emma wants to draw a triangle with side lengths of 4 inches, 12 inches, and 17 inches. Which statement is true? This triangle exists because the sum of any two side lengths is greater than the length of the third side. This triangle exists because the sum of 4 and 12 is less than 17. This triangle does not exist because the sum of any two side lengths is greater than the length of the third side. This triangle does not exist because the sum of 4 and 12 is less than 17.
Answers
Related Questions
help question 21 plzzz
Answers
Answer:
2,4
Step-by-step explanation:
like 2 down and 4 down
I don't really understand this Please help.
Answers
Answer:
The first one, third one, fourth one, and sixth one.
Step-by-step explanation:
I hope this helps!
The line plot displays the number of roses purchased per day at a grocery store.
A horizontal line starting at 1 with tick marks every one unit up to 10. The line is labeled Number of Rose Bouquets, and the graph is titled Roses Purchased Per Day. There is one dot above 1 and 10. There are two dots above 6, 7, and 9. There are three dots above 8.
Which of the following is the best measure of center for the data, and what is its value?
A. The mean is the best measure of center, and it equals 8.
B. The median is the best measure of center, and it equals 7.3.
C. The mean is the best measure of center, and it equals 7.3.
D. The median is the best measure of center, and it equals 8.
Answers
The best measure of center for the data is the median, and its value is 7.
Hence, the correct answer is:
B. The median is the best measure of center, and it equals 7.
To determine the best measure of center for the given data, we should consider the shape and distribution of the data points on the line plot.
Looking at the line plot, we can observe that the data is not symmetrically distributed.
The number of rose bouquets purchased per day ranges from 1 to 10, and there are varying frequencies for each value.
In this case, the best measure of center would be the median.
The median represents the middle value when the data is arranged in ascending or descending order.
Based on the line plot, we can see that the median would be the value that separates the data into two equal halves.
Counting the number of data points, we have a total of 19 data points. The middle value would be the 10th data point.
Looking at the line plot, the 10th data point corresponds to the value of 7.
Therefore, the best measure of center for the data is the median, and its value is 7.
Hence, the correct answer is:
B. The median is the best measure of center, and it equals 7.
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If a voter votes RIGHT in one election, the probability that the voter will vote LEFT in the next election is 0.2. If a voter votes LEFT in one election, the probability that the voter will vote RIGHT in the next election is 0.1. Assume that these are the only two parties available to vote for. 1. What is the Markov assumption? 2. Draw the transition diagram to this problem. 3. Write down the transition matrix. 4. If 55% of the electorate votes RIGHT one year, find the percentage of voters who vote RIGHT the next year. What would be the voter percentages in 10 years' time? Interpret your result. (2+2+3 marks) 5. Will there ever be a steady state where the party percentages don't waiver? Interpret your result. (3+3 marks)
Answers
After 10 years, the voter percentages would be approximately 50.3% for LEFT and 49.7% for RIGHT.
The Markov assumption in this context is that the probability of a voter's next vote depends only on their current vote and not on their past voting history. In other words, the Markov assumption states that the future behavior of a voter is independent of their past behavior, given their current state.
Transition diagram:
LEFT RIGHT
|--------->--------|
LEFT | 0.8 0.2 |
| |
RIGHT| 0.1 0.9 |
|--------->--------|
The diagram represents the two possible states: LEFT and RIGHT. The arrows indicate the transition probabilities between the states. For example, if a voter is currently in the LEFT state, there is a 0.8 probability of transitioning to the LEFT state again and a 0.2 probability of transitioning to the RIGHT state.
Transition matrix:
| LEFT | RIGHT |
---------------------------
LEFT | 0.8 | 0.2 |
---------------------------
RIGHT | 0.1 | 0.9 |
---------------------------
The transition matrix represents the transition probabilities between the states. Each element of the matrix represents the probability of transitioning from the row state to the column state.
If 55% of the electorate votes RIGHT one year, we can use the transition matrix to find the percentage of voters who vote RIGHT the next year.
Let's assume an initial distribution of [0.45, 0.55] for LEFT and RIGHT respectively (based on 55% voting RIGHT and 45% voting LEFT).
To find the percentage of voters who vote RIGHT the next year, we multiply the initial distribution by the transition matrix:
[0.45, 0.55] * [0.2, 0.9; 0.8, 0.1] = [0.62, 0.38]
Therefore, the percentage of voters who vote RIGHT the next year would be approximately 38%.
To find the voter percentages in 10 years' time, we can repeatedly multiply the transition matrix by itself:
[0.45, 0.55] * [0.2, 0.9; 0.8, 0.1]^10 ≈ [0.503, 0.497]
After 10 years, the voter percentages would be approximately 50.3% for LEFT and 49.7% for RIGHT.
Interpretation: The results suggest that over time, the voter percentages will tend to approach an equilibrium point where the percentages stabilize. In this case, the percentages stabilize around 50% for both LEFT and RIGHT parties.
No, there will not be a steady state where the party percentages don't waiver. This is because the transition probabilities in the transition matrix are not symmetric. The probabilities of transitioning between the parties are different depending on the current state. This indicates that there is an inherent bias or preference in the voting behavior that prevents a steady state from being reached.
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Peter and his four brothers combined all of their money to buy a video game. If 30% of the total money is Peter's, and $6.00 of the total money is Peter's, how much do all five brothers have combined
Answers
All five brothers combined have $20.00 using algebraic equation.
To solve this problem, we first need to find out how much money Peter and his brothers have combined. We know that 30% of the total money is Peter's, so we can use that to find the total amount of money. If $6.00 is 30% of the total, then we can set up an equation:
0.30x = 6.00
To solve for x, we can divide both sides by 0.30:
x = 20.00
This means that the total amount of money that Peter and his brothers have combined is $20.00.
To find out how much each brother contributed, we can divide the total by the number of brothers:
20.00 / 5 = 4.00
So each brother contributed $4.00 to the purchase of the video game.
Therefore, all five brothers combined have $20.00. It is important to remember that in order to find out how much each person contributed, we need to divide the total amount by the number of people involved. In this case, since there were five brothers, we divided the total by 5 to get the individual contribution of $4.00 per brother.
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pls help i think it worth it
Answers
Answer: all points are a solution except for (4, 2) (and (2, 0) i think)
Step-by-step explanation:
A doll-making company has been able to streamline their production process by having three jobs: assembling the doll, putting clothing on the doll, and putting the doll in the box. The table below illustrates the mean times (in seconds) and standard deviation for each task. Mean Standard Deviation
Assembly 36 2.5
Clothing 22 1.8
Boxing 8 0.75
The distribution of times for each step are approximately normal and independent. What are the mean and standard deviation of the total time (in seconds) to complete all three tasks? A. µx = 60.6 σx= 3.17 B. µx= 60.6 σx== 5.05
C. µx = 66 σx = 0.88 D. µx= 66 σx= 3.17
E. µx = 66 σx = 5.05
Answers
The mean and standard deviation of the total time are µx = 66 and σx = 3.17, so the correct answer is (D) µx= 66 σx= 3.17.
To find this:
The total time to complete all three tasks is the sum of the time taken for each task. The mean time to complete all three tasks (µx) can be calculated by adding the mean time for each task: µx = 36 + 22 + 8 = 66. The standard deviation (σx) of the total time can be calculated using the standard deviation of each task and the square root of the number of tasks (n).
Using the formula: \(\sigma x = \frac{\sqrt{\sigma1^2 + \sigma2^2 + \sigma3^2}}{\sqrt n}\),
where σ1, σ2, σ3 are the standard deviations of each task, n = 3.
Plugging in the values, we get
\(\sigma x = \sqrt(2.5^2 + 1.8^2 + 0.75^2)/\sqrt3 \\= \sqrt{6.25 + 3.24 + 0.5625}/\sqrt3 \\= \sqrt{10.0525}/\sqrt3 = 3.17\)
Hence, the mean and standard deviation of the total time are µx = 66 and σx = 3.17, so the correct answer is (D) µx= 66 σx= 3.17.
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Calculate the area of the regular pentagon.
Answers
The area of the regular pentagon is 252.7m²
How to determine the valueThe formula that is used for calculating the area of a regular pentagon is expressed with the equation;
A = 5/2 x s x a
where the parameters are;
's' is the side of the pentagon 'a' is the apothem length.Apothem is the line from the center of the pentagon to a side, intersecting the side at 90 degrees right angle.
apothem,a = s/2 tan (180/n)
Substitute the values
Apothem, a = 7.6/2 tan 16
a = 7.6/0.57 = 13.3m
Substitute the values, we get;
Area = 5/2 × 7.6 × 13.3
Multiply the values, we have;
Area = 505. 4/2
Divide the values, we get;
Area = 252.7 m²
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3. describe the pattern of learning math concepts according to siegler.
Answers
According to Siegler, the pattern of learning math concepts involves a gradual development and refinement of strategies. Siegler's theory, known as the overlapping waves model, suggests that learners use multiple strategies simultaneously and gradually shift towards more efficient ones over time. This process allows for a better understanding and application of math concepts, ultimately leading to improved problem-solving skills.
According to Siegler, the pattern of learning math concepts involves a gradual progression from using counting strategies to more efficient and accurate strategies. Children initially rely on counting strategies to solve math problems, such as counting fingers or objects. As they progress, they begin to use more advanced strategies, such as decomposition or mental math, which allow them to solve problems more quickly and accurately. Siegler also emphasizes the importance of practice and repetition in developing math skills and the role of feedback and instruction in promoting learning. Overall, Siegler's theory suggests that children's math skills develop through a combination of innate abilities and environmental factors, including exposure to math concepts and opportunities for practice and instruction in time.
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8) A furniture store sells a sofa for $50 more than twice the amount it costs the store. If the store sells the sofa for $750,
how much did the store pay for the sofa?
ALA
Answers
Answer:
700
Step-by-step explanation:
they got it for 50 and they want 759 so the answer is 700
a ferris wheel has a radius of 70 feet and makes a revolution every 60 seconds, the center of the wheel is 90 feet above the ground. the ferris wheel goes counter clockwise. write an equation to model the height of a rider who starts the ride at the 3:00 position? also what is the amplitude, vertical translation and the period
Answers
pesky children keep playing in Maya's yard. She wants to put a fence around her yard to keep those rebel rousers out. Her front lawn is 50 ft wide and 20 ft deep. She only wants to fence two sides and front, since the 4th side is her house. How many feet deep of fencing does she need?
Answers
Answer:
90
Step-by-step explanation:
50+20+20=90
pls vote me brainliest i need the points.
I need to find the surface area. it's a cut sphere with a diameter of 14.
Answers
Given data:
The diameter of the cut sphere, D=14 in.
The radius of the cut sphere is,
\(\begin{gathered} r=\frac{D}{2} \\ r=\frac{14}{2} \\ r=7\text{ in} \end{gathered}\)The cut sphere is called a hemisphere.
The surface area of a sphere is
\(A_1=4\pi r^2\)So, the lateral surface area of a hemisphere is half the surface area of sphere. Therefore, the lateral surface area of a hemisphere is,
\(\begin{gathered} A_2=\frac{4\pi r^2}{2} \\ A_2=2\pi r^2 \end{gathered}\)The hemisphere has a lateral surface and a circular surface. The area of the circular surface is,
\(A_3=\pi r^2\)Therefore, the total area of the hemisphere is,
\(\begin{gathered} A=A_2+A_3 \\ A=2\text{ }\pi r^2+\pi r^2 \\ A=3\text{ }\pi r^2 \end{gathered}\)The total surface area of a hemisphere is,
\(\begin{gathered} A_{}=3\text{ }\pi r^2 \\ A=3\text{ }\pi\times7^2 \\ A=461.8in^2 \end{gathered}\)Therefore, the total surface area of the cut sphere is 461.8 square inches.
Determine whether a triangle with a given side length is a right triangle
Answers
Answer:
the right answer is 50,40,30
Step-by-step explanation:
where Hypotenuse=50, Opposite=30, Adjacent=40
the ratio of wins to games played fir certain siftball team.is 2 to 3 I the team played 33 games how many game did the team win PLS HELP
Answers
Answer:22
Step-by-step explanation:
tell me if you want the explanation in the comments
Answer:
22
Step-by-step explanation:
If the total is 33 games ,33 divided in 3 parts,each part is 11
Of the 3 parts the team won 2 parts
so 2x11 = 22
What does it mean to SOLVE a system of linear equations?
Answers
Answer:
In solving a system of linear equations, we try to find values for each of the unknowns that will satisfy every equation in the system
Step-by-step explanation:
he line segment is rotated by 270 degrees counterclockwise about the origin to form C′D′. Which statement describes C′D′?
1. C′D′ is 4 units long.
2. C′D′ is 8 units long.
3. C′D′ is parallel to CD.
4. C′D′ is half the length of CD.
Answers
Answer:
it is parrell
Step-by-step explanation:
is this sss or sas or not enough information
Answers
Answer:
it SAS
Step-by-step explanation:
Side Angle Side
2 Sides are same
1st (Base) is given
and
2nd (height) common
and 1 angle is same (90°)
\(▪▪▪▪▪▪▪▪▪▪▪▪▪ {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪\)
The given triangles are congruent by :
ASA criterionbecause one of the sides of each triangle are equal, on eof them are common to each triangle and there is 90° Angle between both the sides of the two triangle.
A triangle has sides measuring 8 inches, 5 inches and 4 inches. How would you classify it?
Answers
Answer:
Acute triangle because the angles are smaller than a right triangle
Step-by-step explanation:
As 5² + 4² < 8² it falls into the category of a² + b² < c², therefore it is an acute angle triangle.
What is the way of classifying a triangle?If a² + b² < c² then it is an acute angle triangle.
If a² + b² = c² then it is a right-angle triangle.
If a² + b² ≥ c² then it is an obtuse angle triangle.
Given, A triangle has sides measuring 8 inches, 5 inches and 4 inches.
So, 5² + 4² ? 8².
25 + 16 ? 64.
41 ? 64.
So, 41 < 64 therefore it is a² + b² < c² then it is an acute angle triangle.
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An icecream shop has 10 flavors. One can choose 4 different
flavors. What is the total number of possible flavor
combinations?
a.
252
b.
462
c.
120
d.
330
e.
210
2.
Answers
An ice cream shop has 10 flavors and one can choose 4 different flavors. The question asks for the total number of possible flavor combinations.Therefore, we need to find the number of ways in which 4 flavors can be chosen from 10 flavors.
In such cases where order does not matter and repetitions are not allowed, we can use the formula for combinations which is as follows:C(n, r) = n! / (r! (n - r)!)Where n is the total number of items, r is the number of items being chosen at a time and ! represents the factorial function.
Using this formula we can find the total number of possible flavor combinations. Substituting the values in the above formula, we get:C(10, 4) = 10! / (4! (10 - 4)!)C(10, 4) = (10 * 9 * 8 * 7) / (4 * 3 * 2 * 1)C(10, 4) = 210Hence, there are 210 possible flavor combinations when one can choose 4 different flavors
.Explanation:The formula to be used for this type of question is combination. Combination is the method of selecting objects from a set, typically without replacement (without putting the same item back into the set) and where order does not matter. The formula for combination is given by C(n,r)=n!/(r!(n-r)!).
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can someone help please?
Answers
Answer:
B is the correct answer.
Step-by-step explanation:
Pi=3.14
So, 7+3.14=10.14
So yes, B is your correct answer.
Mark brainliest please!
I have been staying up studying all night i and have ming so mich trouble with this will someone help
Answers
Answer:
may be like this
its 32cm³
1-point free throw 2-point field goal he made 35 shots he scored 62 points how many of each shot does he make in 1 minute write the two equations for the problem
Answers
Answer:
x + y = 35 equation 1
x + 2y = 62 equation 2
He made 8 1 point free throw
He made 27 2 point field goal
Step-by-step explanation:
let x = 1 point free throw
y = 2 point field goal
two equations can be derived from the question
x + y = 35 equation 1
x + 2y = 62 equation 2
Subtract equation 1 from 2
y = 27
Substitute for x in equation 1
x = 35 - 27 = 8
He made 8 1 point free throw
He made 27 2 point field goal
kevin opened a savings account with texas national bank. his account has an apr of 1.75% compounded quarterly. if kevin opens his account with $2500, how long will it take for the account to earn $7500?
Answers
It will take 62.91 years for Kevin to make the amount $2500 to $7500 .
In the question ,
it is given that ,
the amount that Kevin deposited (P) in bank = $2500
the interest rate (r) = 1.75% ,
the compound interest is quarterly ,
So , n is = 4 .
let the time taken to earn $7500 be = x years ;
Substituting the values in the Amount formula for the Compound Interest ,
Amount = P(1 + r/n)ⁿˣ
7500 = 2500(1 + 0.0175/4\()^{4x}\)
Simplifying further ,
we get ,
3 = (1.004375\()^{4x}\)
After applying log both the sides ,
we get ,
log(3) = 4x*log(1.004375)
x = log(3)/(4*log(1.004375))
Simplifying further ,
we have ,
x = 62.91 years .
Therefore , the time taken is = 62.91 years
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Which of the following is an accurate definition for the power of a statistical test ?
A the probability of supporting true null hypothesis
B the probability of supporting a false null hypothesis
C the probability of rejecting a false null hypothesis
D the probability of rejecting a true null hypothesis
Answers
Which of the following is an accurate definition for the power of a statistical test is C. The power of a statistical test refers to the probability of rejecting a false null hypothesis. This means that the test is able to correctly identify when there is a significant difference between two groups or conditions.
statistical tests are used to determine whether the results of an experiment are likely due to chance or whether there is a real effect. The null hypothesis states that there is no significant difference, while the alternative hypothesis states that there is. The power of a statistical test refers to the ability of the test to correctly reject the null hypothesis when it is false, and thus support the alternative hypothesis.
, the power of a statistical test is the probability of correctly rejecting a false null hypothesis, which indicates that there is a significant difference between two groups or conditions.
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use the definition of ""f (x) is o(g(x))"" to show that 2x + 17 is o(3x ).
Answers
2x + 17 grows no faster than 3x as x approaches infinity.
How to show that 2x + 17 is O(3x)?To show that 2x + 17 is O(3x), we need to find two positive constants, C and k, such that:
|2x + 17| <= C|3x| for all x > k
We can start by simplifying the left-hand side:
|2x + 17| = 2x + 17 (since x is always non-negative)
Next, we can simplify the right-hand side:
|3x| = 3x
Now, we need to find C and k that satisfy the inequality:
2x + 17 <= C*3x for all x > k
Dividing both sides by 3x, we get:
(2/3) + (17/3x) <= C for all x > k
Since (2/3) is a constant, we only need to find a value of k such that (17/3x) is less than some other constant. Let's choose k = 1, then:
(17/3x) < 6 for all x > 1
So, we can choose C = 6 and k = 1. Therefore, we have shown that:
|2x + 17| <= 6|3x| for all x > 1
This satisfies the definition of 2x + 17 being O(3x), which means that 2x + 17 grows no faster than 3x as x approaches infinity.
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Rewrite the expression in terms of ln 5 and ln 6.
ln(27000)
Answers
We can rewrite ln(27000) in terms of ln(5) and ln(6) as ln(27000) = 3ln(5) + 3ln(6) by using logarithmic property.
Why are logarithm qualities significant?Due of their connection to exponential functions, logarithmic functions are crucial. Logarithms can be used to examine exponential equations and the properties of exponential functions.
We can use the logarithmic property that says:
log_a(xⁿ) = n×log_a(x)
to break down 27000 into factors that involve 5 and 6.
First, we can write:
27000 = 5³× 6³
When we take the natural logarithm of both sides, we obtain:
ln(27000) = ln(5³ × 6³)
Using the property above, we can simplify this expression as:
ln(27000) = ln(5³) + ln(6³)
Using another logarithmic property that says:
log_a(bⁿ) = c×log_a(b)
we can further simplify the expression:
ln(27000) = 3ln(5) + 3ln(6)
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if the inverse demand function for toasters is p=100-20 what is the consumer surplus if price is $35? The consumer surplus is $ (round your answer to two decimal places)
Answers
Given the inverse demand function p = 100 - 20q for toasters and a price of $35, we can find the consumer surplus.
First, we'll find the quantity demanded at the given price:
35 = 100 - 20q
20q = 100 - 35
q = (100 - 35) / 20
q = 65 / 20
q = 3.25
Now, to find the consumer surplus, we'll use the formula:
Consumer Surplus = (1/2) × Base × Height
The base represents the quantity (q = 3.25) and the height is the difference between the maximum willingness to pay (p = 100) and the actual price (p = 35).
Consumer Surplus = (1/2) × 3.25 × (100 - 35)
Consumer Surplus = 0.5 × 3.25 × 65
Consumer Surplus = 105.625
So, the consumer surplus is $105.63 when rounded to two decimal places.
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Describing How to Format Tables Using Table and Border Styles
Which tasks did Tristan do to format his table? Check
all that apply
Page 1
Page 2
Tristan's modified table is shown below.
O He clicked the Design tab.
Use
O He selected the whole table.
Percentage
17.5
9.5
O He changed the Table Style.
He used the No Border option.
He used the same Border Style.
He clicked the Banded Rows option.
9.2
9.1
Space cooling
Water heating
Lighting
Space heating
Refrigerators and freezers
Television and related
equipment
All other uses
8.8
5.9
40.0
He then formats his table using Table and
Answers
Answer:
He clicked the design tab
He selected the whole table
He changed the table style
Step-by-step explanation:
Just did the assignment :)
Therefore, the answer is as follows:
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Assume we have two events, A and B, that are mutually exclusive. Assume further we knowP(A) = .30 and P(B) = .40.What is P(A ⋂ B)?What is P(A | B)?
Answers
From the given question, we can easily calculate that P(A⋂ B) is equal to 0 and P(A | B) is also equal to 0.
Mutually exclusive events are those events that indicate that two or more events “do not occur” at the same time.
that clearly means that the intersection of their probabilities will be equal to 0
i.e. P(A⋂ B) = 0
and P(A|B) is called "Conditional probability", which means the possibility of an event or outcome happening(A), based on the given probability of a previous event or outcome(B)
and is given by,
P(A|B) = P(A ⋂ B)/P(B)
= 0/0.40
= 0
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