Use the general rotation matrix and the unit circle or inverse trigonometric functions to find the angles of rotation for the following matrices.
B=[-0.3090 0.9511]
0.9511 -0.3090
72
108
144
Answers
Answer:
108
Step-by-step explanation:
Hope this helps! :)
Answer:
108
Step-by-step explanation:
Edge 2020
Related Questions
* ANSWER PLS * Which choice is chord?
Answers
The chord of a circle is, LG
We have to given that,
A circle with center C is shown in figure.
Since, The circle is a closed two dimensional figure , in which the set of all points is equidistance from the center.
And, The chord of a circle can be defined as the line segment joining any two points on the circumference of the circle.
Hence, By given figure,
Chord of a circle is,
⇒ Line segment LG
Thus, Option 2 is true.
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can someone help me with these
Answers
Answer:
2 - 3 x (N)= N + 10 (n=6)
Step-by-step explanation:
These equations are the same basically. 3 times a number -2 is the equivalent of a number + 10. If the number was 6 then it would work like this. 3 times 6 is 18, then subtracted by 2 is 16, which is equal to 6+10 (16). Hope you understand!
A (2,1)
B (1,3)
C (5,5)
Suppose a rectangle ABCD has the coordinates shown.
Find the coordinates of point D.
Answers
Answer: (6,3)
Step-by-step explanation:
The midpoint of AC and BD are the same because a rectangle's diagonals cut each other in half.
D = A + C - B
D = 2 + 5 - 1 = 6
D = 1 + 5 - 3 = 3
D = (6, 3)
anyone want 21 points? answer this
Answers
Answer:D 30ft
Step-by-step explanation:
Identify each value for x that makes the inequality true.
3x < 12
<
x = 2
x = 3
X = 4
x = 11
x = 13
Answers
Answer:
if it is multiple choice:
x=2
x=3
Step-by-step explanation:
If xx and y vary directly and y is 21 when x is 7, find y when x is 5
Answers
Answer:
y = 15
Step-by-step explanation:
We need to solve for k
y = x
21 = 7k Divide both sides by 7 to solve for k
3 = k
y = xk
y = 5(3)
y = 15
Answer: y = 15
Step-by-step explanation:
ARE YOU GUYS OK BECAUSE THERE IS A TORNADO WARING IN TENNESSE
Answers
Answer: good thing im in texas
Step-by-step explanation:
Answer:
yes we are okay we're fine
Gressel the Goblin is making an inventory of Darklord Ganondorf’s treasure horde following a raid by some violent fellow named link. The horde now contains only 2150 gems (as in $). Gressel notices that there were twice as many green-gems (worth 1) as blue-gems (worth 5) and 13 fewer blue gems than red-gems (worth 20). How many red, blue and green gems are there remaining in the horde?
Answers
Answer:
70 blue gems
140 green gems
83 red gems
Step-by-step explanation:
x + 1*2x + 20 ( x+ 13) = 2150 simplify
27x + 260 = 2150
27x = 2150 - 260
the number of blue gems = x
the number of green gems = 2x
the number of red gems = x + 13
which means
5x + 1*2x + 20 ( x+ 13) = 2150 simplify
27x + 260 = 2150
27x = 2150 - 260
27x = 1890
Simplify and evulate 3^3 ⋅ 3^2
Answers
Answer: 243
Step-by-step explanation:
3³×3²
27×9=243
hope it helps
A textbook is 5/6 of an inch thick. If 18 textbooks will be stacked one on top of the other, how tall will the stack be?
Answers
Answer:
15.
Step-by-step explanation:
If explanation is needed please notify me!
PLease solve it as fast has you can
Answers
Answer:
\(f^{-1}\left(f(576)\right)=\boxed{576}\)
\(f^{-1}(-7)+f(-7)=\boxed{13}\)
Step-by-step explanation:
The inverse of an invertible function with the domain of all real numbers is obtained by reflecting the original function across the line y = x, which swaps the input and output values of the function. Therefore, (x, y) → (y, x).
Given table:
\(\begin{array}{lrrrrrr}\vphantom{\dfrac12}x&-7&11&-13&6&5&-9\\\cline{1-7}\vphantom{\dfrac12}f(x)&7&12&8&-7&13&5\end{array}\)
Inverse function:
\(\begin{array}{lrrrrrr}\vphantom{\dfrac12}x&7&12&8&-7&13&5\\\cline{1-7}\vphantom{\dfrac12}f^{-1}(x)&-7&11&-13&6&5&-9\end{array}\)
If we have a function f(x), the inverse function is denoted as f⁻¹(x), and it has the property that f⁻¹(f(x)) = x for all valid inputs x in the domain of f(x).
Therefore:
\(\large\boxed{f^{-1}\left(f(576)\right)=576}\)
The value of f(-7) is the value of f(x) when x = -7. Therefore, reading from the original table, f(-7) = 7.
The value of f⁻¹(-7) is the value of f⁻¹(x) when x = -7. Therefore, reading from the inverse function table, f⁻¹(-7) = 6.
Therefore:
\(\large\boxed{\begin{aligned}f^{-1}(-7)+f(-7)&=6+7\\&=13\end{aligned}}\)
help me as fast as possible
Answers
Answer:
2040
Step-by-step explanation:
break it into 2 models
(18x3)x20
and
15x(8x8)
(18x3)x20
54x20= 1080
15x(8x8)
15x64=960
add them together
1080+960=2040
Robin wants to buy a membership at a carwash this summer so that she can keep her car clean. She compared deals from Speedy Clean Carwash and Sudsy Bubbles Carwash to decide which membership to get. Robin arranged the information in the tables below.
How many times will Robin need to wash her car to spend the same amount at both carwashes?
P.S.: I attached the table below:)
Answers
[A] is making 25 sundaes with mint, chocolate, and vanilla ice cream.
3/5 of the sundaes are mint ice cream and 1/2 of the remaining sundaes are chocolate. The rest will be vanilla. How many sundaes will be vanilla?
Answers
Answer:
5 sundaes
Step-by-step explanation:
find the GCF: 5
so 3x5 would be 15
15 mint.
25-15=10
10/2=5
boom
There are \($5$\) sundaes will be vanilla ice-cream.
Learn more about Probability
Probability is the likelihood that an event will occur and is calculated by dividing the number of favorable outcomes by the total number of possible outcomes.
It is given that, there is \($25$\) sundaes with mint, chocolate and vanilla flavor ice cream out of these \($\frac{3}{5}$\) of the sundaes are mint flavor and \($\frac{1}{2}$\) are chocolate flavor.
We have to find the number for sundaes will be vanilla flavor ice-cream.
So,
We have to multiply \($3$\) by \($5$\) and solve it.
So,
\($3\times 5=15$\)
There are \($15$\) mints flavor.
Now,
Divide total number of sundaes with all flavor ice-cream by calculate value for mint.
We get,
\($25-15=10$\)
Multiply the above calculate value by no. of remaining sundaes for chocolate ice-cream.
So,
\($10\times \frac{1}{2}=5$\)
Hence, there are \($5$\) sundaes will be vanilla flavor ice-cream.
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∛⊄∅Δ≡≡≡ωωω↓∵∅∩\(x^{2} x^{2} x^{2} \sqrt{x} \neq \neq \neq \int\limits^a_b {x} \, dx \leq \\ \geq \neq \neq \pi\)????????? anyeong heplyeo meya withay equetasionasay
Answers
Answer:
]§[¬´°´°´°°¥¥<]μ]||]|]|]
Step-by-step explanation:
[°[μ[||[|[´¬]¬]|]]<￦<°]μ]μ<°°
μμ´§[¿]¿]μ]]μ]|
---> §´Μ´´|´¥´Μ[§]°]¿¡¡<
Find the volume of the composite solid below round your answer to the nearest tenth
Answers
First find the volume of the cylinder.
The formula is: V=πr²h
Plug the numbers in the figure into the formula.
V=πr²h
V=π×3²×10
V=π×9×10
V=π90
V=282.743
Therefore, the volume of the cylinder is approximately 282.7in³
Find the volume of the rectangluar prism.
V=lwh
V=12×7×4
V=84×4
V=336
Therefore, the volume of the rectangular prism is 336in³
Add the volumes:
282.7+336=618.7
The volume of the composite solid is approximately 618.7in^3
The stem-and-leaf plot displays data collected on the size of 15 classes at two different schools.
Mountain View School Seaside School
0 5, 8
9, 8, 2, 0 1 0, 1, 2, 5, 6, 8
8, 7, 6, 5, 5, 4, 4, 3, 1, 0 2 5, 5, 7, 7, 8
0 3 0, 6
Key: 2 | 1 | 0 means 12 for Mountain View and 10 for Seaside
Part A: Calculate the measures of center. Show all work. (2 points)
Part B: Calculate the measures of variability. Show all work. (1 point)
Part C: If you are interested in a smaller class size, which school is a better choice for you? Explain your reasoning. (1 point)
Answers
For Mountain View School:
Data: 0, 0, 0, 0, 1, 2, 3, 4, 4, 5, 5, 5, 5, 6, 7, 8, 8, 8, 9
Mean: (0 + 0 + 0 + 0 + 1 + 2 + 3 + 4 + 4 + 5 + 5 + 5 + 5 + 6 + 7 + 8 + 8 + 8 + 9) / 19
= 100 / 19
≈ 5.26
To find the median, we need to arrange the data in ascending order: 0, 0, 0, 0, 1, 2, 3, 4, 4, 5, 5, 5, 5, 6, 7, 8, 8, 8, 9.
The median is the middle value, which is the 10th value in this case.
Median: 5
For Seaside School:
Data: 0, 0, 0, 1, 1, 2, 2, 4, 5, 5, 5, 5, 6, 7, 7, 8, 8, 8, 9
Mean: (0 + 0 + 0 + 1 + 1 + 2 + 2 + 4 + 5 + 5 + 5 + 5 + 6 + 7 + 7 + 8 + 8 + 8 + 9) / 19
= 80 / 19
≈ 4.21
To find the median, we need to arrange the data in ascending order: 0, 0, 0, 1, 1, 2, 2, 4, 5, 5, 5, 5, 6, 7, 7, 8, 8, 8, 9.
The median is the middle value, which is the 10th value in this case.
Median: 5
Now let's calculate the measures of variability, specifically the range and interquartile range (IQR).
Range: The range is the difference between the largest and smallest values in the dataset.
For Mountain View School:
Range: 9 - 0 = 9
For Seaside School:
Range: 9 - 0 = 9
Interquartile Range (IQR): The IQR is the difference between the third quartile (Q3) and the first quartile (Q1) and measures the spread of the middle 50% of the data.
For Mountain View School:
Q1 = 3
Q3 = 7
IQR = Q3 - Q1 = 7 - 3 = 4
For Seaside School:
Q1 = 2
Q3 = 7
IQR = Q3 - Q1 = 7 - 2 = 5
To determine which school is a better choice for a smaller class size, we can consider both the mean and the median.
Both the mean and median for Mountain View School are higher than those for Seaside School. This suggests that, on average, the class sizes at Mountain View School are larger than those at Seaside School. Therefore, if you are interested in a smaller class size, Seaside School would be a better choice
For Mountain View School:
- Median: The median class size is the middle value, which is 25.
- Mean: The mean class size is the sum of all the class sizes divided by the total number of classes, which is (29 + 28 + 28 + 27 + 25 + 24 + 24 + 23 + 21 + 20 + 19 + 18 + 15 + 13 + 10) / 15 = 21.27.
For Seaside School:
- Median: The median class size is the middle value, which is 20.
- Mean: The mean class size is the sum of all the class sizes divided by the total number of classes, which is (25 + 25 + 27 + 27 + 28 + 28 + 28 + 30 + 31 + 35 + 36 + 38 + 40 + 43 + 45) / 15 = 31.13.
Part B:
For Mountain View School:
- Range: The range is the difference between the largest and smallest values, which is 29 - 10 = 19.
- Interquartile Range (IQR): The IQR is the difference between the third quartile (Q3) and the first quartile (Q1). From the stem-and-leaf plot, we can see that Q1 is 20 and Q3 is 28. Therefore, the IQR is 28 - 20 = 8.
For Seaside School:
- Range: The range is the difference between the largest and smallest values, which is 45 - 25 = 20.
- Interquartile Range (IQR): The IQR is the difference between the third quartile (Q3) and the first quartile (Q1). From the stem-and-leaf plot, we can see that Q1 is 27 and Q3 is 38. Therefore, the IQR is 38 - 27 = 11.
Part C:
If you are interested in a smaller class size, Mountain View School is a better choice for you because it has a lower mean and median class size than Seaside School.
Calvin and Mike do sit-ups when they work out. They start with 64 sit-ups for the first set and do half as many each subsequent set.
A. What representation can you use to show the relationship between the set number and the number of sit-ups?
Answers
Answer:
64/2=32 32/2=16 16/2=8 8/2=4 4/2=2 2/2=1
Step-by-step explanation:
if you were to use a in and out chart you can you can set the in as the starting amount (64) and make the out/formula ÷2
Round to the nearest ten, then estimate the product. 82 x 78 = ___
5,600
6,300
6,400
7,200 i just want to make sure i picked the right one, i want to get a 100% on my test
Answers
Answer:
The answer is 6,400 I hope you get a good grade
A quarter circle is attached to the side of a square as shown.
What is the best approximation for the area of this figure?
Use 3.14 to approximate pi.
A.)28.6 m²
B.)41.1 m²
C.)66.24 m²
D.)116.5 m²
Note: I helping my brother math work so i hope you can answer this question
Answers
Answer: A
Step-by-step explanation: You have to find the area first, after you use pie and you get 28.6
Answer:
D
Step-by-step explanation:
Just did this good luck
This is the graph of f(x) = x+A/x+B. The grid lines in the graph are one unit apart. What is the value of A/B
Answers
The value of A/B is given as follows:
A/B = -2.
What are the asymptotes of a function f(x)?The vertical asymptotes are the values of x which are outside the domain, which in a fraction are the zeroes of the denominator.The horizontal asymptote is the value of f(x) as x goes to infinity, as long as this value is different of infinity.From the graph, the function has a vertical asymptote at x = 1, hence the value of B is given as follows:
B = -1 -> as x + B = 0 -> x = -B = -1.
When x = 0, y = -2, hence the value of A is obtained as follows:
A/-1 = -2
A = 2.
Then the division is given as follows:
A/B = 2/-1 = -2.
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Which list orders the numbers from least to greatest?
Negative 2.4, negative 1.5, negative 2 and one-fourth, negative 3, negative 1 and one-eighth
A number line going from negative 4 to positive 4.
Negative 1 and one-eighth, negative 1.5, negative 2 and one-fourth, negative 2.4, negative 3
Negative 3, negative 2.4, negative 2 and one-fourth, negative 1.5, negative 1 and one-eighth
Negative 3, negative 2 and one-fourth, negative 2.4, negative 1 and one-eighth, negative 1.5
Negative 1.5, negative 1 and one-eighth, negative 2.4, negative 2 and one-fourth, negative 3
Answers
Negative 3, negative 2.4, negative 1.5, negative 2 and one-fourth, negative 1 and one-eighth
Hope my answer helps you✌️
Mike has a poster that he wants to copy onto a mural at school. The dimensions of the poster are shown. If Mike doubles the dimensions of the poster, what will be the area, in square feet, covered by his copy?
Answers
Answer:
34
Step-by-step explanation:
Explanation:
The equation 8x-6y=1 is graphed in the xy-plane. What is the slope of the line?
Answers
Answer:4/3
Step-by-step explanation:
HELP WILL MARK BRAINIEST
What is the median for the set of data?
71
70
72
74
Answers
Answer:
Step-by-step explanation:
To find the median, we need to arrange the data in ascending order:
70, 71, 72, 74
Since the data set has an even number of values, the median is the average of the two middle values. In this case, the two middle values are 71 and 72. Therefore, the median is:
(71 + 72) / 2 = 143 / 2 = 71.5
So, the median for the given set of data is 71.5.
someone give me an example of a constant of proportionality equation PLEASE
Answers
For five days, Diego recorded the lengths, in minutes, of his walk to school. The mean for his data is 11 minutes. Determine which data set below is Diego’s, and prove that your choice is correct.
Answers
Data Set A: 9, 11, 13, 10, 12
Data Set B: 8, 10, 12, 14, 16
Data Set C: 10, 10, 10, 10, 10
Data Set D: 11, 11, 11, 11, 11
To find the mean, we sum up all the values in each data set and divide by the number of values:
Data Set A: (9 + 11 + 13 + 10 + 12) / 5 = 11 minutes
Data Set B: (8 + 10 + 12 + 14 + 16) / 5 = 12 minutes
Data Set C: (10 + 10 + 10 + 10 + 10) / 5 = 10 minutes
Data Set D: (11 + 11 + 11 + 11 + 11) / 5 = 11 minutes
Comparing the mean of each data set to 11 minutes, we can see that only Data Set A and Data Set D have a mean of 11 minutes. However, to prove that our choice is correct, we need to analyze the individual values in the data set.
In Data Set A, we can observe that the values are relatively close to 11 minutes, with some values slightly above and below. This variation suggests a realistic scenario where Diego's walk to school might take slightly different amounts of time each day.
In Data Set D, all the values are exactly 11 minutes. While it is not impossible for Diego's walk to consistently take exactly 11 minutes each day, it seems less likely than having some variation in the durations.
Based on these observations, we can conclude that the most plausible data set for Diego is:
Data Set A: 9, 11, 13, 10, 12
This data set has a mean of 11 minutes and exhibits a realistic variation in walk durations, making it the most likely choice for Diego's recorded lengths.
Can someone plz help me I’m being timed!!!
Answers
Answer:
on the x axis
Step-by-step explanation:
on the x axis
Mark me as the brainliest
Marcus was training for a 2,000 meter race. He had to alternate between running and walking.
Problem
If Marcus ran 1,600 meters, which statement is true?
Answers
Answer:
if marcus ran 1,600 meters that means he walked 400 meters
Step-by-step explanation:
Plz Help you don't need to answer all just sum of them
Answers
Answer:
Step-by-step explanation:
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