Answer:
The median is 6.5----------------------
There are four elements of data.
The median is the average of the middle two terms:
median = (5 + 8)/2= 13/2 = 6.5Answer:
6.5
Step-by-step explanation:
First, you should arrange the data in ascending to descending to find the median.
5, 5, 8, 15
Now let us use the given formula to find the median.
\(\sf \dfrac{n+1}{2} =--^t^h data\)
Here,
n → the number of elements
Let us find it now.
\(\sf Median= \dfrac{n+1}{2}\\\\\sf Median=\dfrac{4+1}{2} =2.5^n^d data\\\\\sf Median=\dfrac{2^n^d data+3^r^d data}{2}\\\\Median=\dfrac{5+8}{2}\\\\Median=\dfrac{13}{2}\\\\Median=6.5\)
The quotient of a number and 3 is -8. Find the number.
Answer:
\( \boxed{ \bold{ \huge{ \boxed{ \sf{ - 24}}}}}\)
Step-by-step explanation:
Let the number be 'x'
\( \sf{ \frac{x}{3} = - 8}\)
Apply cross product property
\( \dashrightarrow{ \sf{x = - 8 \times 3}}\)
Multiplying positive and negative integers gives a negative integer
\( \dashrightarrow{\sf{x = - 24}}\)
Hope I helped!
Best regards! :D
#18
(x^4+x^2-6)/(x^2+3)
Answer:
x^2-2
Step-by-step explanation:
(x^4+x^2-6)÷(x^2+3)
(x^-2) (x^2+3)
x^2-2
HEEEEEEELLLLPPPP NOOOWWWW PPPLLLLLZZ WILL GIVE BRAINLIEST!!!!!!!
Write the equation in slope-intercept form of the line that passes through
(4, −5) and is perpendicular to the graph of y = 4x + 12.
help please asap!!!!!
Answer:
3rd answer
Step-by-step explanation:
It is an open circle and it has to be less than 15 and since it is a positive it is to the right
Is the line x = 1 - 2t, y = 2 + 5t, z = -3t parallel to the plane 2x + y - z = 8? Give reasons for your answer.
No, the line x=1-2t, y=2+5t, z=-3t is not parallel to the plane 2x+y-z=8 as their dot product is not zero.
To determine if the line x = 1 - 2t, y = 2 + 5t, z = -3t is parallel to the plane 2x + y - z = 8, we can find the direction vector of the line and check if it is orthogonal to the normal vector of the plane.
The direction vector of the line is given by the coefficients of t in each component, which is (-2, 5, -3).
The normal vector of the plane is given by the coefficients of x, y, and z in the plane's equation, which is (2, 1, -1).
To check if the direction vector is orthogonal to the normal vector, we can take their dot product and see if it is zero:
(-2, 5, -3) * (2, 1, -1) = -4 + 5 + 3 = 4
Since the dot product is not zero, the direction vector of the line and the normal vector of the plane are not orthogonal, which means the line is not parallel to the plane.
The line x = 1 - 2t, y = 2 + 5t, and z = -3t is not parallel to the plane 2x + y - z = 8, hence the answer is no.
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2 fair dice are rolled and the sum is observed. compute: a) p(rolling a sum which is a multiple of 3 given that doubles are rolled) b) p(rolling doubles given that the sum rolled is a multiple of 4)
a.)The probability of getting a sum which is a multiple of 3 = 1/3
b.)The probability of getting a sum which is a multiple of 4 = 1/4
How to calculate the probability of a given event?To calculate the probability of the given event, the formula that should be used is given as follows;
Probability = possible event/sample space.
For a.)
sample space = 36
possible event = 12
probability = 12/36 = 1/3
For b.)
sample space = 36
possible event = 9
probability = 9/36 = 1/4
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Order the following numbers from greatest to least: -2, ½, 0.76, 5, √2, π. A. 5, π, √2, 0.76, -2, ½ B. 5, π, √2, 0.76, ½, -2 C. -2, 0.76, ½, √2, π, 5 D. -2, ½, 0.76, √2, π, 5
The correct order in greatest to least is A) 5, π, \(\sqrt{2}\), 0.76, -2, 1/2.
Ordering the numbers from greatest to least: 5, π, √2, 0.76, -2, ½
To order the numbers from greatest to least we need to check all the numbers given and then we specify the smallest and largest value corresponding to the given numbers. Also ordering can be done in ascending order from least to greatest value which is increasing order.
If we want to specify the descending order for the given numbers the order of ascending will be totally reversed. Then we will get the numbers from greatest to the least in order which means decreasing order.
Therefore, the answer is (A) 5, π, \(\sqrt{2}\), 0.76, -2, 1/2.
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another financial analyst, who also works for the online trading platform, claims their clients have a lower proportion of stock portfolios that contain high-risk stocks. this financial analyst would like to carry out a hypothesis test and test the claim that the proportion of stock portfolios that contain high-risk stocks is lower than 0.10. why is their hypothesis test left-tailed?
The hypothesis test is left-tailed because the financial analyst wants to test if the proportion of stock portfolios containing high-risk stocks is lower than 0.10.
In other words, they are interested in determining if the proportion is significantly less than the specified value of 0.10. A left-tailed hypothesis test is used when the alternative hypothesis suggests that the parameter of interest is smaller than the hypothesized value. In this case, the alternative hypothesis would be that the proportion of stock portfolios with high-risk stocks is less than 0.10.
By conducting a left-tailed test, the financial analyst is trying to gather evidence to support their claim that their clients have a lower proportion of high-risk stock portfolios. They want to determine if the observed data provides sufficient evidence to conclude that the true proportion is indeed less than 0.10, which would support their claim of a lower proportion of high-risk stocks.
Therefore, a left-tailed hypothesis test is appropriate in this scenario.
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you aint even saying why is yes you chould try explaining it better next time.
Answer:
As this is a super-serious totally relevant question, I will do my best to answer.
Explanation:
This has been erroneously mislabeled as mathematics instead of English because this is clearly a grammar problem.
The first error is capitalization at the beginning of the sentence.
You aint even saying why is yes you chould try explaining it better next time.
The second problem is the punctuation in multiple places. An apostrophe is needed in aint to make it ain't, and a period is needed after yes. Because of that period, you must capitalize that second you.
You ain't even saying why is yes. You chould try explaining it better next time.
The next error is a missing word to improve cohesiveness and make the sentence grammatically correct. You must add it after why.
You ain't even saying why it is yes. You chould try explaining it better next time.
The final thing to fix is a simple misspelling. Should was typed as chould which can be fixed with the easy changing of a single letter.
You ain't even saying why it is yes. You should try explaining it better next time.
And there we go! Your sentence has been corrected and it is now a grammatically correct and well-written sentence.
A town is more than 300 feet below sea level. Sea level has an elevation of 0 feet. What is one possible elevation, in feet, of the town?
Answer:
301+
Step-by-step explanation:
The answer can be anything above 300. This means the answer could be 301, or 400, or 350000000000, any of those are correct.
A shoe store buys packs of socks wholesale for $5 each and marks them up by 40%. The store decides to discount the packs of socks by 40%. Is the discounted price $5? OA) yes: The packs of socks are marked up to $7 and then discounted to $5. OB) yes; The packs of socks are marked up to $9 and then discounted to $5. OC) no: The packs of socks are marked up to $7 and then discounted to $4.20. OD) no, The packs of socks are marked up to $5.20 and then discounted to $4.99.
Answer:
C) no: The packs of socks are marked up to $7 and then discounted to $4.20
Step-by-step explanation:
You want to know the price of a $5 pair of socks after markup by 40%, and again after that price is marked down 40%.
Marked-up priceWhen the $5 cost is marked up by 40%, the resulting price is ...
$5 + 0.40×5 = $5 +2 = $7.
The socks are marked up to $7.
Marked-down priceWhen the $7 price is marked down by 40%, the resulting price is ...
$7 - 0.40×7 = $7.00 -2.80 = $4.20
The socks are discounted to $4.20.
How do you calculate national income statistics?
Natiοnal Incοme statistics = Tοtal Rent + Tοtal Wages + Tοtal Interest + Tοtal Prοfit. gοοds and services prοduced in a cοuntry during a year is οbtained, which is called tοtal final prοduct. This represents Grοss Dοmestic Prοduct ( GDP ).
What is Natiοnal incοme?Natiοnal incοme is the tοtal incοme earned by all individuals and businesses in a cοuntry in a specific periοd οf time, usually a year. It includes all fοrms οf incοme such as wages, salaries, prοfits, rents, and interest earned. Natiοnal incοme is an impοrtant measure οf a cοuntry's ecοnοmic perfοrmance, as it reflects the tοtal οutput and incοme generated within the cοuntry's bοrders.
Natiοnal incοme statistics are calculated by measuring the tοtal value οf gοοds and services prοduced within a cοuntry during a given periοd οf time, typically οne year. The fοllοwing are sοme οf the key cοmpοnents οf natiοnal incοme statistics:
Grοss Dοmestic Prοduct (GDP): This is the tοtal value οf all gοοds and services prοduced within a cοuntry's bοrders in a given periοd οf time. It is calculated by adding up the value οf all final gοοds and services prοduced in a cοuntry during the year.
Grοss Natiοnal Prοduct (GNP): This is similar tο GDP, but alsο includes the value οf gοοds and services prοduced by a cοuntry's citizens and cοmpanies abrοad.
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i need help please thanks
Tο get system B, the secοnd equatiοn in system A was replaced by the sum οf the equatiοn and the first equatiοn multiplied by -3. The sοlutiοn tο system B is the same as the sοlutiοn in system A.
What is sοlutiοn οf system οf equatiοn?A system οf equatiοns in algebra cοnsists οf twο οr mοre equatiοns and lοοks fοr cοmmοn answers tο the equatiοns. "A cοllectiοn οf equatiοns fulfilled by the same set οf variables is called a system οf linear equatiοns." Finding the values οf the variables emplοyed in a system οf equatiοns entails sοlving the set οf equatiοns. By keeping the equatiοns balanced οn bοth sides, we cοmpute the values οf the unknοwn variables. Finding the value οf the variable that makes the cοnditiοn οf all the prοvided equatiοns true is the primary gοal when sοlving an equatiοn system.
Tο get system B, the secοnd equatiοn in system A was replaced by the sum οf the equatiοn and the first equatiοn multiplied by -3. The sοlutiοn tο system B is the same as the sοlutiοn in system A.
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Write the equation of a line that passes through the point (4, 2) and is parallel to the line graphed below.
Answer:
Step-by-step explanation:
(-2, 2) (2, -3)
(-3 - 2)/(2 + 2)
-5/4 the slope
y - 2 = -5/4(x + 2)
y - 2 = -5/4x - 5/2
y- 4/2 = -5/4x - 5/2
y = -5/4x - 1/2
let ƒ(x) = 5x − l and g(x) = x2 - 1. find (f ○ g)(−7)
Answer:
240
Step-by-step explanation:
5(x² - 1)
5 ((-7)² - 1)
5(49 - 1)
5 (48)
Let G be a group and G/Z(G)| = 4. Prove that G/Z(G) Z2 Z2 and draw the Cayley table for G/Z(G).
Hence, we have proved that G/Z(G) ≅ Z2 ⊕ Z2 and we have drawn the Cayley table for G/Z(G).
Let G be a group and G/Z(G)| = 4.
We want to prove that G/Z(G) ≅ Z2 ⊕ Z2 and also draw the Cayley table for G/Z(G).
Firstly, let's consider G/Z(G) and Z(G), the center of G. By definition, every element of Z(G) commutes with every element of G.
Therefore, if we divide G by Z(G), we obtain a group in which all elements commute with one another. This is because all elements of the form gz where g is an element of G and z is an element of Z(G) commute with one another, so the quotient group G/Z(G) is abelian (meaning all elements of the group commute with one another).
We can assume that G is finite and hence |G/Z(G)|=|G|/|Z(G)|=4.
This means that |Z(G)|=|G|/4.
Let's consider the prime factorization of |G|.|G/Z(G)|=|G|/|Z(G)|=4 implies that |G| is divisible by 4.
Let p be a prime that divides |G|. Then, p|4. This implies that p=2.
Hence, |G| is divisible by 2. We can say that |G|=2k, where k is some positive integer.
Therefore, |Z(G)|=k/2.
Now let's consider the group homomorphism f: G→G/Z(G), defined by f(g)=gZ(G) (the coset of g in G/Z(G)).
This is a surjective group homomorphism with kernel Z(G).f: G → G/Z(G)where f(g) = gZ(G)
The first isomorphism theorem implies that G/Z(G) is isomorphic to G/Z(G), so we haveG/Z(G) ≅ G/Z(G)We have |G/Z(G)|=4, so G/Z(G) is either Z4 or Z2 ⊕ Z2.
Let's prove that it is not Z4.Suppose that G/Z(G) is isomorphic to Z4. This would mean that there is an element gZ(G) in G/Z(G) of order 4.
In other words, (gZ(G))^4=Z(G), which implies that g^4 is an element of Z(G). Since every element of Z(G) commutes with every element of G, this would imply that g commutes with every element of G.
But then g would be in Z(G), which contradicts the fact that gZ(G) generates G/Z(G).Therefore, G/Z(G) is isomorphic to Z2 ⊕ Z2.
Now let's draw the Cayley table for G/Z(G):The Cayley table for a group of order 4 must have four rows and four columns, and each row and column must contain exactly one of the four elements of the group.
We know that G/Z(G) is isomorphic to Z2 ⊕ Z2, so we can write the elements of G/Z(G) as (0,0), (0,1), (1,0), and (1,1), where each coordinate is an element of Z2.
The Cayley table is as follows:
40 1 2 30 (0,0) (0,1) (1,0) (1,1)1 (0,1) (0,0) (1,1) (1,0)2 (1,0) (1,1) (0,0) (0,1)3 (1,1) (1,0) (0,1) (0,0)
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Consider the expression \dfrac12(2a+1)(a+3)
2
1
(2a+1)(a+3)start fraction, 1, divided by, 2, end fraction, left parenthesis, 2, a, plus, 1, right parenthesis, left parenthesis, a, plus, 3, right parenthesis.
Complete 2 descriptions of the parts of the expression.
The entire expression is the product of
.
On its own, (2a+1)(2a+1)left parenthesis, 2, a, plus, 1, right parenthesis is a sum with
.
Brainliest-For Right and Accurate answer
Report- If wrong answer just for points and more like deletion
The description of the parts of the expression are
The entire expression is the product of three factors and On its own, (2a+1) is a sum with two termsHow to complete the description of the expression?
The expression is given as:
1/2(2a + 1)(a + 3)
The above expression has three factors and the factors are 1/2, 2a + 1 and a + 3
This means that the entire expression is the product of three factors
Also, we have:
2a + 1
The above expression is a sum expression, and the terms are 2a and 1
This means that on its own, (2a+1) is a sum with two terms
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Complete question
Consider the expression 1/2(2a + 1)(a + 3)
Complete 2 descriptions of the parts of the expression.
The entire expression is the product of
On its own, (2a+1) is a sum with
answer two terms and three factors have a good day friends!
Step-by-step explanation:
There are 5 white balls,8 red balls ,7 yellow balls and 4 green balls in a container a ball is choosen at random.what is the probabilty of chooseing neither white or green? .
15/19 + 14/19 = 29/19
Step-by-step explanation:
Add the number of balls in the basket together.
Subtract the number of white balls from the sample space ( the total amount of balls) your answer is written over the sample space and the same process is done for the green ball
the difference of y and 8 is less than or equal to -27
Translate the sentence into an inequality.
Answer:
y - 8 ≤ -27
Step-by-step explanation:
The difference of y and 8 is less than or equal to -27
y - 8 ≤ -27
Please Answer the question i dont understand
Answer:
C. -2 degrees
Step-by-step explanation:
Answer:
the answer would be c. -2 degrees
Step-by-step explanation:
3 - 5 = -2
have a great day
please help! i don’t know what to do
since BD is the bisector of abc, both angles abd and cbd are equal to each other. The first step is to find the x, then you fill it in, in one of the angles. So:
5) 3x+6= 7x-18
3x-7x=-18-6
-4x=-24
x=6
angle abd: (and cbd)
(3×6+6)°
=(18+6)°
=25°
angle abc:
2×abd=50°
6) -4x+33=2x+81
-4x-2x=81-33
-6x= 48
x= -8
angle abd (and cbd):
(-4×-8+33)°
= (32+33)°
=65°
angle abc:
2×abd
= 130°
Need help on this question!
Answer:
First gardener 6 min
Second gardener 4 min
Third gardener 3 min
Step-by-step explanation:
The first step is to multiply and then what number is it multiplied by then that is your answer.
(x-7)^2 = 25 solve using square roots
Answer:
x=12
Step-by-step explanation:
square root both sides of the equation to undo the square which gives you: x-7=5
add 7 to both sides
x=12
Answer:
Step-by-step explanation:
x - 7 = 5
x-7= + 5
x-7 = -5
x = 2
x= 12
your answer is :
x^1 = 2 , x^2 = 12
The solution set for -18 < 5x - 3 is _____.
A. 3 > x
B. -3 > x
C. 3 < x
D. -3 < x
Answer:
D. -3 < x
Step-by-step explanation:
-18 < 5x - 3
-18 + 3 < 5x
-15/5 < 5x/5
-3 < x
Dr.Osborne has scheduled Anita Blanchette for a spirometry test and wants you to telephone her the day before the test to prepare her so that optimal results are obtained.
1.) What information do you give Anita before her spirometry so that the best test results can be obtained?
2.) How would you explain the rationale for the performance of this procedure?
To ensure the best test results, Anita should be provided with the following information before her spirometry:
1. Instructions for taking the test: Anita should be thoroughly explained about how the spirometry test works and what steps she needs to follow. This includes taking a deep breath and blowing as hard as she can into the spirometer mouthpiece. It is important to emphasize that she needs to repeat this procedure a few times and take deep breaths between each exhale.
2. Emphasize the importance of taking medication as prescribed: Anita should be reminded of the importance of taking her medications as prescribed, including on the day of the test. It is crucial for her to bring her medications to the test appointment.
3. Avoid certain foods and drinks: Anita should be informed to avoid consuming certain substances before the spirometry test, such as caffeine, alcohol, and heavy meals. These can potentially affect the accuracy of the test results.
4. Arrive early for the test: Anita should be advised to arrive early for the test to allow herself sufficient time to relax and calm down before the procedure. This can help ensure more accurate results.
The rationale behind providing these instructions and information is that spirometry is a lung function test that measures the amount and speed of air being breathed in and out. By following the instructions and guidelines, Anita can achieve optimal results, aiding in the diagnosis and assessment of lung conditions.
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This Stem-and-Leaf Plot is missing one data item. If the mode of the data set is 71, what is the value of the unknown data item?
Using the mode concept, according to the stem-and-leaf plot, the missing value is of 71.
What is the mode of the data-set?It is the value that appears the most times in the data-set.
In this problem, following the key format of the stem-and-leaf plot, disconsidering the missing value, the values 71 and 64 each appear 3 times.
However, the mode is 71, meaning that is should appear more times than 64, which means that the missing value is of 71.
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Answer:
The missing value is 71
Step-by-step explanation:
solving multi step equations with variables on both sides worksheets pdf
The solution to the equation −3 + 5a = 4a − 10 is a = -7.
First, we will start by subtracting 5a from both sides of the equation. This is the inverse operation of adding 5a to both sides. By subtracting 5a, the left side of the equation becomes -3 and the right side of the equation becomes -10.
=>−3 + 5a -5a = 4a - 5a − 10
=> -3 = -a - 10
So, we will add 3 to both sides of the equation. This will make the left side of the equation 0, and the right side of the equation -7.
=> -a = 7
Now that the equation reads a = -7, we can use the inverse operation of multiplication, which is division, to get the variable a on one side of the equation and the numbers on the other side.
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Complete Question:
Equations w/ variable on both sides Solve each equation.
1) −3 + 5a = 4a − 10
Find the area lying outside r=2cosθ and inside r=1 cosθ
The area lying outside r=2cosθ and inside r=1 cosθ area is given as - (3/2) π.
We can find the area lying outside r = 2cosθ and inside r = 1 cosθ area can be determined by subtracting the area enclosed by r=2cosθ from the area enclosed by r=1 cosθ and setting the limit of integration to 0 and 2π.
We can find The area enclosed by r=1 cosθ by integrating the given equation by limits of 0 and 2π and the equation can be given as:
= 1/ 2×∫[0 2π] (1cosθ)²dθ
= 1 / 2π
We can find The area enclosed by r=2cosθ by integrating the given equation by limits of 0 and 2π and the equation can be given as
= 1 / 2 ∫[02π](2cosθ)²dθ
= 2π
By subtracting the area enclosed by r = 1 cosθ from the area enclosed by r=2cosθ we can get the area lying outside r=2cosθ and inside r=1 cosθ is 1 / =1 / 2π - 2 π
= - 3/2π
Therefore, The area lying outside r=2cosθ and inside r=1 cosθ is - 3/2π
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Divide 8848 by 16(Show working)
Answer:
553
Step-by-step explanation:
5 5 3
---------------------
16 / 8 8 4 8
8 0
---------------
8 4
8 0
----------------
4 8
4 8
-----------
0
The quotient is 553.
4 8
----------
0
Kalyan Singhal Corp. makes three products, and it has three machines available as resources as given in the following LP problem: Maximize contribution = 3X₁ +5X₂ +7X3 1X₁ +7X₂ + 4X3 ≤ 100 2X1 + 1X₂ + 7X3 ≤ 110 8X₁ + 4X₂ + 1X3 ≤ 100 X₁, X2, X3 20 (C₁: hours on machine 1) (C₂: hours on machine 2) (C3: hours on machine 3) a) Using a computer software for solving LP, the optimal solution achieved is: (round your response to two decimal places). X₁² = X₂ = (round your response to two decimal places). = X3² (round your response to two decimal places). Contribution (objective value) = (round your response to two decimal places). b) Machine 1 has Machine 2 has Machine 3 has hours of unused time available at the optimal solution (round your response to two decimal places). hours of unused time available at the optimal solution (round your response to two decimal places). hours of unused time available at the optimal solution (round your response to two decimal places). dollars to the firm (round your response to two decimal places). c) An additional hour of time available for third machine, is worth d) An additional 5 hours of time available for the second machine, at no cost to the firm, are going to increase the objective value by dollars (round your response to two decimal places).
a) Contribution (objective value) = $132.14
b) The firm earns $132.14 at the optimal solution.
c) An additional hour of time available for the third machine is worth $0.14 to the firm.
d) An additional 5 hours of time available for the second machine will increase the objective value by $3.69.
The best result obtained from using computer software to solve the LP problem is: X1 = 11.43, X2 = 12.86, X3 = 5.71
b) The number of unused hours at the ideal solution is:
Machine 1 still has 8.57 hours of time left.
There are no hours left on Machine 2 at the moment.
There are still 94.29 hours left on Machine 3.
c) The shadow price of the third limitation is worth an extra hour of time available for the third machine. With the exception of increasing the right-hand side of the third constraint by one unit, we can solve the LP problem using the same constraints to determine the shadow price. Using LP to solve this issue, we discover that the shadow price for the third constraint is
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