The coupon rate for this Pacific Bell bond is 6%, and the maturity date is in 2034. So, the correct option is B: The coupon rate is 6%, and the maturity date is 2034.
The information provided in the bond listing can be interpreted as follows:
Bond issuer: Pacific Bell
Coupon rate: 6.55
Maturity date: 2034
Volume: 511
Closing price: 99-4
Net change: 8
Therefore, the correct answer is: The coupon rate is 6.55 and the maturity date is 2034.
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both methods requires two initial guesses x1 and x2, and it is necessary that f(x1)*f(x2) < 0
The requirement f(x1) * f(x2) < 0 for choosing initial guesses x1 and x2 with opposite signs ensures the validity and convergence of certain numerical root-finding methods such as the bisection method or the regula falsi method.
The statement you provided is true for certain numerical methods used to find roots of equations, such as the bisection method or the regula falsi method. These methods are iterative and require an initial interval or range where the root is expected to be found. To ensure convergence and a valid solution, it is necessary to choose initial guesses x1 and x2 such that the function f(x) evaluated at those points have opposite signs, i.e., f(x1) * f(x2) < 0.
The rationale behind this requirement is based on the Intermediate Value Theorem, which states that if a continuous function f(x) changes sign over an interval [x1, x2], then there exists at least one root within that interval. By ensuring that f(x1) and f(x2) have opposite signs, we guarantee the existence of a root within the interval [x1, x2].
The bisection method works by repeatedly bisecting the interval and selecting a new subinterval that contains the root. At each iteration, the method narrows down the interval by halving it, based on the sign change observed in the function evaluations.
Similarly, the regula falsi (or false position) method also operates by iteratively refining the interval based on the linear interpolation between the function values at the endpoints. The method adjusts the interval based on the sign change of the function, converging to the root.
Both methods rely on the property of opposite signs to guarantee convergence and avoid getting stuck in a non-converging or incorrect solution. If the initial guesses do not satisfy the condition f(x1) * f(x2) < 0, it is possible that the method fails to converge or converges to a different root or solution.
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A holiday store is having a sale on bows and rolls of wrapping paper. One sign in the store states, "Buy 1 bow and 1 roll of wrapping paper for only $6.00." A second sign in the store states, "5 bows and 1 roll of wrapping paper will only cost $10.00."
Answer:
A holiday store is having a sale on bows and rolls of wrapping paper. One sign in the store states, "Buy 1 bow and 1 roll of wrapping paper for only $6.00." A second sign in the store states, "5 bows and 1 roll of wrapping paper will only cost $10.00."
Sequences.
64,32,16,8,4,___, ___ what are the next two numbers?
and what is the rule?
Answer:
2, 1
Step-by-step explanation:
half of 64 is 32
half of 32 is 16
half of 16 is 8
half of 8 is 4
half of 4 is 2
half of 2 is 1
Answer:
2, 1
Step-by-step explanation:
you are dividing it in half or by two
Identify the surface area of the prism formed by the net.
16 ft
5 ft
5 ft
538 ft2
288 ft²
588 ft²
240 ft²
16 ft
5 ft
9 ft
16 ft
The surface area of the prism formed by the net is 538 square feet
What is the surface area of the figure?From the question, we have the following parameters that can be used in our computation:
Net of a prism
The surface area of the figure is calculated as
Area = sum of individual areas of shapes that make up the prism
Using the above as a guide, we have the following:
Area = (16 + 5 + 16 + 5) * 9 + (5 + 5) * 16
Evaluate the sum of products
Area = 538
Hence, the area is 538 square feet
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To identify the surface area of the prism formed by the given net, we need to first recognize the shape of the prism and then calculate the surface area of each face to add them up to get the total surface area of the prism.The given net of the prism is shown below:
We can observe that the given net represents a right rectangular prism with dimensions 5 ft, 8 ft, and 16 ft. Now, to find the surface area of this prism, we need to calculate the area of each face and add them up. The surface area of a rectangular prism can be given by the formula 2lw + 2lh + 2wh, where l, w, and h are the dimensions of the prism.Let's find the area of each face and add them up to get the surface area of the prism .Area of the top and bottom faces:Length of the rectangle = 16 ft
Width of the rectangle = 5 ft
Area of one face = lw = 16 × 5 = 80 ft²
Area of both faces = 2 × 80 = 160 ft²Area of the side faces:
Length of the rectangle = 16 ft Height of the
rectangle = 8 ftArea of one face = lh = 16 × 8 = 128 ft²
Area of both faces = 2 × 128 = 256 ft²
Area of the front and back faces:Width of the rectangle = 5 ft Height of the
rectangle = 8 ft
Area of one face = wh = 5 × 8 = 40 ft²Area of both
faces = 2 × 40 = 80 ft²
Total surface area of the prism = Area of top and bottom faces + Area of side faces + Area of front and back
faces= 160 + 256 + 80= 496 square feet
Therefore, the surface area of the prism formed by the given net is 496 ft².
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the weight of cans of fruit is normally distributed with a mean of 1,000 grams and a standard deviation of 50 grams. what percent of the cans weigh 860 grams or less? 0.0100 0.0026 0.8400 0.0001
The percent of cans that weigh 860 grams or less is equal to the area under the normal distribution curve from -∞ to -2, which is 0.0026.
The percent of cans that weigh 860 grams or less is 0.0026. This can be calculated using the formula for the z-score of a particular value, which is given by (x-μ)/σ, where x is the value, μ is the mean, and σ is the standard deviation. In this case, the z-score is (860-1000)/50, which equals -2. Therefore, the percent of cans that weigh 860 grams or less is equal to the area under the normal distribution curve from -∞ to -2, which is 0.0026.
The formula for calculating the percentage of cans with a weight of 860 grams or less is P(X ≤ 860) = P(Z ≤ (860 - 1000)/50) = P(Z ≤ -2.4).
To calculate the percentage, we need to use the standard normal table. According to the table, P(Z ≤ -2.4) = 0.0026. This means that 0.0026 or 0.26% of the cans weigh 860 grams or less.
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Can someone help me with this question please !!! Danica is saving money to buy a used car in six months. She needs to save $1500 for a down payment in order to be able to finance the rest. She gets paid $180 per week at her part-time job. How much money will she need to save out of every weekly paycheck to reach her savings goal of $1500 in six months? Show the calculations:
Answer:
She will have to work at least 83 times.
Step-by-step explanation:
Divide 1,500 by 180 and then to check answer multiply 180 with 83.
Based on the national food survey called What We Eat in America, about 75% of the United States population has an eating pattern that is low in which of the following?
Fruits
Answer: Fruits
Step-by-step explanation:
Fruits!
About 75% of the United States population has an eating pattern that is low in fruits.
What is percent?A percent(%) is a relative figure that represents the hundredth part of any amount. One percent (symbolized 1%) is one hundredth part; consequently, 100 percent denotes the complete amount and 200 percent defines twice the supplied amount. percentage. Mathematics percentile is a related topic. A percentage is a fraction of a whole represented as a number between 0 and 100. Nothing is zero percent, everything is 100 percent, half of everything is fifty percent, and nothing is zero percent. To calculate a percentage, divide the share of the total by the total and multiply by 100.
Here,
Approximately 75% of the US population has a low-fruit eating trend.
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What is the surface area of the triangular prism?
A. 175cm^2
B. 196cm^2
C. 216cm^2
D. 222cm^2
Answer:
A≈228.33
Step-by-step explanation:
The graph of f(x) = 3x² 18x + 14 is shown. Use the graph of f(x) to complete the question. Complete the table to describe where the function is negative
The function is negative at the following interval:
As an interval, we have: (0.92, 5.08)As an inequality, we have 0.92 < x < 5.08As a set builder, we have: {x : R |0.92 < x < 5.08}How to determine where the function is negativeThe function is given as:
f(x) = 3x² 18x + 14
Rewrite the function properly as follows:
f(x) = 3x² - 18x + 14
Next, we plot the graph of the function
From the graph, the function is negative at the interval
x= 0.92 to x = 5.08
As an interval, we have:
(0.92, 5.08)
As an inequality, we have
0.92 < x < 5.08
As a set builder, we have:
{x : R |0.92 < x < 5.08}
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i'll mark brainiest
There are 45 tiles in a bag. Of these, 15 are purple, and the rest are yellow. In simplest form, what are the odds in favor of drawing a yellow tile?
A.2:3
B.1:3
C.2:1
D.1:2
Step-by-step explanation:
Number of Yellow tiles = 45 - 15 = 30.
Odds of picking a Yellow tile = Yellow/Total = 30/45 = 2/3. (A)
The odds in favor of drawing a yellow tile is 2:3.
What is Ratio?A ratio is a quantitative relationship between two amounts, showing the number of times one value contains or is contained within the other. It is expressed as a comparison of the two values using a colon (:) or as a fraction.
There are 45-15=30 yellow tiles in the bag.
The odds in favor of drawing a yellow tile are the ratio of the number of yellow tiles to the total number of tiles.
So, the odds in favor of drawing a yellow tile are
30:45, which can be simplified by dividing both by 15 to get 2:3.
Thus, the odds in favor of drawing a yellow tile is 2:3.
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Jennifer has 36 DVDs.
This number of DVDs is 80% more than
the number she had last month.
How many DVDs did Jennifer have last
month?
Answer:
20
Step-by-step explanation:
36 DVDs is 180%.
36 divided by 180 is 0.2.
Multiply 0.2 by 100 to get how many DVD's she had last month...
0.2 x 100 = 20
vector. Write your answer in (a) component form and (b) as a linear combination of the standard unit vectors i and j. 26. u = (-3, 2).
the answer for vector is u = -3i + 2j.
To express the vector u = (-3, 2) in component form and as a linear combination of the standard unit vectors i and j, follow these steps:
Identify the given vector
The given vector u is (-3, 2).
Express the vector in component form
The vector is already in component form, as it is represented by a pair of coordinates, (-3, 2). So, the answer for (a) is u = (-3, 2).
Express the vector as a linear combination of i and j
To represent the vector u as a linear combination of the standard unit vectors i and j, we simply multiply each component of the vector by the corresponding unit vector and sum the results. In this case, the unit vector i represents the x-component and the unit vector j represents the y-component.
So, the linear combination of u can be expressed as:
u = (-3)i + (2)j
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in exercises 1 and 2 rewrite the expression in rational exponent form
Rewrite expression in rational exponent form
\(a) \: \: \: \: \sqrt[5]{ (- 53) ^{4} } \\ b) \: \: \: \: \: \: \sqrt[4]{(110) {}^{7} } \)
the rational exponent form :
a)
\( { - 53}^{ \frac{4}{5} } \)
b)
\(110 { }^{ \frac{7}{4} } \)
About Exponential numberExponential numbers are a form of mathematical abbreviation that allow us to write complex mathematical expressions more succinctly. An exponential number is a number that is repeatedly multiplied by itself.
Exponential is written with numbers and letters to the right of certain mathematical expressions called bases. While exponential numbers are often also called powers. Properties of exponential numbers
Exponential numbers have their own special properties as follows:
a¹ =a mathematical expression with an exponential of 1 or to the power of one, the result is always a mathematical expression itself. Example: 2¹ = 2, 67¹=67, and 700¹=700. aº=1 , when the exponent is zero, then regardless of the number, the expression will always equal one. Example: 2º=1 In addition to one and zero exponentials which are often referred to as powers of one and powers of zero, the following are the properties of exponentials in multiplication, division, multiple powers, as well as exponential fractions:Learn more about exponent at
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Determine all values of h and f for which the system x + 3y = h and -4x + ky = -9 has no solution.
For any price of h and k = -12, the system x + 3y = h and -4x + ky = -9 will haven't any answer.
To determine the values of h and okay for which the device of equations has no answer, we want to locate the situations underneath which the equations are inconsistent or parallel.
The given system of equations is:
Equation 1: x + 3y = h
Equation 2: -4x + ky = -9
For the gadget to haven't any answer, the lines represented with the aid of these equations should be parallel and in no way intersect. In different phrases, the slopes of the traces need to be equal, but the y-intercepts should be specific.
Let's first discover the slopes of the traces. The slope-intercept form of Equation 1 is y = (-1/3)x + (h/3), wherein the slope is -1/3. The slope-intercept shape of Equation 2 is y = (4/k)x - (9/k), wherein the slope is 4/k.
For the strains to be parallel, the slopes should be equal. Therefore, we have the condition: -1/3 = 4/k.
To locate the values of h and okay for which the gadget has no answer, we need to locate the values of h that satisfy the situation -1/3 = 4/k.
Solving this equation for ok, we've got:
-1/3 = 4/k
-1 = 12/k
k = -12
Substituting k = -12 returned into the equation -1/3 = 4/k, we've:
-1/3 = 4/(-12)
-1/3 = -1/3
Since the equation holds real for any value of h, there aren't any restrictions at the price of h.
Therefore, for any price of h and k = -12, the system x + 3y = h and -4x + ky = -9 will haven't any answer.
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The system of equations has no solution when k is equal to 12. The value of h can be any real number.
To determine the values of h and f for which the system has no solution, we need to analyze the coefficients of the variables and the constants in the equations.
The given system of equations is:
x + 3y = h
-4x + ky = -9
We can rewrite the second equation as:
-4x + ky = -9
Dividing both sides of the equation by -4, we get:
x - (k/4)y = 9/4
Comparing the coefficients of x and y in the two equations, we can see that the slopes of the lines represented by the equations are different when k is not equal to 12.
Therefore, for the system to have no solution, k must be equal to 12.
As for the value of h, it can be any real number since it does not affect the slopes of the lines.
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1. What's the product of 3 2/3 and 14 2/5?
The base of a solid S is the region enclosed by the graph of y=√ln(x), x=e, y=0. If the cross section of S perpendicular to the x-axis are squares, determine the volume V, of S.1) 1 cu. units.2) 13(e3−1) cu. units.3) 12 cu.units.4) 23 cu.units.5) 2(e3−1) cu.units.
The volume V of solid S is e - 1 cubic unit.
What is Volume?
Volume refers to the measure of three-dimensional space occupied by an object or a region. It quantifies the amount of space enclosed by the boundaries of an object or contained within a given region. In mathematical terms, volume is often calculated by integrating the cross-sectional areas of the object or region along a particular axis. Volume is typically expressed in cubic units, such as cubic meters (m^3) or cubic centimeters (cm^3). It is an essential concept in geometry, physics, engineering, and other scientific fields where the measurement of three-dimensional space is involved.
To find the volume of solid S, we need to integrate the areas of the cross sections perpendicular to the x-axis along the interval \([e, \infty).\)
The area of each square cross-section is equal to the square of the side length, which in this case is \(y = \sqrt{\ln(x)}.\)
Therefore, the volume V of solid S can be calculated as:
\(V = \int_{e}^{\infty} (\sqrt{\ln(x)})^2 dx\)
To evaluate this integral, we can simplify the expression:
\(V = \int_{e}^{\infty} \ln(x) dx\)
Using integration by parts, we let \(u = \ln(x)\)and dv = dx:
\(du = \frac{1}{x} dx\\v = x\)
Applying the integration by parts formula:
\(V = [uv] - \int v du= [x \ln(x)] - \int x \left(\frac{1}{x}\right) dx= x \ln(x) - \int dx= x \ln(x) - x + C\)
Evaluating the definite integral:
\(V = [x \ln(x) - x]_{e}^{\infty}= (\infty \cdot \ln(\infty) - \infty) - (e \cdot \ln(e) - e)= \infty - 0 - (1 - e)= e - 1\)
Therefore, the volume V of solid S is e - 1 cubic unit.
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Evaluate f(t)=-2t2+ 1 for f(-3).
Answer:
7
Step-by-step explanation:
First, plug-in f(-3) into t in the function:
\(f(-3)=-2(-3) +1\)
Second, multiply -2 and -3 to get 6:
\(f(-3)=-2(-3)+1\)⇒\(f(-3)=6+1\)
Third, add 6 and 1 to get your answer:
\(f(-3)= 6+1\)⇒\(f(-3)=7\)
What would be the degree of financial leverage for Foggy Futures Weather Forecasters if the company has earnings before interest and taxes of $750,000, has a 4. 5% loan on $1,000,000, and is in the 38% tax bracket? The firm does not have any preferred stock outstanding. A. 1. 22 b. 0. 97 c. 1. 06 d. 1. 78
The degree of financial leverage for Foggy Futures Weather Forecasters
is 1.06
Degree of Financial leverage (DFL) = (EBIT) / (EBT)
Earnings Before Interest and Taxes (EBIT) = $750,000
Amount to be given as loan on $1000000
$1,000,000 x 4.5% = $1,000,000 x 4.5/100
= $45000
To find EBT ( Earnings Before Tax),
EBT = EBIT - 45000
= 750000 - 45000
EBT = 705000
∴ DFL = (EBIT) / (EBT)
= 750000/705000
DFL = 1.06
The DFL is a percentage that accountants and financial professionals use to show changes in a company's net income due to changes in its profits before interest and taxes (EBIT).
Earnings before interest and taxes (EBIT) is a measurement of a company's profit in accounting and finance that takes into account all revenues and costs (both operating and non-operating), with the exception of interest costs and income tax costs.ve
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which point satisfies the inequality 2x + y > 10
- (2,3)
- (3,2)
- (4,3)
- (3,4)
To check which point satisfies the inequality 2x + y > 10, we substitute each value of x and y in the equation.
A. 2(2) + 3 > 10
7 > 10
This is incorrect. So the point does not satisfy the expression.
B. 2(3) + 2 > 10
8 > 10
This is also incorrect.
C. 2(4) + 3 >10
11 > 10
This is correct since 11 is greater than 10. So point (4,3) satisfies the inequality.
D. 2(3) + 4 > 10
10 > 10
This is also incorrect.
What is inequality?
Inequality is a mathematical statement that shows two expressions are not equal to each other.The occurrence of an unfair and/or uneven distribution of opportunities and resources among the people that make up a society is referred to as inequality. To different individuals and in various settings, the word "inequality" may indicate different things.An inequality compares two values showing if one is greater than or less than or not equal to the other.To learn more about inequality, visit: https://brainly.com/question/19003099
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Use class intervals 10- <20, 20- <30, ... to construct a histogram of the original data. Use intervals 1.1- <1.2, 1.2- <1.3, ... to do the same for the transformed data. What is the effect of the transformation?
The transformation affects the range of values, and the class intervals remain the same.
About class intervalThe class intervals 10- <20, 20- <30, etc. are used to construct a histogram of the original data.
Similarly, the intervals 1.1- <1.2, 1.2- <1.3, etc. are used to construct a histogram of the transformed data. The effect of the transformation is that it changes the shape of the histogram.
Specifically, the histogram of the transformed data will generally be more condensed, or squashed together, than the original data.
This is because the transformation affects the range of values, and the class intervals remain the same.
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write solution of the equation 5/x =2
Answer:
5/2
Step-by-step explanation:
→ 5/x = 2
→ 5 = 2x
→ 5/2 = x ★
Answer:
x= 10
Step-by-step explanation:
×=5 × 2= 10
Answer. x=10
round 4.30132 to the nearest thousandth
Answer:
4.301
Step-by-step explanation:
Which of the following equations is equivalent to S= str??
f
h=S- r2
S
he
มว
h%3D
for 2
S
n=S+ 3712
Answer:
f the external load system consists of a set of concentrated loads F. and concentrated moments M,, in addition to ', and X,, the following six equations must be satisfied =0 j(Ds(!S +J Adv.+ r (2.64) fdS+fxzdv+ P=0 4 f (1 y-(D,z)dS+f(Xy - XX,z)dV+EM,.=0 s f (9)xz - (I2x) c1S + J(Xsz - XEx) dV + =0 (2.65) J((nx-(x),)dS+f(Xx-Xxy)dV+EM2=0 x
Step-by-step explanation:
Pls. Help find these answers?!
Answer:
12
Step-by-step explanation:
Answer:
1) 12 boxes
2) 3, 6, 12
3) 12
4) 110 degrees
Step-by-step explanation:
1) Count the rectangles. Multiply the length of the rectangle in boxes to the width of rectangle in boxes.
Length: 4 boxes
Width: 3 boxes
4 x 3 = 12
12 boxes
2)
10% of 30 is 0.1 times 30.
0.1 x 30 = 30/10 = 3
20% of 30 is 0.2 times 20.
0.2 x 30 = 30/5 = 6
40% of 30 is 0.4 times 20.
0.4 x 30 = 30/2.5 = 12
3) Count the cubes. Reminder there are 2 boxes you cannot see.
Top Layer: 2
Middle Layer: 4
Back Bottom Layer: 4
Front Bottom Layer: 2
2 + 4 + 4 + 2 = 12
4) I cannot see the semicircle clearly, but I do know that a circle is 360 degrees. A semicircle, half of a circle, is 180 degrees.
180/18 (The angle of each section)
10
11 Sections
10 x 11 = 110
Solve for x.
x2 + 4x - 21 = 0
A.) -3,-7
B.) -3,7
C.) 3,-7
D.) 3,7
Answer:
x=3 or x= −7
Step-by-step explanation:
Answer:
C) 3,-7
Step-by-step explanation:
x² + 4x - 21 = 0 (Given)
(x+7)(x-3) = 0 (Factor)
x+7 = 0 and x-3 = 0 (Zero Product Property)
x = -7 and x = 3 (Final Solutions)
Therefore, C is correct
Which of the equations below represents a line perpendicular to the y-axis?
O A.
y= 6x
B. y= -6
C.
x = 6
D.
y=x
Answer:
B. y = -6
Step-by-step explanation:
You can graph each line to see which one is horizontal since the y-axis is vertical. This would make the lines perpendicular since when a vertical and horizontal line meet, they form a 90-degree angle, which is by definition what perpendicular means.
Answer:
i think that the answer is b. y=-6
1. You plan to construct a confidence interval for the mean\muμ of a Normal population with unknown population standard deviationand you plan on taking a random sample of 100 individuals. Which of the following will reduce the size of the margin of error?
a. Use a lower level of confidence.
b. Decreasing the sample size to 50.
c. Using z-methods instead of t-methods
d. convert the data into catigorical values instead of quantitiative values.
2. A news organization previously stated that 75% people believed that the state of the economy was the country’s most significant concern. They would like to test the new data against this prior belief to see if the proportion of people with this belief is different than 75%. The most appropriate hypotheses are
a. H0: p = 0.65, Ha: p > 0.65.
b. H0: p = 0.65, Ha: p < 0.65.
c. H0: p = 0.75, Ha: p > 0.75.
d. H0: p = 0.75, Ha: p ≠ 0.75.
For constructing a confidence interval for the mean of a Normal population with unknown population standard deviation, taking a larger sample size would reduce the margin of error.
However, if increasing the sample size is not feasible, then using a lower level of confidence can also reduce the margin of error.
This is because a lower level of confidence requires a smaller critical value, resulting in a narrower confidence interval, and thus a smaller margin of error.
Using z-methods instead of t-methods or converting data into categorical values will not necessarily reduce the margin of error.
Hypothesis testing is a statistical method used to determine whether there is enough evidence to reject or fail to reject a null hypothesis (H0).
In this case, the null hypothesis is that the proportion of people who believe that the state of the economy is the country’s most significant concern is equal to 75%.
Since we are testing for a difference in proportion in either direction, the appropriate alternative hypothesis is Ha: p ≠ 0.75.
This is a two-tailed test, which means we are interested in deviations from 75% in both directions.
Option (a) and (b) are incorrect because they only consider one tail of the distribution. Option (c) is incorrect because it tests for a difference only in one direction (greater than).
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What is Factorise 3x+12
Answer:
3 (x + 4)
Step-by-step explanation:
3x = 3 × x
12 = 3 × 4
3x + 12
Take 3 common,
3 (x + 4)
Hence, factorised.
Solve x+4/4 = x/x-2
Answer:
After solving the equation \(\frac{x+4}{4}=\frac{x}{x-2}\) we get x=-2 and x= 4 i.e {-2,4}.
Option B is correct.
Step-by-step explanation:
We need to solve \(\frac{x+4}{4}=\frac{x}{x-2}\)
Solving:
\(\frac{x+4}{4}=\frac{x}{x-2}\)
Cross multiply
\((x-2)(x+4)=x*4\)
Multiplying:
\(x(x+4)-2(x+4)=4x\\x^2+4x-2x-8=4x\\x^2+2x-8-4x=0\\x^2-2x-8=0\)
Now, we have got quadratic equation \(x^2-2x-8=0\)
Solving this quadratic equation using quadratic formula
\(x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}\\\)
We have a=1, b=-2 and c=-8 Putting values
\(x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}\\x=\frac{-(-2)\pm\sqrt{(-2)^2-4(1)(-8)}}{2(1)}\\x=\frac{2\pm\sqrt{4+32}}{2}\\x=\frac{2\pm\sqrt{36}}{2}\\x=\frac{2\pm6}{2}\\x=\frac{2+6}{2} \ or \ x=\frac{2-6}{2}\\x=\frac{8}{2} \ or \ x=\frac{-4}{2}\\x=4 \ or \ x=-2\)
So,after solving the equation \(\frac{x+4}{4}=\frac{x}{x-2}\) we get x=-2 and x= 4 i.e {-2,4}.
Option B is correct.
find all solutions of the equation cos x sin x − 2 cos x = 0 . the answer is a b k π where k is any integer and 0 < a < π ,
Therefore, the only solutions within the given interval are the values of x for which cos(x) = 0, namely \(x = (2k + 1)\pi/2,\) where k is any integer, and 0 < a < π.
To find all solutions of the equation cos(x)sin(x) - 2cos(x) = 0, we can factor out the common term cos(x) from the left-hand side:
cos(x)(sin(x) - 2) = 0
Now, we have two possibilities for the equation to be satisfied:
cos(x) = 0In this case, x can take values of the form x = (2k + 1)π/2, where k is any integer.
sin(x) - 2 = 0 Solving this equation for sin(x), we get sin(x) = 2. However, there are no solutions to this equation within the interval 0 < a < π, as the range of sin(x) is -1 to 1.
For such more question on integer
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