Answer:
the marked answer is correct
Step-by-step explanation:
The desired end result is an identity matrix in the first three columns. The diagonal values are 1, as needed, so what remains is to eliminate the off-diagonal values. In row 2 that can be done by adding row 3 to it.
The next step should be to add rows 2 and 3 and replace row 2 with that sum.
A
∠A and
∠
B
∠B are supplementary angles. If
m
∠
A
=
(
4
x
−
16
)
∘
m∠A=(4x−16)
∘
and
m
∠
B
=
(
x
+
1
)
∘
m∠B=(x+1)
∘
, then find the measure of
∠
B
∠B.
Answer:
a
Step-by-step explanation:
what in the hell type of question is that need more easy work not alien work, But just put (B/)
please help will Mark as brainiest
Answer:
The awnser is 30
Step-by-step explanation:
Have a great day! :D
Answer:
24
Step-by-step explanation:
7 × 8 = 56
4 × 8 = 32
56 - 32 = 24
Find the mean of the following data 0,5,30,25,16,18,19,26,0,20,28 A. 0 B. 18 C. 19 D. 17
The mean of the following data 0,5,30,25,16,18,19,26,0,20,28 is 17.
Hence option D is the correct option.
Mean is the average value of a given set of data. It is calculated by the formula,
Mean = {Summation of all the values in the data set} / {Number of observations is the data set}
That is, Mean = {Σ all values in the data set} / {number of observations}
The given data set is as follows,
0,5,30,25,16,18,19,26,0,20,28
The number of observations in the data set is 11.
The summation of all the values in the data set is = {0 + 5 + 30 + 25 +
16 + 18 + 19 +26 + 0 + 20 + 28} = 187
Therefore, by applying the formula of Mean we get
Mean = 187/ 11 = 17
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Find all the terms in 4x power of 3 + x power of 2 + 3x + 6. Plsssss help you’ll make my day :(
We are given the following expression
Nicole has a new beaded necklace. 10% of the 20 beads on Nicole's necklace are blue. How many blue beads are there on Nicole's necklace?
Answer:b
Step-by-step explanation:
Answer:
There is 2 blue beads on Nicole's necklace.
Step-by-step explanation:
In order to find out how much blue beads Nicole has on his necklace we just have to multiply the total among of the bead on the necklace by the 10%.
20 x 10% = \((20) (\frac{1}{10} )\) = \(2\)
A flower stand purchases a dozen roses for $9.00. they sell a dozen roses to
their customers for $24.00. what is the percent markup for a dozen roses?
The per cent markup for a dozen roses is 166.67%.
The per cent markup for a dozen roses is calculated as follows:Calculate the profit made from selling a dozen roses
24.00 - 9.00 = $15.00
Calculate the markup as a percentage of the cost price
Markup = (Profit / Cost price) × 100%
Markup = (15.00 / 9.00) × 100%
Markup = 166.67%
Therefore, the per cent markup for a dozen roses is 166.67%. This means that for every $9.00 spent on purchasing a dozen roses, the flower stand makes a profit of $15.00, which is 166.67% of the cost price.
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to define a default field value, add the attribute ____.
To define a default field value in a form or a database, you can use the attribute "default". When you add the "default" attribute to a field, it will automatically assign the specified value to that field if no other value is provided by the user or system.
This can be particularly useful when designing forms or databases that require certain fields to have a value even when the user does not provide one.
For example, in a web form, you might have a "Country" field that requires users to select their country from a dropdown list. By setting a default value for this field, such as "United States," the system ensures that there is always a value associated with that field even if the user does not make a selection.
Similarly, in a database schema, you might have a "DateCreated" field that automatically assigns the current date and time as the default value. This ensures that the date and time are always recorded for each new entry, even if the user does not manually input a value.
In both cases, the "default" attribute allows you to streamline the data collection process and ensure that your forms and databases maintain consistent and complete data. Using default values can also improve the user experience by reducing the amount of input required, making it easier for users to complete forms and submit their data.
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What contribution did al-khwarizmi make to the world of mathematics?.
Al-Khwarizmi made significant contributions to the world of mathematics, particularly in the field of algebra. His major accomplishment was the development of algebra as an independent mathematical discipline.
Al-Khwarizmi, a Persian mathematician and scholar, wrote the book titled "Kitab al-Jabr wal-Muqabala," which laid the foundation for modern algebra. In this influential work, he introduced systematic methods for solving linear and quadratic equations. Al-Khwarizmi's algebraic techniques, including the use of variables and equations, greatly advanced mathematical understanding and problem-solving. His work also contributed to the development of algorithms and mathematical notation, such as the concept of the "zero" and the decimal system. Overall, al-Khwarizmi's contributions revolutionized mathematics and had a profound impact on subsequent generations of mathematicians and scientists.
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Michael is trying to determine where to open two new store locations. He has population data to determine the amount of revenue he will receive for each location. He is charged a \( \$ 1000 \) fee for
Michael needs to analyze the population data, demographics of the city, and the competition in the area to determine whether or not to open a new store.
Michael is trying to determine where to open two new store locations. He has population data to determine the amount of revenue he will receive for each location.
He is charged a $1000 fee for opening a new store at a certain location. However, he is unsure whether the population of the city would be large enough to warrant opening a new store at that location.
The first step that Michael needs to take is to analyze the population data that he has.
Based on the population data, he needs to make an informed decision about whether or not to open a new store at that location. This would require him to take into consideration the average income of the population as well as the demographics of the city.
Another important factor that Michael needs to take into consideration is the competition in the area. If there are already several stores in the area, then opening a new store might not be a good idea.
This is because the competition would be too high and he would not be able to generate enough revenue to make up for the cost of opening a new store.
However, if there are no stores in the area, then Michael might consider opening a new store. This would require him to invest a significant amount of money, but he could also generate a significant amount of revenue in return.
Additionally, he needs to take into consideration the cost of opening a new store and whether or not he can generate enough revenue to make up for that cost.
Overall, Michael needs to carefully analyze all the data that he has before making an informed decision about where to open new store locations.
In conclusion, Michael needs to analyze the population data, demographics of the city, and the competition in the area to determine whether or not to open a new store. If the population is large enough and there is no competition in the area, then he should consider opening a new store. However, if there is already a significant amount of competition in the area, then he should avoid opening a new store.
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Does anyone know the answer to this the work is not needed unless you would like but Please please please answer :)
3. What is the solution of the following
addition equation?
t+8= 32
A. =4
B. = 24
C. r=40
D. 1 = 256
Please help
Answer:
(B) 24 I believe is the answer
Answer the statistical measures and create a box and whiskers plot for the following set of data.
2, 4, 4, 6, 6, 6, 7, 9, 10, 13, 13, 13, 15
Min:
Q1:
Med:
Q3:
Max:
Answer:
Min:2
Q1:5
Med:7
Q3:13
Max:15
Step-by-step explanation:
Hope the picture helps. Not the best at drawing haha
Please help, I’ll mark who’s ever right the Brainiest
Answer:
0; 1/4; 1/2; 1.5; 1.75 and 1 and 3/4 are the same.
Step-by-step explanation:
Answer:
First split it in half. That middle mark is 1.
Split each half in half. You should have 3 ticks evenly spaced.
First is 1/2, middle tick is 1, third tick is 1 1/2.
1/4 is inbetween 0 and 1/2.
Next is 1/2, which is the tick you made.
Next is 1.5, which is the third tick you made.
The last two, 1 3/4 and 1.75 mean the same thing. Both are exactly inbetween the third tick (1 1/2) and the last number which is 2.
Step-by-step explanation:
for part 2, just add in 3/4 exactly inbetween 1/2 and 1. and 1 1/4 which is between 1 and 1 1/2.
then you can add in 1/8 exactly inbetween 0 and 1/4
the fourth one is the one you made earlier which was 1 to split in half.
A 5-pound bag of carrots costs $4.25. What is the unit price?
Answer:
$0.85 per pound
Divide 5 / 4.25
to get your answer.
Determine which of the following subsets of R³ are subspaces of R³.
No 1. {[x, y, z]¹ | 5x – 9y+6z= 8} Yes
2. {[x, y, z]T | − 3x – 4y – 2z = 0} Yes
3. {[-8x, −5x, 9x]T | x arbitrary number} Yes
4. {[x, y, z]T | x ≥ 0, y ≥ 0, z ≥ 0} Yes
5. {[-8x − 6y, −5x – 7y, 9x + 7y]T | x, y arbitrary numbers } - Yes
6. {[x,x - 3, x − 4] | x arbitrary number} Yes
7. {[x, y, z]T | 3x + 4y = 0, 2x − 8z = 0}
The subset {[-8x, −5x, 9x]T | x is an arbitrary number, The subset {[x, y, z]T | 3x + 4y = 0, 2x − 8z = 0} their sum will not satisfy the given equations. Therefore, it is not a subspace of R³.
To determine which of the subsets are subspaces of R³, we need to check if they satisfy the three conditions for a subspace: closure under addition, closure under scalar multiplication, and containing the zero vector.
1. The subset {[x, y, z]¹ | 5x – 9y + 6z = 8} satisfies all three conditions and is therefore a subspace of R³.
2. The subset {[x, y, z]T | − 3x – 4y – 2z = 0} also satisfies all three conditions and is a subspace of R³.
3. The subset {[-8x, −5x, 9x]T | x is an arbitrary number} satisfies closure under addition and scalar multiplication, but it does not contain the zero vector [0, 0, 0]T. Therefore, it is not a subspace of R³.
4. The subset {[x, y, z]T | x ≥ 0, y ≥ 0, z ≥ 0} satisfies all three conditions and is a subspace of R³.
5. The subset {[-8x − 6y, −5x – 7y, 9x + 7y]T | x, y are arbitrary numbers} satisfies all three conditions and is a subspace of R³.
6. The subset {[x, x - 3, x − 4] | x is an arbitrary number} satisfies all three conditions and is a subspace of R³.
7. The subset {[x, y, z]T | 3x + 4y = 0, 2x − 8z = 0} does not satisfy closure under addition because if we take two vectors that satisfy the conditions, their sum will not satisfy the given equations. Therefore, it is not a subspace of R³.
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Round to two decimal places if necessary.
Full explanation please, will mark brainist if correct :) or if possible :))
Answer:
8.06 units
Step-by-step explanation:
Coordinates: (8,1) and (0,0)
8^2+1^2=65
Find square root of 65
=8.06 units
HELP PLEASE I GIVE A LOT OF POINTS JUST ANSWER QUICK
Answer:
See answers below (and image for functions)
Step-by-step explanation:
g(x) = (3)^5x is a horizontal compression
h(x) = 4(3)^x is a vertical stretch since |a|>1
p(x) = 1/2(3)^x is a vertical compression since 0<|a|<1
w(x) = 3^0.2x is a horizontal stretch
1) There are 8 college basketball teams in a certain
Sub-Division
How many ways are there to choose 6 teams for the playoffs?
There are 28 ways to choose 6 teams for the playoffs if there are 8 college basketball teams in a certain sub-division.
To determine the number of ways to choose 6 teams for the playoffs out of the 8 college basketball teams in a certain Sub-Division, we can use the combination formula. The formula for combinations is given by
nCr = n! / (r! * (n-r)!),
where n represents the total number of teams and r represents the number of teams to be chosen.
In this case, n = 8 and r = 6.
Plugging in these values, we have
8C6 = 8! / (6! * (8-6)!) = 8! / (6! * 2!) = (8 * 7) / (2 * 1) = 28.
Therefore, there are total 28 ways to choose 6 teams.
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Given f(x) = x^2-6x - 16 Determine when f(x) = 0
Answer:
x = -8 or 8
Step-by-step explanation:
So, we need to know when x^2 - 6x - 16 = 0.
Let's solve this! :)
We can add 16 to both sides:
x^2 - 6x = 16
Now, we can simply tell that x^2 has to be 16 more than -6x, so the answer must be smaller than -6 or greater than 6.
By making an educated guess, we get x = -8 or x = 8 :)
y=-6/5x +4
y-= -1/5x -1
Answer: (5,-2)
Step-by-step explanation:
I'm assuming the equations are:
Y=-(6/5)x +4
y = -(1/5)x -1 [Note that I changed "y-" to just "y."]
We can solve this in one of two ways: Mathematically and Graphically.
Math:
y = -(1/5)x -1
6y = -(6/5)x -6
-(Y=-(6/5)x +4)
5y = -10
y = -2
y = -(1/5)x -1
-2 = -(1/5)x -1
-1 = -(1/5)x
5 = x
x = 5
The solution is (5,-2)
Graph:
See the attached graph. The lines intersect at (5,-2)
Solve.
3x+3y−2z=14
x−6z=16
2x+5z=−2
x=
y=
z=
After Solving these equations 3x + 3y − 2z = 14,x − 6z = 16 and 2x + 5z =−2
x = 28, y = 33 and z = 2,
Given Equations:
3x + 3y − 2z = 14......(1)
x − 6z = 16.......(2)
2x + 5z = −2.......(3)
Solve equation (2) and (3)
Multiple by 2 in equation (2)
2x − 12z = 32.........(4)
Subtract equation (4) from (3)
2x − 12z - (2x + 5z) = 32 - (-2)
2x + 5z - 2x + 12z = -34
17z = -34
z = 2, x = 28
Plugging these value in equation (1)
3 * 28 + 3y − 2 * 2 = 14
84 + 3y - 4 = 14
3y = 14 - 80
y = 33
Therefore, the values of x = 28, y = 33 and z = 2,
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Find the Coordinates of the
Ortho center
X(-1,-4) 4 (7-4) Z (7,4)
The coordinates of the orthocenter of triangle XYZ are (3,2).
Coordinate calculation.
To find the coordinates of the orthocenter of triangle XYZ, we need to find the intersection point of the altitudes.
First, we need to find the equations of the three altitudes. An altitude is perpendicular to a side and passes through the opposite vertex.
The equation of the line through X(-1,-4) and perpendicular to YZ is:
y - 4 = (4-(-4))/(7-(-1))(x-7)
y - 4 = 8/8(x-7)
y = -x + 11
The equation of the line through Y(4,7) and perpendicular to XZ is:
y - 7 = (-1/4)*(x-4)
y = (-1/4)x + 8.5
The equation of the line through Z(7,4) and perpendicular to XY is:
y - 4 = (7-(-1))/(-4-(-4))(x-7)
y - 4 = -8/10(x-7)
y = -4/5*x + 36/5
Next, we need to find the intersection points of these lines. We can solve the system of equations:
y = -x + 11
y = (-1/4)x + 8.5
y = -4/5*x + 36/5
Solving this system of equations, we get the coordinates of the orthocenter H:
H(3,2)
Therefore, the coordinates of the orthocenter of triangle XYZ are (3,2).
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Jorge bought a crate of floor tile for $132. The crate had 6 boxes of floor tiles. Each box contained 29 floor tiles. Write and solve an equation to determine the cost per box, b.
The equation to determine the cost per box, b, can be written as 6b = $132, and solving for b yields b = $22.
Let's denote the cost per box as b. Since Jorge bought a crate with 6 boxes of floor tiles, the total cost of the crate is equal to the cost per box multiplied by the number of boxes: 6b.
According to the given information, the crate of floor tiles cost $132. Therefore, we can write the equation as follows: 6b = $132.
To determine the cost per box, we solve the equation for b. Dividing both sides of the equation by 6, we have b = $132 ÷ 6 = $22.
Hence, the cost per box, b, is $22.
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According to the Central Limit Theorem, when N=9, the variance of the distribution of means is:
one-ninth as large as the original population's variance
one-third as large as the original population's variance
nine times as large as the original population variance
three times as large as the original population's variance
According to the Central Limit Theorem, when N (sample size) is sufficiently large, the variance of the distribution of means is one-ninth as large as the original population's variance. The correct answer is A.
In other words, the variance of the sample means is equal to the variance of the original population divided by the sample size. Since N = 9 in this case, the variance of the distribution of means would be one-ninth (1/9) as large as the original population's variance.
The Central Limit Theorem states that as the sample size increases, the distribution of sample means approaches a normal distribution with a mean equal to the population mean and a variance equal to the population variance divided by the sample size.
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(ANSWER FAST PLEASE)
What scale factor was applied to the first rectangle to get the resulting image?
Enter your answer as a decimal in the box.
Answer:
4.5 hope this helps if see well there
Use the formula C(n, x)pxqn − x to determine the probability of the given event. (Round your answer to four decimal places.) The probability of exactly no successes in seven trials of a binomial experiment in which p = 1/4
Answer: 0.1334
Step-by-step explanation:
Given
There are seven trails with a probability of success is \(p=\frac{1}{4}\)
\(\therefore q=1-p\\q=1-\frac{1}{4}\\q=\frac{3}{4}\)
Using the binomial distribution, the Probability of exactly no success i.e. x=0 is given by
\(\Rightarrow ^7C_0\cdot p^0 \cdot q^{7-0}\\\Rightarrow 1\times(\frac{1}{4})^0 \cdot (\frac{3}{4})^7\\\Rightarrow 1\times 1 \cdot (0.75)^7\\\Rightarrow 0.1334\)
10÷652.3 please help me
Answer:
0.01533036946190
Step-by-step explanation:
10÷652.3
0.01533036946190
What is the solution of this inequality?
Answer: C
Step-by-step explanation:
the probability that a married man watches a certain television show is 0.4, and the probability that a married woman watches the show is 0.5. the probability that a man watches the show, given that his wife does, is 0.7. find the probability that
The probability is that the married couple watches the show is 0.35.
According to the statement
We have to find the probability is that the probability that married couple watches the show is 0.35.
For this purpose, we know that the
Probability is the ratio of the number of outcomes to the total number of possible outcomes.
With the given information
a married man watches a certain television show is 0.4
the probability that a married woman watches the show is 0.5.
the probability that a man watches the show, given that his wife does, is 0.7
Then
Let M be the event that a married man watches a certain T.V.
And N be the event that a married woman watches the show.
The probability become
\(P(M)=0.4\) \(P(F)=0.5\)
and the
\(P(\frac{M}{F} )=0.7\)
Then
The probability become is the
P(M∩F)=0.7*0.5
And
\(P=0.7*0.5\)
\(P=3.5\)
So, The probability is that the married couple watches the show is 0.35.
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This question was incomplete. Please find the full content below.
Question:
The probability that a married man watches a certain TV show is 0.4 and the probability that a married woman watches the show is 0.5. The probability that a man watches the show, given that his wife does, is 0.7. Then
the probability that married couple watches the show.
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For each inequality, show it on the number line and write all one-digit integers that satisfy it a_<0
Answer:
For each inequality, show it on the number line and write all one-digit integers that satisfy it a_<0