Gradient = rise/ run
rise is d
run is the difference in our x coordinates of c & e
(or c - e)
So, it's d/C - e
(3rd option)
Hope this helps!
Answer:
3rd option
Step-by-step explanation:
calculate the slope m using the slope formula
m = \(\frac{y_{2}-y_{1} }{x_{2}-x_{1} }\)
with (x₁, y₁ ) = E (e, 0 ) and (x₂, y₂ ) = (c, d )
m = \(\frac{d-0}{c-e}\) = \(\frac{d}{c-e}\)
The milligrams of aspirin in a person's body is given by the equation a = 500 x (3/4)^t , where is the number of hours since the patient took the medicine. In the equation, what does 3/4 tell us about the situation
In the equation a = 500 x (3/4)^t, the fraction 3/4 represents the rate at which the concentration of aspirin decreases over time in the person's body.
In the given equation, a represents the milligrams of aspirin in the person's body, t represents the number of hours since the patient took the medicine, and 3/4 is a fraction. The fraction 3/4 tells us about the rate at which the concentration of aspirin decreases over time in the person's body.
Specifically, it represents the proportion of the remaining amount of aspirin after each passing hour. Each hour, the concentration of aspirin is multiplied by 3/4, indicating that 3/4 of the previous amount remains. This implies that the concentration of aspirin diminishes by 25% (1 - 3/4 = 1/4 = 25%) every hour.
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true or false: every set of 15 socks chosen among 14 pairs of socks contains at least one matched pair. explain why.
The statement of the given question is True.
True. This is because there are only 14 different types of socks to choose from, so if you choose 15 socks, there must be at least one pair of socks that match. This is known as the Pigeonhole Principle, which states that if there are more pigeons than pigeonholes, at least one pigeonhole must contain more than one pigeon. In this case, the socks are the pigeons and the different types of socks are the pigeonholes.
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Write an equation in slope-intercept form for the line that contains the point
(5,-3)and is parallel to the line y = 4x +2
The equation for the line that contains the point (5,-3)and is parallel to the line y = 4x +2 is obtained using the point-slope form of the line as y=4x-23.
How can a line that passes through a point be found to be parallel to another line?Use the point's coordinates for (a, b) in the point-slope form to get a line that passes through the point and is parallel to a line: y - b= m (x -a). Simply enter the slope of the previous line for m.
A point (5,-3) and a line y = 4x +2 are given.
Find the slope of the given equation of the line.
On comparison of the given equation of the line with the standard equation of the line, y=mx+c
m=4
Plug the given point and the slope in the point-slope form of the line.
y-(-3)=4(x -5)
y+3=4x-20
y=4x-23
So, the required equation of the line is y=4x-23
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find an interval, of length 1 and having integer endpoints, on which the function has a root.
In summary, to find an interval of length 1 and having integer endpoints on which the function has a root, we can use a trial-and-error method to identify intervals that satisfy the given criteria. The choice of interval may depend on the specific function and there may be multiple intervals that satisfy these conditions.
To find an interval on which the function has a root, we need to consider the function's behavior and identify any potential zero crossings. An interval of length 1 with integer endpoints can be represented as [a, a+1] where a is an integer.
One approach to finding a root is to plot the function and visually identify where it crosses the x-axis. Another approach is to use algebra and solve for when the function equals zero. However, without knowing the specific function, we cannot use these methods.
Instead, we can use a trial-and-error method to identify an interval that satisfies the given criteria. For example, we can start by choosing an integer a and evaluating the function at a and a+1. If the function has opposite signs at these two endpoints, then by the Intermediate Value Theorem, the function must have at least one root in the interval [a, a+1].
We can continue this process until we find an interval that satisfies the given criteria. Note that there may be multiple intervals that satisfy these conditions, and the choice of interval may depend on the specific function.
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do all square numbers have an odd number of factors
No, not all square numbers have an odd number of factors. In fact, square numbers can have either an odd or an even number of factors, depending on their prime factorization.
A square number is a number that can be expressed as the product of an integer multiplied by itself. For example, 4 is a square number because it can be written as 2 * 2.
When we analyze the factors of a square number, we find that each factor has a corresponding pair that multiplies to give the square number. For instance, the factors of 4 are 1, 2, and 4. We can see that the pairs are (1, 4) and (2, 2). Thus, 4 has an even number of factors.
However, there are square numbers that have an odd number of factors. Consider the square number 9, which is equal to 3 * 3. The factors of 9 are 1, 3, and 9. In this case, 9 has an odd number of factors.
In conclusion, while some square numbers have an odd number of factors (like 9), others have an even number of factors (like 4). The determining factor is the prime factorization of the square number.
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what is the value ofny when -5 y-7/9
no links, pls help!!
Answer:
look at the photo x is the red and y is the blue
What is the volume of a sphere with a diameter of 4.9 cm, rounded to the nearest tenth of a cubic centimeter?
Answer:
V = 246.403 m3
Step-by-step explanation:
V = (1/2)(4/3)π(4.93)
V = 246.403 m3
Answer:61.6
Step-by-step explanation:
what do u have to do ik the order of operations rules but there is nothing in the parenthese to add or divided so what do u have to do so confused ?????
Answer:
10−(9)(−6)
=10−(−54)
=64
hope i helped
Many families in California are using backyard structures for home offices, art studios, and hobby areas as well as for additional storage. Suppose that the mean price for a customized wooden, shingled backyard structure is $3100. Assume that the standard deviation is $1200.
a. What is the z-score for a backyard structure costing $2300?
b. What is the z-score for a backyard structure costing $4900?
c. Interpret the z-scores in parts (a) and (b). Comment on whether either should be considered an outlier.
d. If the cost for a backyard shed-office combination built in Albany, California, is $13,000, should this structure be considered an outlier? Explain.
The z-score is a measure of how many standard deviations a data point is from the mean. It can be calculated using the formula
z = (x - μ) / σ,
where x is the data point, μ is the mean, and σ is the standard deviation.
a. The z-score for a backyard structure costing $2300 can be calculated as follows:
z = (2300 - 3100) / 1200 = -800 / 1200 = -0.67
b. The z-score for a backyard structure costing $4900 can be calculated as follows:
z = (4900 - 3100) / 1200 = 1800 / 1200 = 1.
c. The z-score in part (a) is -0.67, which means that the backyard structure costing $2300 is 0.67 standard deviations below the mean. The z-score in part (b) is 1.5, which means that the backyard structure costing $4900 is 1.5 standard deviations above the mean. Neither of these z-scores are extreme enough to be considered outliers, as they are both within 2 standard deviations of the mean.
d. The z-score for the backyard shed-office combination costing $13,000 can be calculated as follows:
z = (13000 - 3100) / 1200 = 9900 / 1200 = 8.25
This z-score is much larger than 2, which means that the structure costing $13,000 is more than 8 standard deviations above the mean. This is an extreme value and should be considered an outlier.
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–24 + 12d = 2(d – 3) + 22
Answer:
d = 4
Step-by-step explanation:
Answer:
d = 4
Step-by-step explanation:
–24 + 12d = 2(d – 3) + 22
–24 + 12d = 2d - 6 + 22
–24 + 12d = 2d + 16
–24 + 12d - 2d = 16
12d - 2d = 16 + 24
10d = 16 + 24
10d = 40
d = 4
SOMEONE HELP IM BEING TIMED I WILL GIVE BRAINLIEST 6TH GRADE MATH
Answer:
its a
Step-by-step explanation:
describe the circumstances under which the shape of the sampling distribution of pn is approximately normal.
Main Answer:The circumstances under which the shape of the sampling distribution of pn is approximately normal.
Supporting Question and Answer:
What is the Central Limit Theorem and how does it relate to the shape of the sampling distribution of pn?
The Central Limit Theorem states that, under certain conditions, the sampling distribution of the sample mean (or sum) approaches a normal distribution as the sample size increases, regardless of the shape of the population distribution. This theorem is applicable to the sampling distribution of pn (proportion) because the proportion can be considered as the sample mean of a binary variable (success or failure). As the sample size increases, the Central Limit Theorem ensures that the sampling distribution of pn becomes more approximately normal, making it a useful approximation for making inferences about the population proportion.
Body of the Solution:The shape of the sampling distribution of pn (proportion) is approximately normal under certain circumstances. These circumstances are related to the properties of the population being sampled and the sample size. Here are the key factors:
1.Large sample size: The sampling distribution of pn tends to become more approximately normal as the sample size increases. This is known as the Central Limit Theorem. As the sample size grows larger, the distribution of sample proportions approaches a normal distribution regardless of the shape of the population distribution.
2.Random sampling: The sample should be selected randomly from the population to ensure that each member of the population has an equal chance of being included in the sample. Random sampling helps to ensure that the sample is representative of the population.
3.Independence assumption: The sampled observations should be independent of each other. This means that the selection of one observation should not influence the selection or behavior of other observations. Independence is crucial to ensure that the sampling distribution accurately reflects the population distribution.
4.Adequate population size: If the population size is sufficiently large,
relative to the sample size, the shape of the sampling distribution of pn is approximately normal. In practice, if the population is at least 10 times larger than the sample size, this condition is considered to be met.
5.Binomial distribution approximation: The shape of the sampling distribution of pn is also approximately normal when the underlying population distribution follows a binomial distribution. The binomial distribution is characterized by a fixed number of trials and two possible outcomes (success or failure) for each trial.
Final Answer: These circumstances increase the likelihood of the sampling distribution of pn being approximately normal, it does not guarantee it in all cases. In practice, checking the normality of the sampling distribution can be done using statistical tests or graphical methods, such as a histogram or a normal probability plot.
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The circumstances under which the shape of the sampling distribution of pn is approximately normal.
What is the Central Limit Theorem and how does it relate to the shape of the sampling distribution of pn?The Central Limit Theorem states that, under certain conditions, the sampling distribution of the sample mean (or sum) approaches a normal distribution as the sample size increases, regardless of the shape of the population distribution. This theorem is applicable to the sampling distribution of pn (proportion) because the proportion can be considered as the sample mean of a binary variable (success or failure). As the sample size increases, the Central Limit Theorem ensures that the sampling distribution of pn becomes more approximately normal, making it a useful approximation for making inferences about the population proportion.
The shape of the sampling distribution of pn (proportion) is approximately normal under certain circumstances. These circumstances are related to the properties of the population being sampled and the sample size. Here are the key factors:
1.Large sample size: The sampling distribution of pn tends to become more approximately normal as the sample size increases. This is known as the Central Limit Theorem. As the sample size grows larger, the distribution of sample proportions approaches a normal distribution regardless of the shape of the population distribution.
2.Random sampling: The sample should be selected randomly from the population to ensure that each member of the population has an equal chance of being included in the sample. Random sampling helps to ensure that the sample is representative of the population.
3.Independence assumption: The sampled observations should be independent of each other. This means that the selection of one observation should not influence the selection or behavior of other observations. Independence is crucial to ensure that the sampling distribution accurately reflects the population distribution.
4.Adequate population size: If the population size is sufficiently large,
relative to the sample size, the shape of the sampling distribution of pn is approximately normal. In practice, if the population is at least 10 times larger than the sample size, this condition is considered to be met.
5.Binomial distribution approximation: The shape of the sampling distribution of pn is also approximately normal when the underlying population distribution follows a binomial distribution. The binomial distribution is characterized by a fixed number of trials and two possible outcomes (success or failure) for each trial.
These circumstances increase the likelihood of the sampling distribution of pn being approximately normal, it does not guarantee it in all cases. In practice, checking the normality of the sampling distribution can be done using statistical tests or graphical methods, such as a histogram or a normal probability plot.
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3. Find the constant proportionality for the table and writ in the form of y=mx.
Figure the slope/rate and put it in the formula where slope/rate goes.
Why would you need to know the rate of pieces of candy per box?
Make up a job or reason you would need to know this rate and write in complete sentences.
The constant of proportionality of the table is 15. The equation is y = 15x.
We need the Boxes of candy and the pieces of candy to know the slope or rate.
How to find the constant of proportionality in a proportional table?The table is a proportional table. Proportional relationships are relationships between two variables where their ratios are equivalent.
A proportional relationship can be represented in the from as follows:
y = mx
where
m = constant of proportionalityx and y are the variablesx = boxes of candy
y = pieces of candy
Let's use one of the point on the table.
(10, 150)
Therefore,
y = mx
150 = 10m
divide both sides by 10
m = 150 / 10
m = 15
Therefore,
y = 15x
We need the boxes of candies and pieces of candy to know the rate.
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60 out of 1240 are poisonus. what percentage of trees are poisonus
Answer:
4.84%
Step-by-step explanation:
Answer:
60 poisonous trees. 1240 total trees. 4.84% of trees on the island are poisonous.
Step-by-step explanation:
How in statistics the bayesian approach is different from the frequentist approach?.
In statistics, the bayesian approach treats parameters as random variables while in frequentist approach the parameters are fixed.
What is bayesian approach in statistics?There are different approaches in statistics that are used in data analysis they include the following:
Bayesian approach in statistics is defined as the approach that applies probabilities in a statistical procedure by treating the parameters under evaluation, randomly. The variables are being treated randomly but not fixed.
The frequentist approach is defined as the approach in statistics that deals with the frequency or proportion of the data and variables.
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WHOEVER IS THE FIRST ANSWER I'LL MARK THE BRAINIEST ANSWER!!!
Find the arc length of the partial circle.
Either enter an exact answer in terms of
π
πpi or use
3.14
3.143, point, 14 for
π
πpi and enter your answer as a decimal.
Answer:
4π
Step-by-step explanation:
find the circumference first
2π r
2π 8=16π
then find the arc length
16π * 1/4
4π
Below is the normal distribution curve for height (inches) of NBA basketball players.
What is the mean height for NBA basketball players?
Judging by the pic I think it is 75
help it’s also not D :)
Answer:
the answear is c
Step-by-step explanation:
i learnt in class that the number with the letter is used to divide what it equalls
Answer:
C
Step-by-step explanation:
Step 2 is correct, that is
8x = 10 ( divide both sides by 8 ), error made here by dividing by 10
x = \(\frac{10}{8}\)
x = \(\frac{5}{4}\)
The error was made at step 3
For what value of the constant c is the function f continuous on (−[infinity], [infinity])?f(x) = cx^2 + 4x if x < 5x^3 − cx if x ≥ 5
The value of constant c for the given function is 3.5 .
The function says the when
x<5 f(x) = cx² + 4x
x>=5 f(x) = x³ - cx
Since the function is continuous from (-∞ , ∞) implies that the limits from both sides that is left hand limit (L.H.L) and right hand limit(R.H.L) must be equal .
\(lim_{x \rightarrow 5^{-}}\) = \(lim_{x \rightarrow 5^{+}}\\\)
Now , solving Left Hand Limit
\(lim_{x \rightarrow 5^{-}}\) f(x) = \(\lim_{h \rightarrow 0}\\\) f(5-h)
= \(\lim_{h \rightarrow 0}\\\\\) [c(5-h)² + 4(5-h)]
= c(5)² + 20
= 25c + 20
Now , solving Right Hand Limit
\(lim_{x \rightarrow 5^{+}}\) f(x) = \(\lim_{h \rightarrow 0}\\\) f(5+h)
= \(\lim_{h \rightarrow 0}\\\) [(5+h)³ - c(5+h)]
= (5)³ - 5c
= 125 - 5c
Now equate both LHL and RHL
25c + 20 = 125 - 5c
30c = 105
c = 105/30 =3.5
So , The value of constant c for the given function is 3.5 .
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Covert 1.18 into a fraction
Answer:
13/11
Step-by-step explanation:
| would assume you mean 1.18 recurring, because 1.18 as a fraction is 59/50.
To work out 1.18 recurring, first we ignore the 1.0 and focus on 0.18 recurring.
If x = 0.18 recurring
100x = 18.18 recurring
99x = 18
x = 18/99
= 2/11
Now, we add on the 1.0 (11/11) to get 13/11
Which postulate or theorem proves the triangles below are congruent?
Answer:
he
Step-by-step explanation:
he
SAS - We have two sides (the small lines indicate this) and the angles across from each other (vertical angles) are congruent. This means the triangles are proven congruent by the SAS Congruence Postulate.
Knowing this, we can say that AAS and ASA also apply, but as it is not known until we have SAS, I believe SAS is the only "correct" answer.
(HL does not apply here as we do not have right-triangles)
Have a nice day! :)
Simplify 7(x + 3). 7x + 3 7x + 10 7x + 21 x + 21
Answer: 7x+21
HOPE THIS HELPS :>
Step-by-step explanation:
"A HARFİ ile ilgili atasözleri ve anlamları
Answer:
al sana atasözleri ile igili atasözleri ve anlamları
triangles-- find the M<ECD if ABC angels are 31 degress.
picture added
Answer:
Step-by-step explanation:
180° - 2 × 31° = 118° is measure of an angle which is vertical to ∠ECD ⇒
m∠ECD = 118°
the amount of sales tax on a clothing purchase is directly proportional to the purchase price of the clothing. the sale tax on a $60 sweater is $4.20. determine the constant variation (sales tax percentage).
9514 1404 393
Answer:
7%
Step-by-step explanation:
The tax rate is the ratio of tax to pre-tax cost:
$4.20/$60.00 = 0.07 = 7%
The constant of variation (tax rate) is 7%.
please help! i will mark you as brainliest :) (worth 30 points)
Answer:
Step-by-step explanation:
Which of the following is a point-slope equation for a line with the point (-2, 4) and a slope of 3?
Answer:
y=3x+10
Step-by-step explanation:
y-4=(x+2)3
y-4=3x+6
y =3x+10
Divide $180 in the ratio of 2 : 3 : 4
Answer:
40,60,80
Step-by-step explanation:
let 2x 3x and 4x
9x=180
x=20
2x=40
3x=60
4x= 80
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Harvey the Huge once lifted a box filled with 100 bricks and 50 rocks. Each brick weighed 10 pounds. The rocks were all fairly small. What is the total weight of what Harvey lifted?
Answer:
50(20 + t) pounds
Step-by-step explanation:
Let the weight of each fairly small rock be represented by t pounds.
Each brick weighs 10 pounds, then:
the weight of 100 bricks = 100 x 10
= 1 000 pounds
Each rock weighs t pounds, then:
the weight of 50 rocks = 50 x t
= 50t pounds
Therefore, the total weight of what Harvey lifted = total weight of bricks + total weight of rocks
= 1 000 + 50t
= 50(20 + t) pounds