The two other positive angles of rotation that take A to B are 19π/6 and 31π/6.
How to explain the anglesThe unit circle is rotationally symmetric, meaning that any angle of rotation on the unit circle will take a point to another point on the unit circle with the same distance from the origin. This means that if we rotate point A by 7π/6 radians, we can also rotate it by 19π/6 or 31π/6 radians and end up at the same point B.
The point A has polar coordinates (1, 0). This means that it is located at a distance of 1 unit from the origin and has an angle of 0 radians with the positive x-axis.
The point B has polar coordinates (√3/2, 1/2). This means that it is located at a distance of √3/2 units from the origin and has an angle of 7π/6 radians with the positive x-axis.
If we rotate point A by 19π/6 radians, we get a point with polar coordinates (√3/2, -1/2). This point is located at the same distance from the origin as point B and has the same angle with the positive x-axis.
Therefore, the two other positive angles of rotation that take A to B are 19π/6 and 31π/6.
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Evaluate the expression 4w² + w-6, when w = -4
a.) 54
b.) 22
c.) -54
d.) 74
\( \huge \pink{ \underline \mathfrak{ \green{Answer}}} \: \\ \\ \: \: \rightarrow \fbox{ a). \blue{ \: 54 \: }}\)
Step-by-step explanation:
\( \bf{Given} \: \colon 4w² + w-6, when \: \: w = -4 \\ \\ \tt \underline \red{Solution} \colon \\ \\ \rightarrow \: 4w {}^{2} + w \: - 6 \\ \\ \: put \: \: value \: \: of \: \: w \: \: in \: \: given \: \: equation \\ \\ \rightarrow \: 4( - 4) {}^{2} + \: (- 4 )\: - 6 \\ \\ \rightarrow \: 4(16) \: - 4 \: - 6 \\ \\ \rightarrow \: 64 \: - 10 \\ \\ \bf \rightarrow54\)
X+2x + ___=5x. What goes on the blank
Answer:
2x
Step-by-step explanation:
The equation would be x+2x+2x=5x.
You can rewrite the equation as 1x+2x+2x=5x because that is the same thing.
Then you combine all of the like terms, and because they all have an x you just add them together.
Hope this helps!
Mark A machine has two parts labeled A and B. The probability that part A works for one year is 0.8 and the probability that part B works for one year is 0.6. The probability that at least one part works for one year is 0.9. Calculate the probability that part B works for one year, given that part A works for one year.
Answer:
0.625 = 62.5% probability that part B works for one year, given that part A works for one year.
Step-by-step explanation:
We use the conditional probability formula to solve this question. It is
\(P(B|A) = \frac{P(A \cap B)}{P(A)}\)
In which
P(B|A) is the probability of event B happening, given that A happened.
\(P(A \cap B)\) is the probability of both A and B happening.
P(A) is the probability of A happening.
The probability that part A works for one year is 0.8 and the probability that part B works for one year is 0.6.
This means that \(P(A) = 0.8, P(B) = 0.6\)
The probability that at least one part works for one year is 0.9.
This means that: \(P(A \cup B) = 0.9\)
We also have that:
\(P(A \cup B) = P(A) + P(B) - P(A \cap B)\)
So
\(0.9 = 0.8+0.6 - P(A \cap B)\)
\(P(A \cap B) = 0.5\)
Calculate the probability that part B works for one year, given that part A works for one year.
\(P(B|A) = \frac{P(A \cap B)}{P(A)} = \frac{0.5}{0.8} = 0.625\)
0.625 = 62.5% probability that part B works for one year, given that part A works for one year.
HELP ME I BEED THIS DONE!
4. Uncle Royce is 42. What is his target heart rate range?
O 120-180 beats per minute
O 150-200 beats per minute
O116-160 beats per minute
O170-236 beats per minute
Step-by-step explanation:
70 to 85 % of his maximum
Maximum is estimated to be 220 - age = 220 - 42 = 178
70% of this is 125
85 % is 89 151
I believe I would go with the third choice 116-160 bpm
Can someone check the answers and help me with the remaining three? Thanks!!
Based ob the information, we have sufficient evidence in the favor of the claim that there is significance difference
How to illustrate the informationSince the P-value is less than the significance level , we have to reject the null hypothesis.
From the above test we have sufficient evidence in the favor of the claim that there is significance difference
Also, the means for sentences and intentional differ significantly, because the p-value is less than alpha and zero is outside the confidence interval.
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3/4 minus what equals 1/2
Answer:
W =1 1/4Step-by-step explanation: Let W = what. W - 1/2 = 3/4. Add 1/2 to each side. W -1/2 +1/2 = 3/4+1/2. W = 3/4+1/2.
Step-by-step explanation:
Hello, I need help with this precalculus homework question, please?HW Q9
Solution
- The question would like us to determine the difference expression that corresponds to the following logarithm
\(\log_a(\frac{M}{N})\)- In order to solve this question, we should apply the Law of Logarithm which states that:
\(\log A-\log B=\log(\frac{A}{B})\)- Applying this law, we have:
\(\begin{gathered} \text{ Let A from the formula be M and Let B from the formula be N from the question} \\ Note\text{ that }a\text{ in the question is represented by 10 from the formula. The base 10 in logarithm is usually not } \\ \text{ indicated} \\ \\ \log_a(\frac{M}{N})=\log_aM-\log_aN \end{gathered}\)Final Answer
The answer to the question is
\(\operatorname{\log}_{a}(\frac{M}{N})=\operatorname{\log}_{a}M-\operatorname{\log}_{a}N\)(x-3) + (2x-1) + (3x-2) + (2x-3) + x = 360°
Find the value of x,
Answer:
41
Step-by-step explanation:
simplify the left side:
\(9x - 9 = 360\\9x = 369\\x = 41\)
Answer:
\(x=41\)
Step-by-step explanation:
1. Simplify the expression
\(x-3+2x-1+3x-2+2x-3+x=360\)
Group like terms:
\(\left(x+2x+3x+2x+x\right)+\left(-3-1-2-3\right)=360\)
Simplify the arithmetic:
\(9x+\left(-3-1-2-3\right)=360\)
Simplify the arithmetic:
\(9x-9=360\)
2. Group all constants on the right side of the equation
\(9x-9=360\)
Add 9 to both sides:
\(9x-9+9=360+9\)
Simplify the arithmetic:
\(9x=360+9\)
Simplify the arithmetic:
\(9x=369\)
3. Isolate the x
\(9x=369\)
Divide both sides by 9:
\(\frac{9x}{9}=\frac{369}{9}\)
Simplify the fraction:
\(x=\frac{369}{9}\)
Find the greatest common factor of the numerator and denominator:
\(x=\frac{41\cdot 9}{1\cdot 9}\)
Factor out and cancel the greatest common factor:
\(x=41\)
Terms and topics
Linear equations with one unknownCheers,
ROR
Simplify 5(1+3)^2. I need Help
Answer:
80
Step-by-step explanation:
5(1+3)^2
Due to PENDAS, you will first need to do the root
5(4)^2
5(16)
80
Hope it helped!
Solve this 6 - 4(3 - 6x) + 12x
Answer:
Step-by-step explanation:
I need help ASAP I’ll give you brainliest
Answer:
52.62
Step-by-step explanation:
u can fins the area by base times height/2 . you can find the height by 14sin70 which is 13.16
then use 13.16 x 8 / 2 = 52.62
What should be subtracted from minus 3 / 4 so has to get 5 / 6 ?
Answer:
Step-by-step explanation:
Step 1:First Make 3/4 and 5/6 into like fractions.Find the L.C.M of 4 and
6,which is 12.
3*3/4*3=9/12
5*2/6*2=10/12
Step 2:Subtract 9/12 from 10/12,which is 1/12.
(URGENT)!!!!!!!
Write one sentence that addresses the issue of globalization from the text and one sentence on how the absence of plantation owners perpetuated cruel treatment of slaves by overseers
Answer:
Step-by-step explanation:
One sentence on globalization from the text: The process of globalization has brought significant changes to the world economy, including the emergence of new trade patterns and the increasing interconnectedness of markets.
One sentence on how the absence of plantation owners perpetuated cruel treatment of slaves by overseers: In the absence of plantation owners, overseers were left with unchecked power over the enslaved population, often resulting in brutal treatment and violence
solve this question please
Answer:
Step-by-step explanation:
a) 1.8 kg in grams is 1800 g
b) If 6 toys weigh 1800g; then 1 toy weighs 300 g(6:1)
c) If 1 toy weighs 300 g, 4 toys weigh 1200 g and you convert in kg which is 1.2 kg
(-2) (4+6)+(-2) 6 / (-2) (4-1) simplified
The simplified form of the expression is \(-32\).
To simplify the expression, we can perform the calculations written below step by step:
\(\(\frac{{-2(4+6)+(-2)6}}{{-2(4-1)}}\)\)
We follow the order of operations (PEMDAS/BODMAS):
Step 1: Simplify within parentheses:
\(\(4+6 = 10\)\).
Step 2: Perform multiplications and divisions from left to right:
\(\(-2(10) = -20\) and \(-2(4-1) = -2(3) = -6\)\).
Step 3: Evaluate the remaining additions and subtractions:
\(\(-20 + (-2) \cdot 6 = -20 - 12 = -32\)\).
Therefore, the simplified form of the expression \(\(\frac{{-2(4+6)+(-2)6}}{{-2(4-1)}}\) is \(-32\).\)
When simplifying an expression, several factors need consideration. First, apply the order of operations correctly, respecting parentheses and exponents. Next, combine like terms by adding or subtracting them. Distribute and simplify within parentheses or brackets as needed. Pay attention to negative signs and ensure their proper placement.
Finally, review the simplified expression to ensure accuracy and validity within the given context.
Note: The complete question is:
\(\(\frac{{-2(4+6)+(-2)6}}{{-2(4-1)}}\)\), calculate the simplified form of this expression.
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Use the graph to answer the question. Graph of polygon ABCDE with vertices at negative 3 comma 3, negative 3 comma 6, 1 comma 6, 1 comma 3, negative 1 comma 1. A second polygon A prime B prime C prime D prime E prime with vertices at negative 5 comma 3, negative 5 comma 6, negative 9 comma 6, negative 9 comma 3, negative 7 comma 1. Determine the line of reflection. Reflection across x = −4 Reflection across y = 1 Reflection across the x-axis Reflection across the y-axis
The line of reflection is the vertical line that passes through the midpoint of the distance between A and A', which is the line x = -4.
To determine the line of reflection, we need to observe the relationship between the original polygon ABCDE and the image polygon A'B'C'D'E'. We can see that A' is located 2 units to the left of A, while B' is also located 2 units to the left of B. Similarly, C' is located 8 units to the left of C, D' is located 8 units to the left of D, and E' is located 6 units to the left of E.
Based on this information, we can conclude that the line of reflection is the vertical line that passes through the midpoint of the distance between A and A', which is the line x = -4. This is because the image of a point reflected across a vertical line is the same distance to the left or right of the line as the original point. Therefore, we can reflect polygon ABCDE across the line x = -4 to obtain polygon A'B'C'D'E'.
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Charges for advertising on a TV show are based on the number of viewers, which is measured by the rating. The rating is a percentage of the population of 110 million TV households. The CBS television show 60 Minutes recently had a rating of 7.8, indicating that 7.8% of the households were tuned to that show. An advertiser conducts an independent survey of 100 households and finds that at least b+1 were tuned to 60 Minutes. Assuming that the 7.8 rating is correct, find the probability of surveying 100 randomly selected households and getting at least 5+1 tuned to
60 Minutes.
The probability of surveying 100 randomly selected households and getting 4 or fewer tuned to 60 minutes is only 0.02%.
How to calculate the probabilityP(X <= 4) = P(X = 0) + P(X = 1) + P(X = 2) + P(X = 3) + P(X = 4)
P(X = k) = (100 choose k) * 0.078^k * (1 - 0.078)^(100-k)
P(X <= 4) = (100 choose 0) * 0.078^0 * (1 - 0.078)^(100-0) + (100 choose 1) * 0.078^1 * (1 - 0.078)^(100-1) + (100 choose 2) * 0.078^2 * (1 - 0.078)^(100-2) + (100 choose 3) * 0.078^3 * (1 - 0.078)^(100-3) + (100 choose 4) * 0.078^4 * (1 - 0.078)^(100-4)
Using a calculator or software, we can find that:
P(X <= 4) = 0.000203
This means that the probability is 0.02%.
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Charges for TV advertising on a TV show are based on the number of viewers, which is measured by the rating. The rating is the percentage of population of 110 million TV households.The CBS television show 60 minutes recently had a rating of 7.8, indicating that 7.8% of the household were tuned to that show.An advertiser conducts an independent survey of 100 households and finds that only 4 were tuned to 60 minutes. Assuming that the 7.8 rating is correct, find the probability of surveying 100 randomly selected households and getting 4 or fewer tuned to 60 minutes.Does the result suggest that the rating of 7.8 is too high?
I need expert answers for this
The last expression finally simplifies to cot β + tan α using quotient identity in trigonometric identities.
How to prove Trigonometric Identities?We want to verify the trigonometric identity;
cos (α - β)/(cos α sin β) = cot β + tan α
Now, according to trigonometric identities in mathematics, we know that;
cos (α - β) = (cos α cos β) + (sin α sin β)
Thus, plugging that back into our left hand side of the main question gives;
[(cos α cos β) + (sin α sin β)]/(cos α sin β)
Rewriting this expression by separating the denominator gives;
[(cos α cos β)/(cos α sin β)] + [(sin α sin β)]/(cos α sin β)
Using quotient identities, this can be simplified to;
cot β + tan α
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Scores on a college entrance exam rose from 20.1 in 1977 to 20.6 in 1986. What percent increase is this?
What is the percent of increase?
(Dound to the nearest tenth
Answer:
2.5% change when rounded to the nearest tenth
Step-by-step explanation:
The Formula for measuring change over time:
P=N−O/O⋅100
P is the percent change
N is the New Value - 20.6 for this problem
O is the Old Value = 20.1 for this problem
First subtract the new value from the old value (you should get 0.5)
Then, divide that number by the old value (you chould get a really long decimal)
Then, multiply that number by 100 (You should get a number like 2.48756 etc.)
Lastly, round it up to the nearest tenth (2.5)
Which of the following expressions is equal to 5^6/5^2
A) 5.5.5
B) 1/5.5.5.5
C) 5.5.5.5
D) 3
Answer:
\(\dfrac{5^6}{5^2}\) = \(5{\cdot}5{\cdot}5{\cdot}5\)
Step-by-step explanation:
The given expression is :
\(\dfrac{5^6}{5^2}\)
We need to find this expression is equal to what.
\(\dfrac{5^6}{5^2}=\dfrac{5^4\times 5^2}{5^2}\\\\=5^4\\\\=5\times 5\times 5\times 5\\\\\text{or}\\\\=5{\cdot}5{\cdot}5{\cdot}5\)
Hence, \(\dfrac{5^6}{5^2}\) is equal to \(5{\cdot}5{\cdot}5{\cdot}5\). Hence, the correct option is (c).
7 pounds of turkey cost $24.64. What is the price per ounce?
can some help me???????
You are a poor groundskeeper working for the king and queen in their
castle. As you are maintaining the grounds you spot a wolf that is getting
dangerously close to the young prince who is just playing outside with his toys.
As the fox charges towards the prince, he is unable to move as fear sets in and
you run up to grab the prince and chase away the wolf. The prince is safe.
Afterward the king and queen hear of your heroics and summon you to see
them. They praise you for saving the prince and offer you a reward. Being the
humble person you are, all you ask for is rice to feed your family. The queen
offers you 1 cup of rice (1 cup contains approximately 8640 grains of rice) and
promises to give you 2 more cups of rice everyday for the next 3 months. The
king is a chess aficionado and offers you the following deal: on the first day, 1
grain of rice will be placed on the first square, the next day 2 grains will be placed
in the second square, then 4 grains will be placed on the third square, and so on.
The king offers to double the grains of rice everyday for the next 3 months.
I would recommend that you choose the queen's offer. It is a safer bet, and it will provide you with a guaranteed amount of rice to feed your family.
How to explain the decisionThe king's offer is a very generous one, and it would provide you with a lifetime supply of rice. However, it is also a very risky one. The total number of grains of rice on the 64th square is a very large number. In fact, it is so large that it is difficult to even imagine. If the king were to fulfill his promise, it would bankrupt the kingdom.
The queen's offer is much more practical. She is offering you a guaranteed amount of rice, which you can use to feed your family. While it may not be as much rice as the king is offering, it is a much safer bet.
If you are looking for a more stable option, then the queen's offer is the better choice.
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431.67 In a different number, the 4 represents a value which is one-tenth of the value of the 4 in the number above. What value is represented by the 4 in the other number?
So the different number has a 4 with a value of 40.
What is Algebraic expression ?
Algebraic expression can be defined as combination of variables and constants.
To solve this problem, we need to first identify the place value of the digit 4 in the given number.
The digit 4 is in the hundreds place in the number 431.67, so its value is 4 x 100 = 400.
According to the problem statement, the 4 in the different number represents a value which is one-tenth of the value of the 4 in 431.67. Therefore, the value of the 4 in the different number is:
400/10 = 40
To determine the value of the different number, we need to look at the other digits in the number. Since we don't have any information about the other digits, we cannot determine the value of the different number. The answer is that the value of the different number cannot be determined with the information given.
Therefore, So the different number has a 4 with a value of 40.
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Which statement applies to the transformed function f(x)−4
?
The function is odd, and the graph would be shifted downward. option(2)
The statement "f(x) - 4" represents a transformation applied to the original function f(x). This transformation involves subtracting 4 from the values of the function f(x) for all x. In other words, it shifts the entire graph of f(x) downward by 4 units along the y-axis.
Specifically, each y-value of the original function f(x) is reduced by 4. For example, if the original function had a point (x, y), the transformed function f(x) - 4 would have the corresponding point (x, y - 4). This means that every point on the graph is shifted downward by 4 units.
This transformation affects the overall shape, position, and properties of the function. The new graph will have the same general shape as the original, but it will be translated downward. If there were any intercepts or turning points in the original function, they will also be shifted downward by 4 units.
The statement "f(x) - 4" represents a transformation applied to the original function f(x). This transformation involves subtracting 4 from the values of the function f(x) for all x. In other words, it shifts the entire graph of f(x) downward by 4 units along the y-axis.
Specifically, each y-value of the original function f(x) is reduced by 4. For example, if the original function had a point (x, y), the transformed function f(x) - 4 would have the corresponding point (x, y - 4). This means that every point on the graph is shifted downward by 4 units.
This transformation affects the overall shape, position, and properties of the function. The new graph will have the same general shape as the original, but it will be translated downward. If there were any intercepts or turning points in the original function, they will also be shifted downward by 4 units. Option(2)
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Two books, A and B, are sold in three stores, X, Y and Z. The number of copies of book A sold in a month is 40, 20, and 60 from stores X, Y, and Z, respectively. The number of copies of book B sold is 10, 70, and 20 from X, Y, and Z, respectively. The profit from the sales of book A is $4, and the profit from the sales of book B is $1 for all the three stores. Which matrix represents the profit from the sales of book A for each store?
The matrix representing the profit from the sales of book A for each store is:
[ $4 ]
[ $4 ]
[ $4 ]
To represent the profit from the sales of book A for each store, we can use a matrix where the rows correspond to the stores (X, Y, Z) and the columns correspond to the book A.
The matrix representing the profit from the sales of book A for each store is as follows:
Store Book A
X $4
Y $4
Z $4
Therefore, the matrix representing the profit from the sales of book A for each store is:
[ $4 ]
[ $4 ]
[ $4 ]
Each element in the matrix represents the profit from the sales of book A in a specific store, which is $4 for all stores (X, Y, Z).
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One-third (x minus 2) = one-fifth (x + 4) + 2?
Answer:
x = 26
Step-by-step explanation:
Which is one condition that must be present for an inverse relation to be a function?
A. The function must be a straight line. The function must be a straight line.
B. The function must pass the vertical line test. The function must pass the vertical line test.
C. The inverse relation must be a straight line. The inverse relation must be a straight line.
D. The inverse relation must pass the vertical line test.
the correct option is D:
" The inverse relation must pass the vertical line test."
Which is one condition that must be present for an inverse relation to be a function?
Remember that a relation is only a function if each value in the domain is only mapped into a single value in the range.
All functions need to pass what is called the "vertical line test" this means that if you draw a vertical line on the graph of the function, the vertical line can intersect the graph at most one time. If the vertical line intercepts the graph two or more times, then it is not a function.
From this we conclude that the correct option is D:
" The inverse relation must pass the vertical line test."
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A taxi ride costs $4 plus an additional $3 per mile. Write the equation for the line in slope-intercept form
Answer:
y=3x+4
Step-by-step explanation:
4 is your y-intercept, and 3 is your slope.
The linear function shows the total cost will be y = 3x + 4.
What is a linear function?A straight line on the coordinate plane is represented by a linear function.
A linear function always has the same and constant slope.
The formula for a linear function is f(x) = ax + b, where a and b are real values.
As per the given,
A taxi ride costs $4 plus an additional $3 per mile.
Let's say the number of miles is represented as x while the total cost is represented as y.
y = 3x + 4
Hence "The linear function shows the total cost will be y = 3x + 4".
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