The MEAN best describes the monthly rents.
The best one is Mean : 898
Now, According to the question:
The monthly rents for five apartments advertised in a newspaper were $670, $670, $790, $1550, and $810.
We are required to use the mean, median and mode to explain which measure of central tendency best describes the monthly rent.
The mean, median and mode (as calculated) are the measures of central tendency for the data set given.
This measures which value is closest to the center such that it can conveniently represent every other data. Observe carefully that the least value is 670 while the highest is 1550.
Also, observe that the value which is "more central" to both extremes is the mean.
The median is closer to the lowest value and much farther from the highest value.
The mode is actually at the lowest end of the data set.
However, the mean is safely between both ends. Its farther away from the least value than the median which means its moving closer to the "center" unlike the other two measures.
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what value of poisson's ratio characterizes deformation without change in volume? group of answer choices
Poisson's ratio v can get close to 1, but never reach it 1/2. G/B = 3(1-2v)/(2(1+v)) limits it.
The right hand side must be positive because the shear G and bulk B moduli must both be positive since else an elastic material would spontaneously deform. This results in -1 v 12.
Because of those symbols, equality is not possible; consequently, G/B cannot be zero. The elasticity formulas are invalid because any substance with G = 0 is a fluid.
Keep in mind that v = 12 is the typical model for rubbers. Since the ratio G/B is greater than 6000 for gum rubbers, this estimate is only a rough guide. This presumption has the effect of ignoring any volumetric distortion.
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Question What is the radical form of each of the given expressions? Drag the answer into the box to match each expression. Put responses in the correct input to answer the question. Select a response, navigate to the desired input and insert the response. Responses can be selected and inserted using the space bar, enter key, left mouse button or touchpad. Responses can also be moved by dragging with a mouse.
The radical form for each expression is given as follows:
[tex]5^{\frac{2}{3}} = \sqrt[3]{5^2}[/tex][tex]5^{\frac{1}{2}} = \sqrt{5}[/tex][tex]3^{\frac{2}{5}} = \sqrt[5]{3^2}[/tex][tex]3^{\frac{5}{2}} = \sqrt{3^5}[/tex]How to obtain the radical form of each expression?The general format of the exponential expression is given as follows:
[tex]a^{\frac{n}{m}}[/tex]
To obtain the radical form, we have that:
a is the radicand.n is the exponent.m is the root.Hence the radical form of the exponential expression is given as follows:
[tex]a^{\frac{n}{m}} = \sqrt[m]{a^n}[/tex]
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Order of operations with fractions and exponents
Evaluate the expression.
Do not round your answer.
2
3²
Stuck? Review related articles/videos or use a hint.
Report a problem
Step-by-step explanation:
you did not provide an expression. only fragments, I suspect.
I can give you the basic rules.
always remember the order of operations :
1. brackets
2. exponents
3. multiplications and divisions
4. additions and subtractions
a fraction is a division.
e.g. 2/3 = 2 divided by 3
e.g. (a/b)⁵ = a⁵/b⁵
(a×b)⁵ = a⁵×b⁵
e.g. a^-b = 1/(a^b)
e.g. a^(c/b) =
[tex] \sqrt[b]{ {a}^{c} } [/tex]
I think that is all about exponents and fractions.
Divide. Write the quotient in lowest terms. 5\dfrac{2}{3} \div 4 =5 3 2 ÷4=5, start fraction, 2, divided by, 3, end fraction, divided by, 4, equals
The quotient for the given division of fractions [tex]5\dfrac{2}{3} \div 4[/tex] is 17/12.
We are given the equation - [tex]5\dfrac{2}{3} \div 4[/tex]
First we will convert the mixed fraction 5\dfrac{2}{3} in to improper fraction as follows -
[tex]5\dfrac{2}{3}[/tex] [tex]= \frac{3*5+2}{3}[/tex]
[tex]5\dfrac{2}{3}[/tex] [tex]= \frac{17}{3}[/tex]
Now we will divide the fraction as follows -
[tex]5\dfrac{2}{3} \div 4[/tex]
= 17/3 ÷ 4
taking the reciprocal of 4 and changing the divide sign into multiplication we get,
= 17/3 x 1/4
= 17*1 / 3*4
= 17/12
Hence, the quotient for the given division of fractions is 17/12.
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Find x and y from -7x+3y=12 2x-8y=32
Answer:
x = -3.84
y = -4.96
Step-by-step explanation:
-7x+3y=12
2x-8y=32
We multiply the first equation by 2 and the second equation by 7
-14x + 6y = 24
14x -56y = 224
-50y = 248
y = -4.96
Now put -4.96 in for y and solve for x
-7x+3(-4.96) = 12
-7x - 14.88 = 12
-7x = 26.88
x = -3.84
Let's check
-7(-3.84) + 3(-4.96) = 12
26.88 - 14.88 = 12
12 = 12
So, x = -3.84, and y = -4.96 is the correct answer.
What is the length of MN if ABC~LMN
The length of MN if ABC~LMN would be 11 unit.
What is a proportion?A proportion is a fraction of a total amount, and the measures are related using a rule of three.
The relations between variables, either direct or inverse proportional, can be built to find the desired measures in the problem.
Given that the side lengths of two similar triangles are always proportional.
Given that ∆ABC ~ ∆LMN, therefore:
AB = 10
LM = 5
MN = x + 4
BC= 3x + 1
Plug in the values
AB / LM = BC/ MN
Cross multiply
10/ 5 = (3x + 1)/(x + 4)
2 (x + 4) = (3x + 1)
2x + 8 = 3x + 1
x = 7
MN = x + 4 = 11
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26. In the diagram below, what must be the
measure of the angle marked x?
39
62
Please help
The angle denoted by the letter x is an inscribed angle created by the intersection of the chords AC and BD, as can be seen.
What is meant by angle?Corner, whether it be a protruding element or a section of an enclosed space. the pattern created by two lines that diverge from the same point.
a measurement of an angle or the degree of rotation necessary to parallelize or align two angled lines or planes.
An angle in planar geometry is a form created by two rays or lines that have a common termination. The English word "angle" derives from the Latin word "angelus," which means "corner."
The vertex, which serves as the joint terminus of two rays, and the two rays are known to as the sides of an angle and an angle, respectively.
Our goal is to determine the size of the angle denoted by the x:
We may use the chord theorem formula because we can see that the angle denoted with x is an inscribed angle created by the intersection of the chords AC and BD.
x = BC + AD / 2
By replace BC with 39 and AD with 62, we get:
x = 39 + 62/2
x=50.5°
Therefore, measure of the angle marked x=50.5°
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Select the correct answer.
What is this series written in sigma notation?
2. 5 + 2. 5(1. 2) + 2. 5(1. 2)2 +.
2 +. 2. 5(1. 2)87
ОА.
87
2. 5(1. 2)*
OB.
2. 5(1. 2)*1
O c.
2. 5(1. 2)*
OD.
2. 5(1. 2)*–1
=1
The given series in sigma notation is [tex]\sum_{k=1}^{88} 2.5(1.2)^{k-1}[/tex].
A geometric series is the summation of an infinite number of terms that have a constant ratio between consecutive terms.
This is an infinite geometric series with a first term of 2.5, a common ratio of 1.2, and 87 terms. It can be written as:
2.5 + 2.5(1.2) + 2.5(1.2)^2 + ... + 2.5(1.2)^87 = 2.5 × (1 + 1.2 + 1.2^2 + ... + 1.2^87)
If we look at the power, it is always one less the term, i.e., for the first term, the value of k = 0.
So, the series in the form of summation is as follows:
[tex]\sum_{k=1}^{88} 2.5(1.2)^{k-1}[/tex]
Hence, the correct answer is D.
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--The given question is incorrect; the correct question is
"what is this series written in sigma notation 2.5 + 2.5(1.2)+2.5(1.2)^2+...+2.5(1.2)^87"--
The set of all points in a plane that are the same distance from a given point called the center. Radius. A straight line from the center to the circumference of a circle or sphere. Diameter
1. The set of all points in a plane that are the same distance from a given point called Radius. So the option B is correct.
2. A straight line from the center to the circumference of a circle or sphere is Diameter. So the option A is correct.
The set of all points in the plane that are a fixed distance (the radius) away from a fixed point is referred to as a circle (the center).
Radius is the name for any distance that connects a point on a circle to its center. Any two radii have the same length when compared to the definition of a circle. Take note of the fact that the term "radius" is being used to describe both these intervals and their typical length.
The term "chord" refers to the space that connects two points on a circle.
The term "diameter" refers to a chord that runs through the center. Since a diameter is made up of two radii that are connected at their ends, each diameter has a length that is twice as long as its radius.
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The complete question is:
1. The set of all points in a plane that are the same distance from a given point called
1. Center
2. Radius
C. Surface area
D. Circumference
2. A straight line from the center to the circumference of a circle or sphere is
A. Diameter
B. Radius
C. Surface area
D. Circumference
Han and Leia plan on renting a 1050SQFT apartment. In order to do this, they
have the following fees: $150 application desposit, $15 credit report, Security
deposit equal to 1 month's rent, Last AND first month's rent, Broker's fee that
is 12% of the yearly rent. If 1 month's rent is $1350, howmuch should Brian
and Jamie plan on spending when they sign their lease?
The amount that Brian and Jamie have to plan on spending should be: $4859.
How to solve for the amount that should be spentThe security deposit is equal to 1 month's rent, which is $1350.
The first and last month's rent is also $1350, so that's a total of $2700 for the first and last month's rent and the security deposit.
The broker's fee is 12% of the yearly rent, which is $1350 x 12 = $16,200.
12% of $16,200 is $1944.
So in total, they will have to pay $150 application deposit + $15 credit report + $2700 + $1944 = $4859.
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evaluate the fraction
36^3/12^5
[tex]\huge\text{Hey there!}[/tex]
[tex]\mathsf{\dfrac{36^3}{12^5}}[/tex]
[tex]\mathsf{= \dfrac{36\times36\times36}{12\times12\times12\times12\times12}}[/tex]
[tex]\mathsf{= \dfrac{1,296\times36}{144\times144\times12}}[/tex]
[tex]\mathsf{= \dfrac{46,656}{20,736\times12}}[/tex]
[tex]\mathsf{= \dfrac{46,656}{248,832}}[/tex]
[tex]\mathsf{\mathsf{= \dfrac{46,656\div 15,552}{248,832 \div 15,552}}}[/tex]
[tex]\mathsf{= \dfrac{3}{16}}[/tex]
[tex]\huge\text{Therefore, your answer should be:}[/tex]
[tex]\ \huge\boxed{\mathsf{\dfrac{46,656}{248,832}\ or\ \dfrac{3}{16}}}\huge\checkmark\\\\\ \huge\boxed{\uparrow}}\huge\text{ Either of those should work because they are}\\\huge\text{equivalent to each other :) }} \huge\boxed{\uparrow}}[/tex]
[tex]\huge\text{Good luck on your assignment \& enjoy your day!}[/tex]
Answer: 46656/248832
Step-by-step explanation:
Potentiation in fractions.
Power is made up of a base and an exponent. The exponent indicates how many times the base will be multiplied by itself.
For example:The power of 2² = 2 × 2 × 2 = 8We solve:[tex]\boldsymbol{\sf{\dfrac{36^3}{12^5}=\dfrac{36\times36\times36}{12\times12\times12\times12\times12 }=\dfrac{46656}{248832 } }}[/tex]
36³/12⁵ = 46656/248832
Yusuf drove 156 miles in 3 hours. If he continued at the same rate, how far would he travel in 2 hours?
the answer would be 104
How you would get this answer if by dividing 156 ÷3 =52
then you would take the 52 and multiply it by 2 and get 104
I have also provided the work on how to write it out!
Hope this helps and have a good day!
let , and be arithmetic progressions. if and , then what is ? let , and be arithmetic progressions. if and , then what is ?
An arithmetic progression (AP) is a sequence of numbers such that the difference between any two consecutive terms is always the same.
This common difference is called the common ratio of the arithmetic progression. The general form of an arithmetic progression is a, a + d, a + 2d, ..., where a is the first term and d is a common difference.
The nth term of an arithmetic progression can be found by using the formula: a_n = a + (n-1)d, where a is the first term, d is a common difference, and n is the position of the term in the progression.
If a, b, and c are in arithmetic progression, then the common difference is (b-a) = (c-b).
If d, e, and f are also in arithmetic progression, then the common difference is (e-d) = (f-e).
If a, d are the same and b, e are the same, then c = f.
so the common difference between both progressions is the same, and c = f
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let , and be arithmetic progressions. if and , then what is ? let , and be arithmetic progressions. if and , then what is the common difference
A barn is 40 feet wide by 100 feet long. Make a scale drawing of the barn that has a scale of 1/2 inch = 10 feet
As per the given measurement, the scale drawing of the barn is attached below.
The term scale drawing is defined as a real object with accurate sizes reduced or enlarged by a certain amount.
Here we have given that a barn is 40 feet wide by 100 feet long.
Here we have given in the question that if you draw a line that is 1/2 an inch on paper its proportional to 10 feet long on the house.
Which means that 1 inch would be 20, then 1.5 would be 30 feet, and then 2 inches would be 40.
Here we have given the proportion would be written as,
=> 2 in: 40 ft
As we know that if we make the ratios equal, then we have,
=> 1/20 = x/40
When we simplify this then we get the value of x as 2
Similarly, for the another one,
=> 1/20 = x/100
Now, we have to multiply both sides by 100:
=> 100/20 = x
Therefore, the value of x is 5.
Hence the scale drawing of the house would be 2 inches wide and 5 inches long.
And the drawing is attached below.
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escribe two different ways to find the slope of a function and two different ways to find the y-intercept of a function
Amanda wants to showcase her favorite function: f(x)=1+sqrt(x+5). She has built a function machine that performs these operations on the input values. Her brother Eric is always trying to mess up Amanda's stuff, so he created the inverse of f(x), called it e(x), and programmed it into a machine.
b. What happens if the two machines are pushed together? What is e(f(-4))? Explain why this happens
Answer:
First find what f(-4) is, it is 2. Then substitute the 2 into x for e(x). Then is becomes e(2) which equals -4. The output is the same as the input because they are inverses. When putting the output of the original equation as the input of the inversed equation, the output of the inversed equation becomes the input of the original equation.
The function e(f(-4)) = -4. This happens because when two function machines are pushed together, the output of the first machine is used as the input for the second machine.
The inverse of a function f(x) is a function e(x) such that e(f(x)) = x for all x in the domain of f(x). To find the inverse of Amanda's favorite function, f(x) = 1 + sqrt(x + 5), we need to isolate x in the expression 1 + sqrt(x + 5) and call it y:
y = 1 + sqrt(x + 5)
Squaring both sides of the equation, we get:
y^2 = 1 + 2sqrt(x + 5) + (x + 5)
y^2 - 1 = 2sqrt(x + 5) + x + 5
Expanding the square on the left side, we get:
y^2 - y - 6 = x
So the inverse function, e(x), can be defined as:
e(x) = y^2 - y - 6
Finally, to evaluate e(f(-4)), we first need to find f(-4), then use the result as an input to the inverse function e(x):
f(-4) = 1 + sqrt(-4 + 5) = 1 + sqrt(1) = 1 + 1 = 2
e(f(-4)) = e(2) = 2^2 - 2 - 6 = 4 - 8 = -4
Therefore, e(f(-4)) = -4.
This happens because when two function machines are pushed together, the output of the first machine is used as the input for the second machine.
The inverse of Amanda's favourite function takes the output of the first machine and finds the original input that would have produced the same output. In this case, the original input was -4.
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What kind of sequence is this?
139, 126, 113, 100, ...
This is an example of a decreasing sequence. In this case, each number is 13 numbers less than the previous.
What is a sequence?A sequence is a term to refer to a group of numbers that have some characteristics in common. For example, in this case these numbers are more than 100 and the value of difference between them is 13.
How to calculate the difference?To calculate the difference between these numbers we have to substract one of the number with the next number:
139 - 126 = 13
126 - 113 = 13
Accprding to the above, this sequence is characterized for a difference of 13 numbers between each value.
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Consider the quadratic function y = mx².
When a > 0, the graph
When a < 0, the graph
When a > 0, the graph opens upward
When a < 0, the graph opens downward
How to complete the statementsFrom the question, we have the following parameters that can be used in our computation:
The quadratic function y = mx²
The variable represents the leading coefficient
i.e. a = m
As a general rule:
Equations with negative leading coefficients open downwards, while other open upwards
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Convert. Simplify your answer and write it as a proper fraction or as a whole or mixed
number.
5 inches = ? Feet
Answer:
To convert inches to feet, we divide the number of inches by the number of inches per foot. One foot is equal to 12 inches.
So, to convert 5 inches to feet:
5 inches / 12 inches/foot = 5/12 feet
The answer can be simplified as a proper fraction.
5 inches = 5/12 feet
(3x + 12 + 2x³ + x²)/(x + 2)
Answer: If your simplifying it's: 2x (power of 3) + x (power of 2) + 3x + 12x +2. Dividing would be 2x (power of 2) − 3x + 9 − 6/x+2. Have a nice day ;)
PLEASE HELP let f(x) = 2x^2+x-3 and g(x) =x-1
find the domain
a x^2-4: domain; positive real numbers
b 2x^2-4 domain all real numbers
c x^2-4 domain all real numbers
d 2x^2-2 domain all real numbers
The correct options regarding the domain of the functions are given as follows:
b 2x^2-4 domain all real numbers
c x^2-4 domain all real numbers
d 2x^2-2 domain all real numbers
How to obtain the domain of the function?The domain of a function is the set composed by all the input values that the function accepts.
Quadratic functions have no restrictions, hence the domain for all of them is of all real values, and thus options b, c and d are the correct options.
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Frank was trying to simplify the following expression 43+3. Sarah said to add 3 to both the top and the bottom of the fraction. Gwen said to
just add three to the top of the fraction. Which person is correct? What is the value of the expression?
cor
correct. The value of the expression is
V
Gwen is correct. The expression 43 + 3 can be written as 43/1 + 3/1
What is an Algebraic Expression?In most cases, something is said to be equivalent if two of them are the same. Similar to this, analogous expressions in mathematics are those that, despite their differences in appearance, have the same meaning. The two expressions, however, produce the identical outcome when the values are inserted into them.
Gwen is correct. The expression 43 + 3 can be written as 43/1 + 3/1. To simplify, you can add the numerators (43 + 3) and keep the denominator the same (1). So the simplified expression is 46/1, which is equal to 46.
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PLEASE HELPPPPPPPP.
The value of x would be √2.
What is the 45-45-90 triangle?
A 45-45-90 triangle is a special type of right triangle where the angles measure 45 degrees, 45 degrees, and 90 degrees. The sides of the triangle are in a specific ratio to each other. The hypotenuse, or the longest side of the triangle, is the same length as the other two sides (the legs). This side length is also equal to the square root of 2 times the length of either leg. The legs of the triangle are congruent to each other. This triangle is also known as an "isosceles right triangle".
In the given figure, we can apply a 45-45-90 triangle,
side opposite to 45 = 1/√2 * Hypotenuse
x = 1/√2 * 2
x = √2
Hence, the value of x would be √2.
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3: What is the intensity in watts per meter squared of 85.0-dB sound?
The intensity in watts per meter squared of 85.0-dB sound is 0.316 watts per meter squared.
What is the watts per square meter of an 85.0 dB sound?To calculate the intensity in watts per meter squared of 85.0-dB sound, we first need to convert the dB sound level to a ratio.
This is done by calculating 10 raised to the power of the dB sound level divided by 10.
Therefore, 10^(85.0/10) = 316.
Next, we need to convert the ratio to intensity in watts per meter squared. This is done by dividing the ratio by 1,000,000.
Therefore, 316 / 1,000,000 = 0.000316.
Finally, we need to convert the intensity in watts per meter squared to a more readable number. This is done by multiplying the intensity by 1,000,000.
Therefore, 0.000316 * 1,000,000 = 0.316 watts per meter squared.
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The intensity in watts per meter squared of 85.0-dB sound is 0.316 watts per meter squared.
What is an 85.0 dB sound's watts per square meter?We must first translate the dB sound level into a ratio in order to determine the intensity of 85.0-dB sound in watts per square meter.
To do this, divide the decibel sound level by 10 and multiply the result by 10 raised to that power.
Consequently, 10 (10/85.0) = 316.
The ratio must then be changed to intensity in watts per square meter. To do this, double the ratio by 1,000,000.
316 divided by 1,000,000 equals 0.000316.
Finally, we must translate the intensity measured in watts per square meter into a more understandable value. The intensity is multiplied by 1,000,000 to achieve this.
Therefore, 0.316 watts per square meter are equal to 0.000316 * 1,000,000.
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In July the price of a holiday is £500.
In August the price increases by 25%.
In September the price drops to £500 again.
Work out the percentage decrease from the August price to the September price.
The percentage decrease from the August price to the September price = 20%
Here, In July the price of a holiday is £500.
And in August the price increases by 25%.
Let 'p' represents the price of a holiday.
First we need to find the value of the 25 percent of £500.
25% of £500
= 500 × (25/100)
= £125
so, the value of p would be,
p = £500 + 25% of £500
p = £500 + £125
p = £625
In September the price drops to £500 again.
i.e., p = 500
So, the decrease in price is: 625 - 500 = 125
Now we find the percentage decrease from the August price to the September price.
(125/625) × 100 = 20%
the percentage decrease in price = 20%
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John ran 2.75 km on Sunday. If he ran the same distance every day of the week, then find the total distance he ran in the whole week
Answer:
19.25 km
Step-by-step explanation:
7 days = 1 week
1 day = 2.75 km
7 days = ?
Then you cross multiply.
Therefore: 7×2.75/1
19.25/1
Answer: 19.25 km
The inverse of a relationship can be found by
switching the coordinates in each ordered pair. Complete the table for three
input and output values of y = x + 3 and its inverse. Then use the table to
write an equation of the inverse of y = x + 3.
y=x+3
Input (x)
Output (y)
Inverse of y=x+3
Input (x)
Output (y)
The equation of the inverse of y = x + 3 is y = x - 3.
What is inverse relationship?The theory used in this question is the concept of inverse relationships. In mathematics, an inverse relationship is a relationship where two variables are related in such a way that when one variable increases, the other decreases.
In this case, the relationship between x and y is represented by the equation y = x + 3.
To find the inverse of this equation, we need to switch the coordinates in each ordered pair, which is done by subtracting 3 from the output (y) for each ordered pair.
This gives us the equation y = x - 3, which is the inverse of y = x + 3.
y=x+3
Input (x) Output (y)
3 6
-1 2
5 8
Inverse of y=x+3
Input (x) Output (y)
6 3
2 -1
8 5
The equation of the inverse of y = x + 3 is y = x - 3.
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Buddy walks 5000 feet due North, then turns and walks 4000 feet due East. What is the direction and magnitude of the resultant vector?
The direction and magnitude of the resultant vector are:
i. Magnitude = 6403
ii. Direction = 51.3^o
What is a resultant vector?A resultant vector is just a single vector which represent two or more vectors acting at a point in both magnitude and direction.
To determine the magnitude of the resultant vector, we have;
let the resultant vector be represented by R, so that;
/Hyp/^2 = /Opp/^2 + /Adj/^2
R^2 = 5000^2 + 4000^2
= 25000000 + 16000000
R^2 = 41000000
R = (41000000)^1/2
= 6403.12
The resultant of the two vectors is 6403.
ii. To determine the direction (θ) of the vector,
Tan θ = y/ x
Tan θ = 5000/ 4000
θ = Tan^-1 1.25
= 51.341
θ = 51.3^o
The direction of the resultant vector is 51.3^o.
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A solid-state drive (SSD) is a piece of hardware used to store data, much like a hard-drive. However, SSDs are much faster and more reliable than traditional hard-drives, and therefore many new computers are built using SSD technology Suppose a company is producing SSDs and experimenting with different sizes of storage. The function f is such that f(s) represents the cost of producing an SSD that can store s Gigabytes (GB) of data. Use function notation to answer the following questions. The cost (in dollars) to produce an SSD with 4 TB of storage, given that there are 1024 Gigabytes (GB) in one Terabyte (TB). Hint: The cost of producing an SSD that stores 4 TB is not the same as the cost of producing 4 SSDs that each store 1 TB of data
The cost of producing an SSD that can store 4 TB of data can be represented by the function f(s), where s is measured in GB. Since there are 1024 GB in one TB, 4 TB is equal to 4 x 1024 = 4096 GB.
So, the cost of producing an SSD with 4 TB of storage can be represented by:
f(4096)
It is important to note that f(s) is the cost of producing an SSD with s GB of storage, not the cost of producing s SSD with 1 GB of storage.
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A surveyor measures the lengths of the sides of a triangular plot of land. what is the measure of the angle of the triangular plot at which the surveyor stands? approximate to the nearest degree. cos–1(0.75) = 41° cos–1(0.125) = 83° cos–1(0.563) = 56° cos–1(0.15) = 89°
The measure of the angle of the triangular plot at which the surveyor stands is cos(0.125) = 83°
Since we have given that the lengths of the sides of triangle from figure :
a = 300 m
b = 250 m
c = 200 m
We need to find the measure of angle i.e. A
As we know the "Law of Cosine rules ":
Cos A = b^2 + c^2 - a^2 / 2bc
= 250^2 + 200^2 - 300^2 / 2.250.200
= 125 / 1000
= 0.125
therefore , A = 82.81° approximate and close to 83°
Hence second option is correct.
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