannot have a fraction of a tile, we need to round up to the nearest whole number of tiles. So, Ms. Fallis needs at least 2223 tiles to cover the counter.
Since she has 2000 square centimeters (cm²) tiles, she does not have enough tiles to cover the entire counter.
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1. Find the point on the directed line segment from (-2, 0) to (5, 8) that divides it in the ratio of 1:3.
Answers
Step-by-step explanation:
1:3 means you need to find 1 /(1+3) = 1/4 th of the way to 5,8 from -2,0
x: from -2 to +5 is 7 units 1/4th * 7 = 7 /4 added to -2
is - 1/4
y: from 0 to 8 is 8 units 1/4 th * 8 = 2 added to 0 is 2
(-1/4 , 2)
How do you find the coordinates of a triangle with midpoints?
Answers
To find the coordinates of a triangle with midpoints, you must first calculate the midpoints of each side by averaging the coordinates of the two endpoints.
To find the coordinates of a triangle with midpoints, you first need to calculate the midpoints of each side of the triangle. To do this, take the two endpoints of the side and average their coordinates. For example, if the two endpoints are (x1, y1) and (x2, y2), then the midpoint would be ((x1+x2)/2, (y1+y2)/2). Once you have all the midpoints, you can use the midpoint formula to calculate the coordinates of the triangle. The midpoint formula states that the coordinates of the triangle can be found by taking the average of the midpoints of the three sides.
To find the coordinates of a triangle with midpoints, you must first calculate the midpoints of each side by averaging the coordinates of the two endpoints. Then use the midpoint formula to take the average of the three midpoints to find the triangle's coordinates
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The lengths of the diagonals of a parallelogram are 10 feet and 16 feet. If one side of the parallelogram measures 4 feet, to the nearest hundredth of a degree, find the measure of the acute angle formed by the intersection of the diagonals.
Answers
Answer: 24.15
Step-by-step explanation:
Can anyone answer this?
Answers
Answer:
you have it all right so now submit
Answer:
You have to know the key im assuring x= y divided by 8
Step-by-step explanation:
Find the slope between (-1, 3) and (5,-2)
Answers
5- -1=6
Answer: -5/6
Compare the fractions using the LCM.
1\7,2\3
Enter the correct inequality in the box.
Answers
Answer:
42
Step-by-step explanation:
1*3=3
it becomes 2,3 and 7
you will get the answer as 42
Help me please I don’t understand
Answers
Answer:
5 feet
Step-by-step explanation:
15 divided by 3 equals 5
Answer:
1cm = 5 feet.
Step-by-step explanation:
It is saying that the real room is 15 feet for every 3 cm.
Please I need it asap
Answers
Answer:
lol.
Step-by-step explanation:
Refer to the image attached. Please rate, and let me know if you have any questions. Thanks!
Anita está asiendo pan de calabaza y tiene medio galón de masa ella planea verter la masa en un molde de vidrio con longitud de 9 pulgadas un ancho de 4 y una profundidad de cuatro determine si toda la masa cabra en el sartén
Answers
All the batter would fit into the pan as it has more volume than half a gallon.
What is a cuboid?A cuboid is a three-dimensional closed figure which has volume along with surface area.
The volume of a cuboid is the product of its length, width, and height.
The total surface area of a cuboid is 2(lw + wh + wl) and the lateral surface area is 2(l + w)×h.
We know, One gallon is equal to 231 cubic inches.
Therefore, Half a gallon is equal to 231/2 cubic inches.
The volume of the pan is (9×4×4) cubic inches.
= 144 cubic inches.
Now, 144 > 231/2, so it would fit.
Q. Anita is baking pumpkin bread and has a half gallon of batter. She plans to pour the batter into a glass pan with a length of 9 inches, a width of 4 inches, and a depth of four. Determine if all the batter will fit in the pan.
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How can I get to know the equation of a straight line when I have the two points?
Answers
ANSWER
\(y=5x-6\)EXPLANATION
Let the two points be (2, 4) and (3, 9).
The general form of the equation of a straight line is given by:
\(y=mx+b\)where m = slope
b = y-intercept
First, we have to find the slope of the line using the formula:
\(m=\frac{y_2-y_1}{x_2-x_1}\)where (x1, y1) and (x2, y2) are the two points that the line passes through
Therefore, the slope of the line is:
\(\begin{gathered} m=\frac{9-4}{3-2}=\frac{5}{1} \\ m=5 \end{gathered}\)Now, we find the equation of the line using the point-slope method:
\(y-y_1=m(x-x_1)\)Therefore, the equation of the line is:
\(\begin{gathered} y-4=5(x-2) \\ y-4=5x-10 \\ y=5x-10+4 \\ y=5x-6 \end{gathered}\)write an expression equivalent to -12 divided by 19
Answers
Answer:
-24/38
Step-by-step explanation:
write the absolute value function as a piecewise function y=6|x-3|
Answers
= (6*x)-(6*3)
=6x - 18
= -12
Let A ⊆ N + and B ⊆ N + be nonempty sets of positive integers. Define A + B def = {a + b : a ∈ A, b ∈ B}. Show that A + B is finite if and only if both A and B are finite.
Answers
Therefore, we can conclude that if A and B are non-empty sets of positive integers, then A + B is finite if and only if both A and B are finite.
The given problem is asking us to prove that A + B is finite if and only if both A and B are finite, where A and B are non-empty sets of positive integers. Let us try to prove this claim.Step 1: Prove that A + B is finite if A and B are finiteWe can prove this statement by contradiction. Let's assume that A and B are finite, but A + B is infinite. Since A and B are finite, they must have a maximum element, say a_0 and b_0. Then, A + B contains all the positive integers greater than or equal to a_0 + b_0. But this contradicts the assumption that A + B is infinite. Hence, A + B must be finite.Step 2: Prove that A + B is infinite if A or B is infiniteLet's assume that A is infinite and B is finite. We will show that A + B is infinite. Since A is infinite, we can find a_1 > a_0 such that a_1 ∈ A. Similarly, we can find b_1 ∈ B such that b_1 > b_0. Then, a_1 + b_1 > a_0 + b_0. Thus, A + B contains all the positive integers greater than or equal to a_1 + b_1, which means A + B is infinite. Similarly, we can prove that A + B is infinite if B is infinite. Hence, we have proved that A + B is finite if and only if both A and B are finite.Conclusion:Therefore, we can conclude that if A and B are non-empty sets of positive integers, then A + B is finite if and only if both A and B are finite.
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