Step-by-step explanation:
13.) option d. side side angel ( as it has 2 sides and 1 angle )
14. ) cosine
16 ) formula of law of cosine
c = √a² + b² - 2ab • cos c
c = √31² + 35² - 2 • 31 • 35 • cos (48°)
c = 27.09
hope this answer helps you dear
Hurry please I need it fast
Answer:
nonlinear
Step-by-step explanation:
the function is quadratic, so it is nonlinear. (linear functions are of degree 1 polynomials, this is of degree 2)
in a curvilinear regression model, the ________ represents the curvilinear effect.
In a curvilinear regression model, the squared term of the predictor variable represents the curvilinear effect.
In a curvilinear regression model, the relationship between the predictor variable and the response variable is not linear but exhibits a curvilinear pattern. To capture this non-linear relationship, the model includes a squared term of the predictor variable.
The squared term of the predictor variable allows the regression model to account for both the linear and curvilinear components of the relationship.
It introduces a curvilinear effect by capturing the curvature or non-linear pattern observed in the data. This squared term enables the model to better fit the data points that deviate from a simple linear relationship.
By including the squared term in the curvilinear regression model, the relationship between the predictor and response variables can be characterized by a more flexible curve, allowing for a better representation of the underlying relationship
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12.6 Z Scores.!! PLEASE HELP
Assume that the following equations characterize a large open economy: (1) Y = 5,000 (2) Y = C + I + G + NX (3) C = 1/2 (Y – T) (4) I = 2,000 – 100r (5) NX = 500 – 500€ (6) CF =-100r (7) CF = NX (8) G= 1,500 (9) T = 1,000 where NX is net exports, CF is net capital outflow, and e is the real exchange rate. Solve these equations for the equilibrium values of C,1,NX, CF,r, and ε. (Hint: You can reduce the total number of equations to two through repeated substitutions. These two equations will be functions of r and ε. Check your work by seeing that all of these equations balance, given your answers.)
We have derived the following equations:
(10) Y = 7,000 - 200r - 1,000ε
(11) 10 = r + 5ε
(12) NX = 500 - 500r - 2,500ε
(13) CF = -50,000 + 50,000r + 250,000ε
To solve the given equations for the equilibrium values of C, NX, CF, r, and ε, let's go step by step.
First, we'll substitute equations (2), (3), (4), (5), (6), (7), (8), and (9) into equation (2) to eliminate the variables C, I, G, NX, CF, and T.
Equation (2) becomes:
Y = (1/2)(Y - T) + (2,000 - 100r) + 1,500 + (500 - 500ε)
Next, let's simplify the equation:
Y = (1/2)(Y - 1,000) + 2,000 - 100r + 1,500 + 500 - 500ε
Distribute (1/2) to the terms inside the parentheses:
Y = (1/2)Y - 500 + 2,000 - 100r + 1,500 + 500 - 500ε
Combine like terms:
Y = (1/2)Y + 3,500 - 100r - 500ε
Now, let's isolate Y by subtracting (1/2)Y from both sides:
(1/2)Y = 3,500 - 100r - 500ε
Multiply both sides by 2 to get rid of the fraction:
Y = 7,000 - 200r - 1,000ε
We now have one equation (10) in terms of Y, r, and ε.
Next, let's substitute equation (1) into equation (10) to solve for Y:
5,000 = 7,000 - 200r - 1,000ε
Subtract 7,000 from both sides:
-2,000 = -200r - 1,000ε
Divide both sides by -200:
10 = r + 5ε
This gives us equation (11) in terms of r and ε.
Now, let's substitute equation (11) into equation (5) to solve for NX:
NX = 500 - 500ε
Substitute r + 5ε for ε:
NX = 500 - 500(r + 5ε)
Simplify:
NX = 500 - 500r - 2,500ε
This gives us equation (12) in terms of NX, r, and ε.
Finally, let's substitute equation (12) into equation (6) to solve for CF:
CF = -100r
Substitute 500 - 500r - 2,500ε for NX:
CF = -100(500 - 500r - 2,500ε)
Simplify:
CF = -50,000 + 50,000r + 250,000ε
This gives us equation (13) in terms of CF, r, and ε.
To summarize, we have derived the following equations:
(10) Y = 7,000 - 200r - 1,000ε
(11) 10 = r + 5ε
(12) NX = 500 - 500r - 2,500ε
(13) CF = -50,000 + 50,000r + 250,000ε
These equations represent the equilibrium values of Y, r, ε, NX, and CF in the given open economy.
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Which of the following rational functions is graphed below?
The correct option is C, The given graph represents the rational function \(\frac{1}{(x-1)(x-2)}\).
Explain graph.Mathematicians use graphs to variable logically depict or chart sentences or values in a visual way. Usually, a graph point shows the connection between two or more objects. A graph is a particular kind of non-linear side chain up of parts known as nodes as well as lines. The borders, also referred to as nodes, should be joined together with glue. The node numbers in this graph are 1, 2, 3, and 5.
Upon solving the given function,
\(\frac{1}{(x-1)(x-2)}\),
As, it is clear from the function that the value of x cannot be 1 or 2,
So,
The graph doesn't lie on x = 1 or x = 2.
So, it is the correct option.
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This question has two parts. First, answer Part A. Then, answer Part B.
Part A
Select the correct choices to complete the sentence.
TICKETS Jamal has $40 to buy tickets to a performance for himself and his friends. If he buys a $10 membership, he can buy tickets for $5 each. How many tickets can he buy while remaining within his budget?
Part A
If x represents the number tickets Jamal purchases, write an inequality that represents the situation.
, 1 of 4.
Select Choice
+, 2 of 4.
Select Choice
x , 3 of 4.
Select Choice
, 4 of 4.
Select Choice
Part B
Select the correct choices to complete the sentence.
Part B
Solve the inequality.
x , 1 of 2.
Select Choice
, 2 of 2.
Select Choice
Within his budget, he can still purchase 6 tickets. The inequality is 40 < 5x + 10.
Unitary method: what is it?The unitary approach is a strategy for problem-solving that involves first determining the value of a single unit, then multiplying that value to determine the required value.
In light of the query
With his $40, Jamal may get tickets for himself, his friends, and a show.
If he spends $10 to join a membership,
Money remaining = $40 - $10 = $30
Now he may purchase the ticket at $5 apiece.
Now, tickets that he may purchase while staying within his budget found using utilizing the unitary technique.
Tickets= $30 / $5
Tickets = 6
As a result, he may purchase the remaining 6 tickets for his budget.
A:
Number of tickets = x
Hence, the inequality is 40 < 5x + 10.
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in a paired analysis we first take the difference of each pair of observations, and then we do inference on these differences.
true or false
True. Paired analysis is a statistical technique used to compare two related samples. In this method, we take the difference between each pair of observations in the two samples and then perform inference on these differences.
Paired analysis is used when the samples are not independent, but instead each observation in one sample is related to a corresponding observation in the other sample. For example, if we want to compare the performance of students before and after a training program, we can use a paired analysis to compare the differences in scores before and after the training.
The differences between the paired observations allow us to reduce the variability in our data and increase the power of our statistical tests. We can perform inference on these differences using methods such as a paired t-test or a Wilcoxon signed-rank test to determine if there is a significant difference between the two samples. Thus, the statement "in a paired analysis we first take the difference of each pair of observations, and then we do inference on these differences" is true.
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Eight more than the quotient of a number and 6 equals 3.
Hey there!
First of all, the quotient of a number and 6 means you divide that number by 6.
Let the number be x.
Then, eight more means you add 8:
8+(6÷x)=3
That's the answer.
Hope everything is clear.
Let me know if you have any questions!
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:-)
what is y=2x*2-6x-8 as a graph
Answer:
\( \bf \: y = 2 {x}^{2} - 6x - 8\)
It is equation of a parabolla.
It is to be noted that the graph of y = 2x * 2-6x-8 which when simplified is y = -12x² - 12x. is attached accordingly.
What are the qualities of the graph of y = -12x² - 12x?The graph of y = -12x² - 12x is a downward-opening parabola.
It has a concave shape and its vertex is the highest point on the graph. The axis of symmetry is a vertical line passing through the vertex.
The graph may intersect or be tangent to the x-axis at two points, one point, or no points, depending on the discriminant.
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I need help!!!
Use the rational zero theorem, which of the following could not be a rational zero of: 6x^5+ax^3=bx+12? 1/2 -3/4 -2
Answer: x = -3/4 can not be a rational zero of the polynomial.
Step-by-step explanation:
We have the polynomial:
6x^5 + ax^3 -bx -12 = 0.
The theorem says that:
If P(x) is a polynomial with integer coefficients, and p/q is a zero of P(x) then p is a factor of the constant term (in this case the constant term is -12) and q is a factor of the leading coefficient (in this case the leading coefficient is 6.).
The factors of -12 (different than itself) are (independent of the sign).
1, 2, 3, 4 and 6.
So p can be: 1, -1, 2, -2, 3, -3, 4, -4, 6, -6.
The factors of 6 are:
1, 2 and 3, so q can be 1, -1, 2, -2, 3, -3.
Then the option that can not be a zero of the polynomial is
x = -3/4
because the number in the denominator must be a factor of the leading coefficient, and 4 is not a factor of six.
what is the correct measure of m? 15, 5, n, m
Answer:
subtract 5 , m=(-15)
Step-by-step explanation:
15-5
=10
n:
5-10
=(-5)
m:
(-5)-10
=(-15)
hope it help
I need help on this question :/
Answer: 50-50
Step-by-step explanation:
In farming, the relationship between precipitation during the growing season and crop yield is quadratic. The following table shows the amount of rainfall (in inches) with corresponding soybean crop yields (in bushels per acre) for an agricultural region.
Rainfall Crop Yield
2.25 42.1
2.75 43.0
3.25 43.8
3.75 44.2
4.25 44.5
4.75 44.3
5.25 43.5
Use a quadratic regression calculator to write a quadratic function that provides a reasonable fit to this set of data.
Answer:
2.25 42.1
2.75 43.0
3.25 43.8
Step-by-step explanation:
soybean crop yields (in bushels per acre) for an agricultural region.
Rainfall Crop Yield
2.25 42.1
2.75 43.0
3.25 43.8
3.75 44.2
4.25 44.5
4.75 44.3
5.25 43.5
Use a quadratic regression calculator to write a quadratic function that provides a reasonable fit to this set of data
whats the area of 8ft, 6ft and 2ft?
Answer:
96
Step-by-step explanation:
8x6=48
48x2=96
determine whether the raltion r on the set ofall integers is reflexin x =y^2
The relation "r" on the set of all integers, where x = y^2, is not reflexive.
A relation is reflexive if every element in the set is related to itself. In this case, for the relation x = y^2 to be reflexive, every integer "x" should be related to itself, meaning that x = x^2. However, this is not true for all integers.
For example, if we consider x = 2, it is not equal to 2^2 = 4. Similarly, if we consider x = -3, it is not equal to (-3)^2 = 9.
Since there are integers that do not satisfy the condition x = x^2, the relation x = y^2 is not reflexive on the set of all integers.
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A rectangle is inscribed in a parabola y^2 = 16x with the side of the rectangle along the latus rectum of the parabola. If the area of the rectangle is maximized, compute its perimeter.
a. 24.63
b. 13.69
c. 14.57
d. 20.69
The perimeter of the rectangle, when the area is maximized, is approximately 24.63 units. Therefore, correct option is a.
To maximize the area of the rectangle inscribed in the parabola \(y^2 = 16x\), we need to find the dimensions of the rectangle. Since the side of the rectangle is along the latus rectum of the parabola, we know that the length of the rectangle is equal to the latus rectum.
The latus rectum of the parabola \(y^2 = 16x\) is given by the formula 4a, where "a" is the distance from the focus to the vertex of the parabola. In this case, the focus is located at (4a, 0).
To find "a," we can equate the equation of the parabola to the general equation of a parabola in vertex form: \(y^2 = 4a(x - h)\), where (h, k) is the vertex of the parabola.
Comparing the two equations, we get:
4a = 16
a = 4
Therefore, the latus rectum of the parabola is 4a = 4 * 4 = 16 units.
Since the length of the rectangle is equal to the latus rectum, we have length = 16 units.
Now, to find the width of the rectangle, we need to determine the corresponding y-coordinate on the parabola for the given x-coordinate of the latus rectum. The x-coordinate of the latus rectum is half the length, which is 16/2 = 8 units.
Substituting x = 8 into the equation of the parabola, we get:
\(y^2 = 16(8)\\y^2 = 128\\y = \sqrt{128} = 11.31\)
Therefore, the width of the rectangle is approximately 11.31 units.
The perimeter of the rectangle is given by the formula:
Perimeter = 2(length + width)
Plugging in the values, we have:
Perimeter = 2(16 + 11.31)
Perimeter ≈ 2(27.31)
Perimeter ≈ 54.62
Rounding the perimeter to two decimal places, we get approximately 54.62 units, which is equivalent to 24.63 units.
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what is the probability a household does not donate to the public television station if the household donates to the public radio station?
We can say that the probability of a household donating to both stations is likely lower than the probability of a household donating only to the public radio station, as donating to both stations would require a higher level of financial commitment.
To determine the probability of a household not donating to the public television station given that it donates to the public radio station, we would need to have data on the number of households that donate to both stations as well as the number of households that only donate to the public radio station. Without this information, it is not possible to calculate the probability.
However, we can say that the probability of a household donating to both stations is likely lower than the probability of a household donating only to the public radio station, as donating to both stations would require a higher level of financial commitment. To answer your question about the probability a household does not donate to the public television station given that they donate to the public radio station, we would need more information. Specifically, we would need the joint probability of donating to both stations and the probability of donating to the public radio station.
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A sample of college age students shows an interesting association between hair length (in inches) and height (also in inches). On average, shorter students tend to have longer hair. What is a possible confounding variable that would help explain this relationship
A possible confounding variable that that would help explain the relationship between hair length and height of college age students is their gender.
Confounding variable is an extraneous variable that is related to both the dependent and independent variable, and it affects the result of the study. Therefore, it causes the effect of the independent variable on the dependent variable to be distorted. A possible confounding variable that would help explain the relationship between hair length and height of college age students is their gender. If the study didn't control for gender, then it would be difficult to determine if the relationship between hair length and height of college age students was a direct relationship or if it was due to the confounding variable (gender).For example, if the study found that female college age students tend to have shorter hair and are shorter than male college age students. Therefore, this would make the relationship between hair length and height spurious. Hence, a possible confounding variable that would help explain the relationship between hair length and height of college age students is their gender.
A possible confounding variable that would help explain the relationship between hair length and height of college age students is their gender. The gender of college age students could play a role in determining their height and hair length. If the study didn't control for gender, then it would be difficult to determine if the relationship between hair length and height of college age students was a direct relationship or if it was due to the confounding variable (gender). For example, if the study found that female college age students tend to have shorter hair and are shorter than male college age students. Therefore, this would make the relationship between hair length and height spurious. This means that the relationship between the two variables was not a direct one, but was rather due to the confounding variable (gender). Therefore, in order to determine if there is a direct relationship between hair length and height of college age students, the study needs to control for gender.
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If you invest $8,600 at a 3. 95% simple annual interest rate, approximately how long will it take for you to have a total of $21,000? a. 25. 3 years b. 36. 5 years c. 45. 9 years d. 60. 7 years.
The time needed to reach the amount of $21000 will be 36.5 years.
What will be the time to reach the amount $21000?It is given that
Principle = $8600
Rate = 3.95%
Total amount = $21000
So the total interest will be = Amount -principle = 21000-8600=$12400
So by using the formula
\(SI = \dfrac{P\times R\times T}{100}\)
Here p = principle
R= Rate of interest
T= time
SI= interest amount
Now putting the values
\(12400= \dfrac{8600\times3.95\times T\time}{100}\)
\(T=\dfrac{12400\times100}{3.95\times8600}\)
\(\rm T=36.5 \ years\)
Thus the time needed to reach the amount of $21000 will be 36.5 years.
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HELP ME... 45 POINTS WILL BE GIVEN. PLEASE.
Write an expression using fractions to show how to determine the amount that each person will pay. Then calculate each person's contributions showing all steps in long division.
Answer:
it might be 7 or 10.69
Step-by-step explanation:
4÷42.78=10.69
finding the prime factors of a number to get a product.factorratiocommon factorprime factorization
A prime factorization is finding the prime factors of a number to get a product.
A factor is a quantity which is being multiplied by other quantities. A ratio is a relation between two numbers given by the operation of dividing one number by another one. A common factor is a number which is factor of two or more numbers.
Therefore, the correct option is prime factorization.
Coordinate
Position System
Dig here!
EEEE
Where to Dig: The dinosaur's
hip and legs are at another
point on the grid - the
solution to the system of
equations below. This time, use
the substitution method to find
the fossil!
x = 43
-5x + y = -210
Answer: (43,5)
Step-by-step explanation: did the assignment myself.
Answer:
43, 5
Step-by-step explanation:
Tok the test
Use the vectors u = 3, 3 and v = −5, 1 to find the indicated quantity.
The indicated quantity is a zero vector for the given vectors.
What is a vector?A vector is a quantity that has both magnitude and direction (numerical size). The inverse of a scalar, which is a quantity with just magnitude and no direction.
The vectors are given in the question, as follows:
u = <3,3>
v = <-5,1>
The vectors u = (3, 3) and v = (-5, 1) represent points in the x-y plane.
Let
u+v = <-2,4>
Now
(u+v).0 = <-2.0,4.0> = <0,0>
(u+v).0 = 0
Thus, the result is a zero vector.
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A rectangular prism with the width as two feet, the length as one and a half feet and the height as one and a half feet.
What is the volume of the prism?
Enter your answer in the box as a mixed number in simplest form.
Answer:
Fraction form: 1/2
Decimal Form: 0.5
Step-by-step explanation:
2 x 1/2 x 1/2
Keep in mind each time you are trying to find the Volume of a Prism make sure to multiply the length x width x height.
You invested $10,000 in two accounts paying 2% and 5% annual interest, respectively. If the total interest earned for the year
was $290, how much was invested at each rate?
***
At 2 % annual interest, the amount invested was $ 7,000 and at 5 % annual interest, the amount invested was $ 3,000.
Total amount invested = $ 10, 000
interest earned = $ 290
Let amount invested for 2 % annual interest = x
Let amount invested for 5 % annual interest = 10,000 - x
so, we get that:
2 % x + 5 % (10,000 - x) = 290
0.02 x + 500 - 0.05 x = 290
500 - 0.03 x = 290
0.03 x = 500 - 290
0.03 x = 210
3 x = 21000
x = 21000 / 3
x = 7,000
10,000 - x = 3,000
Therefore, at 2 % annual interest, the amount invested was $ 7,000 and at 5 % annual interest, the amount invested was $ 3,000.
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please helpppp
also just click the image for it to be bigger
if a triangle has one angle that measure 81 degrees and another that measures 47 degrees, what is the measure of the third angle?
Answer: 52
Step-by-step explanation:
81 + 47 is 128.
180 - 128 =52 degrees.
:)
What value of x would make the denominator of the rational expression x2+2x+5/
x+5 equal to 0?
Answer:
The Answer is -5 (negative five)
Which item is discounted by more than 15%
A. $199.99 smartphone on sale for $167.99
B. $28,100 car on sale for $24,750
C. $58 jeans on sale for $50
D. $1.99 song download on sale for $1.75
Answer:
A
Step-by-step explanation:
Josephine paid $650 to rent a beachfront cabana at a vacation resort. For each guest
that used the cabana a $19.40 resort fee was added to the bill. If the bill was $882.80,
how many guests used the cabana?
Answer:
11 guest if you include everyone even Josephine