1. Andrea y Margarita decidieron compartir gastos en un apartamento, de manera proporcional a sus sueldos. Si Andrea gana $650.000 y Margarita gana $950.000 y, además los gastos de la casa son de $1’100.000 ¿Cuánto debe aportar cada una?
Answers
500,000 creo yo no sé puede ser
Related Questions
there are twelve gymnasts, among whom are lia, bella, and priscilla. there is going to be world cup competition. a team comprised of 5 gymnasts should be send to participate in the competition. how many ways can this be done so that the team includes exactly two gymnast from {lia, bella, priscilla}?
Answers
Number of ways 5 gymnasts participate including exactly two from Lia , Bella , Priscilla is equal to 252.
As given in the question,
Total number of gymnasts = 12
Number of gymnasts to be participates = 5
Condition:
Exactly two gymnasts from Lia , Bella , Priscilla
Number of ways 5 gymnasts participates
= ⁹C₃ × ³C₂
= ( 9!)/ ( 9 - 3)! 3! × 3!/ ( 3-2)! 2!
= [( 9× 8 ×7 × 6!)/ 6! ( 3× 2× 1)] × ( 3 × 2!)/ 2!
= [( 9× 8 ×7)/ ( 3× 2× 1)] × 3
= 252
Therefore, the number of ways 5 gymnast can participate out of 12 with the given condition is 252.
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O Caden is paid 6.5% commission on his
sales or a salary of $185, whichever is
higher. Find his earnings if his sales are
$3.790.
Answers
Answer:
Do you have a picture or anything to show the problem? I am having a hard time understanding what you have wrote.
Step-by-step explanation:
4 1/3 is what type of fraction
Answers
Answer:
A mixed fraction/mixed number
Step-by-step explanation:
Answer: mixed number
A mixed number is a fraction with a whole number, and a fraction. The number 4 1/3 has a whole number, and a fraction.
The answer is mixed number. Hope this helps!
40% of the group are athletes. There are 20 athletes. What is the total number of people in the group
Answers
Answer:
the number of athletes is 8
What is the main reason for conducting a 3-point stroke test on the pneumatic control valves on the 3-phase separator? To ensure that the control valves are not stuck when the controllers require the control valves to open or close precisely. To ensure that the control valves can move rapidly based on the controllers' output. To check that the controllers are functioning properly. To check that the valve positioner scales are accurate.
Answers
The main reason for conducting a 3-point stroke test on the pneumatic control valves on the 3-phase separator is to ensure that the control valves are not stuck when the controllers require the control valves to open or close precisely. This test helps verify that the valves are able to move freely and respond accurately to the signals from the controllers.
By conducting the 3-point stroke test, you can determine if the control valves can move rapidly based on the controllers' output. This is important because it ensures that the valves can respond quickly to changes in the process conditions and adjust the flow of fluids as needed.
Additionally, the test helps check that the controllers are functioning properly. If the control valves do not respond correctly to the signals from the controllers, it may indicate a problem with the controllers themselves. Identifying and addressing these issues is crucial to maintain the proper functioning of the control system.
Furthermore, the 3-point stroke test can be used to check the accuracy of the valve positioner scales. The valve positioner is a device that helps control the position of the control valve based on the input from the controllers. By conducting the stroke test, you can verify that the valve positioner scales are accurate and properly calibrated.
Overall, the main reason for conducting a 3-point stroke test on the pneumatic control valves on the 3-phase separator is to ensure that the control valves are not stuck, can move rapidly, the controllers are functioning properly, and the valve positioner scales are accurate. This test is crucial for maintaining the efficiency and reliability of the control system in the separator.
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the leading coefficient and degree
Answers
The leading coefficient and the degree are 7 and 5
How to determine the leading coefficient and degreeFrom the question, we have the following parameters that can be used in our computation:
-6 - 12x^2 + 7x^5 + 5x
The degree is the highest power in the expression
So, we have
Degree = 5
The leading coefficient is the coefficient of the term with highest power in the expression
So, we have
leading coefficient = 7
Hence, the leading coefficient is 7
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5:12
How is the product of 2 and -5 shown on a number line?
c.
O
Mark this and return
Save and Exit
Next
Submit
Answers
Answer:
-3
Step-by-step explanation:
you would go from zero to -5 then go two numbers toward 0
Answer:
D
Step-by-step explanation:
It's just simplified. For more look at the previous answer.
A total of 33,000 is being invested in a local bank. The amount invested in stocks is one half of the amount invested in
bonds. How much is invested in bonds?
Answers
The amount invested in bonds when total of 33,000 is being invested in a local bank is 13200.
How to calculate the amount invested?Let the amount invested in bond = x
The amount invested in stocks is one half of the amount invested in bonds. This will be:
= 1.5 × x = 1.5x
Therefore, the expression will be:
Stock + Bond = 33000
1.5x + x = 33000
2.5x = 33000
Divide
x = 33000 / 2.5
x = 13200
The amount is 13200.
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what distribution is used with the global test of the regression model to reject the null hypothesis?
Answers
F distribution is used with the global test of the regression model to reject the null hypothesis.
The hypothesis test will be conducted using a novel distribution. After the English statistician Sir Ronald Fisher, it is known as the F distribution. A ratio, the F statistic is (a fraction). One set of degrees of freedom is for the denominator, and the other set is for the numerator.
According to the null hypothesis, all group population means are equal. Because it is assumed that the populations are normal and that they have similar variances, the equal means hypothesis indicates that the populations have the same normal distribution. All groups are samples from populations with the same normal distribution, according to the null hypothesis. According to the alternative theory, at least two of the sample groups are drawn from populations with various normal distributions.
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plz help i dont want to fail plzzzzzz
Answers
5p + 2c = 34 ⇒ 15p + 6c = 102
14c = 98
14 14
c = 7
5p + 2(7) = 34
5p + 14 = 34
- 14 - 14
5p = 20
5 5
p = 4
(p, c) = (4, 7)
Answer:
c= 7 p=4
Step-by-step explanation:
3p + 4c = $40
therefore
15p + 20c = 200
5p + 2c = 34
therefore
15p + 6c = 102
14c = 98
98/14=7
c = 7
5p + 2(7) = 34
5p + 14 = 34
- 14 - 14
5p = 2020/5= 4
p = 4
John wanted to estimate the average literacy rate for all countries. He randomly selected 35 countries and researched the literacy rate for the 35 countries. The statistical unit for John's study is:
A. the 35 countries
B. a literacy rate. C. a country O
D. an individual
Answers
The statistical unit for John's study is A. the 35 countries. John is trying to estimate the average literacy rate across all countries, and he randomly selected 35 countries to research their literacy rates. The statistical unit in this case is the individual country, as each country's literacy rate is being used to calculate the average.
The statistical unit for John's study is A. the 35 countries. This is because John's study is based on a sample of 35 countries that he randomly selected. The sample is used to estimate the average literacy rate for all countries. The sample size of 35 countries is large enough to provide a representative sample of the population of countries. If John had selected only a few countries or individuals, his estimate of the average literacy rate would not have been reliable. However, by selecting a sample of 35 countries, John can make a more accurate estimation of the average literacy rate for all countries. In conclusion, the statistical unit for John's study is the sample of 35 countries that he researched to estimate the average literacy rate for all countries.
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Mr. Netto's is surrounded by zombies. To get away, he decides to lob a bottle of zombie killing gas in the air. This is modeled by the equation h(t)=−2t 2
−5t+20 where t is the time is seconds and h(t) is the height in metres. He then throws another bottle of gas straight at the first one. The equation for the path of this bottle is g(t)=6t−1. a. Use the discriminant to prove that Mr. Netto has good aim. (That the 2 bottles will collide at some point) [ 3 marks] b. How long did it take for the 2 bottles to collide? [ 4 marks] c. How high in the air did this happen?
Answers
The two bottles will collide when they are at a height of 1m.
a. To prove that Mr. Netto has good aim, we need to use the discriminant.
Given: h(t) = −2t² − 5t + 20 - Equation 1
g(t) = 6t − 1 - Equation 2
To get when the two bottles will collide, we need to solve for when h(t) = g(t)
Substitute the two equations (equation 1 and equation 2) to get:
6t − 1 = −2t² − 5t + 20
Rearrange the equation to be in standard quadratic form: 2t² + 11t − 21 = 0
We have the standard quadratic equation, ax² + bx + c = 0
where a = 2, b = 11, and c = −21.
Using the discriminant, b² − 4ac, we have: 11² − 4(2)(−21) = 529
We notice that the discriminant is positive, that is, b² − 4ac > 0. Therefore, Mr. Netto has good aim.
b. To find out the time it took for the two bottles to collide, we set the two equations to be equal. We get:
−2t² − 5t + 20 = 6t − 1
Simplify the equation and rearrange it to be in standard quadratic form: 2t² + 11t − 21 = 0
We will use the quadratic formula to solve for t:
\(t = \frac{-b ± \sqrt{b^2-4ac}}{2a}\) ⇒ \(t=\frac{-11\pm\sqrt{529}}{4}\)
Therefore:\(t = \frac{-11 + 23}{4}=3\) or \(t = \frac{-11 - 23}{4}=-8\)
Since we need to find the time, we ignore the negative time. Therefore, the two bottles will collide in 3 seconds.
c. To get the height at which the two bottles will collide, we substitute the time found in part b (t=3) to any of the two equations (equation 1 or equation 2).
Substituting 3 in equation 1:h(3) = −2(3)² − 5(3) + 20 = 1
Therefore, the two bottles will collide when they are at a height of 1m.
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Is the pair of equations y 0 and y =- 7 will have?
Answers
No Solution.
Since, the x-axis (equation y=0) does not intersect y=-7 at any point. The given pair of equations has no solution
Three Types of Solutions of a System of Linear EquationsConsider the pair of linear equations in two variables x and y.
a1x + b1y + c1 = 0
a2x + b2y + c2 = 0
Here a1, b1, c1, a2, b2, c2 are all real numbers.
Note that, a12 + b12 ≠ 0, a22 + b22 ≠ 0
1. If (a1/a2) ≠ (b1/b2), then there will be a unique solution. If we plot the graph, the lines will intersect. This type of equation is called a consistent pair of linear equations.
2. If (a1/a2) = (b1/b2) = (c1/c2), then there will be infinitely many solutions. The lines will coincide. This type of equation is called a dependent pair of linear equations in two variables
3. If (a1/a2) = (b1/b2) ≠ (c1/c2), then there will be no solution. If we plot the graph, the lines will be parallel. This type of equation is called an inconsistent pair of linear equations.
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Which angles are supplementary to each other?
Angle 4 and Angle 2
Angle 5 and Angle 2
Angle 4 and Angle 3
Angle 2 and Angle 7
Answers
Answer:
The answer is Angle 4 and Angle 3.
Answer:
It's answer is angle 4 and angle 3
A building is constructed using bricks that can be modeled as right rectangular prisms with a dimension of 8in by 2 3/4 by 2 3/4.If the bricks cost $0.06 per cubic inch, find the cost of 850 bricks. Round your answer to the nearest cent.
Answers
Given the building that can be modeled as a
right rectangular prism with dimentions
8 * 2 3/4 * 2 3/4
Volume is given by
\(V=8*2\frac{3}{4}*2\frac{3}{4}\)\(V=8*2\frac{3}{4}*2\frac{3}{4}\)\(V=60.5in^3\)since we have 850 bricks
the volume occupied by 850 bricks is therefore
\(Vbricks=60.5*850\)\(Vbricks=60.5*850\)\(Vbricks=51425\)then
the cost of the 850 bricks is
\(Cbricks=51425*0.06\)\(Cbricks=3085.5\)cost of bricks is $3085.50
Lily walks 60 feet in 10 seconds. Nora walks 25 feet in 5 seconds. Who walks at the faster rate? Explain how you know.
Answers
Answer: Lily
Step-by-step explanation:
Answer:
Lilly walks at a faster rate
Step-by-step explanation:
5 times 2 is 10 so if you multiply 25 by 2 you get 50
50 is less than 60 so Lilly walks faster
Is the relation in the table a function?
Answers
It is a function, therefore the answer is: C. Yes, because each input value corresponds to only one output value.
How to Determine if a Table Represents a Function?A table that can be said to represent a function must have exactly one output value (y-value) assigned to every input value (x-value). That is to say, no input value (x-value) has two different output values (y-values).
In the table that shows the relation given in the diagram above, we can see that each of the input value (x-value) has only one possible output value (y-value) that it corresponds to. No x-value (input value) has two different y-values (output values) it corresponds to.
Thus, the relation in the table can be said have satisfied the criteria of a function. Therefore, we can state that the relation in the table is a function.
Since it is a function, the answer therefore, is: C. Yes, because each input value corresponds to only one output value.
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a random sample is normally distributed. if all values in the sample and all values in the population are multiplied by 2, what is the impact on cohen's d?
Answers
Multiplying values by 2 in a normally distributed random sample and population increases the effect size as measured by Cohen's d.
The impact of multiplying all values in a normally distributed random sample and population by 2 on Cohen's d is an increase in effect size. Cohen's d measures the degree of difference between two sets of scores, calculated by dividing the difference between the two means by the pooled standard deviation. Therefore, when values are multiplied by 2, the means increase, leading to an increase in effect size as measured by Cohen's d.
In addition, multiplying values by 2 also increases the magnitude of the standard deviation, which is a measure of spread. When the standard deviation is larger, it requires a larger mean difference for Cohen's d to register a significant effect. Therefore, by increasing the standard deviation, the effect size measure will increase.
To summarize, multiplying values by 2 in a normally distributed random sample and population increases the effect size as measured by Cohen's d. This is because multiplying values by 2 increases both the mean and the standard deviation, which results in a larger mean difference and a larger standard deviation, respectively. Consequently, the effect size measure increases.
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if f(x)= -x^2 +10x + 3 and g(x) = -4x - 3x + 7 then g (x) - f (x) =
Answers
The value of operated function is -3x²-13x+4.
Given are two functions f(x) = -x²+10x+3 and g(x) = -4x²-3x+7, we need find g(x) - f(x),
So,
g(x) - f(x) = -4x²-3x+7 - (-x²+10x+3)
= -4x²-3x+7 + x²-10x-3
Combining the like terms,
= -4x²+x²-3x-10x+7-3
= -3x²-13x+4
Hence the value of operated function is -3x²-13x+4.
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Help Help Help Help please
Brainliest if correct
Answers
Answer:
least to greatest
|y-z|
|x-y|
|x-z|
z
Step-by-step explanation:
1/1
There is a proportional relationship between the volume of a sample of helium in liters and the mass of that sample in grams. If the mass of a sample is 5 grams, its volume is 28 liters. (5, 28) is shown on the graph below
What is the constant of proportionality in this relationship?
In this situation, what is the meaning of the number you found in question 1?(explain in the short answer)
Add at least three more points to the graph above, and label with their coordinates.(Show your work)
Write an equation that shows the relationship between the mass of a sample of helium and its volume. Use m for mass and v for volume.(Please answer in v = form)
Answers
Answer:
\(v = \frac{28m}{5}\)
Step-by-step explanation:
The meaning behind the constant of k = 28/5 is that it says that 1 gram of helium takes up 28/5 = 5.6 liters of space, and each time you increase the mass by 1 gram, the space increases by 5.6 also
3 more points:
- V1 = 28/5 * 10 = 56 liters
- v2 = 28/5 * 15 = 84
- V3 = 28/5 * 20 = 112
e. on a single roll of two number cubes, are rolling a sum of 6 and rolling doubles mutually exclusive events?
Answers
Yes, rolling a sum of 6 and rolling doubles on a single roll of two number cubes are mutually exclusive events.
To understand this, let's define the events first. Rolling a sum of 6 means that the two numbers on the number cubes add up to 6, such as rolling a 2 and a 4, or rolling a 3 and a 3. Rolling doubles means that the two numbers on the number cubes are the same, such as rolling two 2s or two 5s.
Since rolling doubles requires both number cubes to have the same number, it is not possible to have a sum of 6 in this case. Conversely, when rolling a sum of 6, the numbers on the number cubes must be different to add up to 6.
Therefore, rolling a sum of 6 and rolling doubles on a single roll of two number cubes are mutually exclusive events. They cannot occur at the same time, making it impossible to roll doubles and have a sum of 6 simultaneously.
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Can someone help me with this Question.
Answers
The formula we need to use is given above. In this formula, we will substitute the desired values. Let's start.
\(P=3W+D\)A) First, we can start by analyzing the first premise. The team has \(8\) wins and \(5\) losses. It earned \(8 \times 3 = 24\) points in total from the matches it won and \(1\times5=5\) points in total from the matches it drew. Therefore, it earned \(24+5=29\) points.
B) After \(39\) matches, the team managed to earn \(54\) points in total. \(12\) of these matches have ended in draws. Therefore, this team has won and lost a total of \(39-12=27\) matches. This number includes all matches won and lost. In total, the team earned \(12\times1=12\) points from the \(12\) matches that ended in a draw.
\(54-12=42\) points is the points earned after \(27\) matches. By dividing \(42\) by \(3\) ( because \(3\) points is the score obtained as a result of the matches won), we find how many matches team won. \(42\div3=14\) matches won.
That leaves \(27-14=13\) matches. These represent the matches team lost.
Finally, the answers are below.
\(A)29\)
\(B)13\)
Answer:
a) 29 points
b) 13 losses
Step-by-step explanation:
You want to know points and losses for different teams using the formula P = 3W +D, where W is wins and D is draws.
A 8 wins, 5 drawsThe number of points the team has is ...
P = 3W +D
P = 3(8) +(5) = 29
The team has 29 points.
B 54 pointsYou want the number of losses the team has if it has 54 points and 12 draws after 39 games.
The number of wins is given by ...
P = 3W +D
54 = 3W +12
42 = 3W
14 = W
Then the number of losses is ...
W +D +L = 39
14 +12 +L = 39 . . . substitute the known values
L = 13 . . . . . . . . . . subtract 26 from both sides
The team lost 13 games.
__
Additional comment
In part B, we can solve for the number of losses directly, using 39-12-x as the number of wins when there are x losses. Simplifying 3W +D -P = 0 can make it easy to solve for x. (In the attached, we let the calculator do the simplification.)
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Pls work this out I will give you brainest xx
Answers
Explanation:
Cross-multiply to solve.
6x - 5 = 3(5x + 9)
6x - 5 = 15x + 27
Subtract 27 and subtract 6x
-32 = 9x
Divide by 9
x = -32/9
Create a Pandas crosstab to compare the number of players in each position by foot. Set normalize='all' and margins=True to view the data as a percent of the total. What combination of footedness and position is the most rare in our data?
Answers
To create a Pandas crosstab to compare the number of players in each position by foot, we first need to import the pandas library and then use the `pd.crosstab()` function with the appropriate parameters.
We can set `normalize='all'` to view the data as a percent of the total and `margins=True` to include row and column totals. Here's how we can do it:
```python
import pandas as pd
# Create a crosstab with the desired parameters
crosstab = pd.crosstab(df['Position'], df['Foot'], normalize='all', margins=True)
# Print the crosstab
print(crosstab)
```
To find the combination of footedness and position that is the rarest in our data, we can use the `idxmin()` function to find the index of the minimum value in the crosstab. Here's how we can do it:
```python
# Find the index of the minimum value in the crosstab
min_index = crosstab.idxmin()
# Print the combination of footedness and position that is rare
print('The most rare combination of footedness and position is', min_index)
```
The output of this code will show the combination of footedness and position that is the rarest in our data.
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Thomas has finished 4 problems of his weekly math homework if he needs to solve a total of 20 problems which of the following shows the equivalent of the percentage of his math homework thomas still needs to complete.
Answers
Answer:
B and C
Explanation:
Number of the problems in total = 20
Number that he has finished = 4
So, the number of homework Thomas still needs to complete
=20-4
=16
Expressing this as a percentage, we have:
\(\begin{gathered} \text{Percentage}=\frac{16}{20}\times100 \\ =0.8\times100 \\ =80\% \end{gathered}\)Therefore, the equivalent of the percentage obtained above are:
\(\begin{gathered} (B)0.80 \\ (C)\frac{80}{100} \end{gathered}\)the president of a university claimed that the entering class this year appeared to be larger than the entering class from previous years but their mean sat score is lower than previous years. he took a sample of 30 of this year's entering students and found that their mean sat score is 1,501 with a standard deviation of 53. the university's record indicates that the mean sat score for entering students from previous years is $1,520. he wants to find out if his claim is supported by the evidence at a 5% significance level. which of the following best describes a type i error? the president concludes that the mean sat score of the entering students is lower than previous years when it is indeed not lower the president concludes that the mean sat score of the entering students is higher than previous years when it is indeed higher the president concludes that the mean sat score of the entering students is not lower than previous years when it is indeed lower the president concludes that the mean sat score of the entering students is lower than previous years when it is indeed lower
Answers
The result is not statistically significant.
To test the hypothesis is the mean SAT score is less than 1520 at 5% significance level.
The null hypothesis is
H₀ : μ ≥ 1520
The alternative hypothesis is
Hₐ : μ ≤ 1520
then the test statistic is,
t = (x - μ)/(s/√n)
= (1501 - 1520)/(53/√20)
t = - 1.603
The t-test statistic is - 1.603.
Degree of freedom n - 1 = 20 - 1 = 19
Hence the t-critical value is -1.792.
The conclusion is that the t value corresponds to sample statistics is not fall in the critical region, so the null hypothesis is not rejected at 5% level of significance. There is insignificance evidence indicates that the mean SAT score is less than 1520.
The result is not statistically significant.
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what is 28.5 inches in height?
Answers
A department store buys 100 shirts at a cost of $1,200 and sells them at a selling price of $29 each. Find the percent markup
Answers
Answer:
To find the percent markup, we can use the following formula:
Markup = (selling price - cost price) / cost price * 100
We know that the department store buys 100 shirts at a cost of $1,200 and sells them at a selling price of $20 each.
Markup = ($20 - $12) / $12 * 100
Markup = $8 / $12 * 100
Markup = 2/3 * 100
Markup = 67%
So the percent markup is 67%.
(-9x^2-2x)-(-9x^2-3x)
Answers
Answer:
It just simplifies to x
Step-by-step explanation: