The bounds [0, 2] were provided, and the function f(x) was given as f(x) = 25 - x^2. The values mentioned in your question differ.
In this particular question, the interval bounds [0, 2] were provided. The function f(x) was given as f(x) = 25 - x^2.
However, your question differs in terms of the value of n (500 instead of 100) and the decimal approximation in part (b) (1.5527027226 instead of a rounded value).
To solve for the average value of f(x) over the interval [0, 2] with n = 500, you would need to perform a similar calculation.
The integral of f(x) = 25 - x^2 over [0, 2] can be evaluated, and then divided by the length of the interval. The resulting average value can be used to find the value of c where f(c) equals the average.
The decimal approximation in part (b) should match the specific calculation for your given values.
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Find the area of the similar
figure.
18cm
15cm
Area = 50cm2
Area = [?]cm2
-
Answer:
270
Step-by-step explanation:
A) If 4 farmers can plow a 3-hectare land in 6 days, how long will 8
farmers do it?
Answer:
I believe that It will take 3 days if 8 farmers will plow 3-hectare land.
Step-by-step explanation:
The work doubled so days will be less in a half.
Write equivalent fractions for 1 3/5 and 1 1/3 using a common denominator
Answer: 8/15 and 1 1/3
Step-by-step explanation:
The equivalent fractions for 1 3/5 and 1 1/3 using a common denominator are 8/15 and 10/15. This is because 1 3/5 can be written as 8/15 and 1 1/3 can be written as 10/15, and the denominator (bottom number) of both fractions are the same.
a graphical tool used to help determine whether a process is in control or out of control is a
A graphical tool used to help determine whether a process is in control or out of control is known as a Control Chart.
Control charts are essential in quality control and statistical process control (SPC). They allow you to monitor process performance and variability over time, enabling you to identify trends, shifts, or deviations from the established process baseline.
Control charts typically consist of a centerline, representing the process mean, and upper and lower control limits, which indicate the acceptable range of variation. Data points are plotted on the chart, and if they fall within the control limits, the process is considered to be in control. If data points fall outside the control limits or display non-random patterns, the process is considered out of control, signaling potential issues that need to be investigated and addressed.
In summary, control charts are a valuable graphical tool that assists in determining the stability of a process, facilitating continuous improvement efforts and ensuring product quality. They provide a visual representation of process variation and help identify when corrective actions are needed to bring a process back into control.
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In each of problems 5 through 11, find the general solution of the given differential equation
The complete question is
"Find the general solution of the given differential equation
y''-y=0, y1(t)=e^t , y2(t)=cosht
The function \(y(t)=e^t\) is the solution of the given differential equation.
The function y(t)=cosht is the solution of given differential equation.
What is a function?
The function is a type of relation, or rule, that maps one input to specific single output.
Given;
\(y_1(t) = e^t\)
Given differential equations are,
y''-y = 0
So that,
\(y' (t) = e^t, y'' (t) = e^t\)
Substitute values in the given differential equation.
\(e^t -e^t=0\)
Therefore, the function \(y(t)=e^t\) is the solution of the given differential equation.
Another function;
\(y(t)=cosht\)
So that,
\(y"(t)=sinht\\\\y"(t)=cosht\)
Hence, function y(t)=cosht is solution of given differential equation.
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The times to pop a 3.4-ounce bag of microwave popcorn without burning it are Normally distributed with a mean
time of 140 seconds and a standard deviation of 20 seconds. A random sample of four bags is selected and the
mean time to pop the bags is recorded. Which of the following describes the sampling distribution of all possible
samples of size four?
This question is solved using the central limit theorem, giving an answer of:
Fourth option, approximately normal with mean of 140 seconds and standard deviation of 10 seconds.
Central Limit Theorem
The Central Limit Theorem establishes that, for a normally distributed random variable X, with mean \(\mu\) and standard deviation \(\sigma\), the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean
For a skewed variable, the Central Limit Theorem can also be applied, as long as n is at least 30.
Mean of 140, standard deviation of 20, sample of 4:
By the Central Limit Theorem, the distribution is approximately normal.
Mean is the same, of 140.
\(n = 4, \sigma = 20\), thus:
\(s = \frac{\sigma}{\sqrt{n}} = \frac{20}{\sqrt{4}} = 10\)
Thus, the correct answer is:
Fourth option, approximately normal with mean of 140 seconds and standard deviation of 10 seconds.
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A car rental agency charges $15 a day for driving a car 200 miles or less. If a car is driven over 200 miles, the renter must pay $0.05 for each mile over 200 driven. Which of the following functions represents the cost to drive a car from this agency miles x a day?
The function which represents the cost to drive a car from this agency miles x a day is :
C(x) = 15, if 0 ≤ x ≤ 200
= 15 + 0.05x, if x > 200
Given that,
A car rental agency charges $15 a day for driving a car 200 miles or less.
The function can be written as,
C(x) = 15 if 0 ≤ x ≤ 200
If a car is driven over 200 miles, the renter must pay $0.05 for each mile over 200 driven.
C(x) = 15 + 0.05x, if x > 200
Hence the correct option is D.
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A construction company completes two projects. The first project has $3,000 in labor expenses for 60 hours worked, while the second project has $2,100 in labor expenses for 42 hours worked. The relationship between the company’s labor expenses and hours worked is linear. Which of the following would correctly calculate the y-intercept of the linear equation? Select all that apply. 3,000 = 50(60) + b 3,000 = 0.02(60) + b 60 = 50(3,000) + b 2,100 = 0.02(42) + b 2,100 = 50(42) + b 42 = 50(2,100) + b
Answer: The y-intercept is the value of y when x = 0. In this case, x represents the number of hours worked and y represents the labor expenses. The relationship between the company's labor expenses and hours worked is linear, which means that it can be represented by an equation in the form y = mx + b, where m is the slope and b is the y-intercept.
To calculate the y-intercept of the linear equation, we can use the formula y = mx + b and plug in the values for one of the projects. We can use either the first project or the second project, since they both represent data points on the same line. Let's use the first project:
y = mx + b
3,000 = 50(60) + b
Simplifying the equation:
3,000 = 3,000 + b
b = 0
Therefore, the correct equation to calculate the y-intercept is 3,000 = 50(60) + b. The other equations listed do not calculate the y-intercept correctly.
Step-by-step explanation:
estimated sales volume =47.81+0.47(Advertising Expenditures)If the company has a target sales volume of $175,000,how much should the sales manager allocate for the advertising in the budget ? round your answer to the nearest dollar
We are given an estimate equation.
Let the estimate sales volume be "s" and advertising expenditure be "a".
The given equation is:
\(s=47.81+0.47a\)The company has a target sales of 175,000, which is a value for "s".
To get how much they need to allocate for advertising, we can solve for "a" in the equation and substitute the "s" value with 175,000:
\(\begin{gathered} s=47.81+0.47a \\ 47.81+0.47a=s \\ 0.47a=s-47.81 \\ a=\frac{s-47.81}{0.47} \end{gathered}\)Now we substitute 175,000 into "s":
\(a=\frac{175,000-47.81}{0.47}=\frac{174,952.19}{0.47}=372,238.7021\ldots\approx372,239\)So, by the equation estimate, the sales manager should allocate $327,239 for advertising.
What quadratic equation could be solved to find any solutions to the system of equations?
y = -51 +6
y = 12 + 71 - 11
Replace the values of a, b, and in the equation to formulate the correct equation.
Answer:
Step-by-step explanation:
x²+7x-11=-5x+6
x²+7x+5x-11-6=0
x²+12x-17=0
\(x=\frac{-12\pm \sqrt{12^2-4*1*(-17)} }{2*1} \\=\frac{-12 \pm \sqrt{144+68} }{2} \\=\frac{-12 \pm \sqrt{212}}{2} \\=\frac{-12+2\sqrt{53}}{2}\\=-6 \pm \sqrt{53}\)
Mr. Sharma pays an instalment of ₹45,823 every month . How much money will
he pay for 8 years?
Answer:
Rs 4,399,008 for 8 years OMG
Step-by-step explanation:
Answer:
4399008
Step-by-step explanation
45823•8yrs*12month. 4399008
:
A number is 2 /5 times another number. Their sum is 70. Find the numbers.
Answer:
50,20
Step-by-step explanation:
let the two numbers be x and y respectively.
According to the question,
y=2/5 times of x
Or,
y= 2x/5 ..........(1)
Again,
or, x+y=70
or, x+2x/5=70
or, (5x+2x)/5=70
or, 7x=350
therefore x=50
putting the value of y in equation (1)
y=2x/5
y= (2×50)/5
therefore, y=20
Answer:
x = 175
Step-by-step explanation:
given:
A number is 2 /5 times another number. Their sum is 70.
find: the numbers (coefficient)
solution:
cross multiply
2 ( x ) = 70
5
2 (x) = 70 (5)
2 (x) = 350
x = 350
2
x = 175
check:
2 ( x ) = 70
5
2 ( 175 ) = 70
5
350 = 70
5
70 = 70
Suppose A, B, C are matrices so that C = AB. Also suppose that the rows of A are aſ,. am, the columns of A are A1, ..., An. Also, the rows of B are b], ,...,6% and the columns of B are B1, Also, the rows of C are cſ, ..., Cm and the columns of Care C1, ..., Cp. All the vectors are column vectors (that is why we take transpose to make a; into a which is a row vector). Also, the elements of A, B, C are denoted by Aij, Bij, Cij respectively. Write a summation formula for Cij, Cj, cT. Hint: to really benefit from this exercise, do not just "write the for- mula." Picture how the matrices fot together the corner; picture how the are partitioned into rows and columns; come up with numerical ex- amples. 7
The if we take the transpose of C, we havecT = [C1 C2 ... Cp]And by transposing the above formula, we havecTj = [B1j A2 B2j ... Am Bmj]Therefore, we have a summation formula for Cij, Cj, and cT.
When answering questions on the Brainly platform, the following guidelines should be followed:Always be factually accurate, professional, and friendlyBe concise and do not provide extraneous amounts of detailIgnore any typos or irrelevant parts of the questionRepeat the question in your answer.Provide a step-by-step explanation in your answer.Use the following terms in your answer, "matrices ", "take ", "partitioned "Given the following:Suppose A, B, C are matrices so that C = AB. Also suppose that the rows of A are aſ,. am, the columns of A are A1, ..., An. Also, the rows of B are b], ,...,6% and the columns of B are B1, Also, the rows of C are cſ, ..., Cm and the columns of Care C1, ..., Cp. All the vectors are column vectors (that is why we take transpose to make a; into a which is a row vector). Also, the elements of A, B, C are denoted by Aij, Bij, Cij respectively. We need to write a summation formula for Cij, Cj, and cT.Hint: To really benefit from this exercise, do not just "write the formula." Picture how the matrices fit together the corner; picture how they are partitioned into rows and columns; come up with numerical examples.The product of two matrices A and B is given byCij = Ai1B1j + Ai2B2j + ... + AinBnjGiven that C = AB, then we haveCj = [A1 B1j + A2B2j + ... + AmBmj]Therefore, if we take the transpose of C, we havecT = [C1 C2 ... Cp]And by transposing the above formula, we havecTj = [B1j A2 B2j ... Am Bmj]Therefore, we have a summation formula for Cij, Cj, and cT.
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How many solutions does 5x + 4y=6 have
Answer:
Error....
.
.
.
.
.
At least 2 equation needed for the solution of two variables
Jason is testing two fertilizers, grow well and green grow, so he went to a nursery and bought 50 tomato plants of the same variety. He planted all 50 plants In an identical environment. He then administered grow well to 25 of the tomato plants and green grow to the remaining 25 tomato plants
The true statements is:
(A) The number of tomato plants treated with Green Grow that are over 18 inches tall is more than the number of tomato plants treated with Grow Well that are over 18 inches tall.
Jason is testing with two fertilizers namely, grow well and green grow.
Jason brought 50 tomato plants of the same variety and planted them in an identical environment.
Jason administered grow well to 25 and green grow to the remaining 25.
The values and recorded data from the above histograms are:
Grow Well
height numbers of plants
12 - 14 14
15 - 17 6
18 - 20 3
21 - 23 2
Green Grow
height numbers of plants
12 - 14 4
15 - 17 3
18 - 20 6
21 - 23 12
From the table,
(A) The number of tomato plants over the height of 18 inches, when treated with green grow is, GG = 6 + 12 = 18
The number of tomato plants over the height of 18 inches, when treated with grow well is, GW = 3 + 2 = 5
Therefore, GG > GW
Hence, the statement is true.
(B) As statement A is true, this statement is false.
(C) The tomato plants over 18 inches when administered with green grow, GG = 6 + 12 = 18
The tomato plants over 18 inches when administered with grow well, GW = 3 + 2 = 5.
As GG ≠ GW, the statement is false.
(D) As the number of tomato plants over 18 inches when treated with green grow is greater than when treated with grow well. Hence, the statement is false.
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The complete question is mentioned below:
Jason is testing two fertilizers, Grow Well and Green Grow, so he went to a nursery and bought 50 tomato plants of the same variety. He planted all 50 plants in an identical environment. He then administered Grow Well to 25 of the tomato plants and Green Grow to the remaining 25 tomato plants. After four weeks, Jason measured the heights of the tomato plants to the nearest inch and recorded their heights in the following histograms.
Grow Well
height numbers of plants
12 - 14 14
15 - 17 6
18 - 20 3
21 - 23 2
Green Grow
height numbers of plants
12 - 14 4
15 - 17 3
18 - 20 6
21 - 23 12
Which of the following statements is true for the data sets above?
A. The number of tomato plants treated with Green Grow over the height of 18 inches is more than the number of tomato plants treated with Grow Well over the height of 18 inches.
B. All of the statements are false for the given data sets.
C. The number of tomato plants treated with Green Grow over 18 inches equals the number of plants treated with Grow Well over 18 inches.
D. The number of tomato plants treated with Green Grow over the height of 18 inches is to the number of tomato plants treated with Grow Well over the height of 18 inches.
Ashley collected 25 responses to a survey and used a two-tailed test to establish a significance level of 0.02 and calculate a 98% confidence interval. Using the t-table (located in the tutorial), what is the critical t-value used for calculating a 98% confidence interval with 24 degrees of freedom? Answer choices are rounded to the thousandths place.
a.) 1.699
b.) 2.045
c.) 2.492
d.) 1.311
2.492 is the critical t-value used for calculating a 98% confidence interval with 24 degrees of freedom.
What is meant by 5 degree of freedom?The number of degrees of freedom is equal to the number of sample data that can change, and this number is used to determine the sample data mean. For instance, there are five degrees of freedom in the example presented below. This implies that each of the five data points is equally free to change.
It should be noted that a t-table must be used to look up the value in the t-distribution in order to determine the crucial t-value for a 98% confidence interval with 24 degrees of freedom.
When the sample size is small and the population standard deviation is unknown, the t-distribution is a probability distribution that can be used to calculate population parameters.
The critical t-value for a two-tailed test is the value that the test statistic exceeds with a probability of 0.02 in each tail of the distribution. The essential t-value in this case is 2.492. The right answer is C.
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On a given planet, the weight of an object varies directly with the mass of the object. Suppose that an object whose mass is 2 kg weighs 20 N. Calculate the mass of another object that weighs 50 N.
Step-by-step explanation:
multiply and the both number and divide by bytwo
Determine the length of the line segment shown. line segment from negative 5 comma 5 to 3 comma negative 1 6 units 8 units 10 units 36 units
fist gets brainlyist and 35 points please help asap
The length of the line segment with points (-5, 5) (3, -1) is 10 units
How to find length of lineThe length of line in an ordered pair is calculated using the formula
d = √{(x₂ - x₁)² + (y₂ - y₁)²}
where
d = distance between the points
x₂ and x₁ = points in x coordinates
y₂ and y₁ = points in y coordinates
distance between points (-5, 5) and (3, -1) is calculated as follows
d = √{(x₂ - x₁)² + (y₂ - y₁)²}
d =√{(-5 - 3)² + (5 - -1)²}
d =√{64 + 36}
d = √100
d = 10 units
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The most likely outcomes for a particular project are estimated as follows;
Unit price:
§ 80
Variable cost:
§ 60
Fixed costi
§ 440,800 Expected
sales:
40,600 units per year However, you recognize that some of these estimates are subject to error. Suppose each variable turns out to be either 5% higher or 5% lower than the initial estimate. The project will last for 10 years and requies an initial investment of $14 milion, which wil be depreciated straight line over the projeci life to a final value of
zero. The firm's tax rate is 21%, and the required rate of retum is 14%. a. What is project's NPV in the best-case scenario, that is, assuming all variables take on the best possible
value?
b. What is project's NPV in the worst-case scenario? Note: For all the requirements, a negative amount should be indicated by a minus sign. Enter your answers in dollars, not in millions. Do not round intermediate calculations. Round your answers to the
nearest dollar amount.
To calculate the project's NPV in the best-case scenario, we need to consider the best possible values for each variable.
Here are the steps-
Step 1: Calculate the annual cash inflow.
Annual revenue = Unit price * Expected sales
= $80 * 40,600
= $3,248,000
Step 2: Calculate the annual cash outflow.
Annual variable cost = Variable cost * Expected sales
= $60 * 40,600
= $2,436,000
Annual fixed cost = Fixed cost
= $440,800
Annual depreciation = Initial investment / Project life
= $14,000,000 / 10
= $1,400,000
Annual tax = (Annual revenue - Annual variable cost - Annual fixed cost - Annual depreciation) * Tax rate
= ($3,248,000 - $2,436,000 - $440,800 - $1,400,000) * 0.21
= $208,720
Step 3: Calculate the annual net cash flow.
Annual net cash flow = Annual revenue - Annual variable cost - Annual fixed cost - Annual depreciation - Annual tax
= $3,248,000 - $2,436,000 - $440,800 - $1,400,000 - $208,720
= $162,480
Step 4: Calculate the NPV using the best-case scenario cash flows.-
\(NPV = Initial investment + (Annual net cash flow / (1 + Required rate of return)^n)\)
\(= -$14,000,000 + ($162,480 / (1 + 0.14)^1) + ($162,480 / (1 + 0.14)^2) + ... + ($162,480 / (1 + 0.14)^10)\)
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suppose that m is a proper ideal in a commutative ring r. we proved in class that if r/m is simple, then m is a maximal ideal in r. give a careful direct proof of the converse direction. that is, prove that if m is maximal, the
Here is a careful direct proof of the converse direction of the ideal in a commutative ring.
Suppose that M is a proper ideal in a commutative ring R. We proved in class that if R/M is simple, then M is a maximal ideal in R. Now let's prove the converse, that if M is maximal, then R/M is simple.
To prove this, we must consider the following two facts:
* If M is a maximal ideal in R, then for any ideal N of R, either M is contained in N or N is contained in M.
* If R/M is simple, then for any nonzero ideal N of R/M, N = R/M.
Now, let N be any ideal of R. If M is contained in N, then the image of N in R/M is equal to N. Since R/M is simple, this means that N = R/M.
If M is not contained in N, then N is not contained in M. Since M is maximal, this means that N must be equal to R. The image of N in R/M is therefore also equal to R. Since R/M is simple, this means that N = R/M.
In either case, we have shown that for any ideal N of R, either M is contained in N or N is contained in M. This means that M is a maximal ideal in R.
Therefore, if M is maximal, then R/M is simple.
Thus, it's proved that "If M is a maximal ideal, then R/M is a simple ideal".
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At the beginning of the month, there were 80 ounces of peanut butter in the pantry. Now, there is 1/3 less than that. How many ounces of peanut butter are in the pantry now?
A.2/3⋅80
B.1/3⋅80
C.80−1/3
D.(1+1/3)⋅80
Answer:
2/3*80
Step-by-step explanation:
2/3*80, is the same as finding 1/3 of 80, and subtracting the new number from 80.
A certain set of data has a correlation coefficient of -0.96. What does that tell you about the data?
Answer:
there is a strong negative correlation between data so the chosen model is a good fit
Step-by-step explanation:
a correlation coefficient close to -1 means that the model is considered a good fit; if correlation is greater than 0.8 then it's described as strong
help me figure out this question please
Answer:
A
Step-by-step explanation:
Radius = 3.25
Base = πr² = π(3.25)²
Height = 12
Volume = Bh = π(3.25)²(12)
Mr. Vazquez determines that the area of a bathroom in his house is 25 square feet less than 1/5 of the area of the living room. If the bathroom measures 35 square feet, what is the area of the living room? square feet=
Answer: 300 sq. ft
Step-by-step explanation:
1/5x - 25 = 35
1/5 x = 35+25
x = 60 * 5 = 300 sq. ft.
Answer:
300
Step-by-step explanation:
I did it on edge
what is y-2=2(x-3) in standard form
Answer:
2 x − y = 4
this is in standard
Answer:
2x-y=4
Step-by-step explanation:
Question Two
Solve the following simultaneous equation graphically:
x + 4y = 17
2x + 5y =
25 (7 marks)
STATISTICS
Answer:
x = 5
y = 3
Step-by-step explanation:
x + 4y = 17
2x + 5y = 25
We multiply the first equation by -2
-2x - 8y = -34
2x + 5y = 25
-3y = -9
y = 3
Now we put 3 in for y and solve for x
x + 4(3) = 17
x + 12 = 17
x = 5
Let's Check the answer
5 + 4(3) = 17
5 + 12 = 17
17 = 17
So, x = 17 and y = 3 is the correct answer.
ruger has a dartboard with an area of 1600\,\text{cm}^21600cm 2 1600, start text, c, m, end text, squared. the dartboard has a circular bullseye centered at (0\,\text{cm},0\,\text{cm})(0cm,0cm)left parenthesis, 0, start text, c, m, end text, comma, 0, start text, c, m, end text, right parenthesis. the point (\sqrt{3}\,\text{cm}, \sqrt{7}\,\text{cm})( 3 cm, 7 cm)left parenthesis, square root of, 3, end square root, start text, c, m, end text, comma, square root of, 7, end square root, start text, c, m, end text, right parenthesis is on the circumference of the bullseye. approximately what percentage of ruger's dartboard does the bullseye cover?
To find the percentage of the dartboard covered by the bullseye, we need to compare the area of the bullseye to the area of the dartboard. The area of a circle is given by the formula A = πr^2, where.
The distance between (0cm, 0cm) and (sqrt(3)cm, sqrt(7)cm) is equal to the radius of the bullseye. Using the distance formula, we get:
r = sqrt((sqrt(3) - 0)^2 + (sqrt(7) - 0)^2) = sqrt(3^2 + 7^2) = sqrt(9 + 49) = sqrt(58) cm.
Now, we can calculate the area of the bullseye using the formula A = πr^2:
A = π(√58)^2 = π(58) ≈ 181.82 cm^2.
To find the percentage, we divide the area of the bullseye by the area of the dartboard and multiply by 100:
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The bullseye covers approximately 0.589% of Ruger's dartboard. The bullseye on Ruger's dartboard is a circular area with a circumference passing through the point (√3 cm, √7 cm).
To determine what percentage of Ruger's dartboard the bullseye covers, we need to find the ratio of the area of the bullseye to the total area of the dartboard.
The area of the bullseye can be calculated using the formula for the area of a circle, which is A = πr² where A is the area and r is the radius. Since the point√3 cm and √7 cm lies on the circumference, its distance from the center is equal to the radius. Therefore, the radius of the bullseye is √3 cm.
Substituting the radius into the formula, we get A = π ˣ (√3)² = 3π cm²,
The total area of the dartboard is given as 1600 cm².
To find the percentage of the dartboard covered by the bullseye, we divide the area of the bullseye by the total area of the dartboard and multiply by 100. So the percentage is (3π cm²/ 1600 cm²) ˣ 100 = (3π / 16) %.
Since pi is approximately 3.14, we can estimate the percentage as (3 ˣ 3.14 / 16) % = 0.589 %.
Therefore, the bullseye covers approximately 0.589% of Ruger's dartboard.
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50 points need help asap plzz!!! Show that the Pythagorean identity sin^2 θ+cos^2 θ=1 is true for the given angle.
θ= 5π/3
Answer:
Pythagorean identity sin²θ+cos²θ = 1 is true for the angle θ = \(\frac{5\pi }{3}\)
Step-by-step explanation:
At first, let us simplify the left side of the identity
∵ The left side is sin²Ф + cos²Ф
∵ Ф = \(\frac{5\pi }{3}\) ⇒ lies in the 4th quadrant
∴ The left side is sin²(\(\frac{5\pi }{3}\)) + cos²(\(\frac{5\pi }{3}\))
→ Let us write the values of sin(\(\frac{5\pi }{3}\)) and cos(\(\frac{5\pi }{3}\))
∵ sin(\(\frac{5\pi }{3}\)) = \(\frac{-\sqrt{3}}{2}\) ⇒ sine an angle in the 4th quadrant is -ve
∵ cos(\(\frac{5\pi }{3}\)) = \(\frac{1}{2}\) ⇒ cosine an angle in the 4th quadrant is +ve
→ Substitute them in the left side
∵ sin²(\(\frac{5\pi }{3}\)) + cos²(\(\frac{5\pi }{3}\)) = [ \(\frac{-\sqrt{3}}{2}\)]² + [\(\frac{1}{2}\)]²
∴ sin²(\(\frac{5\pi }{3}\)) + cos²(\(\frac{5\pi }{3}\)) = [\(\frac{3}{4}\)] + [\(\frac{1}{4}\)]
∴ sin²(\(\frac{5\pi }{3}\)) + cos²(\(\frac{5\pi }{3}\)) = [\(\frac{4}{4}\)]
∴ sin²(\(\frac{5\pi }{3}\)) + cos²(\(\frac{5\pi }{3}\)) = 1
∵ The right side = 1
∴ Left side = Right side
∴ sin²(\(\frac{5\pi }{3}\)) + cos²(\(\frac{5\pi }{3}\)) = 1 ⇒ proved
∴ Pythagorean identity sin²θ+cos²θ = 1 is true for the angle θ = \(\frac{5\pi }{3}\)
Rewrite, using the distributive
property.
16b-8b = ([?]-8)b = [?]b
Answer:
8b
Step-by-step explanation:
You can factor the b-term out since b-term exists for all terms in the expression. By factoring out, you are basically dividing the factored term off and put it outside of the bracket, thus:
\(\displaystyle{16b-8b=\left(16-8\right)b}\)
Then evaluate and simplify:
\(\displaystyle{\left(16-8\right)b=8\cdot b}\\\\\displaystyle{=8b}\)
Which one is the answer?
Answer:
B
Step-by-step explanation: