As per the FIFO algorithm, there have been a total of 13 page faults.
The FIFO algorithm is a page replacement strategy used in operating systems to manage the allocation of memory frames to pages.
For the given reference string of
=> 1, 2, 3, 4, 5, 3, 4, 1, 6, 7, 8, 7, 8, 9, 7, 8, 9, 5, 4, 5, 4, 2
with four-page frames, we can see that there will be multiple page faults. Initially, all four frames are empty, so there will be four page faults as the first four pages are brought into memory.
Then, when page 5 is needed, the oldest page in memory, page 1, is replaced leading to another page fault.
As the reference string continues, there are several page faults that occur as pages are replaced
By the end of the reference string, there have been a total of 13 page faults.
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Assume 2. 0 kg of apples is 1 dozen and that each apple has 8 seeds. How many seeds are in 14 kg of apples?.
Answer:56
Step-by-step explanation:
You divide 14kg by 2kg and get 7kg. So then you times 7kg by 8 seeds.
Hope this helps :)
The function f(x)=x√ is horizontally stretched by a factor of 2 to form function g(x).
What is the equation of g(x)?
The solution is , The equation of g(x) is g(x) = 2*x^(1/2).
What is function?Function, in mathematics, an expression, rule, or law that defines a relationship between one variable (the independent variable) and another variable.
here, we have,
given that,
The original function f(x) is defined
as f(x) = x^(1/2)
which is the square root of x.
When the function is stretched horizontally by a factor of 2,
the x term becomes 2x.
So the new function g(x) is defined
as g(x) = 2*x^(1/2)
Hence, The solution is , The equation of g(x) is g(x) = 2*x^(1/2).
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A basketball player has made 13 out of 20 free throws so far this season. How many
consecutive free throws must the basketball player make to raise the free throw average
to 0.75? Justify your answer.
Answer:
Step-by-step explanation:
x=8
Mr adbul made tuna and curry potato filling for ome puff. 3/5 of the filling he made wa tuna and the ret wa curry potato
Answer is 2 5/8 tuna filling at first.
How much tuna filling did he make at first?At first, he made 2 5/8 kg of tuna filling.
M r Abdul made tuna and curry potato filling for some puffs.
3/5 of the filling he made was tuna and the rest was curry potato.
So, amount of curry potato = 1- 3/5 = 2/5
Ratio of tuna & curry potato = tuna : curry potato
= 3/5 : 2/5 = 3 : 2
Let amount of tuna = 3x & amount of curry potato = 2x
After he used 1/8kg of the tuna filling and made another 3/4 kg of curry potato filling.
According to the question, he then had equal amounts of tuna filling and curry potato filling left.
So, 3x - 1/8 = 2x + 3/4
Multiplying 8 in both sides we get,
⇒ 24x - 1 = 16x +6
⇒ 24x - 16x = 7
⇒ 8x = 7
⇒ x = 7/8
So, 3x = (3×7/8) = 21/8 kg = 2 5/8 tuna filling at first.
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A rectangular field, 400 m long, has an area of 6 hectares. Calculate the perimeter of the field [ 1 hectare=10000m2] What's the answer to this question and what is the way to solve it!
The perimeter of this rectangular field is equal to 1,100 meters.
How to calculate the area of a rectangle?Mathematically, the area of a rectangle can be calculated by using this formula:
A = LW
Where:
A represents the area of a rectangle.W represents the width of a rectangle.L represents the length of a rectangle.Note: Area = 6 × 10,000 = 60,000 m^2.
Next, we would determine the width of this rectangle:
60,000 = 400W
W = 60,000 /400
Width, W = 150 m.
Mathematically, the perimeter of a rectangle can be calculated by using this mathematical expression;
Perimeter of a rectangle = 2(L + W)
Perimeter of a rectangle = 2(400 + 150)
Perimeter of a rectangle = 2(550)
Perimeter of a rectangle = 1,100 meters.
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The perimeter of the rectangular field with an area of 6 hectares and length of 400m is 1100 meters.
What is the perimeter of the field?The perimeter of a rectangle is expressed as;
P = 2( length + width )
Given the data in the question;
Length of the field = 400m Area of the field = 60,000m²Width of the field = ?First, we determine the width of the field using the area formula.
Area = Length × width
Plug in the values and solve for width
60,000m² = 400m × width
60,000m² / 400m = Width
Width = 150m
Now, the perimeter will be;
P = 2( 400 + 150 )
P = 2( 550 )
P = 1100 meters.
Therefore, the perimeter is 1100 meters.
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Name the seven types of quadrilaterals?
Different Quadrilateral Types
Trapezium.Parallelogram.Rectangle.Rhombus.Square.Kite.What is meant by quadrilateral?A polygon with four sides, four vertices, and four angles is called a closed quadrilateral. A polygon with four sides, such as a square, rectangle, or rhombus, is referred to as a quadrilateral.You are most likely currently staring at a computer screen that resembles a quadrilateral. Geometry lessons cover the quadrilateral as a geometrical shape.A polygon with four sides exactly is referred to as a quadrilateral. The fact that a quadrilateral has exactly four vertices and four angles is also implied by this. When discussing 2-D figures, it's common to talk about both the inside and the boundary (the line segments that make up the figure's edges).To learn more about quadrilaterals, refer to:
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Please help! Ordering angles least to greatest as well as side lengths
As side EG is the largest side at 15, and the greatest angle is the opposite side's angle, ∠F.
what is triangle ?Given that it consists of sides and three vertices, a triangle qualifies as a polygon. It connects to the fundamental geometric shapes. Triangle ABC is the term used to refer to such a triangle with the points A, B, and C. When the three points are not collinear, a unique plane and triangle in Geometric forms are discovered. Triangles are polygons because they have three sections and three corners. The points where the four structures of the triangle converge are referenced to as the triangle's corners. Three triangle angles are multiplied to yield 180 degrees.
given
Find the smallest angle by finding the angle opposite the smallest side, then the medium-sized angle by finding the angle opposite the medium-sized side .
Then the greatest angle by finding the angle opposite the largest side when there are three side lengths available.
As side FG is the smallest side at 7, and the smallest angle is the one across from it, ∠ E.
The opposing angle, ∠G, is the medium-sized angle, just as side EF is a medium-sized side as measured by 12.39.
As side EG is the largest side at 15, and the greatest angle is the opposite side's angle, ∠F.
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The complete question is :-
a) Order the angle measures m∠E , m∠F and m∠EGF from least to greatest ad well as side length .
Solve for x in the diagram below
The value of the variable x in the given right angle expression is; x = 11
How to solve right angle problems?We know that a right angle simply means an angle that is equal to 90 degrees.
Now, we see that the sum total of the angle in the diagram is 90 degrees and as such the sum of the two internal angles will be 90 degrees.
Thus;
5x + 35 = 90
Subtract 35 from both sides to get;
5x = 55
x = 55/5
x = 11
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Find the best approximation to a solution of the following systems of equations. What the value for x? 4x 2y = 0 x +y = 11 -2 2 1
The best approximation to a solution of the system of equations is x = -11 and y = 22.
A system of equations is a collection of two or more equations with the same variables. Solving a system of equations means finding the values of the variables that satisfy all the equations in the system.
In this case, you have a system of two equations:
4x + 2y = 0 and x + y = 11.
To find the best approximation to a solution of the system, we can use substitution or elimination methods.
First, we can isolate one of the variables in one of the equations.
=> 4x + 2y = 0.
Dividing both sides by 2, we get:
=> 2x + y = 0.
Now we have one equation in terms of one variable, which is y.
Next, we can substitute the expression for y from this equation into the second equation:
=> x + y = 11.
Replace y with -2x
=> x + (-2x) = 11.
=> -x = 11.
=> x = -11.
Finally, we can substitute the value for x back into one of the original equations to find the value of y.
Let's substitute x = -11 into the first equation:
=> 4(-11) + 2y = 0.
=> -44 + 2y = 0.
=> 2y = 44.
=> y = 22.
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how many faces edges and vertices does a rectangular prism have
A rectangular prism has 6 faces, 8 vertices and 12 edges.
What is rectangular prism?
A rectangular prism is a three-dimensional shape, that has six faces (two at the top and bottom and four are lateral faces). All the faces of the prism are rectangular in shape. Hence, there are three pairs of identical faces here. Due to its shape, a rectangular prism is also called a cuboid. A rectangular prism is a three-dimensional solid shape with six faces that including rectangular bases. A cuboid is also a rectangular prism. The cross-section of a cuboid and a rectangular prism is the same.
If all the faces of the prism are squares then the rectangular prism is a cube. The volume of a rectangular prism is a measure of the space inside the prism.
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Inverse Variation
Independent Practice
Suppose a camper took 2 h to ride around a resevoir at 10 mi/h at the beginning of the summer. By the end of the summer, she can ride around the resevoir in 1
h. What is her rate at the end of the summer?
A. 30 mi/h
B. 0.35 mi/h
C. 13.3 mi/h
D. 9.5 mi/h
Her rate at the end of the summer is 20 miles per hour.
What is her rate at the end of the summer?We can define the rate in this case as the change in position as a function of the time.
So, the rate would be something like a speed (exactly a speed, actually).
Initially, the camper travles at a rate of 10mi/h in 2 hours, so the total distance is:
d = (10mi/h)*2h = 20mi
And at the end of the sumer, the camper travels that distance in one hour, so the rate at the end of the summer is:
R = 20mi/1h = 20mi/h
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the position of the particle as a function of time is given by x(t) = e-(t - 3)2, where x is in meters and t is in seconds. what is the velocity of the particle, in meters per second, at t = 2.9 s?
For a particle having a position of function e^-(t - 3)², the velocity at 2.9s is obtained as 0.198008 m/s.
What is velocity?
The pace at which an object's position changes in relation to a frame of reference and time is what is meant by velocity. Although it may appear sophisticated, velocity is just the act of moving quickly in one direction. Since it is a vector quantity, the definition of velocity requires both magnitude (speed) and direction.
The position of a particle is denoted by a function x(t) = e^-(t - 3)², where x is the distance and t is the time.
Differentiate the function -
v(x) = d/dt(x) = d/dt[e^-(t - 3)²]
v(x) = e^-(t - 3)²[-2(t - 3)]
Now, substitute the value of t = 2.9 in the equation -
v(2.9) = e^-(2.9 - 3)²[-2(2.9 - 3)]
v(2.9) = e^-(-0.1)²[-2(-0.1)]
Use the exponent formula a^-b = 1/a^b -
v(2.9) = 1/e^(-0.1)²[0.2]
Square the digit (0.1) -
v(2.9) = 1/e^(0.01)[0.2]
Substitute the value ofe^0.01 = 1.01005 -
v(2.9) = (1/1.01005)[0.2]
Use the arithmetic operation of division -
v(2.9) = (0.99004)[0.2]
v(2.9) = 0.198008
Therefore, the velocity of the particle is 0.198008 m/s.
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a = [1 0 -4 0 3 -2 -2 6 3] b = [4 1 -4] Denote the columns of A by a1, a2, a3, and let W = Span {a1, a2, a3,}. a) is b in {a1, a2, a3,}? how many vectors are in {a1, a2, a3,}? is b in W?
If a = [tex]\left[\begin{array}{ccc}1&0&-4\\0&3&-2\\-2&6&3\end{array}\right][/tex] , b = [tex]\left[\begin{array}{ccc}4\\1\\-4\end{array}\right][/tex] and we denote the columns of A by a₁, a₂, a₃, and let W = Span {a₁, a₂, a₃,} , then b is not in {a₁, a₂, a₃} .
The Span of set of vectors is set of all linear combinations of those vectors. In other words, it's the set of all possible vectors that can be created by taking a weighted sum of the original vectors.
The span of a set of vectors is a subspace of the vector space in which the vectors lie, and it's the smallest subspace that contains all of the original vectors.
The vector b is not in {a₁,a₂,a₃} because "b" is not equal to any of the column vectors of A. Clearly, there are only 3 vectors in {a₁,a₂,a₃}.
The given question is incomplete , the complete question is
a = [tex]\left[\begin{array}{ccc}1&0&-4\\0&3&-2\\-2&6&3\end{array}\right][/tex] , b = [tex]\left[\begin{array}{ccc}4\\1\\-4\end{array}\right][/tex] . Denote the columns of A by a₁, a₂, a₃, and let W = Span {a₁, a₂, a₃,}. Is b in {a₁, a₂, a₃} ?
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The figure below shows a triangular wooden frame ABC. The side AD of the frame has rotted and needs to be replaced:
Triangle ABC has length of BC equal to 12 inches. A line segment DC joins the point D on AB with point C. Measure of angle ABC is 90 degrees, ACD is 15 degrees, and measure of angle DCB is 30 degrees.
What is the length of the wood that is needed to replace AD?
A. 6.2
B. 4.2
C. 6.9
D. 5.1
The length of the side AD that needed to be replaced is D. 5.1
What is a triangle?A triangle is a three-sided closed-plane figure formed by joining three noncolinear points. Based on the side property triangles are of three types they are Equilateral triangle, Scalene triangle, and Isosceles triangle.
We know, tan = opposite/adjacent.
tan30° = DB/12.
DB = 12×tan30°.
DB = 6.93.
Now, m∠BCA = 30° + 15° = 45°.
Therefore,
tan45° = (AD + DB)/12.
AD + DB = 12.
AD = 12 - 6.93.
AD = 5.1.
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Answer:
5.1
Step-by-step explanation: got right on test
Find the circumference of the circle
Answer:
C
Step-by-step explanation:
the circumference of a circle is
2×pi×r
r being the radius, which is half of the diameter.
in our case
r = 18/2 = 9 mm
so, the circumference is
2×3.14×9 = 18×3.14 = 56.52 mm
ochala bought a music system on hire purchase. He paid a total of sh 5,200 .if he started by paying a deposit of sh 2,300 for how many months did he pay the remaining money if each monthly installment was sh 2,900
What is the percent of increase from 40 to 48
-1 = 2x - y, 8x - 4y = -4 using substitution
Answer:
Infinitely many solutions
Explanation:
1) subtract “1” from both sides to get y by itself
Y=-2x-1
2) 4y+8x=-4 share a gcf of “4” so you can divide the whole equation by 4
y+2y=-1
Now substitute “-2x-1” as y
(-2x-1)+2x=-1
-2x and 2x cancel each other and so does -1 and -1
Hence, this system has infinitely many solutions
Answer:
x = 0, y = 1.
Step-by-step explanation:
We can solve for the variables x and y by using substitution. Let's start by solving the first equation for one of the variables:
-1 = 2x - y
y = 2x + 1
Next, we'll substitute y = 2x + 1 into the second equation:
8x - 4y = -4
8x - 4(2x + 1) = -4
Expanding the second equation:
8x - 8x - 4 = -4
-8x - 4 = -4
-8x = 0
x = 0
Finally, we can use one of the equations to find y:
y = 2x + 1
y = 2(0) + 1
y = 1
So, the solution is x = 0, y = 1.
Ellen has maxed out her credit card at $19,500 and vows not to make any other credit card purchases. Her credit card company charges 1. 5% interest per
month, and the minimum monthly payment is all interest due plus 3% of the principal balance. How much of the balance can Ellen pay down if she pays the
minimum payment only for 3 months? Round the answer to the nearest cent.
After three months, Alan would have paid off how many dollars?
Answer:
$538
Step-by-step explanation:
The minimum payment in the first month would be:
Minimum payment = 1.5% * $19,500 + 3% * $19,500 = $292.25
At the end of the first month, the balance would be:
Balance = $19,500 + $19,500 * 1.5% - $292.25 = $19,318.375
In the second month, the minimum payment would be:
Minimum payment = 1.5% * $19,318.375 + 3% * $19,318.375 = $291.26
At the end of the second month, the balance would be:
Balance = $19,318.375 + $19,318.375 * 1.5% - $291.27 = $19,138.89
In the third month, the minimum payment would be:
Minimum payment = 1.5% * $19,138.89 + 3% * $19,138.89 = $290.26
At the end of the third month, the balance would be:
Balance = $19,138.89 + $19,138.89 * 1.5% - $290.26 = $18,961.62
So, Ellen would have paid off $19,500 - $18,961.62 = $538.38. The answer rounded to the nearest cent is $538
Compare the rates to find which is greater.
49 meters in 28 hours or 56 meters in 40 hours
Answer:
Step-by-step explanation:
Equivalent rates can be used to compare different sets of quantities that have the same value. A rate that compares a quantity to one is called a unit rate. The unit rate has a denominator equal to one when written as a fraction. Unit rates can be used to find larger equivalent rates.In a unit rate, the denominator is always 1. So, to find unit rate, divide the denominator with the numerator in a way that the denominator becomes 1. For example, if 50km is covered in 5.5 hours, the unit rate will be 50km/5.5 hours = 9.09 km/hour
4. You are painting the roof of a
boathouse. You are going to
place the base of a ladder
3.2 feet from the boathouse.
How long does the ladder
need to be to reach the
roof of the boathouse?
K
3.2 ft
12.6 ft
Answer:
ladder has to be at least 13 ft long
Step-by-step explanation:
l = length of the ladder
12.6² + 3.2² = l²
l² = 158.76 + 10.24 = 169
√l² = l = √169 = 13
The ladder is the hypotenuse of a right triangle with sides 12.6 and 3.2
X^2-5x+2=0 select the two values of x that are roots of this equation
Therefore, using the discriminant approach, the two values of the roots of the equation X2-5x+2=0 are 4.56 and 0.44.
what is discriminant ?When use the formula to solve a problem, the "discriminant" is the value that helps in recognizing the various sorts of solutions. In a mathematical formula (a quadratic equation), it is a special function of a cross that reveals information out about bases of the equation. The "b" term must be square-rooted before the "a" term and "c" term may be isolated by four times to calculate the discriminant. It has a (delta) next to the letter "D" that stands for discrimination. Positive discriminant describes a quadratic equation with two unique real number solutions. Repeated positive integer solutions exist for a quadratic equation with a characteristic of zero. A negative discriminant reveals that none of the solutions is a real number.
given
x2 - 5x + 2 = 0
the roots of the equation
x = -b ±[tex]\frac{\sqrt{b^{2} - 4ac} }{2a}[/tex]
x = 5 ± [tex]\sqrt{17} / 2[/tex]
Therefore, using the discriminant approach, the two values of the roots of the equation X2-5x+2=0 are 4.56 and 0.44.
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Caroline has two pieces of fabric, one is 90 inches wide and the other is 36 inches wide. If she wishes to cut the fabric into equal pieces that are as wide as possible, how wide should she cut the pieces?
Caroline should cut the fabric into 63 inches wide each
What is word problem?A word problem is a math problem written out as a short story or scenario. Basically, it describes a realistic problem and asks you to imagine how you would solve it using math.
For example if a number is added to 20 and gives 50. what is the numbers
x+20 = 50
x = 50-20
x = 30
The total width of the pieces of fabrics = 90 + 36 = 126 inches
To cut the pieces into two equal part with maximum width, we divide the total width by 2
= 126/2
= 63 inches
therefore the fabric should be cut into 63 inches wide each
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Cora is using successive approximations to estimate a positive solution to f(x) = g(x), where f(x)=x2 - 8 and g(x)=2x - 4. The table shows her results for different input values of x. Use Cora's process to find the positive solution, to the nearest tenth, of f(x) = g(x)
The result will be the x value when the difference between the values of f(x) and g(x) is less than 0.1, which will be the positive solution to the nearest tenth of f(x)=g(x).
To find the positive solution, to the nearest tenth, of f(x)=g(x) using Cora's process, the steps are as follows:
Input the initial value of x, for example x=0.
Calculate f(x) and g(x):
f(x) = x2 - 8 = 0 - 8 = -8 g(x) = 2x - 4 = 0 - 4 = -4If f(x) is less than g(x), then x should be increased and vice versa.
Increase or decrease x accordingly and calculate the new values of f(x) and g(x).
Keep repeating steps 3 and 4 until the difference between the values of f(x) and g(x) is less than 0.1.
The result will be the x value when the difference between the values of f(x) and g(x) is less than 0.1, which will be the positive solution to the nearest tenth of f(x)=g(x).
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I dont understand may you please help me
Answer:4
Step-by-step explanation:
3
the sum of eleven and a number c
Answer:
11 + C
Step-by-step explanation:
Sum= +
You add 11 and C
If 3 lbs of fertilizer will cover 408 square feet of lawn, how many pounds would be needed to cover 1088
square feet?
One pound of nitrogen or mixed fertilizer is recommended per 1,000 square feet of lawn and your particular fertilizer contains 20% nitrogen.
How many pounds would be needed to cover 1088 square feet?
In order to calculate pounds per square foot you just need to do some simple math. Simply take the area (in square feet) you want to use as a measurement and divide the number of pounds you want to place on the area by that number.Two gallon cans of paint cover up to 800 square feet, which is enough to cover an average size room. This is the most common amount needed, especially when considering second coat coverage. Three gallon cans of paint cover up to 1200 square feet.Pounds or Pounds Force per Square Foot is a British (Imperial) and American pressure unit which is directly related to the psi pressure unit by a factor of 144 (1 sq ft = 12 in x 12 in = 144 sq in). 1 pound per square foot equals 47.8803 pascals.To learn more about pounds refers to:
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help this is literally due today
If the diameter of the pool is 24ft, the area is 452.16 ft²
How to find the area of the pool?Here we have a circular pool and we want to find its area.
Remember that the area of a circle of radius R is given by:
A = pi*R²
Where pi = 3.14
Here we want to define the diameter as a value between 12 and 24 ft, so I will use 24 ft.
The radius is half of that, then we have:
R = 24ft/2 = 12ft
Then the area of the pool is:
A = 3.14*(12 ft)² = 452.16 ft²
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If 5 glue sticks cost $9.65., then which equation would help determine the cost of 21 glue sticks?
.
5/$9.65 =21/
.
21/5=$9.65/
.
5/=21/$9.65
.
21/= $9.65/5
The equation which would help determine the cost of 21 glue sticks is 5 / 9.65 = 21 / x, where x is the cost of 21 glue sticks.
What is Proportion?Proportions are defined as the concept where two or more ratios are set to be equal to each other.
Suppose we have two ratio p : q and r : s.
If both these ratios are proportional, then we can write it as p: q : : r : s.
This is same as p : q = r : s or p/q = r/s
Given that,
Cost of 5 glue sticks = $9.65
Let x be the cost of 21 glue sticks.
Using proportional concept,
5 / 9.65 = 21 / x
Hence the equation is 5 / 9.65 = 21 / x
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(-4mn)³*(-2m²)³ How do I simplify this?
Simplifying the given expression can be rewritten as: [tex](512m^9n^3)[/tex].
Power RulesThe main power rules are presented below.
Multiplication with the same base: you should repeat the base and add the exponents.Division with the same base: you should repeat the base and subtract the exponents. Power. For this rule, you should repeat the base and multiply the exponents.Exponent negative - For this rule, you should write the reciprocal number with the exponent positive. Zero Exponent. When you have an exponent equal to zero, the result must be 1.For simplifying the given expression, it is necessary to apply the presented power rules previously.
The given expression is (-4mn)³*(-2m²)³. Thus,
Applying the rule - Power, you have:(-64m³n³) * [tex](-8m^6)[/tex]
Note that the rule should be apply in numbers and letters.
After that, you should apply the rule of Multiplication. See below:[tex](512m^9n^3)[/tex]
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solve for x
2x-24 4x+6
Answer:
x=33
Step-by-step explanation:
[tex]180=2x-24+4x+6[/tex]
[tex]180=6x-18[/tex]
[tex]198=6x[/tex]
[tex]x=33[/tex]