Transformation involves rotating a shape in clockwise or counterclockwise direction
The coordinates of the image are: M' = (6,7), N' = (2,1) and P = (0,6)
How to determine the coordinatesThe coordinates are given as:
M = (-7,6)
N = (-1,2)
P = (-6,0)
The rule of 270 degrees clockwise rotation is:
\((x,y) \to (y, -x)\)
Hence, the coordinates of the image are:
M' = (6,7)
N' = (2,1)
P = (0,6)
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graph this on a coordinate plane f(x)=2x^2-1
Answer:
Step-by-step explanation:
answer all
(make sure to show work
6th grade work
What is the property of equality for AM = AM
Answer:
Reflexive
Step-by-step explanation:
When a=a, it is called the reflexive property
a=b then b=a is the symmetric property
a=b b=c then a=c is the transitive property
apter 3 If a driver uses of a tank of gas every day, what fraction of a tank will he use in a) 3 days? b) 1 week? 21
You need to re copy and paste it, I can’t see the full possible answers/question.
The chart below represents the steps in the process of a bill becoming a law. Use the chart to answer the following question.
The image represents the process of a bill becoming a law. It shows a set of parallel lines that merge, then split into two, and then merge again. Moving left to right, the top line has boxes labeled: A, C, E, G, and H. The bottom line has boxes labeled: B, D, F, and I. Boxes A and B, C and D, E and F, H and I, are paired. G is the only box on the top line without a corresponding box on the bottom line. Continuing to move from left to right, the two lines merge into one and have one box labeled J. Then the lines separate into two parallel lines again. The top line is labeled with box K and the bottom line is labeled with box L. The two parallel lines continue to the right where they again merge into one line, with an arrow pointing to a final box labeled M.
© 2011 FLVS
Which section of this chart represents the point where a bill is first debated in subcommittees?
A and B
H and I
C and D
K and L
Based on the description provided, the section of the chart that represents the point where a bill is first debated in subcommittees is: C and D
How to explain the informationIn the given chart, the parallel lines represent the progression of a bill through various stages in the legislative process. The boxes on the top line represent one set of actions or steps, while the boxes on the bottom line represent another set of actions or steps.
Moving from left to right on the chart, the boxes A and B are paired, representing a particular stage in the process. Similarly, the boxes C and D are paired, indicating another stage in the process.
In the context of the question, the stage where a bill is first debated in subcommittees is represented by the boxes C and D.
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in problems 7-6, information is given about a polynonmial function f (x) whose coefficenents are real numbers find the remaing zeros
The remaining zeros will be = -4 and 3 - i
According to the information given in the question,
The function f(x) has coefficients with real numbers.
The degree is given in the question = 3
∴ This means that there are 3 roots ( zeros )
Hence, The number of roots = The degree that is given in the question.
Zeros gave in the question = 4, 3 + i
This question will be solved using the Complex Conjugate Root Theorem,
According to this theorem, if there are complex roots with real coefficients then the root of its polynomial, will also be its complex conjugate.
So the resultant conjugates will be,
⇒ 4 = -4
⇒ 3 + i = 3 - i
Therefore, The remaining zeros will be = -4 and 3 - i
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Given a polynomial f(x) with real coefficients and the following information, find the remaining zeros of f(x). Degree 3 Zeros: 4, 3 + i
The 2010 U.S. Census asked every household to report information on each person living there. Suppose for a sample of 30 households selected, the number of persons living in each was reported as follows. 2 3 1 2 6 4 2 1 5 3 2 3 1 2 2 1 3 1 2 2 4 2 1 2 9 3 2 1 1 3 Compute the mean, median, mode, range, lower and upper quartiles, and interquartile range for these data. (Round the mean to 2 decimal places.) Mean
Answer:
\(\bar x =2.53\) -- Mean
\(Median= 2\)
\(Mode = 2\)
\(Range = 8\)
\(Q_1 = 1\)
\(Q_3 = 3\)
\(IQR = 2\)
Step-by-step explanation:
Given
n = 30
Data: 2 3 1 2 6 4 2 1 5 3 2 3 1 2 2 1 3 1 2 2 4 2 1 2 9 3 2 1 1 3
Solving (a): The mean
This is calculated as:
\(\bar x =\frac{\sum x}{n}\)
\(\bar x =\frac{2 +3 +1 +2 +6 +4 +2 +1 +5 +3 +2 +3+ 1+ 2 +2 +1 +3 +1 +2 +2 +4 +2 +1 +2 +9 +3 +2 +1 +1 +3}{30}\)
\(\bar x =\frac{76}{30}\)
\(\bar x =2.53\)
Solving (b): The median
First arrange the given data
Arranged: 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 2 3 3 3 3 3 3 4 4 5 6 9
\(Median =\frac{1}{2}(n+1)\)
\(Median =\frac{1}{2}(30+1)\)
\(Median =\frac{1}{2}(31)\)
\(Median = 15.5th\)
This implies that the median is the average of the 15th and 16th item
\(Median = \frac{2+2}{2}\)
\(Median = \frac{4}{2}\)
\(Median= 2\)
Solving (c): The mode
From the given data; 2 has the highest frequency of 11.
So,
\(Mode = 2\)
Solving (d): The Range
\(Range = Highest\ Data - Lowest\ Data\)
The highest is 9 and the lowest is 1,
So:
\(Range = 9 - 1\)
\(Range = 8\)
Solving (e): Lower (Q1) and Upper (Q3) quartile.
Q1 is calculated as:
\(Q_1 = \frac{1}{4}(n+1)th\)
\(Q_1 = \frac{1}{4}(30+1)th\)
\(Q_1 = \frac{1}{4}(31)th\)
\(Q_1 = 7.75th\)
\(Q_1 = 8th\ item\)
\(Q_1 = 1\) -- from the arranged data
Q3 is calculated as:
\(Q_3 = \frac{3}{4}(n+1)th\)
\(Q_3 = \frac{3}{4}(30+1)th\)
\(Q_3 = \frac{3}{4}(31)th\)
\(Q_3 = 23.25th\)
\(Q_3 = 23rd\ item\)
\(Q_3 = 3\) -- from the arranged data
Solving (f): The interquartile range (IQR)
\(IQR = Q_3 - Q_1\)
\(IQR = 3-1\)
\(IQR = 2\)
Two random samples of professional baseball players were selected and the number of home runs hit were recorded. One sample was obtained from the National League, and the other sample was obtained from the American League. Ata -0.10, is there a difference in the means? Use the critical value method with tables. National League American League 18 18 12 25 24 Download data Use μ 1 for the mean number of home runs from the National League. Assume the variables are normally distributed and the variances are unequal. Part 1 out of 5 State the hypotheses and identify the claim with the correct hypothesis. H0:#1 (select) | ▼ Ma (select) H2:A9 (select) μ2 (select) This hypothesis test is a (select) test
Hypotheses: H0: μ1 = μ2 and H1: μ1 ≠ μ2.This hypothesis test is a two-tailed test.
Calculate the pooled standard deviation of the two samples.
Let x1 and x2 be the sample means of the National League and American League, respectively. Let s1 and s2 be the sample standard deviations of the National League and American League, respectively. Let n1 and n2 be the sample sizes of the National League and American League, respectively.
Pooled standard deviation = √[( (n1 - 1)s1^2 + (n2 - 1)s2^2 ) / (n1 + n2 - 2)]
s1 = 6.9282
s2 = 6.3246
n1 = 2
n2 = 2
Pooled standard deviation = √[( (2 - 1)6.9282^2 + (2 - 1)6.3246^2 ) / (2 + 2 - 2)]
Pooled standard deviation = 6.6759
Calculate the degrees of freedom (df).
Degrees of freedom (df) = n1 + n2 - 2
df = 2 + 2 - 2
df = 2
Calculate the t-statistic.
Let μ1 and μ2 be the population means of the National League and American League, respectively.
t-statistic = (x1 - x2 - (μ1 - μ2)) / √(s^2 / n1 + s^2 / n2)
x1 = 18
x2 = 19
μ1 = μ2
s2 = 6.6759
n1 = 2
n2 = 2
t-statistic = (18 - 19 - (μ1 - μ2)) / √(6.6759^2 / 2 + 6.6759^2 / 2)
t-statistic = (-1) / (4.4518)
t-statistic = -0.2244
At a significance level of 0.10,
The critical value for a two.
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can i get help please
Answer:
20
Step-by-step explanation:
side BC = side AB
so their base angles that is ∠A = ∠C = (3x+20)°
now, total measure of the angles of a triangle is 180° & ∠B = x°
Now,
m∠A + m∠B + m∠C = 180
⇒ 3x + 20 + x + 3x + 20 = 180
⇒ 7x + 40 = 180
⇒ 7x = 140
⇒x = 20
pls help with this
35p
Answer:
i dont know a but b is 15
Step-by-step explanation:
Answer:
Question a: (0,1)
Question b: k=7/2
Step-by-step explanation:
In ΔFGH, h = 840 inches, � m∠F=93° and � m∠G=49°. Find the length of g, to the nearest 10th of an inch.
-3 > t+5/-1
can someone plz solve this inequality
Juan has 36 in of string how many 3 and 1/4 in pieces can one cut from the string? a. 8 b.9 c.11 d.12?
Answer:
C. 11
Step-by-step explanation:
36÷3.25= 11.07
Round down, he can cut 11 strings.
Identify the algebraic rule that would translate a figure 3 units left and 2 units up.
The algebraic rule for translating the figure 3 units left and 2 units up is (x-3, y+2). Option B.
To translate a figure 3 units to the left and 2 units up, we need to adjust the coordinates of the figure accordingly. The algebraic rule that represents this translation can be determined by examining the changes in the x and y coordinates.
When we move a figure to the left, we subtract a certain value from the x coordinates. In this case, we want to move the figure 3 units to the left, so we subtract 3 from the x coordinates.
Similarly, when we move a figure up, we add a certain value to the y coordinates. In this case, we want to move the figure 2 units up, so we add 2 to the y coordinates.
Taking these changes into account, we can conclude that the algebraic rule for translating the figure 3 units left and 2 units up is (x-3, y+2). The x coordinates are shifted by subtracting 3, and the y coordinates are shifted by adding 2. SO Option B is correct.
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i cannot figure this out for the life of me. any help?
Find f(3) for the
piece-wise function.
f(x) =
x+1
X
if x > 0
if x ≤ 0
f(3) = [?]
Answer:
f(3) = 3 + 1 = 4
Step-by-step explanation:
Since 3 > 0, we need to focus on the part of the function where x > 0. So:
f(3) = 3 + 1 = 4.
helpppp i’ll give brainlest
find the approximate area of the shaded region
Answer:
240.52 m square is your answer
Answer:
B
Step-by-step explanation:
area of square=20×21=420 m²
diagonal=√(20²+21²)=√(400+441)=√841=29
radius=29/2
area of circle=π×(29/2)²=841/4 π≈660.52 m²
area of shaded region=660.52-420=240.52 m²
Please need help with this one
Answer:
\(7 \times 1 > \frac{5}{9} simplify \\ \)
if you don't its still right though
Step-by-step explanation:
only if you don't simplyfy if you do then just subtract and you will get a another answer which both are right
Answer:
y=1/5x+2
Step-by-step explanation:
Slope intercept form is y=mx+b
m is the slope, and we're given the slope \(\frac{1}{5}\), so plug that in:
y= (1/5)x+bThen we're given a point (10,4), in the format (x,y)
So 10 = x and 4 = y. Plug that in:
y=(1/5)x+b4=(1/5)(10)+bSolve for b:
4 = 10/5 + b4 = 2 + b2 = bNow we know that b=2, we can write slope intercept form:
y=1/5x+2Find the tangent line and the normal line to the curve at the given point.
The equation of the normal line to the curve x^2y^2 = 4 at the point (-1,-2) is y = x - 1.
To find the tangent line and normal line to the curve x^2y^2 = 4 at the point (-1,-2), we need to determine the derivative of the curve equation with respect to x and evaluate it at the given point.
First, let's differentiate the equation x^2y^2 = 4 implicitly with respect to x using the chain rule:
2x * (y^2) + 2y * (2xy * dy/dx) = 0
Simplifying the equation, we have:
2xy^2 + 4xy(dy/dx) = 0
Now, let's find the value of dy/dx at the point (-1,-2). Substitute x = -1 and y = -2 into the equation:
2*(-1)(-2)^2 + 4(-1)*(-2)(dy/dx) = 0
Simplifying further:
8 + 8(dy/dx) = 0
8(dy/dx) = -8
dy/dx = -1
We have found the derivative dy/dx at the point (-1,-2), which is -1. This represents the slope of the tangent line to the curve at that point.
Using the point-slope form of a line, we can write the equation of the tangent line as:
y - y₁ = m(x - x₁)
Substituting the values of (-1,-2) and dy/dx = -1 into the equation, we have:
y - (-2) = -1(x - (-1))
y + 2 = -1(x + 1)
y + 2 = -x - 1
y = -x - 3
Therefore, the equation of the tangent line to the curve x^2y^2 = 4 at the point (-1,-2) is y = -x - 3.
To find the normal line, we know that the slope of the normal line is the negative reciprocal of the slope of the tangent line. Therefore, the slope of the normal line is 1.
Using the point-slope form of a line again, we can write the equation of the normal line as:
y - y₁ = m'(x - x₁)
Substituting the values of (-1,-2) and m' = 1 into the equation, we have:
y - (-2) = 1(x - (-1))
y + 2 = x + 1
y = x - 1
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4) Suppose that rectangle ABCD is dilated to A'B'CD' using the origin as the center and a magnitude of 2
What are the coordinates of C?
A) (8,8)
B) (-8,8)
C) (8,-8)
D) (-8,-8)
Answer: C
Step-by-step explanation: You're Welcome
What value of c makes the polynomial below a perfect square?
x^2+16x+c
c=
Answer:
c=64
Step-by-step explanation:
A perfect square is a number made by squaring another number, such as 4 x 4 or 5 x 5.
Think about how you would normally factor a trinomial. When doing so, you need two numbers that multiply together to give you the third term (c in this case) and add together to give you the middle term (16 in this problem).
Ask yourself, what numbers can I add to get 16 and multiply to get a perfect square? The number you are looking for here is 8.
So, the perfect square of this trinomial would be x^2+16x+64 because 8 x 8 is 64 and 8 + 8 is 16.
The factored version of it would be
(x+8)(x+8)
Answer:
It's 64=c, that makes the polynomial a perfect square.
Step-by-step explanation:
The other users explain this pretty well. Also, I just did this on ap-ex. 8)
Question
If the values of x and y are negative, which of the following values must be positive?
O x2 - y2
O x + y
Ох — у
A soccer team is planning to sell candy bars to spectators at their games. They will buy two-pound bags of candy. The number of candy bars per bag has mean 12 and standard deviation 2. They will sell each candy bar for $1.25. (Assume that all of the candy in a bag will be sold.)
1. What is the expected value and the standard deviation for the amount of money that would be made selling all of the candy in one bag of candy?
The expected value for the amount of money made selling all of the candy in one bag is $15, and the standard deviation is approximately $24.33.
What exactly is a standard deviation?The standard deviation is a measurement of how widely apart a set of numbers or statistics are from their mean.
The expected value for the amount of money made selling all of the candy in one bag can be found by;
Expected value = mean number of candy bars per bag x price per candy bar
Expected value = 12 x $1.25 = $15
Formula for the standard deviation of a product of random variables:
\(SD (XY) = \sqrt{((SD(X)^2)(E(Y^2)) + (SD(Y)^2)(E(X^2)) + 2(Cov(X,Y))(E(X))(E(Y)))}\)
where X and Y are random variables, SD is the standard deviation, and Cov is the covariance.
X is the number of candy bars in a bag, which has a mean of 12 and a standard deviation of 2. Y is the price per candy bar, which is a constant $1.25. So we have:
E(Y²) = $1.25² = $1.5625
E(X²) = (SD(X)²) + (E(X)²) = 2² + 12² = 148
Cov (X,Y) = 0 (because X and Y are independent)
Using these values, we can calculate the standard deviation for the amount of money made selling all of the candy in one bag:
\(SD = sqrt((2^{2} )(148) + (0)(12)(1.25)^{2} + 2(0)(2)(12)(1.25))\)
SD = √(592)
SD ≈ $24.33
Therefore, the expected value for the amount of money made selling all of the candy in one bag is $15, and the standard deviation is approximately $24.33.
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Please help me with this proof.
Answer:
See below
Step-by-step explanation:
For the second step, \(\angle T\cong\angle R\) by Alternate Interior Angles. The rest of the steps appear to be correct.
Jose is planning to spread fertilizer on his rectangular yard. His yard is length of 40 feet and width of 25 feet. How much fertilizer does he need?
Find the distance between the point (5,12) and the line y = 5x + 12 (rounded to the nearest hundredth).
A. 1.36 units
B. 2.19 units
C. 4.81 units
D. 4.90 units
The distance between the point (5,12) and the line y = 5x + 12 is 4.90 units
How to find the distance between a point and a line?
If a point P with the coordinates (x₁, y₁), and we need to know its distance from the line represented by ax + by + c = 0
Then the distance of a point from the line is given by the formula:
d = (ax₁ + by₁ + c) / √(a² + b²)
Given: the point (5,12) and the line y = 5x + 12. The line can be written as
5x-y+12 = 0. Thus:
x₁ = 5, y₁ = 12, a = 5, b = -1, c = 12. Substitute these into the formula:
d = (ax₁ + by₁ + c) / √(a² + b²)
d = (5×5 + (-1×12) + 12) / √(5² + (-1)²)
d = 25/√26 = 4.90 units
Therefore, the distance between the point and the line is 4.90 units. Option D is the answer
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A two-piece set of luggage costs 122 If sold individually, the large bag costs 30 more than the small bag. What are the individual costs for each bag?
Let x be the cost of the small bag.
The large bag costs x + 30 more than the small bag.
So the cost of the large bag is x + (x + 30) = 2x + 30
The two-piece set of luggage cost is the sum of the cost of the small and large bag, so
122 = x + (2x + 30)
Solving this equation for x, we get:
x = 42
Therefore, the small bag costs 42 dollars and the large bag costs 2*42 +30 = 114 dollars.
c) A Square Classroon with a length of 10cm
Answer:
p= 40cm squared
a= 100cm squared
Step-by-step explanation:
. . . .
Emily's score for a Mathematics test was 5% higher than her score for an English test. If Emily scored 84 points for the Mathematics test, how many points did she score for the English test?
Answer:
80 points
Step-by-step explanation:
If score in English is x points and score in math is 5% higher then score in math
y = x + 0.05x
where 0.05 = 5% expressed as decimal
0.05x refers to the 5% increase in score
y = math score
y = x(1 + 0.05)
y = 1.05x
Given score in math = 84 this becomes
84 = 1.05x
x = 84/1.05
x = 80
So Emily's score in English was 80 points
Simplify (2x-3)(5x squared-2x+7)
To simplify the expression (2x-3)(5x^2-2x+7), we can use the distributive property.
First, multiply 2x by each term inside the second parentheses:
2x * 5x^2 = 10x^3
2x * -2x = -4x^2
2x * 7 = 14x
Next, multiply -3 by each term inside the second parentheses:
-3 * 5x^2 = -15x^2
-3 * -2x = 6x
-3 * 7 = -21
Combine all the resulting terms:
10x^3 - 4x^2 + 14x - 15x^2 + 6x - 21
Now, combine like terms:
10x^3 - 19x^2 + 20x - 21
So, the simplified expression is 10x^3 - 19x^2 + 20x - 21.
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Helppppmeee pleaseeee
Answer:
In response to tissue injury, the body initiates a chemical signaling cascade that stimulates responses aimed at healing affected tissues. These signals activate leukocyte chemotaxis from the general circulation to sites of damage. These activated leukocytes produce cytokines that induce inflammatory responses [7].
Step-by-step explanation: