Answer: Domain: All real numbers
Range: y<-2, y>=0
Step-by-step explanation:
Domain: All real numbers ==> x can be less than zero and greater than or equal to zero.
Range: y<-2, y>=0
-x-2, x>0
-x-2+2, x>2
-x, x>2
x, x<-2
y, y<-2
-x, x<=0
x, x>=0
y, y>=0
Answer:
Step-by-step explanation:
Domain 5
range 2
How do you simplify and verify trig identities?
In order to simplify and verify trig identities, one needs to use the rules of trigonometry and algebra to manipulate the equation until it is in a simplified form.
The most common trig identities to remember include the Pythagorean identity, reciprocal identities, quotient identities, and sum and difference identities. When simplifying an equation, it is important to remember to include the negative sign when necessary and to factor out any common factors.
After simplifying, it is important to verify the equation. This can be done by plugging in known values for the variables and verifying that the equation is true. By utilizing the rules of trigonometry and algebra, one can simplify and verify trig identities. This process is essential for working with trigonometric functions.
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2. Is the following inequality always, sometimes, or never true?
2(3x - 1) +4> 6x + 2
The two sides of an inequality are not the same so inequality can never be true.
What is inequality?When two expressions are connected by a sign like "not equal to," "greater than," or "less than," it is said to be inequitable. The inequality shows the greater than and less than relationship between variables and the numbers.
Given that the inequality is 2(3x - 1) +4> 6x + 2. The inequality will be solved as below;-
2(3x - 1) +4> 6x + 2
6x - 2 + 4 > 6x + 2
6x + 2 > 6x + 2
The two sides are equal so inequality can never be true.
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(Related to Checkpoint 9.4) (Bond valuation) A bond that matures in
13
years has a
$1 comma 000
par value. The annual coupon interest rate is
12
percent and the market's required yield to maturity on acomparable-risk bond is
14
percent. What would be the value of this bond if it paid interest annually? What would be the value of this bond if it paid interest semiannually?
Question content area bottom
Part 1
a. The value of this bond if it paid interest annually would be
$.
(Round to the nearest cent.)
The value of this bond, if it paid interest annually, would be $850.78.
What is the value of the bond when interest is paid annually?In order to calculate the value of the bond, we need to use the present value formula for a bond. The present value of a bond is the sum of the present values of its future cash flows, which include both the periodic coupon payments and the final principal payment at maturity.
To calculate the present value of the annual coupon payments, we can use the formula:
PV = C × (1 - (1 + r)⁻ⁿ) / r,
where PV is the present value, C is the coupon payment, r is the required yield to maturity, and n is the number of periods.
In this case, the coupon payment is $120 ($1,000 par value × 12% coupon rate), the required yield to maturity is 14% (0.14), and the number of periods is 13. Plugging these values into the formula, we get:
PV = $120 × (1 - (1 + 0.14)⁻¹³) / 0.14
≈ $850.78.
Therefore, the value of this bond, if it paid interest annually, would be approximately $850.78.
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How to figure out what to do HCF or LCM
Answer: To find the HCF, find any prime factors that are in common between the products. Each product contains two 2s and one 3, so use these for the HCF. Cross any numbers used so far off from the products. To find the LCM, multiply the HCF by all the numbers in the products that have not yet been used.
Step-by-step explanation:
Solve the following:
2(x+3)=x-4
Separate question
4(5x-2)=2(9x3)
Answer:
Step-by-step explanation:
2x+6=x-4
x=-10
20x-8x=.....
Consider the graphs of the following lines.
3x - 5y = 2
3x + 5y = -2
Find the slope m of each line.
3x - 5y = 2
m₁ =
3x + 5y = -2
m2 =
8.6A.
4
Slope of lines 3x - 5y = 2 and 3x + 5y = -2 are m₁ = 3/5 and m₂ = -3/5 respectively.
What is slope of the line?The slope of a line is defined as the change in y-coordinate with respect to the change in x-coordinate of the line. The net change in the y coordinate is Δy and the net change in the x coordinate is Δx. Therefore, the change in y-coordinate for a change in x-coordinate can be written as
Line slope is a measure of the steepness or direction of a line in the coordinate plane.
m = Δy/Δx
where,m is the slope
Given,
equations of the line
3x - 5y = 2
Moving 3x to RHS
-5y = -3x + 2
y = (3/5)x - 2/5
comparing with slope intercept equation of the line y = mx + c
slope m₁ = 3/5
Now, equation
3x + 5y = -2
moving 3x to RHS
5y = -3x - 2
y = (-3/5)x - 2
comparing with slope intercept equation of the line y = mx + c
slope m₂ = -3/5
Hence, m₁ = 3/5 and m₂ = -3/5 are slope of lines 3x - 5y = 2 and 3x + 5y = -2 respectively.
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I lost my notes for these and I am not good at remembering
Answer: 1, 4, and 5 are 125
2, 3, 6, 7 are 55
Step-by-step explanation:
1 and 8 are congruent by opposite exterior angles and I forgot how to explain 4 and 5 but you know 7 is 55 because a straight line is 180 degrees so is you subtract 125 (8) you get 55 (7)
What do these values indicate about a sample mean absolute deviation being used as an estimator of the mean absolute deviation of a population?
Because the sample statistic centers around a different value than the population parameter, the sample mean absolute deviation is a biased estimator of the population mean absolute deviation.
Reason Behind a Biased Estimator
The expected value (average) of all the sample absolute deviations must match the population absolute deviation in order for the absolute deviation to function as an unbiased estimator. It does not, however, which makes the values of sample mean absolute deviation behave as a biased estimator.
Brief Description of Sample Mean Absolute Deviation
The average of the absolute deviations from a central point makes up the average absolute deviation of a data collection. It is a statistical summary of statistical variability or dispersion.
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T/F. Exception reports show a greater level of detail than is included in routine reports.
True. Exception reports show a greater level of detail than is included in routine reports.
Exception reports are reports that help in identifying data that does not conform to expected patterns. Exception reports show information about an exception in the data set.
This helps to identify irregularities or anomalies in data or system operations.Exception reports are used to analyze system performance, monitor resource consumption, and to detect unusual activity.
This type of report is important to identify issues or errors, where the routine reports or standard reports would not provide enough detail or insight to do so.
It provides detailed information on any unusual event or anomaly that occurred beyond the usual course of events or processes.Exception reports are generated and distributed when the data is not expected or when an event occurs that is outside of what is considered typical.
For example, a financial system might generate an exception report if a transaction is entered that exceeds the maximum allowed amount. This report would show the details of the transaction and highlight the exception.
The purpose of exception reports is to provide users with a higher level of detail than they would find in routine reports. Exception reports are used to highlight significant data, which will be used for further analysis or action.
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If f(x) = x + 4 and g(x) = x3, what is (gºf)(-3)?
Answer:
(g ○ f)(- 3) = 1
Step-by-step explanation:
evaluate f(- 3) then substitute the value obtained into g(x)
f(- 3) = - 3 + 4 = 1 , then
g(1) = 1³ = 1
unit 11 probability and statistics homework 2 answers
The probability that at least 5 will do their homework on time in a class of 50 students is 0.1
Probability
Probability is calculated by dividing the number of ways the event can occur by the total number of outcomes. Probability and odds are different concepts. Odds are the probability that something happens divided by the probability that it doesn't happen.
the probability that a randomly chosen student in a statistics class submits his/her homework on time is 0.06.
Each student does homework independently.
In a statistics class of 50 students, what is the probability that at least 5 will do their homework on time.
Probability = event occur/ total number of outcomes
= 5/50= 1/10=0.1
Thus the probability becomes 0.1
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Hey there! This is my last math question of the day! Please, do me a favor and help me out! Please remember I need an inequality for this answer! Thanks!
Answer:
150 ≥ 55+0.20t
A hockey season ticket holder pays $72.48 for her tickets plus $6.00 for a program each game. A secondperson pays $18.08 for a ticket to every game, but doesn't buy programs. In how many games will they havepaid the same amount?O 6O 5O 13O 4
Let x = the number of games. The problem can be rewritten as a system of equations:
Person 1 = 72.48 + 6x
Person 2 = 18.08x
We are looking for when the number of games for both are the same; so:
72.48 + 6x = 18.08x
Then:
72.48 = 18.08x - 6x
72.48 = 12.08x
x = 72.48/12.08
x = 6
find the taylor polynomials p1, ..., p4 centered at a0 for f(x).
The Taylor polynomials P1, P2, P3, and P4 centered at a0 for f(x) are given as:P1(x) = 1P2(x) = 1 - x²/2!P3(x) = 1 - x²/2! + x⁴/4!P4(x) = 1 - x²/2! + x⁴/4! - x⁶/6!
We will apply the Taylor's theorem formula, which is supplied as follows, to determine the Taylor polynomials P1, P2, P3, and P4 centred at a0 for f(x) in the given question:f'(a)(x-a)/1 = f(x) = f(a) + f'(a)! + f''(a)(x-a)²/2! + ... + fⁿ(a)(x-a)ⁿ/n!We have f(0) = 1f'(0) = 0f''(0) = -1f'''(0) = 0f4(0) = 1 for f(x) = cos(x) at x = 0.We can get the following polynomial expressions by using these values in the Taylor's theorem formula:P1(x) = 1P2(x) = 1 - x²/2!P3(x) = 1 - x²/2! + x⁴/4!P4(x) = 1 - x²/2! + x⁴/4! - x⁶/6!Consequently, the Taylor polynomials P1, P2, P3, and P4 for f(x) are provided as follows:P1(x) = 1P2(x) = 1 - x²/2!P3(x) = 1 - x²/2! + x⁴/4!P4(x) = 1 - x²/2! + x⁴/4! - x⁶/6!
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There were 900 freshwater fish at an aquarium. 212 fish are in the large tank 16 fish in each smaller tank. How many smaller tanks are there?
Answer:
∴ There are 43 smaller tanks.
Step-by-step explanation:
Total no. of fish in smaller tanks
= 900 - 212
= 688
No. of smaller tanks
= 688 ÷ 16
= 43
not every linearly independent set in set of real numbers r superscript ℝn is an orthogonal set. T/F?
The given statement is true.
Consider linearly independent vectors of \(R_{n}\)
Where n = 2
\(V = \[\begin{array}{ccc}4&\\2\end{array}\right]\)
\(U = \[\begin{array}{ccc}5&\\6\end{array}\right]\)
Now product of these vectors
UV = 4x5 + 2x6
= 32
Hence these vectors are not orthogonal.
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pleaseeee asapppppp asapppppp
Answer:
7.07
Step-by-step explanation:
Angle M is 63 degrees because all 3 angles must add to 180.
Now use the law of sines:
sin(90)/x = sin(63)/6.3
Cross multiply: 6.3 sin (90) = x sin (63)
Divide by sides by sin (63): (6.3 sin (90))/sin (63) = x
Use a calculator: 7.07
treating prostate disease a large study used records from canada’s national health care system to compare the effectiveness of two ways to treat prostate disease. the two treatments are traditional surgery and a new method that does not require surgery. the records described many patients whose doctors had chosen each method. the study found that patients treated by the new method were sig- nificantly more likely to die within 8 years.38
The cost and the patient's condition are other factors. For instance, a doctor might decide against suggesting surgery if a patient has very bad health because of the potential for additional difficulties. Then, we won't be able to tell if a higher death rate is a result of the therapy or the participants' pre-existing health.
What distinguishes surgical treatment from medicinal treatment? What distinguishes surgical procedures from nonsurgical ones?What Kinds of Practices Are Not Surgical?Any condition that necessitates a localised treatment, such as surgery or one of the many vascular procedures or radiation methods, is referred to as a surgical disease. A more comprehensive, pharmacological strategy to treat a medical issue is required.
"Non-surgical" treatments are also referred to as "non-invasive" procedures in the cosmetic industry. These techniques don't need cutting the skin or inserting tools into the body, in contrast to "invasive" surgical therapies.
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Find the value of x in the triangle shown below. 56, 4.5, 4, 4
Answer:
x = 68°
Step-by-step explanation:
This is an isosceles triangle, which means the two base angles will be the same. (56° and 56°)
All triangles angles must add up to 180, so if we take 180-56-56 we will find the missing angle (x).
180-56-56 = 68
x = 68°
Johnny has 6 times 3 bottles of Dawn dish soap, how much Dawn dish soap does he have? Why does he NEED that many Dawn dish soap.
Answer:
I was wondering the same thing! like what was Johnny using that much soap for....? btw I loI that video
Can somebody teach my how to find the length of the third side of a triangle?
Answer:
Step-by-step explanation:
formula 0.5 x base x height
Answer:
Remember the formula a^2+b^2=c^2
Step-by-step explanation:
This can be used on right triangles. Now your a and b represent the legs of a triangle and the c represents the hypotenuse(the longest side). If you had a leg that was 2 inches and a second leg that was 4 inches you would plug it into the equation so...
2^2+4^2=c^2
Now evaluate
2^2=4
4^4=16
so
4+16=c
20=c
Now take the square root of 20 which is approximately 4.47 or leave it as square root of 20
If you had one leg and a hypotenuse then plug in and solve like any other equation.
Hope this helps!
√27
A. 3√3
B. 6√7
Which one?
Answer:
√27 = A. 3√3
Step-by-step explanation:
Simplify the radical by breaking the radicand up into a product of known factors, assuming positive real numbers.
Exact Form:
3 √ 3
Solve for xxx. Enter the solutions from least to greatest. 3x^2 - 9x - 12 = 03x
2
−9x−12=0
The solutions to the equation 3x^2 - 9x - 12 = 0 are x = 4 and x = -1.
To solve the quadratic equation 3x^2 - 9x - 12 = 0, we can use the quadratic formula:
x = (-b ± √(b^2 - 4ac)) / (2a),
where a, b, and c are the coefficients of the quadratic equation.
In this case, a = 3, b = -9, and c = -12. Substituting these values into the quadratic formula, we have:
x = (-(-9) ± √((-9)^2 - 4 * 3 * (-12))) / (2 * 3)
= (9 ± √(81 + 144)) / 6
= (9 ± √(225)) / 6
= (9 ± 15) / 6.
We have two possible solutions:
For the positive root:
x = (9 + 15) / 6
= 24 / 6
= 4.
For the negative root:
x = (9 - 15) / 6
= -6 / 6
= -1.
The solutions to the equation 3x^2 - 9x - 12 = 0 are x = 4 and x = -1.
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Can someone help me on these questions for geometry sorry if the quality is bad.
Find the rate of change of y with respect to x if dy dx x²y-5+2 ln y = x³
The rate of change of y with respect to x is given by dy/dx = xy - (3/2)x²y.
To find the rate of change of y with respect to x, we need to differentiate the given equation. The rate of change can be determined by taking the derivative of both sides of the equation with respect to x.
First, let's differentiate each term separately using the rules of differentiation.
Differentiating x²y with respect to x gives us 2xy using the product rule.
To differentiate 5, we know that a constant has a derivative of 0.
Differentiating 2ln(y) with respect to x requires the chain rule. The derivative of ln(y) with respect to y is 1/y, and then we multiply by dy/dx. So, the derivative of 2ln(y) is 2/y * dy/dx.
Differentiating x³ gives us 3x² using the power rule.
Now, we can rewrite the equation with its derivatives:
2xy - 2/y * dy/dx = 3x²
To solve for dy/dx, we can isolate it on one side of the equation. Rearranging the equation, we get:
2xy = 2/y * dy/dx + 3x²
To isolate dy/dx, we move the term 2/y * dy/dx to the other side:
2xy - 2/y * dy/dx = 3x²
2xy = 2/y * dy/dx + 3x²
2/y * dy/dx = 2xy - 3x²
Now, we can solve for dy/dx by multiplying both sides by y/2:
dy/dx = (2xy - 3x²) * (y/2)
Simplifying further, we have:
dy/dx = xy - (3/2)x²y
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for the nine volumes of material (10, 20, 30, 40, 50, 60, 70, 80, and 90) used in the study. the standard deviation of the random errors
The standard deviation of the random errors from the given statement.
The given statement does not provide enough information to determine the standard deviation of the random errors. The standard deviation is a measure of the spread of a dataset, and to calculate it, we need to know the values of the dataset, the mean of the dataset, and the number of values in the dataset. The statement only provides the values in the dataset but does not give any information about the mean or the number of values. Therefore, we cannot determine the standard deviation of the random errors from the given statement.
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Manny invests $9,600 in an account that earns interest at an annual rate of 3% compounded monthly. What is the value of Manny's investment after 1 year?
The value of Manny's investment after 1 year is approximately $9,906.72.
How to find the value of Manny's investment after 1 year ?We can use the formula for compound interest to find the value of Manny's investment after 1 year:
A = P(1 + r/n)^(nt)
Where
A is the final amount P is the principal (the initial investment)r is the annual interest rate (as a decimal)n is the number of times the interest is compounded per yeart is the time in yearsIn this case, P = $9,600, r = 0.03 (since the annual rate is 3%), n = 12 (since the interest is compounded monthly), and t = 1 (since we want to find the value after 1 year). Substituting these values into the formula:
A = $9,600(1 + 0.03/12)^(12*1)
A = $9,600(1.0025)^12
A = $9,600(1.03145)
A = $9,906.72
Therefore, the value of Manny's investment after 1 year is approximately $9,906.72.
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Juma spent half of his july salary on school fees and two thirds of the remainder on food Calculate his July salary if he spent sh.3200 on food
The required salary of Juma in July month is sh.9600.
Given that,
he spent half of his July salary on school fees and two-thirds of the remainder on food.
he spent sh.3200 on food.
In mathematics, it deals with numbers of operations according to the statements.
In the question,
Let the slay of Juma in July be x,
Juma spent half of his July salary on school fees = x/2
two-thirds of the remainder on food = 2/3 * x/2 = x/3
he spent sh.3200 on food i.e.
x / 3 = 3200
x = 3200 * 3
x = 9600
Thus, the required salary of Juma in July month is sh.9600.
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A circular mirror has a diameter of 1.3m. Work out the circumference of the mirror.
Answer:
C≈4.08cm
Step-by-step explanation:
C=2πr=2·π·0.65≈4.08407
Need help please answer
Why can't theoretical probability predict on exact numbers of outcomes of a replacement
Answer:
Theoretical probability assumes that all outcomes are equally likely. When a replacement is involved, the probability of each outcome remains the same. Therefore, we cannot predict the exact number of outcomes that will occur, as each trial remains independent and the probability of each outcome remains the same.