Alexa's non-taxable income will be equal to $603.3.
What is an expression?The mathematical expression combines numerical variables and operations denoted by addition, subtraction, multiplication, and division signs.
Mathematical symbols can be used to represent numbers (constants), variables, operations, functions, brackets, punctuation, and grouping. They can also denote the logical syntax's operation order and other properties.
Given that Alyssa started working making $14.75 per hour. She worked a total of 48 hours during the last pay cycle. Her taxes totalled $104.22.
The non-taxable income will be calculated as,
Total income = 14.75 x 48 = 707.52
Non-taxable income = 707.52 - 104.22
Non-taxable income = $603.3
Therefore, Alexa's non-taxable income will be equal to $603.3.
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suppose the interval [-4,4]is divided into n=4 equal subintervals. what are the right endpoints, left endpoints, and midpoints of these intervals?
For the subintervals -
right endpoints: [2,4]left endpoints: [-4,-2]midpoints: [-2,0] and [0,2]Explain the term subintervals?Either of numerous smaller intervals through which a larger interval is divided. A division of an interval into subintervals is called a partition; the subintervals are the subintervals that make up the partition, in a sense. The width of a widest subinterval, not the partition's sidest subinterval, serves as the partition's norm.For the stated intervals;
interval [-4,4]
Total interval length;
= 4 - (-4)
= 4 + 4
= 8
Divide the interval in n=4 equal subintervals.
8/ 4 =2
First subinterval; [-4,-2]
Second subinterval; [-2,0]
Third subinterval; [0,2]
Fourth subinterval; [2,4]
Thus,
right endpoints: [2,4]
left endpoints: [-4,-2]
midpoints: [-2,0] and [0,2]
Thus, the subintervals of the given interval [-4,4] is obtained.
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From the parking lot at the red hill shopping center, the angle to the top of the hill is about 25°. From the base of the hill angle of elevation to the top of the hill is 55°. The horizontal distance between these two sight points is 740 feet. How high is red hill??
jenny buys 222222 sports drinks for her soccer team. they are on sale for \$0.35$0.35dollar sign, 0, point, 35 off per drink. jenny paid \$18.70$18.70dollar sign, 18, point, 70 for the 222222 sports drinks. what question does the equation 22(x-0.35)
The original cost of each sports drink that Jenny bought for her soccer team was $1.20.
Number of sports drink that Jenny bought for her soccer team
= 22
The amount of discount that Jenny got on each drink as they were on sale
= $0.35
Amount that Jenny paid for 22 sports drinks
= $18.70
Let the original cost of each sports drink be $x
Amount that Jenny paid for each drink
= $(x-0.35)
Therefore, amount that Jenny paid for 22 sports drink
= 22× (x-35) = 18.70
(x-0.35) = 18.70/22
x = 0.85 + 0.35
x = $1.20
The question is incomplete, the complete question is:
Jenny buys 22 sports drinks for her soccer team, they are on sale for $0.35 off per drink. Jenny paid $18.70 for 22 sports drink. How much does each drink cost originally?
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undergraduate students at a college belong to one of four groups depending on the year in which they are expected to graduate. each student must choose one of 21 differ- ent majors. how many students are needed to assure that there are two students expected to graduate in the same year who have the same major?
Maximum number of distinct majors/groups: 84 therefore, the 85th student must be the same as one of the 84 students.
What would a typical graduation date be?Date of anticipated graduation: May 15, 2020, or Spring 2020 for graduation (expected). Instead of expected or anticipated, you can use the word pending if you're presently working to finish your final semester.
Do I need to mention my anticipated graduation date on my resume?Employers may be able to see that you are actively pursuing your degree even though you haven't graduated by seeing your anticipated graduation date on your resume.
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A store receives `12` boxes that contain many different numbers of lemons. They weigh each box and then count the lemons. The data is in the scatter plot. A new box weighs `30` pounds. Approximately how many lemons are in the box?
answer - UR MOTHERRRRR
Answer:
12*30 is the answer
if u multiply it
Find the derivative for y=eu(x); u(x) is a function in terms of x.
The derivative for y=eu(x); u(x) is a function in terms of x is dy/dx = eu'(x) + u(x)e .
A derivative is the rate of change of a function with respect to a certain variable . There are certain rules of differentiation which help us to evaluate the derivatives of some particular functions. :
Power Rule.Sum and Difference Rule.Product Rule.Quotient Rule.Chain Rule.This equation can be solved using the product rule of derivatives :
According to the product rule derivative of uv will be taken as -
u(v)' + v(u)'
where (') represents derivative of the variable.
Therefore accordingly -
y = eu(x)
differentiating with respect to x
dy/dx = e(u(x))' + u(x)(e)'
dy/dx = eu'(x) + u(x)e ( derivative of e=e)
Therefore the derivative in terms of x is dy/dx = eu'(x) + u(x)e .
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At a particular restaurant, each mini hotdog has 60 calories and each mozzarella stick has 70 calories. A combination meal with mini hotdogs and mozzarella sticks is shown to have 1080 total calories and 5 more mini hotdogs than mozzarella sticks. Write a system of equations that could be used to determine the number of mini hotdogs in the combination meal and the number of mozzarella sticks in the combination meal. Define the variables that you use to write the system.
Answer:
the combination meal contains 18 mini hotdogs and 13 mozzarella sticks.
Step-by-step explanation:
To determine the number of mini hotdogs and mozzarella sticks in the combination meal, we can use the following system of equations:
Let x be the number of mini hotdogs in the combination meal.
Let y be the number of mozzarella sticks in the combination meal.
The first equation represents the total number of calories in the combination meal: 60x + 70y = 1080
The second equation represents the difference between the number of mini hotdogs and mozzarella sticks: x - y = 5
Thus, the system of equations is:
60x + 70y = 1080
x - y = 5
To solve this system, we can use a variety of methods, such as substitution or elimination. For example, we can eliminate x by adding the equations together, which yields:
60x + 70y = 1080
x - y = 5
60x - x + 70y - y = 1080 - 5
59x + 69y = 1075
Dividing both sides by 59, we find that x = 18.
Substituting this value into the second equation, we find that y = 18 - 5 = 13.
Therefore, the combination meal contains 18 mini hotdogs and 13 mozzarella sticks.
Answer:
There are 9 pizza rolls and 12 mini hotdogs in the combination meal.
Step-by-step explanation:
We are given the following in the question.
Let x be the number of pizza rolls sold and y be the number of mini hotdogs in the combination meal.
Total number of items in combination meal = 21
Thus, we can write the equation
Calorie in a pizza roll = 60
Calorie in a mini hotdog = 70
Total calories = 1380
Thus, we can write the equation
Solving the two equations, we get,
Thus, there are 9 pizza rolls and 12 mini hotdogs in the meal.
bailey tried to prove that \triangle fgj\sim \triangle fhi△fgj∼△fhitriangle, f, g, j, \sim, triangle, f, h, i in the following figure, but her proof is wrong.
The first error Bailey made was in the justification for his initial statement. The correct term to use is reflexive property.
What is the Reflexive Property of Congruence?An angle, line segment, or shape is always congruent to itself, according to the reflexive characteristic of congruence in geometry.
If A is an angle, then A is an angle.
Angle A intersects Angle A.
An angle will always be equal to or congruent to itself, according to the reflexive property of congruence.
So, for instance, given an angle, B, so:
∠B ≅ ∠B
Based on the reflexive property of congruence and the illustration provided:
∠F ≅ ∠F
Therefore, the first error Bailey made was in the justification for his initial statement. The correct term to use is reflexive property.
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Complete question;
Bailey tried to prove that FGJ~FHI in the following figure, but her proof is wrong. What is the first mistake Bailey made in the proof?
Maria was given this absolute value graph and needs to come up with the equation, domain, range and intercepts.
function is y = |x|..and from her knowledge with translations she knows that it has translated horizontally to the right 4 units.
So she says the new equation must be y = |x+4|. The domain is all values of x. The range is all values of y greater u
to zero. The y-intercept is (0,4). There isn't an x intercept, because it just sits at (4,0). can you find any errors in her solution?
Maria wrote incorrectly the function, it is:
y = |x - 4|
And:
Domain: all real numbers.Range: all real numbers equal to or larger than zero.y-intercept: (0, 4)x-intercept: (4, 0).There are errors in her solution?She started with the parent absolute value function:
y = |x|
And wrote a translation to the right as:
y = |x + 4|
That is her mistake, a translation to the right of N units is written as:
g(x)= f(x - N)
So for a translation to the right of 4 units, we need to subtract 4 to the input, the actual function that we can see on the graph is written as:
y = |x - 4|
Now, the y-intercept is what we get when we evaluate in x = 0:
y = |0 - 4| = 4
So the y-intercept is (0, 4).
The x-intercept is the value of x such that y = 0, so we need to solve:
|x - 4| = 0
x - 4 = 0
x = 4
The x-intercept is (4, 0).
Finally, the domain (like in all absolute value functions) is the set of all real numbers, and the range is the set of all real numbers equal to or larger than zero.
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3x + 1.5 = 2.5x + 4.7
Answer:
x = 6.4
Step-by-step explanation:
Answer: x=6.4
Step-by-step explanation:
if a sample of items is taken and the mean of the sample is outside the control limits, the process is:
If a sample of items is taken and the mean of the sample is out of control and the cause should be established producing high quality products.
The correct option is option (A).
When Statistical Process Control (SPC) samples an item and the mean of the sample is outside the control limits, the process is as follows. You don't have to worry within certain control limits using only natural sources of variation to produce under control within certain control limits. The process is said to be out of control and the cause should be investigated. That is, many sample points are outside the control limits, a sample of the item is taken, and the average of the samples is outside the control limits.
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Complete question:
In Statistical Process Control (SPC), if a sample of items is taken and the mean of the sample is outside the control limits, the process is:
a) out of control and the cause should be established producing high quality products b)in control and capable of producing within the established control limits in control,
c)there is no need for concern
d)within the established control limits with only natural causes of variation
Pls helppp it’s timed
The range of the graph shown is
range { y | y < 0 }
What is translation?When a figure is transported from one place to another without changing its size, shape, or orientation, a translation takes place.
How to find the rangeAll of a function's x-values, or inputs, make up the domain, and all of a function's y-values, or outputs, make up the range.
The graph's entire range, from lower to upper numbers vertically, represents the range.
The translation downwards, means that the graph moved down and considering the image of the attached graph, the effect of the translation means that the range to be numbers less than zero
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Why is square a regular polygon?
A Polygon is a closed figure made up of line segments (not curves) in a two-dimensional plane. Polygon is the combination of two words, i.e. poly (meaning many) and gon (meaning sides). Usually , a minimum of three line segments is required to connect end to end, to make a closed figure. In terms of geometry, a polygon is a plane figure that is described by a finite number of straight line segments (greater than 3) connected to form a closed polygonal chain.
A regular polygon is a polygon with sides equal in length and angles equal in measure. For example, a square has all four sides equal and all four angles equal to 90 degrees. Hence, it is a regular polygon.
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What is the measure of angle B in this triangle?
Enter your answer in the box.
m∠B=
By using the fact that the sum of all internal angles must be equal to 180°, we will see that the measure of angle B is 70°.
How to find the measure of angle B?Remember that the sum of the internal angles of a triangle is always equal to 180°, then we can write the linear equation:
40° + (2x - 30°) + (x + 20°) = 180°
(2x - 30°) + (x + 20°) = 180° - 40°
2x + x - 30° + 20° = 140°
3x = 140° + 30° - 20°
3x = 150°
x = 150°/3
x = 50°
Then the measure of angle B is (2x - 30°) = (2*50° - 30°) = 70°.
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The correct answer is 70
(-4,-2) and (4,0) in linear equations
Answer:
y = 1/4 x - 1
Step-by-step explanation:
y = mx + b
m = slope = (-2 - 0)/(-4 - 4) = -2/(-8) = 1/4
y = 1/4 x + b
0 = 1/4 × 4 + b
0 = 1 + b
b = -1
y = 1/4 x - 1
Pls I need help for Mid terms
Answer:
3x at the power of 2 -2x+21
ask for explanation if needed
(1 point) in the 6/51 lottery game, a player picks six numbers from 1 to 51. how many different choices does the player have if repetition is not allowed? note that the order of the numbers is not important. your answer is :
There are 18 million different choices for a player to pick six numbers from 1 to 51. By using the combinations formula, the required value is obtained.
What is the formula for finding the number of combinations?The combinations formula is as follows:
ⁿCₓ = n!/(n - x)!x!
Where n is the total number of things and x is the required number of things.
Calculation:It is given that,
In a 6/51 lottery game, a player picks six numbers from 1 to 51.
So, the number of different choices the player has if repetition is not allowed is
ⁿCₓ = n!/(n - x)!x!
Here, n = 51 and x = 6
On substituting the values, we get
⁵¹C₆ = 51!/(51 - 6)!6!
⇒ ⁵¹C₆ = 51!/45!6!
⇒ ⁵¹C₆ = (51 × 50 × 49 × 48 × 47 × 46 × 45!)/45! × 6!
⇒ ⁵¹C₆ = (51 × 50 × 49 × 48 × 47 × 46)/6 × 5 × 4 × 3 × 2 × 1
⇒ ⁵¹C₆ = 17 × 10 × 49 × 47 × 46 = 170 × 105938 = 18,009,460
Therefore, there are 18 million choices for the player to pick six numbers from a set of 51 numbers.
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(9x-6)ln(3)=(12x-8)ln(4)
solve for x with steps
Answer:
x = 2/3
Step-by-step explanation:
ln3^(9x-6) = ln4^(12x-8)
9x - 6 = 12x - 8
12x - 9x = -6 + 8
3x = 2
3/3 x = 2/3
x = 2/3
The Girl Scouts sponsor a Movie Night each year. In the first year, there were 26 participants. In the fourth year, there were 89 participants. Write an equation in slope-intercept form modeling this situation where y, number of participants, is a function of x, number of years. How many participants are predicted for the 6th year?
The required Slope-intercept form is y = 21x + 5 and the number of participants in the 6th year is 131.
Slope-intercept form:The slope-intercept form is One of the most common ways to describe a line's equation. The general form of a slope-intercept form is given by
y = mx + cWhere m is the slope and c is the y-intercept
And the formula for Slope is given by
Slope (m) = (y₂ - y₁)/ (x₂ - x₁)Here we have
Number of participants in 1st year = 26
Number of participants in 4th year = 89
Take number of years as x - coordinate
Number of participants as y - coordinate
As we know for 1 year, number of participants is 26
=> The pair of coordinates = (1, 26)
For 4th year, number of participants is 89
=> The pair of coordinates = (4, 89)
Now we will find the slope-intercept form for the situation
using the coordinates (1, 26) (4, 89)
As we know slope m = (y₂ - y₁)/(x₂- x₁)
Slope m = (89 - 26)/(4 - 1) = 63/3 = 21
As we know slope intercept form, y = mx + c
=> y = 21x + c --- (1)
As per the situation, Line (1) will pass through (1, 26)
=> 26 = 21(1) + c
=> c = 26 - 21
=> c = 5
=> y = 21x + 5
Therefore,
The required Slope-intercept form is y = 21x + 5
To find the number of participants in the 6th year, take x = 6
=> y = 21(6) + 5
=> y = 126 + 5
=> y = 131
Therefore,
The required Slope-intercept form is y = 21x + 5 and the number of participants in the 6th year is 131.
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Is quadrilateral ABCD a rectangle? Provide justification for your decision using the grid or by explanation.
As per the rules in geometry the given figure is rectangle
what is geometry?
Studying the dimensions, sizes, positions, angles, and shapes of objects is the subject of the mathematical branch known as geometry.
explanation:
1. ABC = 90 ................ other angles can be of any value.
2. AB = CD ............... AC and BD might not be equal.
For rectangle, all angles have to be equal (hence, 90) and opposite sides should be equal. Neither of the two statement helps in determining if the two requirements are satisfied or not.
Hence the given figure is Rectangle
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Fill in the blank random variable has either a finite or a countable number of values A discrete random variable has either a finite or a countable number of values. probability continuous discrete required
A discrete random variable has either a finite or a countable number of values.
Discrete random variables are defined as variables that can only take on a finite number of values. If any random variable takes a countable number of all the possible values, it is referred to be a discrete random variable. For instance, while flipping a coin, the random variable X will take the values 0, 1, and 2 depending on the number of heads.
If the value of any variable, such as X, is uncertain, that variable is said to be a random variable. It may also be defined as a function that is crucial in giving values to the results of any random experiment. Depending on the sort of numeric values they include, random variables can be either discrete or continuous.
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Find The Slope
The answer has to be in fraction form
Please help I need the answer asap
Thanks
Answer:
7/5
Step-by-step explanation:
Go up from the lower left point along the orange line 7 units.
7 units up = a rise of 7
Now go right on the orange line 5 units.
5 units right = a run of 5
slope = rise/run = 7/5
Answer: 7/5
how to construct a confidence interval of the population proportion given at the level of confidence
Answer:
Step-by-step explanation:
what i do not undersante
describe all numbers x that are at a distance 2 from the number 6
Answer:
x = 4 or x = 8
Step-by-step explanation:
6-2=4
6+2=8
All the numbers 'x' that are at a distance of 2 from the number 6 will be 4 and 8.
What is a number line?A number line refers to a straight line in mathematics that has numbers arranged at regular intervals or portions along its width. A number line is often shown horizontally and can be postponed in any direction.
The acronym PEMDAS stands for Parenthesis, Exponent, Multiplication, Division, Addition, and Subtraction. This approach is used to answer the problem correctly and completely.
All the numbers 'x' that are at a distance 2 from the number 6 are given as,
⇒ 6 ± 2
For a negative sign, then the number is given as,
⇒ 6 - 2
⇒ 4
For a positive sign, then the number is given as,
⇒ 6 + 2
⇒ 8
All the numbers 'x' that are at a distance of 2 from the number 6 will be 4 and 8.
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write 2 differnt expressions that involve only oots and powers of 2 which are equivalent 4 2/3 / 8 1/4
2 different expressions that involve only outs and powers of 2 which are equivalent 4 2/3 / 8 1/4
1) (4^2 * 2^-1 * 3^1) / (8^1 * 2^-2 * 4^-1)
2) (2^5 * 3^1) / (2^6 * 4^-1)
1) (4^2 * 2^-1 * 3^1) / (8^1 * 2^-2 * 4^-1)
This expression is equivalent to 4 2/3 / 8 1/4 because it is written in terms of powers of two. 4^2 is equal to 16, which is the numerator in 4 2/3. 2^-1 is the same as 1/2, which is the second fraction in 4 2/3. 3^1 is equal to 3, which is the numerator in 8 1/4. 8^1 is equal to 8, which is the denominator in 8 1/4. 2^-2 is the same as 1/4, which is the second fraction in 8 1/4. 4^-1 is equal to 1/4, which is the first fraction in 8 1/4. When all the terms are multiplied and divided, it is the same as 4 2/3 / 8 1/4.
2) (2^5 * 3^1) / (2^6 * 4^-1)
This expression is also equivalent to 4 2/3 / 8 1/4 because it is written similar to above equation.
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What is the image point of ( -1, -5) after a translation left 1 unit and up 4 units?
- 3/8 - 1/4 evaluate
The final solution of the given question is -0.625.
What are the denominator and numerator?
A fraction's top digit is always referred to as the numerator. It displays the number of our parts. A fraction's numerator—the lowest digit—is referred to as the denominator. It displays the overall number of pieces that something can be broken down into.
We have,
- 3/8 - 1/4
so, calculating the given values,
((-3) ÷ (8)) - (1 ÷ 4)
make the denominator the same by multiplying 1/4 by 2, we get,
((-3) ÷ (8)) - (2 ÷ 8)
add the numerator and one common denominator,
-3 - 2 ÷ 8
-5 ÷ 8
= -0.625
Hence, the final solution to the given question is -0.625.
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Fifteen less than twice a number is the same as the number plus two. What is the number?
The number is 17.
The first part is "Fifteen less than twice a number".
Let us say that n represents the unknown number.
Twice a number is the same as two times the number or 2n, and fifteen less than 2n is 2n−15.
The next part "is the same as the" part of the word problem indicating that the two parts are equal. So we use an equal sign to represent it⇒2n−15 =
The third part of the problem is "the number plus two". This is the same as n+2
The final equation is 2n-15=n+2
To solve for n, we would add 15 to both sides: 2n=n+17
Then subtract 1n from both sides: n=17
The number is 17.
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Evaluate the integral. ∫ x sec x tan x dx
The integral is ∫ x sec x tan x dx. We can solve it using integration by parts xln|sec(x) + tan(x)| - x + C
We have u = x, dv = sec(x)tan(x)dx, du = dx, and v = ln|sec(x) + tan(x)|.
The integral is then
Integrating the second part we get:
xln|sec(x) + tan(x)| - x + C
The integral is ∫ x sec x tan x dx. We can solve it using integration by parts. We let u = x and dv = sec(x)tan(x)dx. Then, du = dx and v = ln|sec(x) + tan(x)|. So, the integral becomes xln|sec(x) + tan(x)| - ∫ ln|sec(x) + tan(x)| dx. We can integrate the second part to get xln|sec(x) + tan(x)| - x + C.
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2. There are 108 feet in 36 yards. What is the
constant of proportionality that relates y, the
number of yards to x, the number of feet?
Answer:
x=36
Step-by-step explanation:
Based on the given conditions, formulate: x = 108 / 3
Cross out the common factor: x = 36
get the result: x = 36
Answer: x = 36
Answer: 36
Step-by-step explanation:
