Answer:
the frequency of someone interru
Step-by-step explanation:
The correct answer is (d) noise. Unwanted sound that is regarded loud, unpleasant, or disruptive to hearing is called noise.
What is noise?Even if the label "unwanted" is arbitrary, some sounds are frequently regarded as noise. A sound pressure level, expressed in decibels, is used to measure or anticipate noise (dB).
here, we have,
The measurements and noise meter used depend on the application; different noise metrics can account for magnitude, frequency, and time in different ways.
and, we have,
Another illustration is workplace noise, where the effect of noise on hearing loss is of utmost importance.
To offer a degree of exposure that can be associated to the possibility of hearing loss in employees exposed to the sound during the course of exposure, both the intensity and duration of sound are combined.
Hence, The correct answer is (d) noise. Unwanted sound that is regarded loud, unpleasant, or disruptive to hearing is called noise.
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Complete question:
ivan is trying to understand the concern of an angry customer, but several employees keep interrupting the conversion. these interruptions are an example of
Mayerlin wraps a gift box in the shape of a cube 5.5. How much wrapping paper did she use in square inches
Check the picture below.
so we really have six 5.5x5.5 squares
[tex]\stackrel{ \textit{Area for 6 squares} }{(6)(5.5)(5.5)}\implies \text{\LARGE 181.5}[/tex]
I need help with there’s problems
Answer:
3. x = 3, y = 1 --> = (3,1)
4. x = 2, y = 1 --> = (2,1)
Step-by-step explanation:
3.
x+5y =8
x = 8-5y
-x+2y=-1
-8+5y+2y=-1
7y-8=-1
7y=-1+8
7y=7
Divide 7 from both sides
y = 1
x=8-5y
x=8-5(1)
x = 3
4.
y=x-1
y=-2x+5
-2x+5=x-1
5=x-1+2x
5=3x-1
5+1=3x
6=3x
Divide 3 from both sides
2=x
x=2
Tommy goes to the video store and rents 2 video games for $3.99 each. He also rents the latest Sonic The Hedgehog movie for $3.50. He gives the clerk a twenty-dollar bill. How much change should Tommy receive?
Answer:
8.52
Step-by-step explanation:
add the two 3.99 making 7.98 then add 3.50 making 11.48 then substract that from 20.00 making the final answer 8.52
help pls offering 100 POINTS!!! nonsense will be reported and Banned. and offering brainiest
To find the area of the given circle we have to use the formula πr², where π=22/7 and r is radius of the circle. The area of the circle is 1519.76 square feet.
What is a circle?A circle is a closed two-dimensional figure in which all sets of points in the plane are equidistant from a specific point called the "center". A line passing through the circle forms a line of specular symmetry. It is also rotationally symmetrical about the center at any angle.
Solution for the area of the circle:
Given, radius = 22 feet
∴Area of the circle = πr²
= (22/7)×22²
= 3.14 × 484
= 1519.76 square feet
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who would make the most money in one week? a head mechanic working 25 hours, an assistant mechanic working 30 hours, a sales manager working 35 hours, a front desk clerk working 40 hours?
The one making the most money in one week is by sales manager which is an amount of $1006.25.
What is Unit Rate?Unit rate is the amount of one quantity for a unit amount of the other quantity.
Given that,
Hourly rate of a head mechanic = $37.52 per hour
Number of hours worked in a week = 25 hours
Money made = 25 × 37.52 = $938
Hourly rate of a assistant mechanic = $30.42 per hour
Number of hours worked in a week = 30 hours
Money made = 30 × 30.42 = $912.6
Hourly rate of a sales manager = $28.75 per hour
Number of hours worked in a week = 35 hours
Money made = 35 × 28.75 = $1006.25
Hourly rate of a front desk clerk = $15.09 per hour
Number of hours worked in a week = 40 hours
Money made = 40 × 15.09 = $603.6
Money most made is by sales manager.
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Your question is incomplete. The complete question is given as,
Who would make the most money in one week? a head mechanic working 25 hours with an hourly rate $37.52 per hour, an assistant mechanic working 30 hours with an hourly rate $30.42 per hour, a sales manager working 35 hours with an hourly rate $28.75 per hour, a front desk clerk working 40 hours with an hourly rate $15.09 per hour?
Sarai has 39 children. She goes to the hospital and has 39 more. If she keeps having children,how many will she have in 90 days? *Hint:39 x 90*
Answer:
it 39 ×90 for sure it 3510
You would like to retire 25 years from now and have a retirement fund from which you can draw
an income of $50,000 per year – forever! How can you do it? Assume a constant APR of 7%.
(What balance do you need to earn $50,000 from interest? How can you get to that balance?)
The future value earning need to save $527.13.
What is future value?The worth of a current asset at some point in the future based on an estimated rate of growth is known as future value (FV). For investors and financial planners, the future value is crucial because they use it to predict how much an investment made now will be worth in the future.
Here $50,000 now at 3% inflation will become 50000*1.03^250 after 20 years.
i.e. $121,363 is required in retirement years (for 20 years)
Calculate the PV of these payments 7% is calculated as below.
FV = 0; 1/y = 7%; n=20; PMT = 121363; calculate PV = $1,191,560
Now we want to get $1,191,560 at the start of retirement by saving per year to get the per month amount.
FV = 1191560; PV = 0; n= 12*35; 1/y = 7%/12; calculate PMT = $527.13
Hence you have to save $527.13 dollar per month.
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A new employee at a woodworking repair shop is asked to remove some minor stains from a wooden patio table. He decides to use grade 1 steel wool thinking that a higher grade of steel wool will be most effective in quickly removing the stains.
What faulty inference did the employee use to make this decision?
There is little difference between grade levels of steel wool.
The coarser the steel wool grade, the less steel wool needed.
The higher the steel wool grade, the less muscle power required.
The coarser the steel wool, the better for all woodworking repair jobs
The higher the steel wool grade, the less muscle power required.
What faulty inference did the employee use to make this decision?The faulty inference the employee used to make this decision is that a higher grade of steel wool will be more effective in quickly removing stains. In reality, higher grade steel wool is more abrasive and can actually damage the wood surface, leaving behind scratches and making the problem worse.
Grade 1 steel wool is the finest grade and is typically used for finishing and polishing wood. It is not suitable for removing stains, as it is not abrasive enough to remove the outer layer of the wood where the stain is located. To remove stains from wood, it is recommended to use a lower grade of steel wool or a non-abrasive cleaning solution specifically designed for wood.
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14 1/2 x 6 1/2 x 6 1/2
14[tex]\frac{1}{2}[/tex] x 6[tex]\frac{1}{2}[/tex] x 6[tex]\frac{1}{2}[/tex]
= 14[tex]\frac{1}{2}[/tex] x 36[tex]\frac{1}{4}[/tex]
= 504[tex]\frac{1}{8}[/tex]
Answer:
273/2
Step-by-step explanation:
Help me I dont know the answer
Answer: the length is 6
Step-by-step explanation:
3+3+6+6=18
3x6=18
Find the H.C.F by division method a) 30,45,60
The H.C.F. of 30, 45, and 60 using the division method is 30.
What is the HCF of the numbers?To find the H.C.F. (Highest Common Factor) of the given numbers using division method, we can follow these steps:
Step 1: Divide the larger number by the smaller number and find the remainder.Step 2: Now, divide the smaller number obtained in the previous step by the remainder.Step 3: Continue this process of dividing the previous divisor by the remainder until the remainder becomes zero.Step 4: The last divisor obtained in the above process is the H.C.F. of the given numbers.Let's apply this method to find the H.C.F. of 30, 45, and 60.
Step 1: We start by dividing the larger number, 60, by the smaller number, 30.
60 ÷ 30 = 2 with a remainder of 0
Step 2: Now, we divide the smaller number, 30, by the remainder, which is 0.
30 ÷ 0 = undefined
Since the remainder is zero, we stop the process here. The last divisor we obtained is 30. Therefore, the H.C.F. of 30, 45, and 60 is 30.
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A container holds 2 pounds of peanuts. How many ounces of peanuts are in the container? (1 pound = 16 ounces)
Answer: 32 Ounces
Step-by-step explanation:
The container holds 32 ounces because if there are 2 pounds of peanuts, and 1 pound = 16 ounces, then you multiply 16 by 2.
16 x 2 = 32
2(d-3)+5(d+2) = 4(d+6)-11
Given:-
[tex] \sf{2(d-3)+5(d+2) = 4(d+6)-11 }[/tex][tex] \: [/tex]
Solution:-
[tex] \sf{2(d-3)+5(d+2) = 4(d+6)-11 }[/tex][tex] \: [/tex]
[tex] \sf{2d - 6 + 5d + 10 = 4d + 24 - 11}[/tex][tex] \: [/tex]
[tex] \sf{2d + 5d - 4d = 24 - 11 + 6 - 10}[/tex][tex] \: [/tex]
[tex] \sf{7d - 4d = 13+6-10}[/tex][tex] \: [/tex]
[tex] \sf \: 3d = 19-10 [/tex][tex] \: [/tex]
[tex] \sf \: 3d = 9[/tex][tex] \: [/tex]
[tex] \sf \: d = \cancel \frac{9}{3} [/tex][tex] \: [/tex]
[tex] \underline{ \boxed{ \sf{ \color{pink}d = 3}}}[/tex][tex] \: [/tex]
━━━━━━━━━━━━━━━━━━━━━━━━
Hope it helps! :)
Simplify (4with an expponent of 4)−1 exponent too
Answer:
[tex]\frac{1}{256}[/tex]
Step-by-step explanation:
Given
[tex]\left(4^4\right)^{-1}[/tex]
We can use the power rule to multiply the exponents.
The power rule for exponents states
[tex]\left(a^b\right)^{c}=a^{bc}[/tex]
[tex]4^{4*-1}[/tex]
Multiply 4 by −1.
[tex]4^{-4}[/tex]
Rewrite the expression using the negative exponent rule.
The negative exponent rule states
[tex]a^{-b}=\frac{1}{a^b}[/tex]
[tex]\frac{1}{4^4}[/tex]
Raise 4 to the power of 4.
[tex]\frac{1}{256}[/tex]
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Margo borrows $2000 agreeing to pay it back with 8% annual
In response to the supplied query, we may state that Margo will thus interest have to repay a total of $2160 ($2000 + $160) every year until the debt is completely repaid.
what is interest ?By dividing the principal by the interest rate, the passage of time, and other factors, simple interest is determined. Simple return equals principle plus interest plus hours is the formula used in marketing. The easiest way to compute interest is by using this method. The principle balance divided by the interest rate is the most typical approach to compute interest.
Margo will be required to repay the $2000 she borrowed plus an additional 8% of that sum as interest each year if she borrows the money at an 8% annual interest rate.
principle multiplied by the interest rate equals interest.
where "principal" refers to the initial loan amount and "rate" is the interest rate in decimal form. The interest rate in this situation is 8%, or 0.08 in decimal form.
Margo will so be required to pay the following interest each year:
interest: $160 x ($2,000 x 0.08)
Margo will thus have to repay a total of $2160 ($2000 + $160) every year until the debt is completely repaid.
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Write 2 multiplication or division expressions that equal -360
This expression divides 360 by -1 to get -360.
What is Algebraic expression ?
Algebraic expression can be defined as combination of variables and constants.
An algebraic expression is a combination of variables, constants, and mathematical operations such as addition, subtraction, multiplication, and division, without the use of equal sign (=). It can include one or more terms, which are separated by addition or subtraction operators.
Here are two possible multiplication/division expressions that equal -360:
18 x (-20) = -360
This expression multiplies 18 by -20 to get -360.
360 ÷ (-1) = -360
Therefore, This expression divides 360 by -1 to get -360.
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Mary has 7 cups of flour. It takes 5/6 cup of flour to make one cake. How many cakes can Mary make?
Mary can bake 8 cakes the with 7 cups of flour she possesses because we are unable to create a quarter of a cake.
What is the flour recipe?Starch, a polymer, is one of the ingredients in all-purpose flour, which has the chemical formula (C6H5O10)n (C 6 H 5 O 10) n.
We need to divide Mary's total flour supply by the quantity of flour required for creating one cake in order to determine how many cakes she can produce.
First, we must divide 5 by 6 to get the fraction 5/6 in decimal form:
5 ÷ 6 = 0.8333...
Hence, 0.8333 cups of flour are required to produce one cake.
We're able to divide Mary's entire flour supply by the quantity of flour needed to produce one cake:
7 cups of flour ÷ 0.8333 cups of flour per cake = 8.4 cakes
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Three research departments have 9, 7, 10 and members, respectively. Each department is to select a delegate and an alternate to represent the department at a conference. In how many ways can this be done?
The number of ways that this can be done is given as follows:
272,160.
What is the Fundamental Counting Theorem?The Fundamental Counting Theorem states that if there are n independent trials, each with [tex]n_1, n_2, \cdots, n_n[/tex] possible results, the total number of outcomes is calculated by the multiplication of the number of outcomes for each trial as presented as follows:
[tex]N = n_1 \times n_2 \times \cdots \times n_n[/tex]
The number of ways for each department is given as follows:
Department 1: 9 delegates, 8 alternates.Department 2: 7 and 6.Department 3: 10 and 9.Hence the total number of ways is given as follows:
9 x 8 x 7 x 6 x 10 x 9 = 272,160.
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Find the value of the angle θ rounded to 1 DP.
The diagram is not drawn accurately.
Check the picture below.
[tex]\sin(24^o )=\cfrac{\stackrel{opposite}{y}}{\underset{hypotenuse}{17}}\implies 17\sin(24^o )=y \\\\[-0.35em] ~\dotfill\\\\ \sin(\theta )=\cfrac{\stackrel{opposite}{4}}{\underset{hypotenuse}{y}}\implies \theta =\sin^{-1}\left( \cfrac{4}{y} \right) \\\\\\ \theta =\sin^{-1}\left( \cfrac{4}{17\sin(24^o )} \right)\implies \theta \approx 35.3^o[/tex]
Make sure your calculator is in Degree mode.
What is the answer to Justify Conclusions One side of a square is
10 units. Which is greater, the number of square units for the area of the square or the number of units for the perimeter? Give me an Explain. Please
Therefore , the solution of the given problem of square comes out to be the square's perimeter is higher than the number of square units for the square's surface.
Exactly what is a square?A square, according to Euclidean mathematics, is a quadrilateral with four equal sides and four equal angles. Another term for a rectangle is a shape with two neighboring sides that are the same length. A quadrilateral is said to be equilateral if one of its 4 triangular edges and four equal corners is a square. A cubical angle refers to one that's 90 ° or straight. The square's diagonals are evenly spaced and split in half at a 90-degree angle.
Here,
We can use the formulas for area and perimeter of a square to decide which is greater: its area or perimeter with sides that are 10 units long.
A = s², where s is the extent of one edge, calculates the area of a square. The square's size in this instance is
=> 102 = 100 square units.
P = 4s, where s is the length of one edge, calculates the perimeter of a square. In this instance, the square's circumference is
=> 4(10)
=> 40 units.
We can see that the perimeter is larger than the area by comparing the two values.
Consequently, we can draw the conclusion that the number of units for the square's perimeter is higher than the number of square units for the square's surface.
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can someone please help me lean this crazy math please so i can learn
The slope of the lines are given as
a) m₁ = -2
b) m₂ = 4/3
c) m₃ = 5/2
d) The equation of line is y = ( 1/2 )x + 9/2
What is an Equation of a line?The equation of a line is expressed as y = mx + b where m is the slope and b is the y-intercept
And y - y₁ = m ( x - x₁ )
y = y-coordinate of second point
y₁ = y-coordinate of point one
m = slope
x = x-coordinate of second point
x₁ = x-coordinate of point one
The slope m = ( y₂ - y₁ ) / ( x₂ - x₁ )
Given data ,
Let the equation of line be represented as A
Now , the value of A is
a)
Let the first point be P ( 3 , 5 )
Let the second point be Q ( 7 , -3 )
Now , the slope of the line is m = ( y₂ - y₁ ) / ( x₂ - x₁ )
Substituting the values in the equation , we get
Slope m₁ = ( -3 - 5 ) / ( 7 - 3 )
Slope m₁ = -8/4
Slope m₁ = -2
b)
Let the first point be P ( 4 , 2 )
Let the second point be Q ( 10 , 10 )
Now , the slope of the line is m = ( y₂ - y₁ ) / ( x₂ - x₁ )
Substituting the values in the equation , we get
Slope m₂ = ( 10 - 2 ) / ( 10 - 4 )
Slope m₂ = 8/6
Slope m₂ = 4/3
c)
Let the first point be P ( -1 , -2 )
Let the second point be Q ( -3 , -7 )
Now , the slope of the line is m = ( y₂ - y₁ ) / ( x₂ - x₁ )
Substituting the values in the equation , we get
Slope m₃ = ( -7 - ( -2 ) ) / ( -3 - ( -1 ) )
Slope m₃ = -5/-2
Slope m₃ = 5/2
d)
Let the first point be P ( 5 , 7 )
The slope of the line is y = 1/2
Now , the equation of line is y - y₁ = m ( x - x₁ )
On simplifying , we get
y - 7 = ( 1/2 ) ( x - 5 )
y - 7 = ( 1/2 )x - 5/2
Adding 7 on both sides , we get
y = ( 1/2 )x + 9/2
e)
The slope of the line is y = 5/2 and the points are linear
Hence , the equation of line is y = ( 1/2 )x + 9/2
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The complete question is :
Determine the slopes between the points in lowest terms
a) ( 3 , 5 ) and ( 7 , -3 )
b) ( 4 , 2 ) and ( 10 , 10 )
c) ( -1 , -2 ) and ( -3 , -7 )
d) Draw and accurate graph of the line with the slope of ( 1/2 ) that passes through the point ( 5 , 7 )
- Find the truth set of 4x +2 = 3(2x)
Answer:
y = −x2 + 2x −5
Step-by-step explanation:
To find the truth set of the equation 4x + 2 = 3(2x), we need to solve for x and then determine the values of x that make the equation true.
Starting with the equation:
4x + 2 = 3(2x)
Distribute the 3 on the right-hand side:
4x + 2 = 6x
Subtract 4x from both sides:
2 = 2x
Divide both sides by 2:
1 = x
Therefore, the truth set of the equation 4x + 2 = 3(2x) is {1}. In other words, the equation is only true when x is equal to 1.
What are at least two ways you can determine if an exponential function is a growth?
Answer:
a and b
Step-by-step ex
which fractions are equivalent to 10/14
Step-by-step explanation:
20/28 = (20 ÷ 2) / (28 ÷ 2) = 10/14 = 5/7
15/21 = (15 ÷ 5) / (21 ÷ 5) = 5/7
25/35 = (25 ÷ 5) / (35 ÷ 5) = 5/7
So, 20/28, 15/21, and 25/35 are equivalent to 10/14.
help with this please youll get 65 points
Answer:
105 or 40500
Step-by-step explanation:
you have too add or mutilple
number that adds up to 27 and 6
Answer: 9 and 3
Step-by-step explanation: Depends the signs +/- and the problem.
Mario was studying right angles and wondered if during his math class the minute and hour hands of the clock formed a right angle. If his class meets from 2:00 p.m. to 2:50p.m. is a right angle formed? If it is determine the nearest second when the hands form the right angle.
the hands do form a right angle during Mario's math class, at 2:35:17.5 p.m. (rounded to the nearest half-second).
What is the right-angle triangle?A triangle is said to be right-angled if one of its angles is exactly 90 degrees. The total of the other two angles is 90 degrees. Perpendicular and the triangle's base are the sides that make up the right angle. The longest of the three sides, the third side is known as the hypotenuse.
During the class from 2:00 p.m. to 2:50 p.m.,
the hour hand will move from the 2 to the 3 and will be halfway between the 2 and 3 at 2:30 p.m. The minute hand will make one full revolution around the clock face, from the 12 to the 12, during this time.
Let's calculate the positions of the hour and minute hands at 2:30 p.m.:
The hour hand moves 1/12 of the way around the clock face for each hour or 30 degrees for each hour. At 2:30 p.m.,
it will have moved 2.5 hours, so it will be 2.5 * 30 = 75 degrees past the 2 o'clock mark.
The minute hand moves 360 degrees in 60 minutes or 6 degrees per minute. At 2:30 p.m.,
it will have moved 30 minutes, so it will be 30 * 6 = 180 degrees past the 12 o'clock mark.
To determine if the hands form a right angle, we need to calculate the angle between them. Let's call this angle "A".
The angle between the hour and minute hands is the absolute difference between their positions, which is 105 degrees in this case (180 degrees - 75 degrees).
If the minute hand is ahead of the hour hand by exactly a quarter of a revolution or 90 degrees, then the hands will form a right angle.
So, we need to check whether angle A is equal to 90 degrees. If A = 90 degrees, then the hands form a right angle, and we can calculate the time when this happens by finding the time at which the minute hand is exactly 90 degrees ahead of the hour hand.
Let's set up an equation to solve for the time t:
A = 90 = 180 - 75 - 6t
Solving for t, we get:
t = 17.5
Therefore, the hands do form a right angle during Mario's math class, at 2:35:17.5 p.m. (rounded to the nearest half-second).
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A philanthropist pledges to donate 16% of a fund each year. If the fund initially has $708,000.00, how much will the fund have after 10 years?
[tex]\qquad \textit{Amount for Exponential Decay} \\\\ A=P(1 - r)^t\qquad \begin{cases} A=\textit{current amount}\\ P=\textit{initial amount}\dotfill &708000\\ r=rate\to 16\%\to \frac{16}{100}\dotfill &0.16\\ t=years\dotfill &10\\ \end{cases} \\\\\\ A = 708000(1 - 0.16)^{10} \implies A=708000(0.84)^{10}\implies A \approx 123830.07[/tex]
you enclose a field using sections of fence with lengths of 9, 12, and 15 meters. Estimate the area of the field.
The estimated area of the field enclosed by the fence is approximately 220.5 square meters.
What is the Pythagorean theorem?A basic geometry theorem that explains the relationship between a right triangle's three sides is known as the Pythagorean theorem.
We can employ the following strategy to determine how much of the field the fence is enclosing:
Include the lengths of the fence sections in a rough sketch of the field.
Make a straightforward polygon that resembles the field's shape using the fence sections.
To calculate the area of the triangle-shaped portion of the field, use the triangle's area formula ([tex]A = 1/2 \times base \times height[/tex]). We must identify the triangle's base and height in order to accomplish this.
The Pythagorean theorem can be used to calculate the triangle's height: [tex]a^2 + b^2 = c^2[/tex]where a and b are the triangle's two shorter sides (9 meters and 12 meters, respectively), and c is the longest side (15 meters). When we solve for (a), we see that it is equal to
(a)
[tex]= \sqrt{(c^2 - b^2)} \\= \sqrt{(15 2 - 12 2}) \\= \sqrt{(81)} \\= 9 meters.\\[/tex]
The triangle is therefore 9 meters tall. The 9-meter fence portion serves as the triangle's base.
When we apply the triangle's area formula, we obtain:
A is equal to half of the base plus the height, or 9 meters plus 9 meters, or 40.5 square meters.
The area of the remaining field must be increased by the area of the triangle. This estimate may not be very exact because we have just estimated the field's form, but it should at least give us a general notion of the field's size.
If the remaining area of the field has a roughly rectangular form, we can calculate its area by multiplying the rectangle's length and width. The 12-meter and 15-meter fence sections can be used as a guide to determine the rectangle's size.
By dividing the width by the length, we obtain:
180 square meters is the size of the remaining part (12 meters times 15 meters).
To determine the approximate total size of the field, add the areas of the rectangle and triangle portions:
Total area estimated: 40.5 square meters plus 180 square meters, which equals 220.5 square meters.
As a result, the field's approximate area inside the barrier is 220.5 square meters.
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Sin2x. Cos x plus Cos2x. Sinx
So, the simplified form of the given expression is cosxsinx(3cosx - sinx).
What is a mathematical expression?A statement, at least two parameters or integers, and one or more calculations make up a mathematical expression. It is possible to multiply, divide, add, or subtract quantities using this mathematical operation. The following is the expression's structure: An expression is (total count, numerical operator, number, or variable).
We can simplify the given expression using the product-to-sum identities:
sin2x × cosx + cos2x × sinx
= 2sinx × cosx × cosx + (cos²x - sin² x) × sinx [using the identity sin2x
= 2sinx × cosx and cos²x = cos² x - sin² x]
= 2sinx × cos² x + cos²x × sinx - sin² x × sinx [expanding the brackets]
= cosx × sinx(2cosx + cosx - sinx)
= cosx × sinx(3cosx - sinx)
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