Answer:
A. Function 1
Step-by-step explanation:
The slope of Function 2 can be found using the slope formula:
m = (y2 -y1)/(x2 -x1)
m = (-8 -(-2))/(3 -0) = -6/3
__
The slope of function 1 can be found by comparing the equation to the slope-intercept equation for a line:
y = mx + b . . . . . . equation with slope m and y-intercept b
The slope of Function 1 is -7/3.
-7/3 is more negative than -6/3, so Function 1 has the more negative slope.
Ira enters a competition to guess how many buttons are in a jar. Ira’s guess is 200 buttons. The actual number of buttons is 250. What is the percent error of Ira’s guess?.
The following are the last 10 run scores colin got in cricket: 16, 11, 25, 27, 11, 25, 20, 26, 29, 35 a) work out colin's mean score. b) colin plays cricket again on sunday. he gets 6 runs. what is his new mean score? give your answers as decimals.
Colin's new mean score, after getting 6 runs on Sunday, is approximately 20.09.
To calculate Colin's mean score, we need to sum up all his scores and divide by the number of scores.
a) Mean score:
16 + 11 + 25 + 27 + 11 + 25 + 20 + 26 + 29 + 35 = 215
Total scores: 10
Mean score = 215 / 10 = 21.5
Colin's mean score is 21.5.
b) To calculate his new mean score after getting 6 runs on Sunday, we need to add the new score to the previous total and divide by the new number of scores.
New total scores = 215 + 6 = 221
New number of scores = 10 + 1 = 11
New mean score = 221 / 11 = 20.09 (rounded to two decimal places)
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Question 10 of 10
Which system of inequalities is graphed below? See picture
Consider the following small open economy: с = 200+ 0.69Y I = 80 - 1,000r G = 20 NX = 850.09Ye e = 90 M = 115 YL = 0.5Y - 200r Y = 300 C is consumption spending, I is investment spending, r is the interest rate, G is govern- ment spending, NX is net exports, e is the nominal exchange rate, M is money supply, YL is demand for money, and Y is long-run output. In this economy, the interest rate does not deviate from the foreign interest rate. The price level is fixed and set to one. Note that, in this problem, a decrease in e is synonymous with a depreciation of the nominal exchange rate. 1. Assuming that the economy is in equilibrium, find the value of the interest rate. (6 points) 2. Going from the equilibrium found in Question (1), assuming fixed nominal exchange rates, what is the effect on domestic output if the foreign interest rate increases by 0.05? (6 points) (a) What is the size of the nominal money supply in the new short run equilibrium? (6 points) 3. Going from the equilibrium found in Question (1), assuming flexible exchange rates, what is the effect on domestic output if the foreign interest rate increases by 0.05? (6 points) (a) What is the value of the real exchange rate in the new equilibrium? (6 points)
The interest rate is 10.89%
1. Given,С = 200+ 0.69YI = 80 - 1,000rG = 20NX = 850.09ee = 90M = 115YL = 0.5Y - 200rY = 300Using the equation for National Saving, we get,National Saving = Investment + Government Saving + Net exports(S – I) + (T – G) + (X – M) = 0T = 0, hence (S – I) + (X – M) = 0(1 – t)Y – C – (I + G) + NX = 0Where t = 0, we get,0.5Y – 200r – 200 – 69/100Y + 80 – 850.09e = 0.5Y – 200r – 970.09e – 120 = 0.5Y – 200r – 970.09e – 120 = 0Therefore, Y = 325.0454 - 0.5r + 4.851eThis is the equation for the IS curve.On the other hand, the equation for the LM curve is given by,Ms / P = YL(i)115 / 1 = 0.5Y - 200rTherefore, Y = 400 + 400rThis is the equation for the LM curve.The interest rate is given by the point of intersection of the two curves. Equating Y from both equations, we get,325.0454 - 0.5r + 4.851e = 400 + 400rSolving the above equation for r, we get r = 0.1089 or 10.89%..
The size of the nominal money supply in the new short-run equilibrium is 121.07.
2. From the equilibrium found in Question (1), if the foreign interest rate increases by 0.05, the domestic output will change in two ways, depending on the flexibility of the nominal exchange rate.Flexible Exchange Rates:In this case, the nominal exchange rate will depreciate (e decreases). This will increase net exports and shift the IS curve to the right. The new equilibrium will be at a higher level of output.Real exchange rate will fall.Increase in output will be higher compared to the fixed exchange rate case.Fixed Exchange Rates:In this case, the nominal exchange rate will remain constant. Therefore, there will be no effect on net exports.IS curve will not shift.Real exchange rate will remain unchanged.Increase in output will be less compared to the flexible exchange rate case.The nominal money supply in the new short-run equilibrium will change in the case of Fixed Exchange Rates. In the fixed exchange rate case, the domestic interest rate will increase, leading to an inflow of capital. This will increase the money supply and the LM curve will shift downwards until it intersects the IS curve at the new equilibrium point.
Real exchange rate will remain unchanged.
3. From the equilibrium found in Question (1), if the foreign interest rate increases by 0.05, the domestic output will change in two ways, depending on the flexibility of the nominal exchange rate. Flexible Exchange Rates :In this case, the nominal exchange rate will depreciate (e decreases). This will increase net exports and shift the IS curve to the right. The new equilibrium will be at a higher level of output .Real exchange rate will fall. Value of the real exchange rate in the new equilibrium is 0.891.Fixed Exchange Rates: In this case, the nominal exchange rate will remain constant. Therefore, there will be no effect on net exports.IS curve will not shift.
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1 individuals in a tetrahybrid cross is AaB-bCcDd. Assuming independent assortment of these four genes, what are the probabilities that F2 offspring will have the following genotypes?
1. AABBCCDD: The probability of this happening is \(1/16\), since each parent would need to contribute a dominant allele for each gene.
2. AABBCcDD: This genotype can be produced in two ways:
a) If both parents are homozygous dominant for A and B, heterozygous for C, and homozygous dominant for D.
The probability of this happening is = 1/128.
b) If one parent is homozygous dominant for A and B, heterozygous for C, and homozygous dominant for D, and the other parent is heterozygous for A and B, homozygous dominant for C, and heterozygous for D.
3. The probability of this happening is 1/32.
AaBbCcDd : The probability of this happening is 1/256.
4. aaBBCcDD - This genotype can be produced in two ways:
a) If both parents are homozygous recessive for A, homozygous dominant for B, heterozygous for C, and homozygous dominant for D. The probability of this happening is 1/128.
b) If one parent is homozygous recessive for A, homozygous dominant for B, heterozygous for C, and homozygous dominant for D, and the other parent is heterozygous for A, homozygous dominant for B, homozygous dominant for C, and heterozygous for D.
The probability of this happening is 1/32.
To solve this problem, we need to use the principles of probability and Punnett squares.
For a tetrahybrid cross, we need to consider the four genes independently and combine the probabilities of each gene's alleles.
Assuming that A, B, C, and D are dominant alleles, and a, b, c, and d are recessive alleles, we can create a Punnett square for each gene, which would look like this:
A | A | a | a
---|-----|-----|----
B | B | b | b
---|-----|-----|----
C | C | c | c
---|-----|-----|----
D | D | d | d
Each box in the Punnett square represents a possible combination of alleles from the two parents.
For example, the top-left box represents offspring that inherit an A allele from the mother and an A allele from the father.
We can use these Punnett squares to calculate the probabilities of each genotype in the F2 offspring.
AABBCCDD - This genotype can only be produced if both parents are homozygous dominant for all four genes.
The probability of this happening is \((1/2)^4 = 1/16\) , since each parent would need to contribute a dominant allele for each gene.
AABBCcDD - This genotype can be produced in two ways:
a) If both parents are homozygous dominant for A and B, heterozygous for C, and homozygous dominant for D.
The probability of this happening is\((1/2)^4 * 1/2 * (1/2)^3 = 1/128\)
b) If one parent is homozygous dominant for A and B, heterozygous for C, and homozygous dominant for D, and the other parent is heterozygous for A and B, homozygous dominant for C, and heterozygous for D.
The probability of this happening is\(2 * (1/2)^4 * 1/2 * 1/2 * 1/2 = 1/32\)
AaBbCcDd - This genotype can be produced in 16 ways, since each gene can be inherited in two different ways (dominant or recessive).
The probability of this happening is \((1/2)^8 = 1/256.\)
aaBBCcDD - This genotype can be produced in two ways:
a) If both parents are homozygous recessive for A, homozygous dominant for B, heterozygous for C, and homozygous dominant for D. The probability of this happening is\((1/2)^4 * 1/2 * (1/2)^3 = 1/128.\)
b) If one parent is homozygous recessive for A, homozygous dominant for B, heterozygous for C, and homozygous dominant for D, and the other parent is heterozygous for A, homozygous dominant for B, homozygous dominant for C, and heterozygous for D.
The probability of this happening is \(2 * (1/2)^4 * 1/2 * 1/2 * 1/2 = 1/32.\)
Note that we have assumed independent assortment of the four genes, which means that the inheritance of one gene does not affect the inheritance of another gene.
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Look at the cordinates below and write a linear equation (3,4) and (8,3)
Hello!
A linear equation has the form y = ax +b.
We also can call it the slope-intercept form.
We have two points, that I will name 1 and 2:
• (x1, y1) = (3, 4)
,• (x2, y2) = (8, 3)
The first step is to find the slope (variable a). We must use the formula below:
\(Slope=\frac{y_2-y_1}{x_2-x_1}\)So, let's replace it with the values that we know:
\(Slope=\frac{3-4}{8-3}=-\frac{1}{5}\)Now we know variable a, we must find the variable b too. So, we can replace x and y in the equation with the coordinates of the point (x1, y1). Look:
\(\begin{gathered} y=ax+b \\ 4=-\frac{1}{5}\cdot3+b \\ 4=-\frac{3}{5}+b \\ 4+\frac{3}{5}=b \\ b=\frac{23}{5} \end{gathered}\)So, the equation will be:
\(\begin{gathered} y=ax+b \\ y=-\frac{1}{5}x+\frac{23}{5} \end{gathered}\)Look at the graph of this equation below:
at a certain auto parts manufacturer, the quality control division has determined that one of the machines produces defective parts of the time. if this percentage is correct, what is the probability that, in a random sample of parts produced by this machine, exactly are defective?
The probability of a random sample of parts produced by this machine being exactly defective = 0.15
Step-by-step explanation:
Let the percentage of defective part be 12%
and the sample be out of 7 , 2 are defective.
P(X=x) = (e-λ λ x)/ x! [ poisson distribution]
Since, 12% defective parts is produced by one of the machines of the time.
μ= (12%×7)= 0.84
the number of defective product =2
Therefore ,
P(X=2) = 0.15
Thus the required probability becomes 0.15
In Statistics, Poisson distribution is one of the important topics. It is used for calculating the possibilities for an event with the average rate of value. Poisson distribution is a discrete probability distribution.
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Please help:)...........
Part (a)
Answer: x = 0-----------------
Work Shown:
\(3\left(\frac{x}{7}+2\right) = 6\\\\\frac{x}{7}+2 = \frac{6}{3}\\\\\frac{x}{7}+2 = 2\\\\\frac{x}{7} = 2-2\\\\\frac{x}{7} = 0\\\\x = 7*0\\\\x = 0\\\\\)
In step 2, I divided both sides by 3. In step 4, I subtracted 2 from both sides. In step 6, I multiplied both sides by 7.
================================================
Part (b)
Answer: x = 3-----------------
Work Shown:
\(2\left(\frac{5x}{3}-1\right) = 8\\\\\frac{5x}{3}-1 = \frac{8}{2}\\\\\frac{5x}{3}-1 = 4\\\\\frac{5x}{3} = 4+1\\\\\frac{5x}{3} = 5\\\\5x = 3*5\\\\5x = 15\\\\x = \frac{15}{5}\\\\x = 3\\\\\)
The steps are fairly similar to part (a). The steps were
divide both sides by 2 (step 2)add 1 to both sides (step 4)multiply both sides by 5 (step 6)divide both sides by 5 (step 8)Need Help!!!!!!!!!!!!!!
Answer:
Option a. id have other relations for them, but they are not listed, so their ya go.
Step-by-step explanation:
Answer:
You add 5 to get from x to y
Step-by-step explanation:
10+5 =15
13+5 = 18
16+5 = 21
Find the zeros of: \(f(x)=-\frac{1}{1500} (x^3+10x^2-275x-1500)\), and the use them to find all of the linear factors of the polynomial function
The linear factors of the polynomial function are f(x) = - (1/1500) · (x + 20) · (x + 5) · (x - 15).
How to find the linear factors of a cubic equation
Cubic equations are polynomials of third grade, whose standard and factor forms are shown below:
Standard form
y = a · x³ + b · x² + c · x + d
Factor form
y = (x - r₁) · (x - r₂) · (x - r₃)
Where r₁, r₂, r₃ are the zeros of the cubic equation.
There are several approaches to find the roots of the polynomial, in this question we decided to use the graphical approach, which offers sufficiency and quickness for analysis. The roots of the polynomials are the points that pass through the x-axis.
In accordance with the image attached below, the polynomial has three real roots: r₁ = - 20, r₂ = - 5, r₃ = 15. Then, the linear factors of the polynomial function are f(x) = - (1/1500) · (x + 20) · (x + 5) · (x - 15).
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Please help!!! Thank you!!!
Answer:
1. 180° ∑triangle angles=180°
2. 2x
3. 52°
One angle in a triangle has a measure that is three times as large as the smallest angle. The measure of the third angle is 30 degrees more than that of the smallest angle. Find the measure of the LARGEST angle.
Answer:
largest angle = 90°
Step-by-step explanation:
let the smallest angle be x then and other 2 angles are 3x and x + 30
the sum of the 3 angles in the triangle sum to 180° , that is
x + 3x + x + 30 = 180
5x + 30 = 180 ( subtract 30 from both sides )
5x = 150 ( divide both sides by 5 )
x = 30
3x = 3 × 30 = 90
x + 30 = 30 + 30 = 60
the 3 angles are 30° , 60° , 90°
with 90° being the largest
How do you know if an absolute value equation is all real numbers?
If the right hand side of the equation is non-negative real number, the equation will have two solution that include all real numbers.
An absolute value equation of the form |x| = k (where k is a constant) will have two solutions, one positive and one negative, that are the same distance from 0 on the number line.
To determine if the solutions of the equation include all real numbers, you can examine the value of k. If k is a non-negative real number, then the two solutions of the equation will include all real numbers, because any real number is either positive or negative and the same distance from 0 as k.
For example, if the equation is |x| = 5, the two solutions of the equation are x = 5 and x = -5, which include all real numbers.
On the other hand, if k is a negative real number or a complex number, the equation is not valid and there are no solutions.
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The graph of an equation is shown below:
2
-3
Based on the graph, which of the following represents a solution to the equation? (4 points)
O (-2,-3)
O (2.1)
(1,2)
(-3, -2)
Answer:
A
Step-by-step explanation:
X before Y
How are ROC (rate of change) and slope related AND different
Answer:
Rate of change and slope is the same since they are both terms of every rate, but rate of change can be said in any terms as in exponential and linear, etc. While slopes are only for linear equations.
Step-by-step explanation:
Hope this helps :)
Which of the following is the slope of the line perpendicular to 3x + y = 1? HURRY I NEED THIS AM DOING A POST-TEST
A. -3
B. - 1/3
C. 1/3
D. 3
Answer:
C. 1/3
Step-by-step explanation:
1. convert 3x + y = 1 to slope form: y = -3x +1
2. Perpendicular slope: negative reciprocal of the given slope
3. Given slope = -3x
4. Perpendicular slope = -(1/-3) = 1/3
What is the answer to y=-6x-3, -8x-3y=-1.
Answer:
x=−y/6− 1/2
x= 1−3y/8
hope it helps
what is the slope of the line ?
Answer:
\(\displaystyle \frac{2}{3}\)
Step-by-step explanation:
From \(\displaystyle [1, 2],\)travel two-thirds unit south over one unit west, where you will arrive at the y-intercept of \(\displaystyle [0, 1\frac{1}{3}].\)Doing this will lead you to knowing that the rate of change is \(\displaystyle \frac{2}{3}.\) Moreover, you could have also done this with the rate of change formula:
\(\displaystyle \frac{-y_1 + y_2}{-x_1 + x_2} = m \\ \\ \frac{-2 + 1\frac{1}{3}}{-1 \pm 0} \hookrightarrow \frac{-\frac{2}{3}}{-1} \\ \\ \boxed{\frac{2}{3} = m}\)
I am joyous to assist you at any time.
I have more q if you get this right will Pay 5 everything is in the picture also leave your contact info.
Answer:
bottom right and the middle one from the left
Answer:
c
Step-by-step explanation:
In the equation Y=13X+38 where Y is a function of X a) Y is a constant. b) 38 is a variable. c) the slope of the line is 13. d) None of these. 13) If Kolin catches 25 fish and gathers 70 fruits it would be co a) an efficient combination b) an unattainable combination c) an inefficient combination d) the most efficient combination Use the figure on the left to answer qucstions 14. 14. What is the equilibrium price and quantify? a. $35 and 6 dozens of roses per day b. $10 and 2 dozens of roses per day? c. Sis and 14 dozens of roses per day d. $25 and 10 dozens of roses per day
1)The slope of the line is C) 13. 2)It would be inefficient since it is not the most optimal use of resources.the correct option is C. 3)The equilibrium price and quantity are D) $25 and 10 dozens of roses per day, respectively.
1) Y = 13X + 38, where Y is a function of X.
The slope of the line is 13.
Therefore, the correct option is C.
2) Kolin catches 25 fish and gathers 70 fruits. If we consider the combination, then it would be inefficient since it is not the most optimal use of resources.
Therefore, the correct option is C.
3) Using the given figure, we can see that the point where the demand and supply curves intersect is the equilibrium point. At this point, the equilibrium price is $25 and the equilibrium quantity is 10 dozens of roses per day.
Therefore, the correct option is D. The equilibrium price and quantity are $25 and 10 dozens of roses per day, respectively.
Note that this is the point of intersection between the demand and supply curves, which represents the market equilibrium.
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find the median revenue.112,121,124,137,147,156,173,189
According to the given set of data, the median will be the mean between the two values that are in the middle, those are 137 and 147:
\(Me=\frac{137+147}{2}=\frac{284}{2}=142\)It means that the median revenue is 142.
Factor the following expression completely.
2x^2y-18y
Answer:
Since both terms are perfect squares, factor using the difference of squares formula,
a2-b2=(a+b)(a−b) where a=x and b=3.2y(x+3)(x−3)
Step-by-step explanation:
hope this helps!!!
A new projector for the classroom costs $358.25. The tax rate is 12%. How much will
the tax cost for the projector?
$4299
$42.99
$346.25
DELL
$29.85
$401.24
Sign out
USD 1:33
if 15 out of the 200 patients admitted to a hospital remain longer than a week, how many of the 2800 admissions in a given year were relaeased within one week
Answer:
15 × 14 = 210 of the 2,800 admitted patients remained longer than a week, so 2,800 - 210 = 2,590 of those patients were released within one week.
bat
Name
1. Complete each more or less statement.
2
a. 1 more than 66 is
b. 10 more
c. 1 less than 66 is
d. 10 less
e. 56 is 10 more than
f. 88 is 1
For the equation (x2-16)3 (x-1)y'' - 2xy' + y = 0 classify each of the following points as ordinary, regular singular, irregular singular, or special points.
To classify the points for the given equation, we need to examine the behavior of the coefficients and the solutions of the equation near each point.
Point x = 1:
At x = 1, the coefficient (x - 1) becomes zero, indicating a potential singular point. To determine the type of singular point, we need to examine the behavior of the other coefficients and the solutions near x = 1.
Point x = 4:
At x = 4, the coefficient (x^2 - 16) becomes zero, indicating a potential singular point. To determine the type of singular point, we need to examine the behavior of the other coefficients and the solutions near x = 4.
Points at infinity:
To determine the behavior of the equation at infinity, we perform a change of variables: x = 1/z, which transforms the equation into a new equation in terms of z. We then examine the behavior of the coefficients and the solutions near z = 0.
Based on the information provided, we cannot classify each point as ordinary, regular singular, irregular singular, or special points without further analysis. The behavior of the equation and the classification of the points depend on the specific form of the solutions and the coefficients near each point. Additional analysis is needed to classify the points accurately.
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find the value of f(3)
Answer:
f(3) = 5
Step-by-step explanation:
If you go 3 units to the right and go up 5 units, you'll reach a point in the graph.
I apologize if I get this incorrect.
The equipment will cost $26,000. What lump sum should be invested today at 6%, compounded semiannually, to yield $26,000?a. $ 17,189.06 b. $ ...
To yield $26,000 in the future, compounded semiannually at an interest rate of 6%, a lump sum investment needs to be made today. The correct amount to invest can be calculated using the present value formula.
The present value formula can be used to calculate the amount that should be invested today to achieve a specific future value. The formula is given by:
PV = FV / (1 + r/n)^(n*t)
In this case, the future value (FV) is $26,000, the interest rate (r) is 6%, and the compounding is semiannually (n = 2). We need to solve for the present value (PV).
Using the formula and substituting the given values:
PV = 26,000 / \((1 + 0.06/2)^(2*1)\)
PV = 26,000 / \((1.03)^2\)
PV = 26,000 / 1.0609
PV ≈ $24,490.92
Therefore, the correct lump sum to invest today, at 6% compounded semiannually, to yield $26,000 in the future is approximately $24,490.92.
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Which of the following graphs represents the equation y-2 = 3(x - 1)?
A. Graph A
B. Graph B
C. Graph C
D. Graph D
Answer:
y+2= 3(x-1)
y=3x-3-2
y=3x-5
The y - intercept is at (0,-5)
The only graph that has the y-intercept at -5 is C
Answer is =C
Hope it is helpfully.Thankyou.Have a nice day.Answer:
GRAPH B!!!
Step-by-step explanation:
hope this helps :)
Joe always dresses in a suit when he teaches class. On a day that he is not wearing a suit, a coworker predicts that he must not have a class to teach that day. The coworker has formed a(n)
The coworker has formed a hypothesis based on their observation that Joe is not wearing a suit on a particular day.
They have made an inference that Joe not wearing a suit implies that he does not have a class to teach that day. A hypothesis is a tentative explanation or prediction based on available evidence or observations.
In this case, the coworker's hypothesis suggests a relationship between Joe's attire and his teaching schedule. However, it is important to note that the coworker's hypothesis may or may not be accurate, and further evidence or verification is required to support or refute their prediction.
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