Answer:
there is no value of v that makes quadrilateral PQRS a parallelogram.
Step-by-step explanation:
Hopefully this helps, may be wrong so...
A quadrilateral is a parallelogram if and only if opposite angles are equal. Therefore, in order for quadrilateral PQRS to be a parallelogram, angle P must be equal to angle S, and angle Q must be equal to angle R. From the given information, we know that:
angle P = v + 38°
angle S = 8v - 56°
angle Q = v + 98°
angle R = 6v - 72°
To find the value of v that makes quadrilateral PQRS a parallelogram, we must set angle P equal to angle S and angle Q equal to angle R:
v + 38° = 8v - 56°
v + 98° = 6v - 72°
Solving for v in the first equation:
v + 38° = 8v - 56°
-7v = -94°
v = 13.428571428571429
Solving for v in the second equation:
v + 98° = 6v - 72°
-5v = -170°
v = 34
We can see that both values of v do not match, therefore there is no value of v that makes quadrilateral PQRS a parallelogram.
A quadrilateral is a parallelogram if and only if the opposite angles are equal. In this case, the opposite angles are P and S, and Q and R.
Therefore, for the quadrilateral PQRS to be a parallelogram, we must have:
v+38° = 8v-56° and v+98° = 6v–72°
Solving the first equation for v:
v+38° = 8v-56°
38 = 7v
v = 38/7
Now we use this value of v to check if the second equation is true:
v+98° = 6v–72°
(38/7) +98 = 6(38/7) - 72
98 = -34
As we can see, the second equation is not true, so the value of v = 38/7 doesn't make quadrilateral PQRS a parallelogram.
No value of v exists that would make quadrilateral PQRS a parallelogram, as the opposite angles are not equal in this case.
QUESTION; 01. A sarveyor standing 25°SW of a tower measure the angle of elevation of the top of the tower as 46°30' from a position 23°SE from the tower the elevation of the top is 37°15'. Determine the height of the tower if the distance between the two observations is 75m.
When you know the tower's height, you may calculate your distance from it.The answer is 92.54 feet .
Determine the height of the tower ?When you know the tower's height, you may calculate your distance from it.The tangent of the angle of elevation multiplied by the horizontal distance, or doing the calculation, is all that is required to manually determine the height.
30° vertical angle from A to the tower's summit
50 + x is the horizontal separation between A and the tower's base.
Call h to get the tower's height.
tan 30 = h / (50 + x) => 50 + x = h / tan 30 => x = h / tan 30 - 50 (1)
40° vertical angle from B to the tower's summit
The tower's base is x feet away from B in a horizontal direction.
ratio: x = h / tan40; tan40 = h / tan40 (2)
Consequently, (1) and (2) are equivalent.
Tan40 = Tan30 - 50 =
30 - 40 = 50 h/tan
1,7321h - 1,1918h = 50
0.5403h = 50
h = 50/0.5403 = 92.54
Response: 92.54 feet
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Find the value of k for which each equation has the following: a real double root two different double roots imagenary roots k^2x^2-8x 4
The value of k for which the equation has imaginary roots is k > ±2.
Function value of x intervalFor a quadratic equation of the form k²x²-8x+4 to have a real double root, the discriminant (b²-4ac) must be equal to zero. For this equation, the discriminant is (-8)² - 4 * k² * 4 = 64 - 16k².
For the discriminant to be equal to zero, 64 - 16k² = 0 and k² = 4. Therefore, the value of k for which the equation has a real double root is k = ±2.
For a quadratic equation of the form k²x²-8x+4 to have two different double roots, the discriminant (b²-4ac) must be greater than zero. For this equation, the discriminant is (-8)² - 4 * k² * 4 = 64 - 16k².
For the discriminant to be greater than zero, 64 - 16k² > 0 and k² < 4. Therefore, the value of k for which the equation has two different double roots is k < ±2.
For a quadratic equation of the form k²x²-8x+4 to have imaginary roots, the discriminant (b²-4ac) must be less than zero. For this equation, the discriminant is (-8)² - 4 * k^2 * 4 = 64 - 16k².
For the discriminant to be less than zero, 64 - 16k² < 0 and k² > 4. Therefore, the value of k for which the equation has imaginary roots is k > ±2.
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5/8 + 3/5 greater than 1
Answer: Yes
Step-by-step explanation:
First You need to find a common denominator between 5/8 and 3/5 so you can add them together.
The earliest common denominator between 8 and 5 is 40.
So you have to Multiply the numerator by whatever it takes the denomintor to reach 40.
So for 8 to reach 40 you have to multiply 8 by 5 so you must also multiple the numerator by 5 giving you 25 so your fraction becomes 25/40.
If you do the same for the other fraction you end with 24/40.
so 25/40 + 24/40 = 49/40 which is greater than 1
Isosceles trapezoid SCEL has parallel sides SC and EL. If vertices S (1,4) and C (3,0), then what are a possible set of points for E and L?
My teacher provided the answers on our review packet, but didn't show any steps whatsoever and didn't explain in class. Thanks for any help!
A possible set of coordinate points for E and L are; E(2, 8) and L(6, 0)
How to find the slope between two coordinates?
We are given the coordinate of the vertices S and C as;
S (1,4) and C (3,0)
Now, when two lines are parallel, it means that their slopes are equal. Now, formula to find the slope between two coordinates is;
Slope = (y₂ - y₁)/(x₂ - x₁)
Slope of SC = (0 - 4)/(3 - 1)
Slope pf SC = -2
Now, for EL to be parallel to SC, it must have a slope of -2. Thus;
Potential coordinates could be gotten by multiplying Coordinates of SC by 2 to get;
(2, 8) and (6, 0)
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what’s the domain of this function please help
3. Model Real Life A beehive has 9,268 fewer drone
bees than worker bees. There are 651 drone bees
in the beehive. How many worker bees are in the
beehive?
If the number of drone bees in the beehive is 9,268 fewer than the number of worker bees, we can set up an equation to represent the relationship:
Drone bees = Worker bees - 9,268
We know that there are 651 drone bees in the beehive, so we can substitute that value into the equation:
651 = Worker bees - 9,268
To find the number of worker bees, we need to solve for Worker bees. To do this, we need to add 9,268 to both sides of the equation:
651 + 9,268 = Worker bees
Worker bees = 9,919
So, there are 9,919 worker bees in the beehive.
A city has a population of 310,000 people. Suppose that each year the population grows by 8%. What will the population be after 14 years?
round your answer to the nearest whole number.
A square has sides that measure 8x + 5 inches. A rectangle has two sides that measure 4x - 5 inches and two sides that measure 12x + 15 inches.
For what value of x will the perimeters of the square and rectangle be the same?
Answer:
The perimeter of the square is 32x + 20 inches, and the perimeter of the rectangle is (4x - 5) + (4x - 5) + (12x + 15) + (12x + 15) = 32x + 20 inches.
So, to find the value of x that makes the perimeters the same, we set 32x + 20 = 32x + 20 and solve for x.
x = 0
Step-by-step explanation:
Part 1
The graph shown is that of a function, f. Determine (a) f(); (b) the domain; (c) all x-values such that f(x); and (d) the range.
Question content area bottom left
Part 1
a) f()
enter your response here
Part 2
b) Find the domain. Select the correct choice below and fill in the answer box to complete your choice.
A.
The domain is the set
.
(Use a comma to separate answers as needed.)
B.
The domain is the interval
enter your response here.
(Type your answer in interval notation.)
Part 3
c) Find all x-values such that f(x). Select the correct choice below and fill in the answer box to complete your choice.
A.
f(x) only for the specific value(s) x
enter your response here.
(Use a comma to separate answers as needed.)
B.
f(x) for all values of x in the interval
enter your response here.
(Type your answer in interval notation.)
Part 4
d) Find the range. Select the correct choice below and fill in the answer box to complete your choice.
A.
The range is the set
.
(Use a comma to separate answers as needed.)
B.
The range is the interval
enter your response here.
(Type your answer in interval notation.)
.
.
.
Question content area right
Part 1
-12
-10
-8
-6
-4
-2
2
4
6
8
10
12
-12
-10
-8
-6
-4
-2
2
4
6
8
10
12
x
y
A coordinate system has a horizontal x-axis labeled from negative 12 to 12 in increments of 1 and a vertical y-axis labeled from negative 12 to 12 in increments of 1. From left to right, a curve starts at a closed dot at (negative 5, negative 7), rises at a decreasing rate, flattens out to pass through (negative 2, 2), and rises at an increasing rate until it ends at a closed dot at (2, 10). The curve also passes through the points left parenthesis negative 4 comma negative 2 right parenthesis and left parenthesis negative 3 comma 1 right parenthesis.
Answer:
Step-by-step explanation:
Part one is when you need to do area/perimiter.
DO
2. A person has a beginning balance of $660. She pays $90 on the ninth day, and she charges $320 on the 28th day. What amount of interest is due on her account if it has an APR of 26 percent?
The amount of interest due on the account is $8.36.
What is the simple interest?The interest on a loan or deposit can be calculated using simple interest. In order to calculate it, multiply the principal amount by the interest rate and then by the number of time periods (usually in years).
We must first determine the number of days for which the interest will accrue in order to calculate the amount of interest owed on the account. Since the charge was made on the 28th day after the payment was made on the 9th day, the interest will accrue for 19 days instead of the 28 since the payment was made.
We then use the formula for simple interest: Interest = Principal x Rate x Time
In this instance, the Principal is the initial balance of $660, the Rate is the annual percentage rate (APR), which needs to be converted to decimal form by dividing by 100, and the Time is the total number of days over which interest will accrue (19 days).
The Interest = $660 × 0.26 × (19/365) = $8.36
Thus, the total amount of interest due on the account is $8.36.
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the fed is most likely to use which tool(s) to conduct monetary policy? group of answer choices open market operations discount rate interest on reserves (ior) rate required reserve ratio
The Federal Reserve uses three main tools to conduct monetary policy: Open Market Operations, the Discount Rate, and Interest on Reserves (IOR).
Open Market Operations involve the buying and selling of government securities in the open market, which impacts the money supply and interest rates. The Discount Rate is the interest rate the Federal Reserve charges commercial banks to borrow from it. A lower Discount Rate encourages borrowing, while a higher Discount Rate discourages borrowing. Interest on Reserves (IOR) is the interest rate the Federal Reserve pays commercial banks on their excess reserves. A higher IOR rate encourages banks to keep more of their funds in the form of reserves, while a lower IOR rate encourages banks to lend out more of their funds. The Required Reserve Ratio is also used to affect the money supply, as it determines the amount of reserves banks must keep on hand. An increase in the Required Reserve Ratio reduces the money supply, while a decrease in the Required Reserve Ratio increases the money supply.
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which of the following is true of a scientific theory? view available hint(s)for part a which of the following is true of a scientific theory? it generates testable hypotheses, is supported by a large body of evidence, and is broad in scope. it is only accepted after the person who formulated it has died. it is formulated by many scientists over drinks at a convention. it is a method or device that applies scientific knowledge for some specific purpose. it must demonstrate the effect of one variable by testing control groups and experimental groups.
Out of the following, the statement is It generates testable hypotheses, is supported by a large body of evidence, and is broad in scope is true of a scientific theory.
A scientific theory is a well-substantiated explanation of some aspect of the natural world that is acquired through the scientific method and repeatedly tested and confirmed through observation and experimentation. A scientific theory is not just an idea or speculation. It is a systematic way of organizing and interpreting observations that are based on facts and evidence. It is also open to being tested and disproved if new evidence arises.
A scientific theory must be supported by a large body of evidence from multiple sources to be considered valid. Furthermore, a scientific theory must be broad in scope and explain a wide range of phenomena. It must also generate testable hypotheses that can be tested and verified through experimentation and observation.
A scientific theory is not accepted until it is thoroughly tested and confirmed through numerous experiments and observations. Therefore, it is not accepted after the person who formulated it has died.
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Part A: Graph the piecewise function g(x) and determine the domain.
Part B: Determine the x-intercepts of g(x). Show all necessary calculations.
Part C: Describe the interval(s) in which the graph of g(x) is positive.
a) The graph of the piece-wise function is given by the image presented at the end of the answer.
b) The x-intercepts of the function are given as follows: x = -4, x = 0 and x = 19.
c) The graph of g(x) is positive on these following intervals: (-4,0) and (4,19).
What is a piece-wise function?A piece-wise function is a function that has different definitions, depending on the input of the function.
The definitions for the function in this problem are given as follows:
Left of x = 4.Right of x = 4.The features of the function are given as follows:
x-intercept: values of x for which the graph crosses the x-axis.Positive: values of x for which the graph of the function is above the x-axis.More can be learned about piece-wise functions at brainly.com/question/19358926
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Recall that lim f(x) = L means: For all € > 0 there is a 6 > 0 such that for all x satisfying 0 < Ix ~ cl < & we have that |f(x) - Ll < € What if the limit does not equal L? Think about what the means in €, 6 language. Consider the following phrases: 1.€ > 0 2.6 > 0 3.0 < Ix - cl < 6 4. Wf(x) - Ll > e 5. but 6. such that for all 7. there is some 8. there is some x such that Order these statements so that they form rigorous assertion that lim flx) + L and enter their reference numbers in the appropriate sequence in these boxes:
As per the given limit, the rigorous assertion of the function is a − δ < x < a + δ
In math term function is called as a relation between a set of inputs and a set of permissible outputs with the property that each input is related to exactly one output
Here we have given that the distance between two points a and b on a number line is given by |a−b|.
And we need to find the rigorous assertion of the function.
Then the statement is written as
=> |f(x)−L|<ε
And it can be be interpreted as the distance between f(x) and L is less than ε.
Here we have another statement that is written as
=> 0<|x−a|<δ
And it ma be interpreted as the value of x≠a and the distance between x and a is less than δ.
Here we have also important to look at the following equivalences for absolute value that the statement |f(x)−L|<ε is equivalent to the statement L−ε<f(x)<L+ε.
And the statement 0<|x−a|<δ is also equivalent to the statement a−δ<x<a+δ here we know that x≠a.
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An airplane travels 150 miles in 3/4 hour. What is the average speed of the airplane?
Answer:
200mph
Step-by-step explanation:
six hundred six and two thousand, three hundred seventy-one ten-thousandths in numerical form
Answer:606.02371
Step-by-step explanation:
The numerical representation of "six hundred six and two thousand, three hundred seventy-one ten-thousandths" is 606.02371.
Why do you think insurance companies offer uninsured/ underinsured coverage at a cheaper rate than collision coverage?
We can actually think that insurance companies offer uninsured/ underinsured coverage at a cheaper rate than collision coverage because the risk of a claim is typically lower for uninsured/underinsured coverage.
What is insurance?An agreement to provide compensation to another party in the event of a certain loss, damage, or injury is known as insurance, and it is a way to safeguard against financial loss. It is a type of risk management that is mostly applied to protect against the risk of a potential or unforeseen loss.
Collision coverage is for damage to the policyholder's own vehicle, while uninsured/underinsured coverage is for damage caused by another driver who does not have enough insurance to cover the costs of an accident. Since fewer drivers are uninsured or underinsured, the likelihood of a claim being made under that coverage is lower, and thus the cost is less.
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solve this system of equations by using the elimination method.
2x+6y=2 2x+2y=2
Answer: The elimination method is a method for solving a system of equations by eliminating one of the variables. One way to do this is to multiply one equation by a constant and then add or subtract it from the other equation to cancel out one of the variables.
We will start by multiplying the first equation by 3:
2x + 6y = 2 ----> 6x + 18y = 6
Now we will subtract the second equation from the modified first equation:
6x + 18y = 6
(2x + 2y = 2)
4x + 16y = 4
Now we can solve for one of the variables, we will solve for x:
4x = 4
x = 1
Now that we know x = 1, we can substitute this back into one of the original equations, for example the first one:
2x + 6y = 2
2(1) + 6y = 2
6y = 0
y = 0
So the solution to the system of equations is x = 1 and y = 0
Therefore, the solution is (1,0)
Step-by-step explanation:
hich of the following expressions is never a prime number when p is a prime number? (a. p2 16, b. p2 24, c. p2 26, d. p2 46, e. p2 96)
From the given expressions of prime numbers, the following are never a prime number:
Option b. p²+ 24
Option c. p²+ 26
Prime number is represented by 'p'
The expressions which can never be a prime number is given by :
Let us consider value of p = 1
a. p²+ 16
⇒1² + 16
⇒17 a prime number
b. p²+ 24
⇒1² + 24
⇒25 is not a prime number.
c. p²+ 26
⇒1² + 26
⇒27 is not a prime number.
d. p²+ 46
⇒1² + 46
⇒47 a prime number.
e. p²+ 96
⇒1² + 96
⇒97 a prime number.
Therefore, the expression represented by option b. p²+ 24 and option c. p²+ 26 can never be a prime number.
The above question is incomplete , the complete question is :
Which of the following expressions is never a prime number when p is a prime number?
a. p²+ 16 b. p²+ 24 c. p²+ 26 d. p²+ 46 e. p²+ 96
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The number of hours people spent jogging last week is shown in the histogram below.
Hours Spent Jogging
Number of People
12
10
8
S SP
2-
0 1 2 3 4 5
Number of Hours
Which of the following statements is true for the data?
A. The majority of people jogged between 1 hour and 4 hours.
CB. The majority of people jogged between 1 hour and 2 hours.
C. The majority of people jogged between 2 hours and 3 hours.
The majority of people jogged between 3 hours and 5 hours.
Copyright
The majority of people jogged between 1 hour and 4 hours , 1 hour and 2 hours , 2 hour and 3 hours , 3 hour and 5 hours is 8,8,8,6 respectively.
What is bar chart ?
Bar chart can be defined as the graph which represents the data of any given information.
Given ,
The number of hours people spent jogging last week is shown in the histogram from the given question ,
The majority of people jogged between 1 hour and 4 hours
4,8,6,2 is 8.
The majority of people jogged between 1 hour and 2 hours
4,8, is 8.
The majority of people jogged between 2 hour and 3 hours
8,6 is 8.
The majority of people jogged between 3 hour and 5 hours
6,2,4 is 6.
Hence, The majority of people jogged between 1 hour and 4 hours , 1 hour and 2 hours , 2 hour and 3 hours , 3 hour and 5 hours is 8,8,8,6 respectively.
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A Sulfa drug is to be given to a 130-pound patient at the rate of 2.5 mg per pound of body weight.
How many mL are necessary if the concentration of the drug is 200 mg per mL?
Answer:
1.625 mL
Step-by-step explanation:
2.5 mg per lb
For 130 lb, 130 × 2.5 mg = 325 mg are needed.
1 mL has 200 mg
1 mL is to 200 mg as x ml is to 325 mg
1/200 = x/325
200x = 325
x = 1.625
Answer 1.625 mL
sue is buying a new kitchen table. the table measure 6 feet by 4 feet how much space will be taken up by the table? draw a math sketch and write a number expression. explain your answer.
The space taken up by the table is 24 feet².
What is a rectangle?A rectangle is a two-dimensional shape where the length and width are different.
The area of a rectangle is given as:
Area = Length x width
We have,
Kitchen table = 6 feet by 4 feet
This means,
The table is a rectangle.
The area of the table.
= 6 x 4
= 24 feet²
Thus,
The area of the rectangle is 24 feet².
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The data set, {+3, -1, -2, +1} shows the moves a player made. Explain the meaning of zero in this situation.
The meaning of a zero in this situation shows that there was a time the player was in a steady position or without movement.
What is a data set?A data set is defined as the number of variables that makes up the data of an event, research or an experiment.
The data sets that was given are {+3, -1, -2, +1} which represent the number of moves that was made by a player.
But when a zero is included in that data set, this means that the player didn't make a move at the particular point in time.
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x=8+27y by substitution
The expression can be rewritten as -
y = (1/27)x - (8/27)
What are algebraic expressions?In mathematics, an expression or mathematical expression is a finite combination of symbols that is well-formed according to rules that depend on the context.Mathematical symbols can designate numbers (constants), variables, operations, functions, brackets, punctuation, and grouping to help determine order of operations and other aspects of logical syntax.Given is the expression as -
x = 8 + 27y
We can rewrite the expression as -
x = 8 + 27y
27y = x - 8
y = (1/27)x - (8/27)
Therefore, the expression can be rewritten as -
y = (1/27)x - (8/27)
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Which of the following describes the growth rate of the exponential function in the graph below?
For each x increase of 1, the y increases by a common difference of 3.
For each x increase of 1, the y increases by a common factor of 3.
For each x increase of 1, the y increases by 4 more than the previous increase.
For each x increase of 1, the y increases by doubling and then adding 1.
The correct option regarding the growth rate of the exponential function is given as follows:
For each x increase of 1, the y increases by a common factor of 3.
How to classify the functions?A function is classified as exponential if when the input variable is changed by one, the output variable is multiplied by a constant.
A function is classified as linear if when the input variable is changed by one, the output variable is increased/decreased by a constant.
As the function in this problem is exponential, the increase of the output y must be a common factor, purely.
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What is the quotient of the expression (5.04 × 10¹2) (6.3 × 109) written in scientific notation?
O 0.8 x 10³
0 8 x 10³
0 8 x 10²
O 0.8 x 1021
The quotient of the expression is 8 × 10² and option C is the correct answer.
What are exponents?The way of representing huge numbers in terms of powers is known as an exponent. Exponent, then, is the number of times a number has been multiplied by itself.
Adding exponents while maintaining the same base is the rule for multiplying like bases.
Exponents should be multiplied while bases are kept constant when bases are raised by a power of two or more.
Division Rule: When dividing like bases, maintain the base constant and deduct the exponent of the denominator from the exponent of the numerator.
Rewrite as fraction:
[tex]\frac{(5.04) (10^{12})}{(6.3)(10^9)}[/tex]
Simplify using exponent rule with same base [tex]\frac{a^n}{a^m} = a^{(n-m)}[/tex]:
[tex]\frac{(5.04) (10^{12-9})}{(6.3)}[/tex]
Calculate the sum or difference:
[tex]\frac{(5.04) (10^{3})}{(6.3)}[/tex]
Convert fraction into decimal: 0. 8 × 10³ = 8 × 10².
Hence, the quotient of the expression is 8 × 10² and option C is the correct answer.
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Alexandra invested 40% of his money in mutual funds, 40% in real estate, and 20% in stocks. If the value of the money that he invested in mutual funds, real estate, and stocks grew by 2%, 7%, and 11% respectively, what was the average growth on his total investment?
Answer:
To find the average growth on Alexandra's total investment, we need to calculate the weighted average of the growth in each of the three investments. The weighted average is calculated by multiplying the growth of each investment by its proportion of the total investment and then adding them together.
First, we need to calculate the total amount of money that Alexandra invested. Since he invested 40% in mutual funds, 40% in real estate, and 20% in stocks, we can assume he invested $100.
So the amount invested in mutual funds is 40/100 * $100 = $40
The amount invested in real estate is 40/100 * $100 = $40
The amount invested in stocks is 20/100 * $100 = $20
Then we can calculate the growth of each investment using the percentages provided:
The growth of mutual funds is 2/100 * $40 = $0.80
The growth of real estate is 7/100 * $40 = $2.80
The growth of stocks is 11/100 * $20 = $2.20
Now we can add up the growth of each investment and divide it by the total investment to find the average growth:
($0.80 + $2.80 + $2.20) / $100 = $5.80 / $100 = 0.058 or 5.8%
So the average growth on Alexandra's total investment is 5.8%.
I just need help with number 2 on box A. I can record the coordinates of the triangle.
The coordinates of the ends of the image are J'(x, y) = (- 7, 7), K'(x, y) = (- 5, 2) and L'(x, y) = (- 2, 3), whose transformation formula is P'(x, y) = P(x, y) + (0, - 2 · p). A representation of the figures is in the image shown below.
How to derive the reflection formula of a figure
In this problem we find a geometric locus generated by three points on Cartesian plane that is reflected over the x-axis, whose formula is shown below:
P'(x, y) = P(x, y) + (0, - 2 · p)
Where:
P(x, y) - Original pointP'(x, y) - Resulting pointp - y-Coordinate of the original point.If we know that J(x, y) = (- 7, - 7), K(x, y) = (- 5, - 2) and L(x, y) = (- 2, - 3), then the coordinates of the image are:
J'(x, y) = (- 7, - 7) + (0, 14)
J'(x, y) = (- 7, 7)
K'(x, y) = (- 5, - 2) + (0, 4)
K'(x, y) = (- 5, 2)
L'(x, y) = (- 2, - 3) + (0, 6)
L'(x, y) = (- 2, 3)
Now we proceed to graph both the geometric locus and its image.
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A group of students was surveyed in a middle school class. They were asked how many hours they work on math homework each week. The results from the survey were recorded.
Number of Hours | Total Number of Students
0 | 1
1 | 8
2 | 2
3 | 5
4 | 9
5 | 7
6 | 3
Determine the probability that a student studied for exactly 1 hour. Round to the nearest hundredth.
0.03
0.23
0.30
0.77
The probability that a student studied for exactly 1 hour is 0.23
How to determine the probability that a student studied for exactly 1 hour?Probability is a measure of the likelihood of a particular event occurring. It is a number between 0 and 1, with 0 indicating that an event is impossible and 1 indicating that an event is certain.
From the given table, you need notice that the number of students who study for 1 hour is 8.
In order to determine the probability that a student studied for exactly 1 hour, we need to find total number of students. That is:
Total number of student = 1 + 8 + 2 + 5 + 9 + 7 + 3 = 35
probability (exactly 1 hour) = number of exactly 1 hour/Total number
probability (exactly 1 hour) = 8/35 = 0.23
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Answer:
B
Step-by-step explanation:
Consider f(x) = 3x. Describe how the graph of each function compares to f.
The graph of f(x) = 3x is a vertical stretch with a factor of 3 of the graph of the parent function f(x) = x.
How to describe the transformation?The parent function for this problem is defined as follows:
f(x) = x.
The transformed function is given as follows:
f(x) = 3x.
The only transformation is a multiplication by the constant 3. As the constant has an absolute value greater than 1, the graph of f(x) = 3x is a vertical stretch with a factor of 3 of the graph of the parent function f(x) = x.
Missing InformationThe problem asks for how the graph of f(x) = 3x compares to the graph of f(x) = x.
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