What is the measure of arc QSR?
Answer:
250°
Step-by-step explanation:
Answer:
250
Step-by-step explanation:
I did it
Patel Electronics wants to rent additional warehouse space. The floor space Patel
considerina
measures 125 feet by 84 feet.
Anouk Inc., the warehouse owner, has offered Pare
unan
nual rental rate of $8.75 per square foot. If Patel agrees to this amount, what will the
monthly rental charge Be ?
Answer:
$91875Step-by-step explanation:
Find the area of the warehouse:
125*84 = 10500 feet²Find the rental charge:
10500*8.75 = 91875Area
Length ×Breadth125(84)10500ft²Rental cost
8.75(10500)$91875I NEED HELP ON THIS FAST
4x+1/20x³ + 2⁹x²³-10X
Answer: \(5x^{2} +6x\)\(-4\)
Step-by-step explanation:
Synthetic division
Paul and n other runners compete in a marathon. Their times are independent
continuous r.v.s with CDF F: Show all your supporting work.
(a) For j = 1; 2; : : : ; n, let Aj be the event that anonymous runner j completes the
race faster than Paul. Explain whether the events Aj are independent, and whether they
are conditionally independent given Paul's time to nish the race.
(b) For the rest of this problem, let N be the number of runners who nish faster
than Paul. Find E(N):
(c) Find the conditional distribution of N; given that Pauls time to nish the
marathon is t:
(d) Find V ar(N):
What is Symmetry ?
In common parlance, the term "symmetry" describes a sense of lovely proportion and balance. A more exact meaning of "symmetry" can be found in mathematics, where it typically refers to an object that is unaffected by certain transformations like translation, reflection, rotation, or scaling.
A definition of symmetry in mathematics states that whether one shape is moved, rotated, or flipped, it exactly resembles the other shape. Just fold the paper, draw one-half of the heart at the fold, then cut it out to discover that the other half exactly matches the first half when you are instructed to cut out a "heart" from a piece of paper. The heart-shaped carving is an illustration of symmetry. Symmetry is defined in mathematics as "a mirror image." Symmetry is the property of an image that remains unchanged after a shape has been rotated or flipped. There are patterns in it. You may have heard the word "symmetry" quite a bit in modern times.
(A)
Any two indices will do i!=j Paul's time and the time of the ith runner are equally distributed and independent, hence according to the Symmetry, p (Ai) = p(Aj)= 1/2. Consider the intersection of Ai and Aj. Thus, Paul is outpaced by both runners I and j. There are 6 possible permutations of their times because they are i.id, with Paul being the slowest. P(Ai intersection Aj) hence equals 1/3.
But now wе have that P(Ai intersection Aj)= 1/3 != 1/4 = P(Ai)P(Aj)
thus, events They are not autonomous, Ai and Aj. However, they are only somewhat independent given Paul's timing. Paul can be removed from the narrative if such is the case. Then, only these two runners are left. Events As a result of their independent and equal distribution of times, Aj and AI are independent.
(B)
Define Ij as the random variable indication that indicates whether or not the jth runner is superior to Paul. via means of symmetry. We know p(Ij = 1)=1/2.
We determine that
E(N) = E(I1+I2 +.......In)
= nE(i1)
=nP(I1-1)
=n/2
using the linearity of expectation.
(C)
Paul's estimated time of completion is t The probability that each runner will finish ahead of Paul is P (time of rumer I t) = F. (t)
By using part (a), we can determine that other runners' times are independent of Paull's time, and that the number of runners who finish faster than Paul has a binomial distribution with the parameters n and F. To come to the conclusion that N/T= t Binom (n, F(t)) and if we choose T at random, N/T Binom (n, F(T)),
(D)
Let's figure out Var (N)
Var (N)=F(Var (N/T)) + Var(E(N/T))
= E(n F(T) (1- F(T)) + Var(on F(T))
according to Eve's Law.
Here, we can use the uniform distribution's universality to produce
F(T) ~Unif (0, 1) = U
Hence symmetry, which states that U I-U, leads to
Var(N) = nE(U2) + n2 var (U)
=n/3 + n2/12,
where E(U2)=1/3
Var(U)=1/12.
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Evaluate the iterated integral by converting to polar coordinates.
∫
2
−
2
∫
√
4
−
x
2
0
sin
(
x
2
+
y
2
)
d
y
d
x
To evaluate the iterated integral ∫[2, -2] ∫[0, √(4 - x^2)] sin(x^2 + y^2) dy dx using polar coordinates, we make the following substitutions:
x = r cosθ
y = r sinθ
The limits of integration for x and y need to be expressed in terms of r and θ.
For the limits of x:
When y = 0, we have x = √(4 - x^2) and solving for x, we get x = 2.
When y = √(4 - x^2), we have x = 0.
So, the limits for x in polar coordinates are θ = 0 to θ = π.
For the limits of y:
The region of integration lies within the circle of radius 2 centered at the origin. So, the limits for y in polar coordinates are r = 0 to r = 2.
Now, we need to express the differential element dy dx in terms of polar coordinates.
dy dx = |Jacobian| dr dθ
where |Jacobian| is the determinant of the Jacobian matrix.
The Jacobian matrix is given by:
[∂y/∂r ∂y/∂θ]
[∂x/∂r ∂x/∂θ]
Calculating the partial derivatives:
∂y/∂r = sinθ
∂y/∂θ = r cosθ
∂x/∂r = cosθ
∂x/∂θ = -r sinθ
Taking the determinant of the Jacobian matrix, we have:
|Jacobian| = (∂y/∂r)(∂x/∂θ) - (∂y/∂θ)(∂x/∂r) = (sinθ)(-r sinθ) - (r cosθ)(cosθ) = -r
Now, we can rewrite the integral in polar coordinates:
∫[2, -2] ∫[0, √(4 - x^2)] sin(x^2 + y^2) dy dx
= ∫[0, π] ∫[0, 2] r sin(r^2) |Jacobian| dr dθ
= ∫[0, π] ∫[0, 2] -r^2 sin(r^2) dr dθ
Integrating with respect to r first:
∫[-r^2 sin(r^2)] [0, 2] dr = [-cos(r^2)] [0, 2] = -cos(4) + 1
Now, we can integrate the result with respect to θ:
∫[-cos(4) + 1] [0, π] dθ = [θ - cos(4)θ] [0, π] = π - πcos(4)
Therefore, the value of the iterated integral ∫[2, -2] ∫[0, √(4 - x^2)] sin(x^2 + y^2) dy dx in polar coordinates is π - πcos(4).
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Please help me with the math
in a survey collecting data about the salaries earned by recent college graduates, li found that her salary was in the 82th percentile. should li be pleased or upset by this result? explain. (enter your percents as whole numbers.) li should ---select--- because her salary is relatively ---select--- compared to other recent college graduates. % of recent college graduates earn less than li does while % of recent college graduates earn more than li does.
Her salary is higher compared to 82% of the recent college graduates. Hence, Li should be pleased with her salary.
Percentiles are values that help determine the location of a score in a dataset. In statistics, a percentile is a measure that divides a dataset into 100 equal parts. As a result, the percentile is the percent of observations that are below or equal to a given value.
For example, a percentile of 90 indicates that 90 percent of the data is below or equal to the observed data point.Li's salary is in the 82th percentile, meaning that 82% of people who graduated from college recently earn less than Li does. Therefore, her salary is higher compared to 82% of the recent college graduates. Hence, Li should be pleased with her salary.
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A firm is evaluating a proposal which has an initial investment of $35,000 and has cash flows of $10,000 in year 1, $20,000 in year 2, and $10,000 in year 3. The payback period of the project is ________.
The payback period of the project is 2 years.
The payback period is a financial metric used to evaluate the time it takes for an investment to recoup its initial cost. It measures the length of time required for the cash inflows from the investment to equal or surpass the initial investment amount. In this case, the initial investment is $35,000, and the cash flows are $10,000 in year 1, $20,000 in year 2, and $10,000 in year 3. To calculate the payback period, we need to determine in which year the cumulative cash inflows will equal or exceed the initial investment.
By adding the cash flows year by year, we can see that at the end of year 1, the cumulative cash inflow is $10,000. By the end of year 2, the cumulative cash inflow becomes $30,000 ($10,000 from year 1 + $20,000 from year 2). Finally, at the end of year 3, the cumulative cash inflow reaches $40,000 ($10,000 from year 3).
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Solve the following inequality using the algebraic approach:
5 x minus 1 less-than 2 x + 11
a.
x less-than StartFraction 12 Over 7 EndFraction
b.
x less-than StartFraction 10 Over 3 EndFraction
c.
x less-than StartFraction 10 Over 7 EndFraction
d.
x less-than 4
Answer:
b. x less-than StartFraction 10 Over 3 End fraction
The solution for the given inequality is x<4. Therefore, option D is the correct answer.
Given that, 5x-1<2x+11.
What are inequalities?Inequalities are the mathematical expressions in which both sides are not equal. In inequality, unlike in equations, we compare two values. The equal sign in between is replaced by less than (or less than or equal to), greater than (or greater than or equal to), or not equal to sign.
Here, inequality 5x-1<2x+11 can be solved as follows
Add 1 on both the sides of inequality, we get
5x<2x+12
Subtract 2x on both the sides of inequality, we get
3x<12
Divide 3 on both the sides of inequality, we get
x<4
The solution for the given inequality is x<4. Therefore, option D is the correct answer.
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hich of the following properly describe “slope”? Select all that apply.
StartFraction y 2 minus y 1 Over x 2 minus x 1 EndFraction
StartFraction x 2 minus x 1 Over y 2 minus y 1 EndFraction
run / rise
rise / run
ratio of the change in y-values (rise) for a segment of the graph to the corresponding change in x-values (run)
The slope of the line can be calculated as \(m = \frac{\text{rise}}{\text{run}} = \frac{y_2 - y_1}{x_2 - x_1}\).
Correct options are (A) and (D).
What is the slope of the line?
In mathematics, the slope or gradient of a line is a number that describes both the direction and the steepness of the line.
As the definition of the slope says that it is the ratio of rise by run.
so we can make the formula as
\(m = \frac{\text{rise}}{\text{run}} = \frac{y_2 - y_1}{x_2 - x_1}\)
Hence, the slope of the line can be calculated as \(m = \frac{\text{rise}}{\text{run}} = \frac{y_2 - y_1}{x_2 - x_1}\).
for example lets have two points (9,1) and (8,4) so the value of the slope can be calculated as
4-1 / 8-9
3/-1
= -3
Therefore, the slope of the line passing through the given points is -3
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Retell the story problem in your own words:
Tarik makes two large game mats for a bean bag toss. One mat is square. and the other
is an equilateral triangle. The square has a side length of x + 3 feet. The equilateral triangle has a side length of 3x – 1 feet.
The perimeters of the mats are the same.
(I will rate you the brainliest!)
Answer:
There are two big game mats for terik to play bean bag toss. One is a equilateral triangle that has a side length of 3x-1 feet. The other one is a square with the side length of x+3 feet. The mats have the same perimeter.
Step-by-step explanation:
I need some help :(
The slope of the line passing through (4, 4) and (0, -2) is 1.5
What is an equation?An equation is an expression that shows how numbers and variables are related to each other using mathematical operations.
The slope of a straight line is the ratio of its rise to its run. It is given by:
Slope = Rise / Run
Hence, for the line shown passing through (4, 4) and (0, -2):
Slope = (-2 - 4) / (0 - 4) = 1.5
The slope of the line is 1.5
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What is the distance between the two campsites?
The distance between the two campsites which are campus F and campus G would be = 42.3. That is option C.
How to calculate the distance between the campuses?The distance between the two campsites is being illustrated with the aid of two similar triangles.
The scale factor of the triangle;
= dimensions of the new triangle/ dimensions of the actual triangle.
= 92/82.8
= 1.111111111
The distance between the two campsites = 47/1.111111111
= 42.3.
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Find the AGI and taxable income:
$23,670 and $12,400
$12,400 and $11,270
$11,270 and $23,670
$23,670 and $11,270
The AGI and taxable income is $23,670 and $11,270
How to calculate AGI(Adjusted gross income) ?
The AGI calculation can be done as,
It is determined by subtracting specified deductions, or "adjustments," that you are qualified to claim from the total income you report that is subject to income tax, such as wages from a job or self-employment, dividends, and interest from a bank account.Before you take the standard or itemized deductions, which you record in later sections of your tax return, your AGI is computed.We have given that,
Gross income = $23670
1 Exemption = $12400
Adjustment = 0
Deduction = 0
Find AGI and Taxable income
AGI = Adjusted gross income
we know,
AGI = Total income - Any deduction or any adjustment
AGI = ($23,670 + $12400) - (0 + 0)
AGI = $36070
Now, Calculate taxable income
Taxable income = Gross income - 1 Exemption
= $23670 - $12400
= $11,270
Hence, the AGI and taxable income is $36,070 and $11,270
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Answer: D is the answer
Step-by-step explanation:
$23,670 and $11,270
Mrs. Owen is teaching a 5th grade
class. She is standing 15 feet in front
of Lexi. Tony is sitting 8 feet to Lexi's
right. How far apart are Mrs. Owen and
Tony?
feet
Answer:
17 feet
Step-by-step explanation:
We have to use the pythagorean theorem, this is actually a bit more complicated than it seems at a first glance.
If Tony is 8 feet to Lexi's right, then we can form a triangle as such
I can't paste it (sorry)
but we can use the formula a^2+b^2=c^2, so 15^2=225, and 8^2=64, and 225+64=289, and \(\sqrt289=17\)
so they're 17 feet apart!
Someone pls help with this!
Answer: The last one. It has a proportional relationship of -4.
Step-by-step explanation:
Humberto evaluates the expression 4t 2 for t = 3. He correctly substitutes 3 for t in the expression, but then says that the value is 144. Fill in the blanks to explain Humberto’s error
The correct value of the expression is 36.
What is Expression?An expression is combination of variables, numbers and operators.
Given that Humberto evaluates the expression 4t² for t = 3.
He correctly substitutes 3 for t in the expression, but then says that the value is 144.
Humberto solution has an error the correct answer should be 36.
Humberto first multiplied 4 by 3 to get 12, then he multiplied 12 by itself to get 144.He should have first multiplied 12 by itself then he should multiplied the result 9 by 4.
The correct value of the expression is 36.
Hence, the correct value of the expression is 36.
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Urgent please help..
Answer:
Anong grade lalaki or babae
x equals 4y minus 2 help
In a certain state, % of adults indicated that sausage is their favorite pizza. Suppose a simple random sample of adults in the state of size is obtained and the number of adults who indicated that sausage is their favorite pizza was . What are values of the parameters n, p, and x in the binomial probability experiment?
Literally, binomial probability represents an experiment which has two possible outcomes.
The values of the parameters n, p, and x are 25, 50% and 16 respectively
The representations in binomial probability are:
n represents the sample sizex represents the selected samplep represents the proportion that supports the experimentFrom the complete question, we have:
25 adults are selected as the sample size50% of adults indicated that sausage is their favorite pizza16 adults indicate that sausage is their favorite pizzaThe above highlights mean that:
\(\mathbf{n = 25}\)
\(\mathbf{x = 16}\)
\(\mathbf{p =50\%}\)
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(1) what is the critical angle for light going from air (n = 1.0) into glass (n = 1.5) ?
The critical angle for light going from the air (n = 1.0) into the glass (n = 1.5) is 41.8 degrees.
When light travels from one medium to another, it changes its direction due to the change in the refractive index of the medium. The angle at which the light is refracted is determined by Snell's law, which states that the ratio of the sine of the angle of incidence to the sine of the angle of refraction is constant for a given pair of media. At a certain angle of incidence, known as the critical angle, the refracted angle becomes 90 degrees, and the light is no longer refracted but reflected into the first medium.
This critical angle can be calculated using the formula sinθc = n2/n1, where θc is the critical angle, n1 is the refractive index of the first medium (in this case, air), and n2 is the refractive index of the second medium (in this case, glass).
In this case, substituting the values n1 = 1.0 and n2 = 1.5 into the formula, we get sin θc = 1.5/1.0 = 1.5. However, since the sine of any angle cannot be greater than 1, there is no critical angle for light going from glass to air. Thus, the critical angle for light going from air to glass is given by sin θc = 1/n2/n1 = 1/1.5/1.0 = 0.6667, and taking the inverse sine of this value gives us the critical angle of 41.8 degrees.
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A lake has a surface area of 15.4 square miles. What is its surface area in square meters?
Which area on the illustration represents the largest reservoir of nitrogen on earth?
The largest reservoir of nitrogen on Earth is the atmosphere. Nitrogen gas (N2) makes up about 78% of Earth's atmosphere, making it the dominant component.
However, certain bacteria and other microorganisms can convert atmospheric nitrogen into a biologically usable form through a process called nitrogen fixation. This converted nitrogen can then enter the biosphere through various pathways, including through the soil, plants, and animals, and eventually returns to the atmosphere through processes such as denitrification and combustion. Nonetheless, the atmospheric reservoir remains the largest pool of nitrogen on Earth.
Nitrogen in the atmosphere is an essential element for life and plays a crucial role in various biological processes. However, the nitrogen present in the atmosphere cannot be directly utilized by most organisms. Instead, it must be converted into a usable form, such as ammonium (NH4+) or nitrate (NO3-).
This conversion primarily occurs through nitrogen fixation, carried out by specialized bacteria. These bacteria can be free-living or form symbiotic relationships with plants, such as legumes, where they reside in nodules on the plant roots. These bacteria convert atmospheric nitrogen into ammonium, which can then be taken up by plants and used to synthesize proteins and other essential molecules.
Through the food chain, nitrogen is passed on to animals and eventually returned to the soil through waste products and decomposition. Some of this nitrogen is released back into the atmosphere through denitrification, while the rest remains in the biosphere, forming smaller reservoirs compared to the atmospheric pool.
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I am stuck please help me with it
Answer:
1. Take the number after the rise and divide it by 1.02.
2. 52/1.3
3. 135 *1.1
4. 37.40*1.45
Step-by-step explanation:
A restaurant sells a refillable coffee mug for $7.75. Each refill costs $3.25. Last month Keith spent $82.75 on a mug and refills. Enter an equation you can use to find the number of refills that Keith bought. Let r represent the number of refills.
Answer:
82.75 = 3.25r + 7.75
Step-by-step explanation:
$82.75 is the total money spent last month
$7.75 is the cost of a refillable mug
$3.25 is the cost for every refill
pls i need this ASAP for a graded homework ill brainliest
Answer:
A) 7.5 feet, B) 6 feet, C)8.25 feet, D)4.875, E)15 feet, F)12.5 feet
Step-by-step explanation:
per inch, multiply by 1.5
Answer:
15
12
16.5
9.75
30
25
Step-by-step explanation:
The scale on a set of architectural drawings for a house is 1/2 inch = 1.5 feet. Find the length of each part of the house.
In my opinion, the easiest way to do this is to find how many feet equals 1 inch so that it is easier to multiply.
Multiply both sides of 1/2 inch = 1.5 feet to get
1 inch = 3 feet.
If every inch in the drawing equals 3 feet, then we can write this equation:
If s inches = 3s feet
We can use this a substitute the values given.
Now, let's dive into the problem.
1. Living room:
in this part, s=5, so 3s feet = 3 * 5 = 15 feet
2. Dining room:
s = 4, so 3s feet = 3 * 4 = 12 feet
3. Kitchen:
s = 5.5, so 3s feet = 3 * 5.5 = 16.5 feet
4. Laundry room:
s = 3.25, so 3s feet = 3 * 3.25 = 9.75 feet
5. Basement:
s = 10, so 3s feet = 3 * 10 = 30 feet
6. Garage
s = 8 + 1/3, so 3s feet = 3 * 8 1/3 = 25 feet
I hope this helps! Feel free to ask any questions!
How to write 8,99,999 in international system. I want this number but in words of international system
8,99,999 in international system:-
899,999= Eight hundred ninety-nine thousand nine hundred ninety-nine
Classify each polynomial by degree and by number of terms. Simplify first if necessary. (2a - 5) (a² - 1)
There are 4 terms in the simplified equation making it a quadrinomial
The result is Quadrinomial cubic
Start by simplifying the polynomial using the FOIL method:
Multiply one by one:
First multiply the term:
\((2a-5)(a^2-1)=(2a)(a^2-1) -5(a^2-1)\)
And, split out the terms, we get
\((2a-5)(a^2-1)=(2a)(a^2)+(2a)(-1)+(-5)(a^2)+(-5)(-2)\\\\(2a-5)(a^2-1)=2a^3-2a-5a^2+5\)
Now, the degree is equivalent to the highest exponent in the polynomial. So, the degree for this polynomial is 3 meaning its a cubic.
There are 4 terms in the simplified equation making it a quadrinomial
Hence, The result is Quadrinomial cubic .
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Help needed ASAP will give BRAINLIEST
Answer:
177.2 i think
Step-by-step explanation:
pls help i hate math. three forces act on an object. one force pulls right with 60n. the second pulls left with 30n. the third pulls left 20n. what is the net force?
Answer:
20 is.the net force act in object