All real numbers except 3
Explanations:The domain of a function are the independent values of the function for which it exists.
Given the function expressed as:
\(f(x)=\frac{13}{3-x}\)A rational function does not exist if the denominator is zero. For the given function, it tends to infinity when 3 - x = 0
3 - x = 0
x = 3
This shows that the function exists on all real number except 3. The domain of the function in interval form is expressed as:
\(Domain:(-\infty,3)U(3,\infty)\)for a given arithmetic sequence, the first term a1 is equal to 28 and the 93r term is equal to -432 find the value of the 33rd term a33
The 33rd term of the given Arithmetic progression will be -132.
What is an Arithmetic progression?
A series of numbers is called a "arithmetic progression" (AP) when any two subsequent numbers have a constant difference. Arithmetic Sequence is another name for it.
Given, first term= a1= 28
and, a93 = -432
we know that, a93 = -432
a + 92d = -432 (where d is the common difference)
28 + 92d = -432
92d = -432-28
= -460
d = -460/92 = -5.
Now, we can find the a33,
a33 = a + 32d
= 28 + (32× -5)
= 28-160
= -132.
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what is the equation of y=x^3 with the given transformations
Each transformation affects the shape and position of the graph. It is important to carefully consider the order of the transformations and their impact on the equation.
1. Horizontal Shift (c):
If there is a horizontal shift, the equation becomes y = (x - c)^3.
For example, if there is a shift of 2 units to the right, the equation would be y = (x - 2)^3.
2. Vertical Shift (d):
If there is a vertical shift, the equation becomes y = x^3 + d.
For example, if there is a shift of 3 units upwards, the equation would be y = x^3 + 3.
3. Vertical Stretch (a):
If there is a vertical stretch or compression, the equation becomes y = a * x^3.
For example, if there is a vertical stretch by a factor of 2, the equation would be y = 2 * x^3.
4. Reflection (along the x-axis):
If there is a reflection along the x-axis, the equation becomes y = -x^3.
This flips the graph of the original function upside down.
5. Reflection (along the y-axis):
If there is a reflection along the y-axis, the equation becomes y = (-x)^3.
This mirrors the graph of the original function.
6. Combined Transformations:
If there are multiple transformations, we can apply them in the order they are given. For example, if there is a vertical stretch by a factor of 2 and a horizontal shift of 3 units to the right, the equation would be y = 2 * (x - 3)^3.
Remember, each transformation affects the shape and position of the graph. It is important to carefully consider the order of the transformations and their impact on the equation.
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A rectangle has an area of 36 square units.
Which of the following could NOT be the
dimensions of the rectangle?
a) 4 inches by 8 inches
b) 2 inches by 18 inches
c) 3 inches by 12 inches
d) 9 inches by 4 inches
Answer:
9 inches and 4 inches
Answer:
Option A
Step-by-step explanation:
Given the following question:
\(A=w\times h\)
To find the answer we substitute the values of each option in till we find the answer that doesn't equal 36 square units, since the question already gives us the area of the rectangle.
Option A:
\(A=w\times h\)
\(A=4\times8\)
\(4\times8=32\)
\(=32\)
\(32 > 36\)
Your answer is option A or "4 inches by 8 inches."
Hope this helps.
If m A = 15° and m = 55°, then m =
30
85
25
The angle is measured as 30 degree.
What is Triangle Sum Theorem?The Triangle Sum Theorem states that the sum of the three angles in a triangle is equal to 180 degrees. This theorem can be used to find the measure of an angle in a triangle if the measures of the other two angles are known.
This can be determined by using the Triangle Sum Theorem, which states that the sum of the interior angles in any triangle is 180°.
Since m∠ A and m CD are given, we can find the measure of the third interior angle, m GE, by subtracting the given angles from 180°.
This gives us 180° - 15° - 55° = 110°.
Since the triangle is isosceles,
m GE =CE,
so m GE = 55° - 15° = 30°.
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The correct answer is 85° which can be derived by the rule of angles in a cyclic quadrilateral.
What is a cyclic quadrilateral?A cyclic quadrilateral is a four-sided shape in which each corner can be connected to the other three corners by a circle.
The sum of the interior angles in a cyclic quadrilateral is 360°.
Therefore,
m arc GE = 360° - (m angle A + m arc CD)
= 360° - (15° + 55°)
= 360° - 70°
= 290°.
Since the measure of each interior angle of a cyclic quadrilateral is less than 180°, and m arc GE = 290°, the measure of m arc GE must be split into two parts, i.e. a minor and a major angle, 85° and 205°.
Therefore, m arc GE = 85°.
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When using the Elimination
method for systems, you may
have to multiply the top or
bottom equation by a number to
create a
pair.
In order to apply the chi-square test of independence, we prefer to have:
a. at least 5 observed frequencies in each cell. b. not more than 5 observations in each cell.
c. at least 5 expected observations in each cell.
d. at least 5 percent of the observations in each cell.
At least 5 expected observations in each cell in order to apply the chi-square test of independence, we prefer to have at least 5 expected observations in each cell. The correct answer is c.
The chi-square test of independence is a statistical method used to determine whether two categorical variables are independent or associated with each other.
To apply this test, it is preferred to have at least 5 expected observations in each cell of the contingency table. The expected frequency is calculated based on the assumption of independence between the two variables.
If the expected frequency is less than 5 in any cell, the chi-square test may not be valid and alternative methods, such as Fisher's exact test, should be considered. Having a sufficient sample size can also improve the accuracy and reliability of the test results.
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Use the image to help you answer these question slides 2. Angles g and f are:
a) consecutive interior angles
b) alternate interior angles
c) vertical angles
d) corresponding angles
Answer:
alternate interior angles
Step-by-step explanation:
They are on alternate sides of the line and they are equal
3.02 x 10-1 =
A = 30.2
Answer:
3.02
x 10
-------
000
+302x
______
30.20
What is the value of xxx in the figure shown below?
Answer:
53°Step-by-step explanation:
in the dark I see two congruent triangles, so x = 53 °
What is the volume of a cone with a diameter of 30 feet and a height of 600 feet? Use 3.14 for tt
Answer:
the volume is about 1884
Step-by-step explanation:
v of cone= 1/3(pi)r^2h
diameter to radius is 30=5.477225575051661
so 1/3(3.14)5.477225575051661^2(60)
=1/3(3.14)30(60)
=1/3(5652)
=1884
hope this helps
What are independent variables and dependent variables when
conducting a research design to investigate the impact of a school
nutrition program on grade performance of students at high
school?
Independent variables are the factors that are manipulated or controlled by the researcher in a study. In the context of investigating the impact of a school nutrition program on grade performance of high school students, the independent variable would be the school nutrition program itself.
The researcher would design and implement the program, and this variable would be under their control.
Dependent variables, on the other hand, are the outcomes or variables that are measured in a study and are expected to change as a result of the independent variable. In this case, the dependent variable would be the grade performance of the students. The researcher would collect data on the grades of the students before and after the implementation of the nutrition program, and this would be the variable that is expected to be influenced by the independent variable.
In summary, the independent variable in this research design is the school nutrition program, while the dependent variable is the grade performance of the students. The researcher would manipulate the independent variable (implement the nutrition program) and then measure the dependent variable (student grades) to determine if there is an impact of the program on grade performance.
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The equation of line QR is x + 2y = 2. What is the equation of a line perpendicular to line QR in slope-intercept form that contains point (5, 6)?
The equation of the line perpendicular to line QR in slope-intercept form that contains point (5, 6) is y = 2x - 4.
What is slope?the slope of a line represents the amount of vertical change that occurs for a given horizontal change. It is often represented by the letter "m" and can be positive (indicating an upward slope) or negative (indicating a downward slope).
According to question:To find the equation of a line perpendicular to line QR, we need to find its slope. The slope of line QR can be found by putting it in slope-intercept form:
x + 2y = 2
2y = -x + 2
y = -(1/2)x + 1
So the slope of line QR is -1/2. The negative reciprocal of this slope, or 2, is the slope of any line that is perpendicular to QR.
We can now use point-slope form to find the equation of the line that passes through (5, 6) with a slope of 2:
y - 6 = 2(x - 5)
Simplifying, we get:
y - 6 = 2x - 10
y = 2x - 4
So the equation of the line perpendicular to line QR in slope-intercept form that contains point (5, 6) is y = 2x - 4.
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i = prt ; p = $2,000, r = 3%, and t = 2 yr.
Evaluate the expression using the given values.
Please and Thank you
The interest amount is $120 when given principal amount $2000, rate of interest per year is 3% and time period is 2 years.
Given that,
p = $2,000, r = 3%, and t = 2 yr.
We have to find the i when i=prt.
Here,
i is interest amount.
p is principal amount.
r is rate of interest per year.
t is time period.
So,
Formula for finding interest amount is
i=prt
So,
i=2000(3/100)(2)
i=20×3×2
i=120
Therefore, The interest amount is $120 when given principal amount $2000, rate of interest per year is 3% and time period is 2 years.
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Express the number 7.901×10 to the 12 hour in standard form to change his number to standard form move the decimal point how many places
Answer:
7.901. 10 '12'
Step-by-step explanation:
HELP ASAP!!!!!!!!!!!!!!!!!!!!
Answer:
0.36
Step-by-step explanation:
0.67 - 0.31 = B
B = 0.36
I hope this helps!
The length of a rectangle is 1yd more than twice the width and the area of a rectangle is 45y squared. Find the dimensions of the rectangle
Answer:(2x+1)x=45
x=4.5
4.5*2+1=10
Step-by-step explanation:
One of the legs of a right triangle measures 6 cm and its hypotenuse measures 9 cm. Find the measure of the other leg. If necessary, round to the nearest tenth.
Answer:
6.7 cm
Step-by-step explanation:
In a right-angled triangle, a ² + b ² = c ²
call the missing side b.
6² + b² = 9²
b² = 9² - 6²
= 81 - 36
= 45.
b = √45
= √(5 X 9)
= √5 X √9
= 3 √5
= 6.7 cm to nearest tenth
What is the equation of the quadratic graph with a focus of (6, 0) and a directrix of y = −10?
Answer:
x2 -12x - 20y = 64
4. Two consecutive even numbers are such that the sum of the larger number and three times the smaller number is 42. Find the two numbers.
Answer: The two numbers are 10 and 12.
Step-by-step explanation:
Let the two consecutive numbers are x and x +2.
As per given, we have
\((x+2)+3x=42\\\\\Rightarrow\ 4x+2=42\\\\\Rightarrow\ 4x=40\\\\\Rightarrow\ x=10\)
Smaller number = 10
Larger number = 10+2=12
Therefore, The two numbers are 10 and 12.
what is the position of the median where marks:18,27,32,40,46 and no. of students:2,3,10,9,5
Answer: 9, 9, 9, 10, 2
Step-by-step explanation:18/9 = 2 students
27/9 = 3 students
32/9 = 4 students
40/10 = 4 students
46/2 = 23 students
Convert to polar coordinates: (SQRT(3), -2)
the polar coordinates of the given coordinates are R = √7 and Tan θ = -2/√3.
What are coordinates?A pair of numbers called coordinates are used to locate a point or a form in a two-dimensional plane. The x-coordinate and the y-coordinate are two numbers that define a point's location on a 2D plane.
Given, coordinates: (√(3), -2)
To convert it into polar coordinates we need to find the magnitude:
magnitude "R²" = x² + y²
R² = 3 + 4
R = √7
Tan θ = y/x
Tan θ = -2/√3
Therefore, the polar coordinates of the given coordinates are R = √7 and Tan θ = -2/√3.
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in multiple regression analysis, the correlation among the independent variables is termed question 16 options: homoscedasticity linearity multicollinearity adjusted coefficient of determination
In multiple regression analysis, the correlation among the independent variables is termed multicollinearity.
Multicollinearity occurs when two or more independent variables in a regression model are highly correlated with each other.
This can cause problems in the regression analysis because it makes it difficult to identify the unique contribution of each independent variable to the dependent variable.
Multicollinearity can also lead to unstable regression coefficients, inflated standard errors, and inaccurate hypothesis tests.
Therefore, it is important to test for multicollinearity and to take appropriate steps to address it if it is found, such as removing one of the highly correlated variables or combining them into a single variable.
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6(2x²-5) = [?]
X = -3
Answer:
78
Step-by-step explanation:
Since x=-3
6(2×(-3)^2-5)
6(2×9-5)
6(18-5)
6×13=78
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find the area of the circle. use 3.14 for π. do not round answer
Radius = 14 : 2 = 7 in.
Area = 7 x 7 x 3.14 = 153.86 (in2)
Answer:
153.86 in²
Step-by-step explanation:
Before finding the area of the circle, first, let us find the radius.
d = 2r14 = 2r
Divide both sides by 2.
7 in = r
And now let us find the area of the circle.
Area = π r²= 3.14 × 7 × 7
= 21.98 × 7
= 153.86 in²
Please help me find the lengths!
The value of length OP is √65
The value of length PQ is √65
The value of length QR is √65
The value of length RO is √65
What is distance between two point ?Distance between two points is the length of the line segment that connects the two points in a plane.
The distance between two points is given as ;
d = √ (y2-y1)² + (x2-x1)²
The slope of a line = y2-y1)/x2-x1. This means the value of y2-y1 and x2-x1 have been calculated for each line.
Length OP = √ 4²+7²
= √ 16+49
= √ 65
length PQ = √8²+1²
= √ 64+1
= √65
length QR = √ 4²+7²
= √ 16+49
= √ 65
length RO = √8²+1²
= √ 64+1
= √65
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A charge ol −3.40nC is placed at the crigin of an x-cocrdinsle syztem, and a charge of 260nC is placed on the y axis al y−425rm. Ne thire charge, of 5.00LC, is now placed at the point is =2.95 cm,y=4.25 cm lind the x and z corrponents of the total force exarted on this charge by the offer two ctarges. Express answers numerically separated by a comma.- Part B Find the rragnoude of this force.
The x-component of the force acting on the third charge is -0.041 N and the y-component of the force acting on the third charge is -0.058 N. The magnitude of the force acting on the third charge is 0.071 N.
Given Data :Charge of the first charge, q₁ = -3.4nC
Charge of the second charge, q₂ = 260nC
Charge of the third charge, q₃ = 5.00L
Cordinates of the third charge, x₃ = 2.95 cm and y₃ = 4.25 cm
Now, we need to find the magnitude of the force acting on the third charge due to the first and second charges and also find the x and y components of the total force acting on it.
Electric force is a vector quantity that is a combination of the magnitude of the charge and the direction in which it is acting.
Electric force is expressed in terms of Coulombs, which is a measure of the electric charge. The Coulombs are defined as the number of electrons that are present in one unit of charge.
Coulombs are expressed in terms of their magnitudes, with positive charges indicating that the charge is repelling, and negative charges indicating that the charge is attracting.
The electric force is a vector quantity, which means that it has both a magnitude and a direction. In order to find the magnitude of the force, we need to calculate the sum of the electric forces acting on the third charge due to the first and second charges.
Now, we need to find the magnitude of the force acting on the third charge due to the first and second charges and also find the x and y components of the total force acting on it.
From the diagram above, we can see that the distance between the first charge and the third charge is r₁ = x and the distance between the second charge and the third charge is r₂ = y - 4.25 cm.
Therefore, the magnitude of the electric force acting on the third charge due to the first charge is given by
F₁₃ = k * q₁ * q₃ / r₁² where k is Coulomb's constant which is equal to 9.0 × 10⁹ N · m²/C² and q₁, q₃ are the charges of the first and third charges respectively.
Thus, the magnitude of the force acting on the third charge due to the first charge is given by:
F₁₃ = (9.0 × 10⁹ N · m²/C²) * (-3.4 × 10⁻⁹ C) * (5.00 C) / (2.95 × 10⁻² m)²
F₁₃ = -0.071 N
Now, we can find the x and y components of the total force acting on the third charge as:
Fx = F₁₃ * cosθ where θ is the angle between the force F and the x-axis.
Thus,θ = tan⁻¹(y / x)
θ = tan⁻¹(4.25 cm / 2.95 cm)
θ = 53.5°
Therefore, the x-component of the force acting on the third charge is given by:
Fx = (-0.071 N) * cos(53.5°)
Fx = -0.041 N
Similarly, we can find the y-component of the force acting on the third charge as:
Fy = F₁₃ * sinθ where θ is the angle between the force F and the x-axis.
Therefore, the y-component of the force acting on the third charge is given by:
Fy = (-0.071 N) * sin(53.5°)
Fy = -0.058 N
Thus, the x and y components of the total force acting on the third charge are -0.041 N and -0.058 N respectively. Therefore, the magnitude of the force is given by:
F = sqrt(Fx² + Fy²)F = sqrt((-0.041 N)² + (-0.058 N)²)
F = 0.071 N
The x-component of the force acting on the third charge is -0.041 N and the y-component of the force acting on the third charge is -0.058 N. The magnitude of the force acting on the third charge is 0.071 N.
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What is the solution to the inequality x2 > –9x – 18?
Answer:
x > -3
x > -6
Step-by-step explanation:
x² > -9x - 18
x² + 9x + 18 > 0
(x + 3)(x + 6) > 0
x > -3
x > -6
You have a jar containing 10,000 equal-sized and -weighted jelly beans. 6,000 of the jelly beans in the jar are red and 4,000 of the jelly beans in the jar are blue. You shake up the jar, close your eyes, and pull out 600 jelly beans. With 95% confidence, you predict that the percentage of blue jelly beans in your sample will be within what range?which of the following is the correct answerA. (38%, 42%)B. (56%, 64%)C. (58%, 62%)D. (36%, 44%)
With 95% confidence, the blue jelly beans in your sample will be within what range of 58% to 62%. The correct answer is C. (58%, 62%).
To determine the range for the percentage of blue jelly beans in the sample with 95% confidence, we can use the formula for a confidence interval for a proportion:
p ± zsqrt((p(1-p))/n)
where p is the sample proportion, z is the critical value for the desired confidence level (95% in this case), and n is the sample size.
First, we need to calculate the sample proportion of blue jelly beans:
p = 4000/6000 = 0.667
Next, we need to find the critical value of z for a 95% confidence level. Since we have a large sample size (n = 600), we can use a normal distribution and the z-score for a 95% confidence level is 1.96.
Now, we can substitute the values into the formula:
0.667 ± 1.96sqrt((0.667(1-0.667))/600) = (0.583, 0.62)
Therefore, with 95% confidence, we predict that the percentage of blue jelly beans in the sample will be within the range of 58.3% to 62%.
So the correct answer is C. (58%, 62%).
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In a race, the probability that John wins is 0.3, the probability that Paul wins is 0.2 and the probability that Sarah wins is 0.4. Assume that only one person can win the race. Find the probability that: a) John or Sarah wins. b) Neither John nor Paul wins.
Therefore, the probability that neither John nor Paul wins the race is 0.5.
a) To find the probability that John or Sarah wins, we can add their individual probabilities of winning:
P(John or Sarah) = P(John) + P(Sarah) = 0.3 + 0.4 = 0.7
Therefore, the probability that John or Sarah wins the race is 0.7.
b) To find the probability that neither John nor Paul wins, we need to find the complement of the event that either John or Paul wins. The complement of an event A is the probability of A not occurring.
P(Neither John nor Paul wins) = 1 - P(John or Paul) = 1 - (P(John) + P(Paul)) = 1 - (0.3 + 0.2) = 1 - 0.5 = 0.5
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Tyler and bethany have 240 feet of fencing with which to build a garden. tyler wants the garden to be in the shape of a square, while bethany wants it to be rectangular with a length of 50 feet and a width of 70 feet. which design would give the maximum area for the garden? explain. bethany’s design would give the larger garden because the area would be 3,500 ft2. tyler’s design would give the larger garden because the area would be 3,600 ft2. bethany’s and tyler’s designs would give a garden with the same area. bethany’s and tyler’s designs are not possible with the given amount of fencing.
Tyler’s design would give the larger garden because the area would be 3,500 ft²
The total area of fencing = 240 feet
Desired length = 50 feet
Desired Width = 70 feet
Calculating the perimeter of the square -
240 = 4a
a =240/4
a = 60
Calculating the area of the square mentioned -
= a²
= 60²
= 3600
Therefore, the area in Tyler’s design is 3600 ft²
As Bethany wants a rectangular garden with a length of 50 feet and a width of 70 feet. Calculating the area of the rectangular garden-
A = l x w
A = 70 x 50
= 3500
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