Answer:
The numbers are 30, 60, and 10
Step-by-step explanation:
Let's start by assigning variables to the three numbers.
We can call them x, y, and z.
From the problem, we know that:x + y + z = 100
We also know that the first number is a multiple of 15, so we can write:
x = 15a, where a is some integer.
Furthermore, we know that the second number (y) is ten times the third number (z), so we can write:
y = 10z
Now we can substitute equations (2) and (3) into equation (1) to get an equation in terms of z:
15a + 10z + z = 100
Simplifying, we get:
15a + 11z = 100
To find a possible solution for this equation, we can try different values of a and see if we get a whole number solution for z.
Let's start with a = 1. Substituting a = 1, we get:
15(1) + 11z = 100
z = (100 - 15)/11
z = 8.64
Since z is not a whole number, we need to try a different value of a.Let's try a = 2.
Substituting a = 2, we get:15(2) + 11z = 100
z = (100 - 30)/11
z = 6
Now we have a whole number solution for z. Substituting z = 6 into equations (2) and (3), we get:x = 15a = 15(2) = 30
y = 10z = 10(6) = 60So the three numbers are 30, 60, and 10.
Use the following financial information to find the entry you would make on an income statement for INCOME BEFORE TAXES for the year ended December 31, 2011: Gross Sales, $223,000; Sales Returns and Allowances, $11,200; Sales Discounts, $1,800; Merchandise Inventory, January 1, 2011, $67,600; Merchandise Inventory, December 31, 2011, $78,300; Net Purchases, $84,000; Freight In, $950; Salaries, $107,200; Rent, $19,500; Utilities, $1,450; Insurance, $2,150; and Income Tax, $14,900.
INCOME BEFORE TAXES for the year ended December 31, 2011 is $669.
how to find gross profit ?Gross Profit = Gross Sales - Sales Returns and Allowances - Sales Discounts - Cost of Goods Sold
Cost of Goods Sold = Beginning Inventory + Net Purchases + Freight In - Ending Inventory
Cost of Goods Sold = $67,600 + $84,000 + $950 - $78,300 = $74,250
Gross Profit = $223,000 - $11,200 - $1,800 - $74,250 = $135,750
Operating Expenses = Salaries + Rent + Utilities + Insurance = $107,200 + $19,500 + $1,450 + $2,150 = $130,300
Income Before Taxes = Gross Profit - Operating Expenses - Income Tax
Income Before Taxes = $135,750 - $130,300 - $14,900 = $669
Therefore, the entry for INCOME BEFORE TAXES for the year ended December 31, 2011 is $669.
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Jenny made $144 for 9 hours of work.
At the same rate, how much would she make for 12 hours of work?
Answer:
Step-by-step explanation:
the answer is 192
9hrs=$144
12hrs=X
you cross multiple
12x144/9
which give you $192
Answer:
Jenny made $144 for 9 hours of work so you divide 144 by 9 and you get 16.
$16 is the amount of money that Jenny makes in an hour. To check if it's correct you multiply 16 by 9 and you should get 144.
So, since the question wants you to find how much she makes for 12 hours of work, you multiply 16 times 12 and you should get 192.
In conclusion, Jenny makes $192 for 12 hours of work.
Let f (x) = x²e² the value of = lim [ƒ (x)]* i 1-lim is: 4x-
a)
b) 1
c) 0
d) 1 4e
Answer:
d) 1/(4e)
Step-by-step explanation:
You want the value of the limit of 1/4f(x)^(1/x) as x approaches -1, where f(x) = x^2·e^(x^2).
LimitThe function is continuous and defined at x=-1, so the limit can be evaluated directly.
[tex]\lim=\dfrac{1}{4}((-1)^2\cdot e^{(-1)^2})^{(1/-1)}=\dfrac{1}{4}(1\cdot e^1)^{-1}=\boxed{\dfrac{1}{4e}}[/tex]
Can someone please help me
A graph of A(x) and B(x) in the interval 0 ≤ x 100 on a cartesian coordinate is shown below.
The solution of A(x) = B(x) to the nearest integer is (35, 8).
What is an exponential function?In Mathematics, an exponential function can be represented or modeled by using the following mathematical equation:
[tex]f(x) = a(b)^x[/tex]
Where:
a represent the base value, vertical intercept, or y-intercept.b represent the slope or rate of change.x represent time.Based on the information provided about the two plans for speeding up its technical support time, we can logically deduce the following exponential functions;
[tex]A(x) = 15.7(0.98)^x \\\\B(x) = 11(0.99)^{x}[/tex]
By critically observing the graph of the two exponential functions, we can logically deduce that the point of intersection (solution) is in quadrant I, which is given by the ordered pair (35, 8).
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Kyra and some friends go to a climbing gym. She records how high each person climbed.
Answer:
what type of a question is this man can send me the full question so i can answer to you??
Answer: 12 1/2
Step-by-step explanation:
thats the answer
Can someone pls help me on this?
Worth 50 points!!
+
1st to answer gets Brainliest!!
The measure of the sector that represents the probability of the medicine curing one person is 216°. So correct option is A.
Describe Sector?In geometry, a sector is a region of a circle enclosed by two radii and an arc. The two radii form an angle, called the central angle, which defines the boundary of the sector.
The area of a sector can be calculated using the following formula:
Area of sector = (central angle / 360) * π * r²
where:
central angle is the angle formed by the two radii
r is the radius of the circle
π is the mathematical constant pi, which is approximately 3.14159
The perimeter of a sector is the sum of the length of the arc and the length of the two radii. The length of the arc can be calculated using the formula:
Length of arc = (central angle / 360) * 2 * π * r
Sectors are often used in real-world applications, such as calculating the area of a pizza slice or the distance traveled by a car in a circular racetrack. They are also used in trigonometry to calculate angles and side lengths of triangles formed by intersecting chords and tangents in circles.
The probability of the medicine curing one person is given by P(curing) = 3/5. Since the spinner is a circle of 360°, the measure of the sector that represents the probability of the medicine curing one person is:
360° × P(curing) = 360° × 3/5 = 216°
Therefore, the answer is A) 216 degrees.
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Precision Aviation had a profit margin of 8.50%, a total assets turnover of 1.5, and an equity multiplier of 1.8. What was the firm's ROE?
Answer:
Step-by-step explanation:
We can use the DuPont model to calculate the ROE (Return on Equity):
ROE = Profit margin * Total assets turnover * Equity multiplier
Substituting the given values, we get:
ROE = 0.085 * 1.5 * 1.8 = 0.2295 or 22.95%
Therefore, Precision Aviation's ROE was 22.95%.
How do I show a parallelogram that is not a rectangle with an area of 18 square units( the smallest square on the grid has an area of 1 square unit)
I need help with this please
From the calculation that we have in the question, the volume of the rectangular prism is 30 cm^3.
How do you find the volume of a rectangular prism?A rectangular prism, also known as a rectangular parallelepiped, is a three-dimensional shape that has six rectangular faces, where each pair of opposite faces are congruent and parallel. It can be thought of as a stretched cube, where the length, width, and height are all different.
We have that the volume of the rectangular prism is
V = lbh
V = 2 * 3 * 5
V = 30 cm^3
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Please help with this answer, I will give brainliest to whoever answers correctly.
Answer:
2cos(3ẞ/2)(sin(7ẞ/2) + cos(19ẞ/2))
Step-by-step explanation:
We can use the identity for the sum of two sines to rewrite the expression as follows
sin 4ẞ + sin 10ẞ = 2sin(7ẞ/2)cos(3ẞ/2)
Similarly, we can use the identity for the sum of two cosines to rewrite the expression as follows
22ẞ + sin 16ẞ = 2cos(19ẞ/2)cos(3ẞ/2)
Therefore, we have
sin 4ẞ + sin 10ẞ + 22ẞ + sin 16ẞ = 2sin(7ẞ/2)cos(3ẞ/2) + 2cos(19ẞ/2)cos(3ẞ/2)
Factoring out the common factor of cos(3ẞ/2), we get
sin 4ẞ + sin 10ẞ + 22ẞ + sin 16ẞ = 2cos(3ẞ/2)(sin(7ẞ/2) + cos(19ẞ/2))
Therefore, the expression can be expressed as a product of 2cos(3ẞ/2) and the sum of sin(7ẞ/2) and cos(19ẞ/2).
A javelin is being launched into the air 31 feet away from the launch site is a lamp. If the javelin is travelling vertically at 3 feet per second, what is the rate of change of the angle of elevation (θ) from the lamp to the javelin when the javelin is 37 feet off the ground?
The rate of change of the angle of elevation from the lamp to the javelin when the javelin is 37 feet off the ground is zero.
Rate of changeLet's denote the distance from the lamp to the point directly below the javelin by x, and the height of the javelin above the ground by y. Then we have two right triangles: one with legs x and y, and hypotenuse 31, and another with legs x and 37-y, and hypotenuse 37. Using the Pythagorean theorem, we can write:
x^2 + y^2 = 31^2
x^2 + (37-y)^2 = 37^2
Taking the derivative with respect to time t of both sides of each equation, we get:
2x(dx/dt) + 2y(dy/dt) = 0
2x(dx/dt) - 2(37-y)(dy/dt) = 0
Solving for (dy/dt) in terms of (dx/dt), we get:
(dy/dt) = x(dy/dx)/(-y+37)
At the given moment when the javelin is 37 feet off the ground, we have y = 37, and so:
(dy/dt) = x(dy/dx)/(-y+37) = x(dy/dx)/(-37+37) = 0
This means that the rate of change of the angle of elevation is zero at this moment. In other words, the angle of elevation is not changing at the moment when the javelin is 37 feet off the ground.
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Find X and if it's a decimal round to the nearest tenth. 50 points
Answer:
x = 40
Step-by-step explanation:
given a line DE parallel to a side AC of the triangle and intersecting the other two sides, it intersects those sides proportionally , that is
[tex]\frac{CE}{BE}[/tex] = [tex]\frac{AD}{BD}[/tex] ( substitute values )
[tex]\frac{25}{x-25}[/tex] = [tex]\frac{15}{24-15}[/tex]
[tex]\frac{25}{x-25}[/tex] = [tex]\frac{15}{9}[/tex] ( cross- multiply )
15(x - 25) = 9 × 25 = 225 ( divide both sides by 15 )
x - 25 = 15 ( add 25 to both sides )
x = 40
An oil tank has to be drained for maintenance. The tank is shaped like a cylinder that is 3 ft long with a diameter of 1.8 ft. Suppose oil is drained at a rate of 1.7 ft³ per minute. If the tank starts completely full, how many minutes will it take to empty the tank? Use the value 3.14 for pi, and round your answer to the nearest minute. Do not round any intermediate computations.
Answer:
4 minutes
Step-by-step explanation:
You want to know how long it takes to drain a cylindrical tank 1.8 ft in diameter and 3 ft long at the rate of 1.7 ft³/minute. (π = 3.14)
VolumeThe volume of a cylinder can be found using the formula ...
V = (π/4)d²h . . . . . . . diameter d, height h
Then the volume of the oil tank is ...
V = 3.14/4(1.8 ft)²(3 fft) = 7.6302 ft³
TimeThe time it takes to empty the tank is found by dividing the volume by the rate:
(7.6302 ft³)/(1.7 ft³/min) ≈ 4.49 min ≈ 4 min
It will take about 4 minutes to empty the tank.
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Ronaldo has three and three-sevenths sandwiches. He shares three-fourths of them with his family. How many sandwiches did Ronaldo share?
Ronaldo therefore feeds his family 2 and 4/7 sandwiches as he eats sandwiches that are three and three-sevenths .
what is unitary method ?A mathematical strategy for resolving proportionality issues is the unitary method. Finding the value of one unit of a quantity and utilising that value to determine the value of a different number of units of the same quantity is what this process entails. The unitary technique can be used, for instance, to determine the cost of any quantity of apples if you know that 5 apples cost $10. $10/5 = $2 would be the price of one apple. By multiplying the quantity of apples by the price of one apple, you could then calculate the price of any other number of apples. For instance, 8 apples would cost 8 x $2, or $16, to purchase.
given
Ronaldo eats sandwiches that are three and three-sevenths of a sandwich, which is an incorrect fraction:
3 3/7 = (7*3 + 3)/7 = 24/7
He divides these sandwiches into thirds and fourths among his family, making a total of:
(3/4) * (24/7) = (324)/(47) = 18/7
We can change this incorrect fraction into a mixed number because:
18/7 = 2 and 4/7
Ronaldo therefore feeds his family 2 and 4/7 sandwiches as he eats sandwiches that are three and three-sevenths .
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Tests show that the lives of light bulbs are
normally distributed with a mean of 750 hours
and a standard deviation of 75 hours. Find
the probability that a randomly selected light
bulb will last between 675 and 900 hours.
525 600 675 750 825 900 975
P = [?]%
Hint: use the 68 - 95 - 99.7 rule.
Enter
Answer: like three out of a thousand, would be likely to last less than 525 hours or more than 975 hours.
Step-by-step explanation:
normal distribution is shaped like a bell curve with the average (mean) at the center.
A light bulb in your problem is most likely to last about 750 hours. One standard deviation up from that would be 750 + 75, which is 825 hours, and one standard deviation down is 750 - 75, which is 675 hours.
According to the empirical rule, the interval from the average to +1 standard deviation (750 to 825) and the interval from the average to -1 standard deviation (675 to 725) each have a 34.1% probability.
From +1 to +2 standard deviations and -1 to -2 standard deviations (825 to 900 and 600 to 675) the probability is 13.5% for each interval.
From +2 to +3 standard deviations and -2 to -3 standard deviations (900 to 975 and 525 to 600) the probability is 2.1% for each interval.
These percentages are the same for any normal distribution problem. If you add up the chances you can find the probability a light bulb will last an increasing range of times centered around the average:
Within one standard deviation of the average: 68.3% (chance it will last 675 to 825 hours)
Within two standard deviations of the average: 95.4% (chance it will last 600 to 900 hours)
Within three standard deviations of the average: 99.7% (chance it will last 525 to 975 hours)
And only a very few, like three out of a thousand, would be likely to last less than 525 hours or more than 975 hours.
Please help me solve this differential equation problem. Please show as many steps as you can.
(b) u₁e^λ₁t +u₂e^λ₂t (pI-A)⁻¹ f₀e^pt f for p ≠λ₁ orλ₂ as the coefficients can only be determined when the value of p is not equal to either of the eigenvalues λ₁ or λ₂.
What is eigen values?Eigenvalues are scalars associated with a linear transformation or a matrix. They can be used to determine the stability of the system and describe the behavior of the transformation.
In this case, the eigen values λ₁ and λ₂ are constants, and the solution to the differential equation y' + Ay = f₀e^pt can be solved by using the method of undetermined coefficients.
This method involves using a linear combination of the eigenvectors, which are associated with the eigenvalues λ₁ and λ₂.
The solution for this differential equation is then given by u₁e^λ₁t +u₂e^λ₂t (pI-A)⁻¹ f₀e^pt f for p ≠ λ₁ or λ₂.
This is because the coefficients can only be determined when the value of p is not equal to either of the eigenvalues λ₁ or λ₂. If p is equal to one of these eigenvalues, then the solution cannot be determined as the coefficients become indeterminate.
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pls help fast!!! Find the equation of a line parallel to y=−3x−5that passes through the point (2,−1).
Thus, the equation of a parallel line with the slope -3 and passing point (2,−1) is found as : y = -3x + 5.
Explain about the parallel lines?Two or more lines that have been spaced the same apart, never merging but never diverging, are said to be parallel. Parallel lines run indefinitely in both directions because, as we mentioned earlier, lines are non-stop.
As long as they are consistently spaced at the same distance apart, they don't necessarily need to be straight lines.
equation of a line : y = −3x−5
Comparing with slope-intercept form of line.
y = mx + c
m is the slope and c is the y intercept.
m = -3
Parallel lines have the same slopes:
m = -3 and passing points (2,−1).
Using the point -slope equation:
y - y 1 = m(x - x1)
y + 1 = -3(x - 2)
y = -3x + 6 - 1
y = -3x + 5
Thus, the equation of a parallel line with the slope -3 and passing point (2,−1) is found as : y = -3x + 5.
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Complete question:
Find the equation of a line parallel to y=−3x−5that passes through the point (2,−1).
When 3x^2+18x–21=0 is written in the form (x–p)^2=q, what is the value of q?
The value of q is 16.
What is a quadratic equation?
Any equation can be written in the standard form where x is an unknown value, a, b, and c are known quantities, and a 0 is a quadratic equation. An equation containing a single variable of degree 2.
Here, we have
Given: Equation: 3x²+18x–21 = 0 is written in the form (x–p)²=q.
We have to find the value of q.
3x²+18x–21 = 0
3(x²+6x-7) = 0
x²+6x-7 = 0
(x+3)²-7-9 = 0
(x+3)² - 16 = 0
(x+3)² = 16
(x-p)² = q
Hence, the value of q is 16.
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Just 11 and 13 it’s simplifying linear Expressions
Based on the given task content; the solution to the linear expressions 4(2b + 2) - 3 and -4 + 8p - 6p - 5 + 20p is 8b + 5 and -9 + 22p respectively.
How to simplify linear expressions?11. 4(2b + 2) - 3
open parenthesis
= 8b + 8 - 3
= 8b + 5
12. -4 + 8p - 6p - 5 + 20p
combine like terms
-4 - 5 + 8p - 6p + 20p
= -9 + 22p
In conclusion, 8b + 5 and -9 + 22p is the solution to the linear expressions 4(2b + 2) - 3 and -4 + 8p - 6p - 5 + 20p respectively.
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Find the surface area of each of the following right prisms using the formula SA=LA+2B
Can you solve this quesiton?
f'(x)=?
By simplifying the derivative of f(x) is:,[tex]f'(x) = [10xsin(x)cos(x)(2sin(x) - cos(x)) - 10(x^2 + 2)sin^3(x) + 15(x^2 + 2)cos^3(x) + 20(x^2 + 2)sin^ 2 (x)cos(x)]/(sin(x)(2sin(x) - cos(x))^2 )[/tex]
What is derivative?A derivative is a mathematical cοncept that represents the rate at which a functiοn changes with respect tο οne οf its variables. In οther wοrds, the derivative measures hοw much the οutput οf a functiοn changes when yοu change the input by a small amοunt.
Tο find the derivative οf f(x), we will use the quοtient rule οf differentiatiοn.
Let's begin by simplifying the expression:
[tex]f(x) = [5(x^2 + 2) cot(x)]/[2 - cos(x) csc(x)][/tex]
[tex]f(x) = [5(x^2 + 2) cos(x)/sin(x)]/[2sin(x) - cos(x)][/tex]
[tex]f(x) = [5(x^2 + 2) cos(x)]/[sin(x)(2sin(x) - cos(x))][/tex]
Now we can apply the quotient rule:
[tex]f'(x) = [(5(x^2 + 2) cos(x))'sin(x)(2sin(x) - cos(x)) - (5(x^2 + 2) cos(x))(sin(x)(2sin(x) - cos(x)))']/(sin(x)(2sin(x) - cos(x))^2)[/tex]
To simplify, let's find the derivatives of the individual terms in the numerator:
[tex][(5(x^2+ 2) cos(x))'] = 10xcos(x) - 5(x^2+ 2)sin(x)[/tex]
[tex][(sin(x)(2sin(x) - cos(x)))'] = 3cos^2 (x) - 4sin^2(x)[/tex]
Now we can substitute these back into our original equation for f'(x):
[tex]f'(x) = [(10xcos(x) - 5(x^2 + 2)sin(x))sin(x)(2sin(x) - cos(x)) - (5(x^2 + 2) cos(x))(3cos^2(x) - 4sin^2 x))]/(sin(x)(2sin(x) - cos(x))^2)[/tex]
Simplifying further:
[tex]f'(x) = [10xsin(x)cos(x)(2sin(x) - cos(x)) - 5(x^2 + 2)sin^2 (x)(2sin(x) - cos(x)) - 15(x^2 + 2)cos^3(x) + 20(x^2 + 2)sin^2x)cos(x)]/(sin(x)(2sin(x) - cos(x))^2)[/tex]
[tex]f'(x) = [10xsin(x)cos(x)(2sin(x) - cos(x)) - 10(x^2 + 2)sin^3(x) + 15(x^2 + 2)cos^3(x) + 20(x^2+ 2)sin^ 2(x)cos(x)]/(sin(x)(2sin(x) - cos(x))^2)[/tex]
Therefore, the derivative of f(x) is:
[tex]f'(x) = [10xsin(x)cos(x)(2sin(x) - cos(x)) - 10(x^2 + 2)sin^3(x) + 15(x^2 + 2)cos^3(x) + 20(x^2 + 2)sin^2(x)cos(x)]/(sin(x)(2sin(x) - cos(x))^2)[/tex]
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Which of the following expressions is equal to 9?
4 x (one-half x 6) ÷ 3
6 ÷ (one-fourth x 3 x one and one-fourth)
8 + (one-third x 6) ÷ 5
10 − (one-fifth x 10) + 1
What is the measure of each interior angle of the regular polygon pictured below? If necessary, round to the nearest tenth.
[tex]\underset{in~degrees}{\textit{sum of all interior angles}}\\\\ n\theta = 180(n-2) ~~ \begin{cases} n=\stackrel{number~of}{sides}\\ \theta = \stackrel{degrees}{angle}\\[-0.5em] \hrulefill\\ n=5 \end{cases}\implies 5\theta =180(5-2) \\\\\\ 5\theta =180(3)\implies 5\theta =540\implies \theta =\cfrac{540}{5}\implies \theta =108[/tex]
When John waters, his plants each day he keeps track of how many liters he uses. He measures in 1/8 liter amounts, and never uses more than 1 L the amount he uses each day varies, but he figures that if all the amounts work evened out he uses 1/2 L a day how did John decide this?
matt mopped 1/40 of the floor every 1/4 hour.The area of the floor was 3,000 square feet.what is the unit rate in square feet per hour.which represents matt mopping the floor
Answer:
75 square feet
Step-by-step explanation:
you will just multiply by 1 over 40 as it is the ratio that he works in one hour
Find the area of a circle with diameter = 16 units.
Answer: ;)
The area of a circle is 64 square units
Step-by-step explanation:
Area of a circle a=64 square units in terms of
Step-by-step explanation:
Given that the diameter of a circle is 16
That is d=16
Therefore radius r=8
Now to find the area of a circle :Area of a circle square units
Substitute r=8 we get
Area of a circle
Therefore the area of a cicle is 64 square units
Area of a circle a=64 square units in terms of
Use distributive property to evaluate 4(2x-1) when x=6.
The answer is 44.
What is unitary method?
"A method to find a single unit value from a multiple unit value and to find a multiple unit value from a single unit value."
We always count the unit or amount value first and then calculate the more or less amount value.
For this reason, this procedure is called a unified procedure.
Many set values are found by multiplying the set value by the number of sets.
A set value is obtained by dividing many set values by the number of sets.
4*(12-1)
44
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a tourist bought a statue at a discount of 20% with 13% VAT and got Rs 416 back for VAT airport, what was the labeled price of the statue ?
Let the labeled price be 100x
20% discount, sale price = 80x
13% of 80x = 13x*4/5= 52x/5 = 10.4x
10.4x = 416
100x = ?
100/10.4 X416 = 41600/10.4 = Rs 4, 000 ANSWER
Which economic system has no government involvement in the market? a. capitalism b. communism c. socialism d. No economic system is free from government involvement. Please select the best answer from the choices provided A B C D Mark this and return
Answer: D is correct.
Step-by-step explanation:
The economic system that has no government involvement in the market is d. No economic system is free from government involvement.
In reality, there is no government intervention because at some point the government will comes in , this could actually be minimal, only in the free market is where there is no government intervention.
It should be noted that in this free market, there is an unregulated system of economic exchange, where the act of taxes collection as well as quality controls, has no economic interventions which can be attributed to the government. Because of this, option D is correct.
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5 by 5 grid y=3-1/2x
Answer:
46_ parce que c'est comme ça