Answer: a rotation 180 degrees about Z’
Step-by-step explanation: I just took the assignment :)
Answer:
a rotation 180 degrees about Z
Step-by-step explanation:
Correct answer on Edg.
Bob earns $60,000 a year at an accounting firm. Each year, he receives a raise. Bob has determined that the probability that he receives a 10% raise is 0.7, the probability that he earns a 3% raise is 0.2, and the probability that he earns a 2% raise is 0.1.A competing company has offered Bob a similar position for $65,000 a year. Bob wonders if he should take the new job or take his chances with his current jo
Answer:
He should keep his job.
Step-by-step explanation:
We know that there is a 70% chance that he willend up getting a 10% raise. A 10% raise will allow him to make 66000 dolllars, which is 1000 more than getting a new job.
There is a 30% chance that he will make about 3,100 dollars less than a new job. However, 30% is much lower than 70%, so this probably wont be the outcome. And over future years, if this remains constant, he will end up still making more money staying wiht his job.
Hope this helps!
linear equations finding the y-intercept
Answer:
m=1 b=0 equation: y=x
Step-by-step explanation:
slope formula to find m
(2-0)/(2-0)=2/2=1
y intercept is when x=0
so the y intercept is 0
y=mx+b
y=x
replacing m and b with 1 and 0
The question is ...(see the picture)
Thank you very much!!
Answer: \(3x^{-2.5}\)
Step-by-step explanation:
Given
Expression is
\(\dfrac{12\sqrt{x}}{4x^3}\)
Using exponent property \(x^a\cdot x^b=x^{a+b}\)
Writing expression in the form of \(k\cdot x^n\)
\(\Rightarrow \dfrac{12\sqrt{x}}{4x^3}=\dfrac{3\times 4}{4}\times \dfrac{x^{0.5}}{x^3}\\\\\Rightarrow \dfrac{3\times 4}{4}\times x^{0.5-3}\\\\\Rightarrow 3x^{-2.5}\)
PLS HELP WILL GIVE BRAINLIEST IF CORRECT (NO LINKS)
Identity ON.
Answer:
A) 23----------------
MPL and NPO are congruent central angles as marked.
Therefore the intercepted arcs have same measure:
mML = mON7x - 12 = 3x + 87x - 3x = 8 + 124x = 20x = 5Find ON:
mON = 3*5 + 8 = 15 + 8 = 23The length ON using concept of congruency is: 23
How to find the congruent side?There are different congruency postulates of triangles such as:
SAS - Side Angle Side Congruency Postulate
SSS - Side Side Side Congruency Postulate
ASA - Angle Side Angle Congruency Postulate
AAS - Angle Angle Side Congruency Postulate
HL - Hypotenuse Leg Congruency Postulate
From the image, we see that:
MP ≅ NP
PL ≅ PO
∠MPL ≅ ∠NPO
Thus, using CPCTC theorem, we have:
7x - 12 = 3x + 8
7x - 3x = 8 + 12
4x = 20
x = 5
ON = 3(5) + 8
ON = 23
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1. A zoo has 340 animals and then increases the number of animals by 5%. How many animals are at the zoo now?
30 points!
Answer:
357
Step-by-step explanation:
Multiply: 340*1.05=357
Reduce la siguiente expresión algebraica:
E(x,y)=x3y5+3y5x3+12x3y5−2y5x3
es para hoy
Answer:
123456789101112131415161718192021222324252627
the temperature is -56F. How many degreees below zero is the temperature?
The number of degrees below zero is given by A = 56° F
What is Modulus Function?Regardless of the sign, a modulus function returns the magnitude of a number. The absolute value function is another name for it.
It always gives a non-negative value of any number or variable. Modulus function is denoted as y = |x| or f(x) = |x|, where f: R → (0,∞) and x ∈ R.
The value of the modulus function is always non-negative. If f(x) is a modulus function , then we have:
If x is positive, then f(x) = x
If x = 0, then f(x) = 0
If x < 0, then f(x) = -x
Given data ,
Let the initial temperature be represented as T
Let the number of degrees below zero be A
Now , the value of T is
T = -56° F
From the modulus function , we get
The value of the modulus function is always non-negative.
So , the measure of A = | T |
A = | -56 |
A = 56° F
Hence , the number of degrees below zero is 56° F
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\( {x}^{2} - 9 \: {x }^{2} + x - 2\)
how do i do this?
what is the slope of the line that passes thru (7,-6) and (6,-6)
The slope of the straight line passing through the two given points is undefined which means the line is parallel to the y-axis.
Let us consider the two points A(x₁,y₁) and B(x₂,y₂) be the two points (7,-6) and (6,-6) on the cartesian coordinates.
Let the slope of the line joining A (7,-6) and B(6,-6) be m.
We know that the slope of a line is given by:
\(m=\frac{y_2-y_1}{x_2-x_1}\)
Slope of the line
= (6-7) / (-6+6)
= -1 / 0
= undefined
Since the slope is undefined we can say that the straight line is parallel to the y axis.
we know that tan 90° = ∞
So any line parallel to this line will have the same slope as the y axis.
Hence the slope of the given line is undefined or infinity.
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what is the property of 3x(5x7)=(3x5)7
The property you are referring to is called the associative property of multiplication. According to this property, when multiplying three numbers, the grouping of the numbers does not affect the result. In other words, you can change the grouping of the factors without changing the product.
In the equation you provided: 3x(5x7) = (3x5)7
The associative property allows us to group the factors in different ways without changing the result. So, whether we multiply 5 and 7 first, or multiply 3 and 5 first, the final product will be the same.
what is 35 divided into 2800 show your work
0.0125
Explanation:\(\begin{gathered} 35\text{ divided into 2800} \\ \\ We\text{ n}eed\text{ to find the number that divides 35 into 2800 places} \\ \text{This becomes:} \\ \frac{35}{2800} \end{gathered}\)\(\begin{gathered} 7\text{ divides the numerator and denominator:} \\ \frac{35}{2800}=\frac{5}{400} \\ \text{divide both numerator and denominator by 5:} \\ \frac{5}{400}\text{ = }\frac{1}{80}\text{ =0.0125} \\ \\ \text{Hence, }35\text{ into 2800 is 0.0125} \end{gathered}\)Archie bought 100 shares of stock in an ice cream company 2 years ago. He paid $60.65 per share. He just sold all of his shares for $67.68 per share. How much did he gain?
Answer:
Step-by-step explanation:
First, we need to find the difference between the price that he sold the shares for and the price that he bought them at: (67.68-60.65) = 7.03
That means that there was a gain of $7.03 per share for Archie.
That being said, since Archie bought 100 shares, we can multiply that number by 100 to find the total gain from selling the shares:
(7.03x100)= 703
The answer then is:
Archie gained $703 from selling all of his shares.
2a+c=162.97
how do you use the elimination method for this
When 'a' is 10, 'c' is approximately 142.97. You can repeat this process for different values of 'a' to find corresponding values of 'c'. Keep in mind that there are infinitely many solutions to this equation
To use the elimination method to solve the equation 2a + c = 162.97, we need another equation with the same variables. However, as there is only one equation given, we cannot apply the elimination method directly.
The elimination method typically involves adding or subtracting equations to eliminate one of the variables, resulting in a new equation with only one variable. Since we have only one equation, we don't have the opportunity to eliminate variables using another equation.
In this case, we can solve the given equation directly by isolating one variable in terms of the other. Let's solve for 'c':
2a + c = 162.97
Rearrange the equation to isolate 'c':
c = 162.97 - 2a
Now, we have an expression for 'c' in terms of 'a'. This equation represents a line in the 'a-c' coordinate plane. We can choose any value for 'a', substitute it into the equation, and calculate the corresponding 'c' value.
For example, let's say we choose 'a' = 10:
c = 162.97 - 2(10)
c = 162.97 - 20
c = 142.97
So, when 'a' is 10, 'c' is approximately 142.97.
You can repeat this process for different values of 'a' to find corresponding values of 'c'. Keep in mind that there are infinitely many solutions to this equation since we have one equation and two variables.
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Please look at photo. Thank you!
Polynomial and rational functions:
A) Find all x and y intercepts. Check all that apply:
X intercepts: 4, 0, 1, and/or none.
Y intercepts: 1, 4, 0 and/or none.
B) write the equations for all vertical and horizontal asymptotes. Enter the equations by writing “and” or “none” when necessary.
C) find the domain and range of f. Write each answer as an interval or union of intervals.
A) All x- and y-intercepts include the following:
x-intercepts: none.
y-intercept: 1.
B) The equation for vertical asymptote is x = 4 and the equation for horizontal asymptote is y = 0.
C) The domain and range of f are:
Domain = [-∞, 4) U [4, ∞]
Range = [0, ∞]
What is the x-intercept?In Mathematics, the x-intercept is the point at which the graph of a function crosses or touches the x-coordinate and the y-value or value of "y" is equal to zero (0).
Part A.
Based on the graph of this rational function, the x-intercept and y-intercept include the following:
x-intercept: none.
y-intercept: 1.
Part B.
An equation that represents the vertical asymptote is x = 4 while the equation represents the horizontal asymptote is y = 0 because the line does not cross those points.
Part C.
By critically observing the graph of this rational function, we can logically deduce the following domain and range:
Domain = [-∞, 4) U [4, ∞] or {x|x ≠ 4}.
Range = [0, ∞] or {y|y ≥ 0}.
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Determine if the following functions are bottom heavy, top heavy, or equal
Answer:
• (a)Bottom-Heavy, y=0
,• (b)Equal, y=1/3
,• (c)Top heavy, No horizontal asymptote
Explanation:
• A Rational function is bottom-heavy when ,the degree of the numerator is less than the degree of the denominator,.
,• A Rational function is top-heavy when ,the degree of the numerator is more than the degree of the denominator,.
,• It is balanced (or equal) when ,the degree of the numerator is equal to the degree of the denominator,.
Part A
\(\frac{x+2}{x^2+4x+11}\)The function is bottom-heavy.
Since the function is bottom-heavy, the horizontal asymptote is:
\(y=0\)Part B
\(\frac{x^2-5}{3x^2+4}\)The function is equal.
Since the function is equal, divide the leading coefficients to find the horizontal asymptote.
The horizontal asymptote is at y=1/3.
Part C
\(\frac{3x^4+x^2-2}{4x^2+3}\)The function is top-heavy.
Since it is top-heavy, it has no horizontal asymptote.
This wind would be called a
O south wind
O east wind
O southeast wind
O northwest wind
The wind can be called a southeast wind
because the direction of wind is between south and east so it will be called southeast wind
And hence the wind is moving to northwest direction
HOPE THIS HELPS :)Solve 5x÷6=20.
The solution is x=
There are 870 people attending a conference.if 8.9% were canda how many people is this
Answer:
77.43
Step-by-step explanation:
Answer:
77.43 people were canda
Step-by-step explanation:
To find 8.9% of 870, we first turn 8.9% into a decimal. We can do this by shifting the decimal point two places to the left. This gives us 0.089. Now, we multiply this decimal by 870. Our product, 77.43, is our final answer.
HELP PLEASE
i think i’m correct but i don’t know the answer for the last one at the bottom!!!
Answer:
7.07
Step-by-step explanation:
Please help. The question is in the attached image
∠G+∠H+∠J=180 and ∠K+∠L+∠M=180 from the angle sum property of triangle, ∠H=∠L (3rd Angle Theorem) and ∆GHJ≅∆KLM from ASA congruency theorem.
In the given question we have to prove ∆GHJ congrurnce ∆KLM.
Given that: ∠G≅∠K, ∠J≅∠M, \(\over{HJ}\) ≅ \(\over{LM}\).
As given that;
∠G≅∠K
∠J≅∠M
\(\over{HJ}\) ≅ \(\over{LM}\)
So from the angle sum property of triangle
∠G+∠H+∠J=180................(1)
∠K+∠L+∠M=180.................(2)
Now equation equation 1 and 2
∠G+∠H+∠J=∠K+∠L+∠M
As we know that ∠G=∠K, ∠J=∠M
So now the expression is
∠G+∠H+∠J=∠G+∠L+∠J
After solving ∠H=∠L (3rd Angle Theorem)
Since, ∠H=∠L, HJ=LM and ∠G=∠K, so from the theorem Angle Side Angle(ASA) congruency,
∆GHJ≅∆KLM
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BRAINLIEST TO CORRECT explain every specific step and rule to the answer of this problem
Answer:
40
Step-by-step explanation:
KCF
First you have the 10, to divide by a fraction you must put it over 1 which is 10/1. Then you Keep the first number which is 10/1. Then, change the sign,
10/1 x 1/4. Then, Flip 1/4 to 4/1, 10/1 x 4/1. Multiply.
= 40/1
Now simplify
=40
Brandon has been studying a lot and got 12 questions correct out of 15 on his Unit test. What
percentage of questions did Brandon get correct?
Answer: he got 80% correct
NO LINKS!! URGENT HELP PLEASE!!!
9. a. Finish the table
b. Name the type of sequence
c. Find an equation for the following sequence
Answer:
a. 0.9375, 0.46875
b. geometric sequence
c. equation: \( 7.5 * (\frac{1}{2})^(n-1)\)
Step-by-step explanation:
a.
The table can be finished as follows:
n t(n)
1 7.5
2 3.75
3. 1.875
4. 0.9375
5 0.46875
b.
The type of sequence is a geometric sequence.
A geometric sequence is a sequence of numbers where the ratio between any two consecutive terms is constant.
In this case, the ratio between any two consecutive terms is 3.75/7.5=½ ,
so the sequence is geometric.
c.
The equation for the sequence is t(n) = 7.5 * (1/2)^n.
This equation can be found by looking at the first term of the sequence (7.5) and the common ratio (1/2).
t(1) = 7.5
t(2) = 7.5 * (1/2) = 3.75
t(3) = 7.5 * (1/2)^2 = 1.875
The equation can also be found by looking at the general formula for a geometric sequence,
which is \(t(n) = a*r^{n-1}\)
In this case,
a = 7.5 r = 1/2.t(n) =\( 7.5 * (\frac{1}{2})^{n-1}\)
This is the required equation.
Answer:
\(\textsf{a.}\quad \begin{array}{|c|c|c|c|c|c|}\cline{1-6}\vphantom{\dfrac12} n&1&2&3&4&5\\\cline{1-6}\vphantom{\dfrac12}t(n)&7.5&3.75&1.875&0.9375&0.4687\\\cline{1-6}\end{array}\)
\(\textsf{b.} \quad \textsf{Geometric sequence.}\)
\(\textsf{c.} \quad t(n)=7.5(0.5)^{n-1}\)
Step-by-step explanation:
Before we can complete the table, we need to determine if the sequence is arithmetic or geometric.
To determine if a sequence is arithmetic or geometric, examine the pattern of the terms in the sequence.
In an arithmetic sequence, the difference between consecutive terms (called the common difference) remains constant.In a geometric sequence, the ratio between consecutive terms (called the common ratio) remains constant.Calculate the difference between consecutive terms by subtracting one term from the next:
\(t(2)-t(1)=3.75-7.5=-3.75\)
\(t(3)-t(2)=1.875-3.75 = -1,875\)
As the difference is not common, the sequence is not arithmetic.
Calculate the ratio between consecutive terms by dividing one term by the previous term.
\(\dfrac{t(2)}{t(1)}=\dfrac{3.75}{7.5}=0.5\)
\(\dfrac{t(3)}{t(2)}=\dfrac{1.875}{3.75}=0.5\)
As the ratio is common, the sequence is geometric.
To complete the table, multiply the preceding term by the common ratio 0.5 to calculate the next term:
\(t(4)=t(3) \times 0.5=1.875 \times 0.5=0.9375\)
\(t(5)=t(4) \times 0.5=0.9375 \times 0.5=0.46875\)
Therefore, the completed table is:
\(\begin{array}{|c|c|c|c|c|c|}\cline{1-6}\vphantom{\dfrac12} n&1&2&3&4&5\\\cline{1-6}\vphantom{\dfrac12}t(n)&7.5&3.75&1.875&0.9375&0.4687\\\cline{1-6}\end{array}\)
To find an equation for the sequence, use the general form of a geometric sequence:
\(\boxed{\begin{minipage}{5.5 cm}\underline{Geometric sequence}\\\\$a_n=ar^{n-1}$\\\\where:\\\phantom{ww}$\bullet$ $a$ is the first term. \\\phantom{ww}$\bullet$ $r$ is the common ratio.\\\phantom{ww}$\bullet$ $a_n$ is the $n$th term.\\\phantom{ww}$\bullet$ $n$ is the position of the term.\\\end{minipage}}\)
In this case, the first term is the value of t(n) when n = 1, so a = 7.5
We have already calculated the common ratio as being 0.5, so r = 0.5.
Substitute these values into the formula to create an equation for the sequence:
\(t(n)=7.5(0.5)^{n-1}\)
sin( 3pi/4 ) =
O A. 1/2
OB. -√2/2
O C. √3/2
O D. √2/2
Answer:
sin( 3pi/4 ) = -√2/2
So, B.
Match each function with the correct translation of the parent function f(x) = x.
160=1x1-4
f(x) = (x+4)
fx)=p+4
0
00
vertical translation down 4 units
horizontal translation right 4 units
horizontal translation left 4 units
vertical translation up 4 units
It is possible to translate the parent function f(x) = x using various transformations including vertical and horizontal translations. Each transformation will result in
the graph intersecting the x- or y-axis at a different point.
Function is an operation that takes an input, performs some processing on it, and returns a result. It is a set of instructions that performs a specific task. Functions are typically used to perform repetitive tasks, like finding the sum of two numbers, adding two strings together, or finding the maximum of a list of numbers. Functions are essential to programming and can be used to make code more organized, reusable, and efficient.
The function f(x) = x is the parent function for linear equations. This equation is generally used to graph a line with a slope of 1 and a y-intercept of (0, 0). In order to translate this parent function, different transformations are applied to it.
A vertical translation down 4 units would be represented by the equation f(x) = x - 4. This transformation would shift the graph of the parent function down 4 units on the y-axis. This would result in the graph intersecting the y-axis at the point (0, -4).
A horizontal translation right 4 units would be represented by the equation f(x) = x + 4. This transformation would shift the graph of the parent function right 4 units on the x-axis. This would result in the graph intersecting the x-axis at the point (4, 0).
A horizontal translation left 4 units would be represented by the equation f(x) = x - 4. This transformation would shift the graph of the parent function left 4 units on the x-axis. This would result in the graph intersecting the x-axis at the point (-4, 0).
Finally, a vertical translation up 4 units would be represented by the equation f(x) = x + 4. This transformation would shift the graph of the parent function up 4 units on the y-axis. This would result in the graph intersecting the y-axis at the point (0, 4).
In conclusion, it is possible to translate the parent function f(x) = x using various transformations including vertical and horizontal translations. Each transformation will result in the graph intersecting the x- or y-axis at a different point.
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Question 6 (1 point)
Astronomers often measure large distances using astronomical units (AU) where 1 AU is the average distance from Earth to
the Sun. In the image, d represents the distance from a star to the Sun. Using a technique called "stellar parallax,"
astronomers determined is 0.00001389 degrees. How far away is the star from the Sun in astronomical units? Show your
reasoning
NOT TO SCALE
Sun
d
star
0
1
Earth
I
Answer:4124966.126
Step-by-step explanation:
Distance between star from the sun is d = 4124966.128 AU
What is Trigonometry?
Trigonometry is the branch of mathematics that deals with particular angles functions and how to use those functions in calculations. There are six popular trigonometric functions for an angle.
The astronomical unit distance between the star and the Sun can be calculated using the trigonometric function.
As per the given data:
distance from Earth to the Sun (P) = 1 AU
θ = 0.00001389 degrees
From tanθ:
tanθ = P/B
{P = perpendicular and B = base}
From the diagram:
tanθ = 1/d
tan(0.00001389) = 1/d
d = 1/tan(0.00001389)
d = 4124966.128 AU
The separation between the sun and the star is d = 4124966.128 AU.
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n Circle E, if measure of arc AB = 140, find the m
Answer:
noob
Step-by-step explanation:
lol imagine not knowing, u noob
Ana works 25 hours a week at the library. If she is paid $10 an hour, and her net salary each week is $212.50, what percent of her salary is withheld for taxes?
Approximately 17.65% of Ana's salary is withheld for taxes.
To calculate the percentage of Ana's salary that is withheld for taxes, we need to determine the amount of tax withheld and then express it as a percentage of her net salary.
Number of hours worked per week (H) = 25 hours
Hourly wage (W) = $10
Net salary (S) = $212.50
Calculate the total earnings before taxes:
Total earnings = Hours worked * Hourly wage
Total earnings = 25 hours * $10/hour
Total earnings = $250
Determine the amount of tax withheld:
Tax withheld = Total earnings - Net salary
Tax withheld = $250 - $212.50
Tax withheld = $37.50
Calculate the percentage of salary withheld for taxes:
Percentage withheld = (Tax withheld / Net salary) * 100
Percentage withheld = ($37.50 / $212.50) * 100
Percentage withheld ≈ 17.65%
Therefore, approximately 17.65% of Ana's salary is withheld for taxes.
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Marla wants to buy a new tablet that cost $565, including tax. she saves $15 per week for 30 weeks . does Marla have enough money saved by the tablet? Explain.
Step-by-step explanation:
No she won't have enough money saved.
This is so because at the end of 30 weeks she would have saved only $450 and short by 115.
The customer service department of a company found that the relationship between the number of minutes a customer spends on hold when telephoning and the customer's level of satisfaction on a 10-point scale can be approximated by the equation y=10−0.1x
, where x
is the number of minutes on hold and y
is the level of satisfaction. What does 0.1 represent in the equation?
In the equation y = 10 - 0.1x, the coefficient 0.1 represents the slope of the line.
Define slopeit represents the rate of change of y with respect to x, which is the amount by which y changes for every unit increase in x.
In this case, the slope is negative (-0.1), which means that as the number of minutes on hold (x) increases by 1 unit, the level of satisfaction (y) decreases by 0.1 units.
In other words, the longer a customer spends on hold, the lower their level of satisfaction is likely to be. The slope is a key parameter in the equation and provides valuable information about the relationship between the two variables.
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