Answer:
18 3/4
Step-by-step explanation:
Answer:
18 3/4 or 75/4
Step-by-step explanation:
what does a correlation coefficient of 0 indicate?
It is crucial to note that a correlation coefficient of 0 does not imply that there is no link between the variables; rather, it indicates that the relationship is not linear.
What is correlation coefficient?A correlation coefficient is a statistical measure of the extent to which changes in one variable predict changes in another. The value of a positively linked variable rises or falls in lockstep. Correlation coefficients, in summary, are used to determine the strength and direction of linear correlations between pairs of variables. Pearson's correlation coefficient should be used when both variables are normally distributed; otherwise, Spearman's correlation coefficient should be used. Pearson's correlation coefficient is calculated by dividing the covariance of two variables by the product of their standard deviations.
Here,
A correlation value of 0 denotes that no linear relationship exists between two variables. It indicates that whether one variable rises or decreases, the other variable does not change. In other words, no relationship exists between the two variables.
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- 4.2 explain in your own words what it means when one alternative stochastically dominates another.
When one alternative stochastically dominates another, it means that the first alternative has a higher probability of leading to a better outcome than the second alternative, regardless of the decision maker's attitude towards risk.
In other words, one alternative stochastically dominates another when, for any level of payoff that the decision maker might find acceptable, the first alternative has a higher probability of achieving that level of payoff than the second alternative.
This concept is often used in decision-making under uncertainty, such as in the field of economics. It can help decision makers to compare different alternatives and choose the one that is more likely to lead to a desirable outcome. Stochastic dominance is a concept that is commonly used in decision theory and is based on the idea of probability. It refers to the relationship between two alternatives with respect to their probability distributions.
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- 4.2 explain in your own words what it means when one alternative stochastically dominates another?
when digitizing a recording of a musical performance, which of the following strategies will result in a more accurate digital representation of the original music? select two answers. increasing the sampling rate of the music being digitized increasing the volume of the music being digitized increasing the speed of the music that is being digitized increasing the bit depth of the music being digitized
When digitizing a recording of a musical performance, two strategies that will result in a more accurate digital representation of the original music are:
Increasing the sampling rate of the music being digitized: The sampling rate is the number of samples of the analog audio waveform taken per second. The higher the sampling rate, the higher the frequency range that can be captured, resulting in a more accurate representation of the original sound.
Increasing the bit depth of the music being digitized: The bit depth is the number of bits used to represent each sample of the audio waveform. The higher the bit depth, the greater the number of possible levels of amplitude that can be captured, leading to a more accurate representation of the original analog waveform and a clearer, more dynamic digital audio file.
Increasing the volume of the music being digitized and increasing the speed of the music that is being digitized do not necessarily result in a more accurate digital representation of the original music.
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someone rolls a fair six-sided die and you win points equal to the number shown. what is the expected number of points after one roll?
If you roll a fair six-sided die, you will receive the indicated number of points. After one roll, 3.5 points should be expected.
A six-sided cube with the digits 1-6 printed on the faces is the most popular type of die. The value of the roll is indicated by the number of "spots" that are visible at the top. The opposite faces on the six-sided die are positioned so that they always add up to seven. The word "die" is derived from Old French and Latin datum, which means "anything provided or played." The names of the numbers are preferable, but some seasoned gamblers still refer to the different sides of the dice by using the terms ace, deuce, trey, cater, cinque, and dice.
Add up all of the die's pips., [tex]1+2+3+4+5+6=21[/tex].
The likelihood of a specific face being up on any roll of a single die is [tex]1/6[/tex].
After one roll, the anticipated number of points is [tex]21/6= 3.5[/tex]
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A realty company looks at a recent sample of houses that have sold. On testing the null hypothesis that 56% of the houses take more than three months to sell against the hypothesis that more than 56% of the houses take more than three months to sell against the hypothesis that more than .014. Which answer is appropriate?A. There is a 1.4% chance the null hypothesis is correct.B. There is a 1.4% chance that 56% of the houses take more than 3 months to sell.C. If 56% of the houses take more than three months to sell, there is 1.4% chance that a random sample proportion would be as high as or higher than the one they obtained.D. There is a 96.8% chance that 56% of the houses take more than 3 months to sell.
The correct response is C. If 56% of the houses take more than three months to sell, there is 1.4% chance that a random sample proportion would be as high as or higher than the one they obtained.
What is proportion?Numerous challenges in daily life can be solved with proportion, including those in business when handling transactions or in the kitchen, among other situations. It creates a connection between two or more values, making it easier to compare them. In the actual world, ratios and proportions are used by individuals in a variety of settings and contexts. To manage finances and shop, one uses ratios and proportions. Additionally, they are employed in value comparison. When two variables' ratios are equivalent, proportional relationships between them emerge. Another way to consider them is that in a proportionate relationship, one variable is consistently equal to the other's constant value.To learn more about proportion refers to:
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how many different ways can a group select to watch 2 musicals, 3 dramas, and 4 thrillers from 11 musicals, 8 dramas, and 7 thrillers?
A group can choose two musicals, three dramas, and four thrillers out of eleven musicals, eight dramas, and seven thrillers by using the formula 11C2 × 8C3.
An arrangement of items in a specific order is referred to as a permutation. Here, the components of sets are arranged in a linear or sequential order. For instance, the set A={1,6} has a permutation of 2, which is {1,6}, {6,1}. There is no other way to organize the components of set A, as you can see. Combinations are ways to choose elements from a collection in mathematics where the order of the selection is irrelevant. Let's say we have a trio of numbers: P, Q, and R. Next, combination determines how many ways we can choose two numbers from each group.
11C2 × 8C3
11*10/2*1=110/2=55
8c3=8*7*6/3*2*1
55×56 = 3080
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a boat is traveling east across a river that is 112 meters wide at 8 meters per second. If the river has a northeast current of 5 meters per second, what is the resultant speed of the motorboat rounded to the nearest tenth?
Resultant speed of the motorboat is 9.4 m/s.
What is Pythagorean Theorem?Pythagorean theorem states that the squared value of longest side in an right angle triangle will be equal to the addition of the squared value of two smaller sides. Thus, the resultant speed of the boat is 9.4 m/s
This is the concept of application of the pythagorean theorem.
The boat is traveling in the east direction at a speed of 8 m/s but the river has a northward current of 5 m/s. We know than both the directions (East and North) are perpendicular to each other. The bend tending toward east but the river slows down the speed and makes the boat tending toward north-east.
Thus, by applying Pythagorean theorem, the resultant speed can be calculated as:
c² = a² + b²
c² = 8² + 5²
c² = 64 + 25
c² = 89
c = [tex]\sqrt{89}[/tex]
c = 9.4 m/s
Hence, the resultant speed of boat is 9.4 m/s.
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Answer:
9.4
Step-by-step explanation:
just took the quiz
Type the correct answer in the box. Use numerals instead of words.
The cost of David's food at lunch was $15. A 7% sales tax was added, and he tipped the waiter 20% of the cost of the food.
What is the total amount, in dollars, that David paid?
$______
David paid a total amount of 19.05 in dollars.
What is Percentage?Percentage is defined as the parts of a number per fraction of 100. We have to divide a number with it's whole and then multiply with 100 to calculate the percentage of any number.
Percentage is usually denoted by the symbol '%'.
Cost of the food = $15
Sales tax = 7%
Cost of food with sales tax = 15 + (7% × 15) = $16.05
He tipped the waiter 20% of the cost of the food.
Total cost = $16.05 + (20% × 15) = $16.05 + 3 = $19.05
Hence the total amount is $19.05.
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Shana and Thad wrote this number in written form: 1,087,636. Whose is written correctly?
Shana - one billion, eighty-seven thousand, six hundred thirty-six
Thad- one million, eighty-seven thousand, six hundred thirty-six
Shana or Thad?
PLS HELP ASAP I NEED IT PLS PLS PLS
I WILL MARK BRAINLIST AND SET THIS 100 POINTS BUT PLS AWNSER CORRECTLY.THIS IS GRADED OUT OF 100% I need 80% to pass for an A- PLS YALL!
ANSWER EITHER 1 OR BOTH PARTS
Answer:
140 for both
Step-by-step explanation:
An exterior angle and its adjacent interior angle are supplementary angles, so they add to 180°.
so Part A = 180-40=140
Part B
The exterior angle theorem states that: The measure of an exterior angle of a triangle is supplementary to its adjacent interior angle. The sum of the remote interior angles must equal the measure of the exterior angle of the triangle.
It's also 140
Sam and Tyrone are running on a trail. Sam reaches the 4th mile marker at the same time that Tyrone reaches the 1st mile marker. From the 4th mile marker, Sam runs another mile every 10 minutes. From the 1st mile marker, Tyrone runs another mile every 6 minutes. After how many minutes will Sam and Tyrone meet? A) 60 minutes B) 45 minutes C) 36 minutes D) 40 minutes
If Sam and Tyrone are running on a trail. Sam reaches the 4th mile marker at the same time that Tyrone reaches the 1st mile marker. The number of minutes that Sam and Tyrone meet is: B) 45 minutes .
How to find the number of minutes?Speed = Distance/Time
Sam speed = 1/10 mile/minute
Tyrone speed = 1/6 mile/minute
Time distance covered by Tyrone= (4-1) + x
Time taken= t
Hence,
x/(1/10) = (3 + x)/(1/6)
10x = 6(3 + x)
10x = 18 + 6x
4x = 18
x = 9/2
Time ( t) =x/(1/10) = (3 + x)/(1/6)
Time ( t) = (9/2)/(1/10)
Time ( t) = 45 minute
Therefore the correct option is B.
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Find the surface area of each prism below
The surface area of a solid object is defined as the area that the object occupies. To find the surface area we must find the total area of its faces.
Here, we are given a triangular prism and we are asked to find its surface area.
How do we find the surface area of a triangular prism?We can find the area of a triangular prism using the following formula (as shown in the attached image, Please note that "b" and "s2" have the same defined length) :
(S + b + h)L + bh
Where
S = Slant length b = the length of the base H = height of triangle L = length of prismHere, we are given the length of the base(8in), the height(15in) and the length of the prism(21in); however we are not given the slant length. so we must find it.
Finding the slant lengthIf we ignore the prism itself and look at the base, we notice that the base is a right angled triangle. Within the triangle we have its base length and height and we need to find the hypotenuse. We can do so by using the Pythagorean theorem: a² + b² = c² where a and b = length of legs and c = hypotenuse.
Here a and b = 15 and 8.
By plugging in these values we acquire:
==> 15² + 8² = c²
==> 225 + 64 = c²
==> 289 = c²
==> 17 = c
So the hypotenuse (or slant length) = 17
Finding the surface areaNow that we have identified all the variables we can finally plug in the values to get the surface area.
We have
S = 17b = 8h = 15L = 21Plugging this into (S + b + h)L + bh, we acquire
==> (17 + 8 + 15)21 + 8(15)
==> 40(21) + 8(15)
==> 840 + 8(15)
==> 840 + 120
==> 960
The surface area is 960 in²
latoya is the vice president of human resources at homehealth, a company that delivers oxygen and other supplies to patients in their homes. recently, latoya discovered that her male delivery drivers were earning 25% more than her female delivery drivers. what can she do to handle this problem? check all that apply.
She should:
Calculate the total compensation her drivers receive, including benefits and any perks they may get.Make sure that all of her drivers know how Home Health's pay practices work.LaToya should address the pay discrepancy by looking into the company's pay practices and ensuring they are in compliance with sex and gender discrimination laws. She should calculate the total compensation her drivers receive, including benefits and perks. She should also educate all of her drivers on how Home Health's pay practices work to avoid any misunderstandings.
It is not appropriate to assume that female drivers are performing at a lower level or to consider factors such as the frequency of asking for pay raises as a basis for pay disparities. Addressing pay disparities and promoting equality is a crucial part of LaToya's role as Vice President of HR.
Complete question:
Sex and gender discrimination laws LaToya is the Vice President of Human Resources at Home Health, a company that delivers oxygen and other supplies to patients in their homes. Recently, LaToya discovered that her male delivery drivers were earning 25% more than her female delivery drivers. What can she do to handle this problem? Check all that apply.
She should look at how often women have asked for pay raises. If they don't ask for increases as often as men do, there is no problem. She should assume that her female drivers are not performing at the same level as her male drivers. She should make sure that all of her drivers know how Home Health's pay practices work. She should calculate the total compensation her drivers receive, including benefits and any perks they may get.Read more about Promoting equality:
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Which inequality is a true statement?
Select each correct answer.
Responses
−3≤−1
negative 3 less than or equal to negative 1
−3<−1
negative 3 less than negative 1
−3=−1
negative 3 equals negative 1
−3≥−1
negative 3 greater than or equal to negative 1
−3>−1
The following inequalities are correct ,
1. −3 ≤ −1
2. −3<−1
So, Option A & B is correct
What are inequalities?Inequalities are the comparison of mathematical expressions, whether one quantity is greater or smaller in comparison to another quantity.
We use these symbols to represent inequalities, '>' , '<', '≥', '≤'
Given that,
The inequalities,
Statement 1: negative 3 less than or equal to negative 1
−3 ≤ −1
It is correct
Statement 2: negative 3 less than or equal to negative 1
−3 < −1
It is also correct
Statement 3: negative 3 equals negative 1
−3 = −1
It is Incorrect because -3 is less than -1
Statement 4: negative 3 greater than or equal to negative
−3 ≥ −1
It is also Incorrect because -3 is less than -1
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true or false: the median is the midpoint of the distribution. it is the number such that half of the observations fall above it, and half fall below it.
The median is the midpoint of the distribution. it is the number such that half of the observations fall above it, and half fall below it.
The following statement is correct.
The median M of a distribution is the number at which half of the observations are smaller and half are greater.
For skewed distributions or distributions containing outliers, the median is the most useful metric of central tendency. For example, in highly skewed income distributions, the median is frequently utilised as a measure of central tendency.
For normal distributions, the mean is employed. For skewed distributions, the median is typically utilised. The mean is not a reliable tool since it is heavily impacted by outliers. Because it is far more robust and comprehensible, the median is better suited for determining central tendency from skewed distributions.
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The force of attraction, F Newtons, between two magnets is inversely proportional to the square of the
distance, d cm, between the magnets.
When d = 1.5, F = 48.
(a) Find an expression for F in terms of d.
The expression for F in terms of d is F = 108 / d².
What is Proportion?Proportions are defined as the concept where two or more ratios are set to be equal to each other.
Suppose we have two ratio p : q and r : s. If these ratios are proportional, then we can write it as p : q = r : s or p/q = r/s.
Inversely proportional means, when one quantity increases, other decreases.
Given that,
The force of attraction, F Newtons, between two magnets is inversely proportional to the square of the distance, d cm, between the magnets.
F ∝ 1 / d²
This can be written as, for some constant k,
F = k (1 / d²)
When d = 1.5, F = 48.
48 = k (1 / (1.5)²)
48 = k / 2.25
k = 48 × 2.25
k = 108
So the expression relating F and d can be written as,
F = 108 / d²
Hence the required expression is F = 108 / d².
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Right circular cylinder A has a volume of $160pi cubic feet. Which of the following right circular cylinders have the same volume as cylinder A?
any cylindrical shape that has the r²h equal to 160 will have an equal volume.
What is volume?Volume, which is measured in cubic units, is the 3-dimensional space occupied by matter or encircled by a surface. The cubic meter (m3), a derived unit, is the SI unit of volume. Volume is another word for capacity.
Given, Right circular cylinder A has a volume of $160pi cubic feet.
The product of a cylinder's base area and height provides the formula for calculating the cylinder's volume. A cylinder's volume is equal to πr²h cubic units.
Where r is the radius
and h is the height
In our case volume = 160 * pi
By comparing,
r²h = 160
So we can state that any cylindrical shape that has the r²h equal to 160 will have an equal volume.
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what is 9.3488 rounded to the nearest thenth
Answer:
The number 9.3488 rounded to the nearest tenth is; 9.3
Step-by-step explanation:
pls, tell me if wrong have a good day/night<3
PLS HELP I NEED IT<3
Answer:
The y-intercept is the point where the graph crosses the y- axis. The line crosses the y-axis at (0,-6). So, the y-intercept is -6.
A. The y-intercept is 3,500. (0,3500)
B. The y-intercept represents the height of the glider when it starts falling.
Step-by-step explanation:
Answer:
See the attached image.
Step-by-step explanation:
The y-intercept is the point on a line when it touches the y-axis.
When the horizontal axis is time (t), this point at t = 0 represents when no time has passed since some point in time.
in step 5 of this activity, you created a data frame onlineta city hotels v2. what is the lead time in the first row created in this data frame? 1 point 65 88 92 100
The lead time for the first row in the data frame Onlineta City Hotels v2 is 65.
The lead time for the first row in the data frame Onlineta City Hotels v2 is calculated as follows: Take the difference of the checkout date (88) and the booking date (23) to get 65.
Lead Time = Checkout Date - Booking Date
Lead Time = 88 - 23
Lead Time = 65
Lead time is the time difference between when a customer books a hotel room and when they check out of the hotel. This lead time is important for a hotel, as it allows them to plan ahead and anticipate the demand for their rooms. Knowing the lead time helps a hotel manager to manage the availability of their rooms, ensure that they have enough staff on hand to accommodate guests, and plan for any other services that may be needed. It is also important for marketing purposes, as it allows a hotel to target customers who may be more likely to book a room in advance.
The lead time for the first row in the data frame Onlineta City Hotels v2 is 65.
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Answer:
The lead time in the first row of the onlineta_city_hotels_v2 data frame is 88. By using a filter with ggplot2, you are able to select specific segments of your data and plot them using R. Going forward, you can use filters and facets to compare visualizations of different aspects of the same data to gain even deeper insights from your analyses.
Step-by-step explanation:
how to find measurements
Answer:
-50 (Hopefully I gave the right answer. If I didn't, I'm sorry)
step-by-step explanation:
ABD= 2x-3 and DBE= 3x+8
2x-3=3x+8
Add 3 to both sides.
2x=3x+11
Now subtract 3x from both sides
-1x=11
Now divide both sides by -1
x=-11
Plug -11 in for x
2(-11)-3 and 3(-11)+8
-22-3 and -33+8
-25 and -25
-25+-25=-50
Its so hard and i need help
the uniform probability distribution is used with . a. a discrete random variable b. any random variable c. a normally distributed random variable d. a continuous random variable
The uniform probability distribution is used with option (d) a continuous random variable.
The uniform probability distribution is used for a continuous random variable, meaning that a variable can take on any value within a specified range, and the likelihood of any value within that range is equal. This distribution is often represented by a rectangle with height equal to the uniform probability density, and width equal to the range of the variable. In other words, if the range of a continuous random variable is from a to b, and we define the uniform distribution over this range, then the probability of any value between a and b is equal to (b-a)^-1. The uniform distribution is useful in various applications where the lack of knowledge of the underlying process leads to equal probabilities for all outcomes in a given range.
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justin had 3 rolls of ribbon. he used 1/5 of a roll of ribbon to tie a parcel and 2/5 of another roll of ribbon to tie a present. how many rolls of ribbon did he use in all?
Justin used average two rolls of ribbon in total, using 1/5 of one and 2/5 of another.
Justin had 3 rolls of ribbon before he started tying parcels and presents. He used 1/5 of a roll of ribbon to tie a parcel, and then used 2/5 of another roll of ribbon to tie a present. This means that he used two rolls of ribbon in total, with 1/5 of one and 2/5 of the other. He still has one roll of ribbon remaining, meaning that he didn't use all three rolls of ribbon. To calculate the total amount used, you would need to multiply 1/5 and 2/5 by the length of the ribbon, or alternatively multiply the two fractions together to get 2/5 of a roll of ribbon used. This means that he used two rolls of ribbon in total, with 1/5 of one and 2/5 of the other.
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Slope= 2/3
Point= (1, -3)
Write in point slope form
Answer:
y + 3 = 2/3(x - 1)
Step-by-step explanation:
y - y1 = m(x - x1)
y - (-3) = 2/3(x - 1)
y + 3 = 2/3(x - 1)
Assume we are in the process of entering data into an excel worksheet, and instead of typing the number 726, we type the number 762. this is what type of error?
Consider a situation where we are typing data it in to an Excel worksheet and accidentally type 762 instead of 726. This type of inaccuracy is referred to as "transposing."
Explain about the Transposing error in Excel worksheet?A vertical range containing cells is converted into a horizontal range, alternatively vice versa, via the TRANSPOSE function.
It is necessary to input the TRANSPOSE function as just an array formula in such a range with the same amount of rows and columns as the source range does.A typical accounting blunder called a transposition occurs when two (or more) consecutive digits are substituted. For instance, a transposition error occurs when a bookkeeper types 56 rather than 65. Determine the disparity here between recorded amount and indeed the correct amount to identify any inaccuracies.Consider a situation where we are typing data it in to an Excel worksheet and accidentally type 762 instead of 726.
Thus, this type of inaccuracy is referred to as "transposing."
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Find an equation of the line that satisfies the given conditions.Through (-1, -2) and (4, 3)
The equation of the line through the points (-1, -2) and (4, 3) is y = x + 3.
The equation of a line can be found using the point-slope form, where the slope of the line is determined from the two given points and the equation is written in the form y = mx + b, where m is the slope and b is the y-intercept.
Given the points (-1, -2) and (4, 3), the slope of the line can be calculated as (3-(-2))/(4-(-1)) = 5/5 = 1.
Plugging in the coordinates of one of the points and the slope into the point-slope form, we have:
y - -2 = 1(x - -1)
Simplifying, we get:
y = x + 3 is the required equation of the line.
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you try feeding your dog the same amount of food both with and without added water while using the same bowls at the same time of day. what is the independent variable
If we feed the dog with same amount of food and with , without water , then the independent variable is " presence or absence of added water" .
The Independent Variable is the factor that is manipulated or varied in an experiment in order to observe the effect on the dependent variable.
In this case, the dependent variable would be the amount of food consumed by the dog.
By adding or not adding water to the food and keeping all other conditions constant ; such as: using the same bowls, feeding the dog at the same time of day ,
the experiment aims to determine the effect of the independent variable (added water) on the dependent variable (amount of food consumed).
Therefore , the independent variable in this situation is " presence or absence of water" .
The given question is incomplete , the complete question is
You try feeding your dog the same amount of food both with and without added water while using the same bowls at the same time of day.
What is the independent variable ?
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lisa, aldo, and miguel have a total of in their wallets. miguel has times what aldo has. lisa has more than aldo. how much does each have?
Amounts that have with Lisa, Aldo, and Miguel in their wallets are $35, $25, and $100 respectively.
Lisa, Aldo, and Miguel have a total of $160 in their wallets.
Miguel has 4 times what Aldo has.
Lisa has $10 more than Aldo.
Let the amount that the Aldo has to be $x
Then according to the given question.
The amount that the Lisa has $(x+10)
The amount that the Miguel has $(4x)
So the total amount can be resulted as the sum of the amounts of the three each individual.
x + x + 10 + 4x = 160
6x + 10 = 160
6x = 160 - 10
6x = 150
x = 25
Therefore the amount in the Aldo wallet is $25
Hence, the amount in the Lisa's wallet is:
x + 10 = 25 + 10 = $35
Hence, the amount in the Miguel's wallet is:
4x = 4(25) = $100
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Lisa, Aldo, and Miguel have a total of $160 in their wallets. Miguel has 4 times what Aldo has. Lisa has $10 more than Aldo. how much does each have?
which of the following is an acceptable hypothesis? which of the following is an acceptable hypothesis? the new formula of puppy chow makes puppies grow 57% faster than the original formula of puppy chow chris sale was the best pitcher in chicago baseball history. ghosts really do exist. the new formula of puppy chow makes puppies grow at faster rate than the old formula of puppy chow. dogs are happy when you feed them steak
The first hypothesis is acceptable because it is testable. The second hypothesis is not acceptable because it is a statement of opinion. The third hypothesis is not acceptable because it is not testable and measurable. The fourth hypothesis is acceptable because it is testable.
The hypothesis " the new formula of puppy chow makes puppies grow 57% faster than the original formula of puppy chow " is a good hypothesis since it is testable and falsifiable.
"Chris Sale was the best pitcher in Chicago baseball history," is an opinion that cannot be verified or disproven via scientific investigation. This hypothesis is not acceptable because it is a statement of opinion.
The phrase "ghosts really do exist" is also neither testable or falsifiable, and hence is not an admissible hypothesis.
The statement "dogs are happy when fed steak" is a broad generalization that may not apply to all dogs, but it may be tested through controlled experiments. So it is also acceptable.
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