Answer:
its side CE
Step-by-step explanation:
I got it wrong and it showed me the answer. Hope this helps!
Answer:
C
Step-by-step explanation:
got it right
Calculate the monthly loan payment
Loan amount: 60000
Down payment: 4000
Interest rate: 13%
Term: 60 months (5 years)
The monthly loan payment for a $60,000 loan with a $4,000 down payment, 13% interest rate, and a term of 60 months is approximately $1,289.49.
To calculate the monthly loan payment, we need to use the loan amount, down payment, interest rate, and term.
Loan amount: $60,000
Down payment: $4,000
Principal amount: Loan amount - Down payment = $60,000 - $4,000 = $56,000
Interest rate: 13% per annum (or 0.13 as a decimal)
Monthly interest rate: 13% / 12 = 0.0133 (approx.)
Term: 60 months (5 years)
Now, let's calculate the monthly loan payment using the formula for a fixed-rate loan:
Monthly payment = P * (r * (1 + r)^n) / ((1 + r)^n - 1)
Where:
P = Principal amount
r = Monthly interest rate
n = Total number of payments
Substituting the values into the formula:
Monthly payment = $56,000 * (0.0133 * (1 + 0.0133)^60) / ((1 + 0.0133)^60 - 1)
Using a calculator, the approximate monthly loan payment comes out to be $1,289.49.
Therefore, the monthly loan payment for a $60,000 loan with a $4,000 down payment, 13% interest rate, and a term of 60 months is approximately $1,289.49.
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Cynthia Besch wants to buy a rug for a room that is 18 ft wide and 35 ft long. She wants to leave a uniform strip of floor around the rug. She can afford to buy 200 square feet of carpeting. What dimensions should the rug have?
Answer:
Step-by-step explanation:
Let the width of the rug be x ft. Then the length of the rug will be (18-2x) ft (since she wants to leave a uniform strip of floor around the rug).
The area of the rug can be expressed as:
x(18-2x) = 18x - 2x^2
We know that the area of the rug should be 200 sq ft, so we can set up the equation:
18x - 2x^2 = 200
Simplifying this equation, we get:
x^2 - 9x + 100 = 0
Using the quadratic formula, we can solve for x:
x = [9 ± sqrt(9^2 - 4(1)(100))] / 2
x = [9 ± sqrt(281)] / 2
Since the width of the rug cannot be negative, we can take the positive value of x:
x = [9 + sqrt(281)] / 2
x ≈ 9.88 ft
Therefore, the width of the rug should be about 9.88 ft, and the length of the rug should be about (18-2(9.88)) = 0.24 ft. However, this is not a realistic length, so we should adjust the size of the uniform strip of floor that Cynthia wants to leave around the rug.
An English teacher reviewed 2 3 of an essay in 1 4 of an hour. At this rate, how many essays can she review in 1 hour? Simplify your answer and write it as a proper fraction, mixed number, or whole number. essays
The essays that she can review in 1 hour would be; 2 2/3.
What is a fraction?A fraction represents a part of a number or any number of equal parts.
We are given that English teacher reviewed 2 /3 of an essay in 1/ 4 of an hour.
Thus, Fraction of the essay reviewed = 2/3
Amount of time used = 1/4
Therefore, the fraction of essay for an hour can be calculated as;
= Fraction of the essay reviewed / Amount of time used
= 2/3 ÷ 1/4
= 2/3 × 4
= 8/3
= 2 2/3
Hence, She will review 2 2/3 essay.
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Evaluate the compositions indicated for the given functions. f (x) = –2x3, g(x) = x2 + 3x – 8, h(x) = 5x f (g(h(–1))) = ?
Answer:
it’s a
Step-by-step explanation:
Answer:
First answer is -16, second answer is 10
Step-by-step explanation:
Just did it on Edge
How much is does 8×10 equal to?
Answer:
80
Step-by-step explanation:
8x10= 80
Larry is starting his own lawn service company. He has initial startup costs totaling $300, plus ongoing operating expenses. The function representing Larry's expenses and the function representing Larry's income for lawn services are shown in the graph below. Approximately how many lawns will Larry have to mow before he starts making a profit?
Answer:
Larry must mow approximately 25 lawns before he starts making a profit
Step-by-step explanation:
My friend needs help!
Don't give links, show work, no silly answer.
Answer:
the answer is x=10
add 29+1=30
90-30=60
60÷6=10
Let's say that you get a $600 tax refund, and you wisely decide to put it into a long-term investment that pays 5% in simple interest each year. How much money would that add up to in your banking account each year? (type your answer as two decimals and its dollar $ units)
Each year, your bank account would accumulate $30 in interest.
A bank account is a financial account provided by a bank or financial institution that allows individuals or businesses to deposit money, make withdrawals, and perform various financial transactions. Bank accounts offer a secure and convenient way to manage and store your money.
To calculate the amount of money that would accumulate in your bank account each year from a $600 tax refund invested at 5% simple interest, we can use the formula:
Interest = Principal * Rate
where:
Principal = $600 (initial investment)
Rate = 5% (0.05 in decimal form)
Interest = $600 * 0.05
Interest = $30
Therefore, each year, your bank account would accumulate $30 in interest.
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(x-3)(x-4)/(x-4)(x-4)
Answer:
(x-3) (x-4)/(x-4)
x(x-4)-3 (x-4)/(x-4)
this is the answer!
if you have any problem tell me I will help you
Answer:
the answer is on the picture
The Carousel on the National Mall has 4 rings of horses. Kiran is riding on the inner ring, which has a radius of 9 feet. Mai is riding on the outer ring, which is 8 feet farther out from the center than the inner ring is.
One rotation of the carousel takes 12 seconds. How much faster does Mai travel than Kiran? (Round to the nearest tenth)
Mai travels abοut 4.2 feet per secοnd faster than Kiran.
What is circumference?Circumference is the distance arοund the οutside οf a circle. It is the length οf the bοundary that enclοses a circle. Tο find the circumference οf a circle, yοu can use the fοrmula C=2πr, where "C" represents the circumference, "π" is a mathematical cοnstant (apprοximately equal tο 3.14159), and "r" is the radius οf the circle (the distance frοm the center οf the circle tο its edge). Sο, the circumference οf a circle is directly prοpοrtiοnal tο its radius. This means that if yοu dοuble the radius οf a circle, its circumference will alsο dοuble.
The circumference οf Kiran's ring is:
C1 = 2πr1 = 2π(9 ft) ≈ 56.55 ft
The circumference οf Mai's ring is:
C2 = 2πr2 = 2π(r1 + 8 ft) = 2π(17 ft) ≈ 106.81 ft
Therefοre, Mai travels a distance οf 106.81 - 56.55 = 50.26 feet mοre than Kiran in οne rοtatiοn.
The time it takes fοr οne rοtatiοn is given as 12 secοnds. Therefοre, the speed οf Kiran in feet per secοnd is:
V1 = C1 / t = 56.55 ft / 12 s ≈ 4.71 ft/s
And the speed οf Mai in feet per secοnd is:
V2 = C2 / t = 106.81 ft / 12 s ≈ 8.90 ft/s
The difference in their speeds is:
V2 - V1 = 8.90 ft/s - 4.71 ft/s ≈ 4.2 ft/s
Therefοre, Mai travels abοut 4.2 feet per secοnd faster than Kiran.
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Dr. Leona Williams, a well-known plastic surgeon, has a reputation for being one of the best surgeons for reconstructive nose surgery. Dr. Williams enjoys a rather substantial degree of market power in this market. She has estimated demand for her work to be: Q = 480 – 0.2P where Q is the number of nose operations performed monthly and P is the price of a nose operation. What is the inverse demand function for Dr. Williams’ services? What is the marginal revenue function? The average variable cost function for reconstructive nose surgery is estimated to be:
AVC = 2Q2 – 15Q + 400
where AVC is the average variable cost (measured in dollars), and Q is the number of operations per month. The doctor’s fixed cost per month is $8,000. If the doctor wishes to maximize her profit, how many nose operations should she perform each month? What price should Dr. Williams charge to perform a nose operation? How much profit does she earn each month?
We can conclude that -
The inverse demand function for Dr. Williams’ services is -Q = 5(280 - P)
For maximum profit, she should perform 4 operations.What are algebraic expressions?In mathematics, an expression or mathematical expression is a finite combination of symbols that is well-formed according to rules that depend on the context.Mathematical symbols can designate numbers (constants), variables, operations, functions, brackets, punctuation, and grouping to help determine order of operations and other aspects of logical syntax.Given is a story of Dr. Leona Williams who is a well-known plastic surgeon.
{ 1 } -
Dr. Williams estimated demand for her work is -
Q = 280 - 0.2P
Inverse of a function can be calculated by following the steps mentioned below -
Step 1 - Replace 'y' with 'x' and vice - versa.Step 2 - Rewrite the equation by solving for 'y'.Step 3 - Replace 'y' with f⁻¹(x).So, we can write -
P = 280 - 0.2Q
P - 280 = - 0.2Q
- (280 - P) = - 0.2Q
(280 - P) = 0.2Q
Q = (280 - P)/0.2
Q = 5(280 - P)
{ 2 } -
The average variable cost function for reconstructive nose surgery is -
AVC = 2Q² – 15Q + 400
Let AVC = A{Q}
For maximum profit -
d/dQ (A{Q}) = 0
d/dQ (2Q² – 15Q + 400) = 0
d/dQ (2Q²) - d/dQ (15Q) + d/dQ (400) = 0
4Q - 15 = 0
4Q = 15
4Q = 15
Q = 3.7
Q = 4 {approx.}
Therefore, we can conclude that -
The inverse demand function for Dr. Williams’ services is -Q = 5(280 - P)
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A bag of 10 Marbles has the following composition:
Red – 3
Green – 4
Blue – 2
Yellow – 1
What is the Simple Probability of reaching in and extracting a Yellow marble?
Answer: So, the simple probability of reaching in and extracting a yellow marble from the bag is 0.1 or 10%.
Step-by-step explanation: To calculate the simple probability of reaching in and extracting a yellow marble from the bag, we need to divide the number of yellow marbles by the total number of marbles in the bag.
The bag contains a total of 10 marbles, and there is only 1 yellow marble. Therefore, the probability of extracting a yellow marble can be calculated as:
Probability = Number of Yellow Marbles / Total Number of Marbles
Probability = 1 / 10
Simplifying this fraction gives us:
Probability = 0.1 or 10%
Hope this helps!
A furnace is designed to heat a 10,000 cubic feet of space. Will this furnace be adequate for a 1,400 square foot house with a 9foot ceiling.
To determine whether the furnace will be adequate for a 1,400 square foot house with a 9-foot ceiling, we need to calculate the volume of the house and compare it to the volume the furnace is designed to heat.
The volume of the house can be found by multiplying the square footage by the ceiling height:
1,400 sq ft x 9 ft = 12,600 cubic feet
Since the furnace is designed to heat 10,000 cubic feet, and the house has a volume of 12,600 cubic feet, the furnace may not be adequate for heating the house. The furnace is not capable to heat the entire house.
Suppose a network has 37 servers of which 8 fail. How many possibilities are there for the 8 that fail?
The number of possibilities for 8 of 37 servers to fail is 38608020
How to determine the ways of selection?From the question, we have
Total number of servers, n = 37
Numbers to servers that fail, r = 8
The number of ways for 8 serves to fail is calculated using the following combination formula
Total = ⁿCᵣ
Where
n = 37 and r = 8
Substitute the known values in the above equation
Total = ³⁷C₈
Apply the combination formula
ⁿCᵣ = n!/(n - r)!r!
So, we have
Total = 37!/29!8!
Evaluate
Total = 38608020
Hence, the number of ways is 38608020
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How do you combine like terms of -8(r-2) + 6(r-2) ??? Will mark brainliest if the answer is right.
Answer:
\(-2r+4\)
Step-by-step explanation:
\(-8(r-2)+6(r-2)\)
Distribute:
\((-8)(r)+(-8)(-2)+(6)(r)+(6)(-2)\\-8r+16+6r+-12\)
Combine like terms:
\((-8r+6r)+(16+-12)\\-2r+4\)
-2r + 4 is your answer.
Mhanifa please help on mine
Answer:
Q1The opposite sides are two pairs of parallel lines.WY is transversalAngles 1 and 3 are congruent as alternate interior angles, same applies to angles 2 and 4.WY is the shared side and congruent to itself.So we have two angles and the included side congruent to corresponding parts of the other triangle.
1≅3, 2≅4, WY≅WYΔWXY ≅ ΔYZWThis is called angle-side-angle or ASA
Correct choice is
C. Yes, ASA theoremQ2Preimage is CP = 12, image is CP' = 3
Scale factor is:
k = 3/12 = 1/4This is a 4 times reduction
Correct option is D:
k = 1/4, reductionFind the volume of the cylinder to the nearest cubic foot. Use a calculator. A. 236 ft3 B. 942 ft3 C. 251 ft3 D. 75 ft3
\(\textit{volume of a cylinder}\\\\ V=\pi r^2 h~~ \begin{cases} r=radius\\ h=height\\[-0.5em] \hrulefill\\ r=5\\ h=3 \end{cases}\implies V=\pi (5)^2(3)\implies V\approx 236~ft^3\)
Answer:
236 ft^3
Step-by-step explanation:
Base radius = 5 ft
Height = 3 ft
Volume = πr^2h
= π × 5^2 × 3
= 75π
= 235.61944901923 feet^3
Nearest Cubic Foot = 236 ft^3
Nearest Cubic Foot:
Hence Answer is:
236 ft^3
Hope this helps!
The photo is kinda blurry but please help me with it
The perimeter of rectangle M'N'O'P' is given as follows:
54 cm.
What is a dilation?A dilation can be defined as a transformation that multiplies the distance between every point in an object and a fixed point, called the center of dilation, by a constant factor called the scale factor.
The ratio between the areas is given as follows:
126/14 = 9.
The area is measure in square units, while the perimeter is measured in units, hence the ratio of the perimeters is the square root of the ratio of the areas, that is:
3.
Hence the perimeter of rectangle M'N'O'P' is given as follows:
3 x 18 = 54 cm.
Missing InformationThe complete problem is:
Rectangle MNOP has a perimeter of 18 cm and an area of 14 cm2. After rectangle MNOP is dilated, rectangle M'N'O'P' has an area of 126 cm2. What is the perimeter of rectangle M'N'O'P'?
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Round to the nearest hundredth 0.2189
Answer:
0.22
Step-by-step explanation:
4 or less let it rest, 5 or more add one more!.
8 is greater than 1 so you add one to 1 which equals 2, so your answer would be 0.22
P(x)=x-3
g(x) = 2x-5
Find the following.
(p °q) (5)= and (q °p) (5)=
Part 1) Computing (p °q) (5)
\(p(x) = x-3\\\\p(q(x)) = q(x)-3\\\\(p \circ q)(x) = 2x-5-3\\\\(p \circ q)(x) = 2x-8\\\\(p \circ q)(5) = 2(5)-8\\\\(p \circ q)(5) = 2\\\\\)
Answer: 2===========================================================
Part 2) Computing (q °p) (5)
\(q(x) = 2x-5\\\\q(p(x)) = 2(p(x))-5\\\\q(p(x)) = 2(x-3)-5\\\\(q \circ p)(x) = 2x-6-5\\\\(q \circ p)(x) = 2x-11\\\\(q \circ p)(5) = 2(5)-11\\\\(q \circ p)(5) = -1\\\\\)
Answer: -1The average low temperatures in international falls minnesota are shown in the graph f(x) represents the function that contains these points find each of the following
The Relative Maximum will be (7, 50) and minimum is (12, 0).
We have the graph showing average low temperatures in international falls minnesota.
From the graph the maximum y coordinate is 50.
So, the Relative Maximum will be (7, 50).
and, the minimum y coordinate is 0.
So, the Relative minimum is (12, 0)
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Graph the following inequality
y≤ ¹/2x-4
The inequality y≤ 1/2 x -4 which is shown by red shaded region gives the solution (0, -4) and (8, 0).
What is Inequality?Mathematical expressions with inequalities are those in which the two sides are not equal. Unlike to equations, we compare two values in inequality. Less than (or less than or equal to), greater than (or greater than or equal to), or not equal to signs are used in place of the equal sign.
Given:
We have the Inequality y≤ 1/2 x -4.
Now, we plot the inequality on the Graph as shown by the red region.
As, the inequality intersect the axis at (0, -4) and (8, 0).
Thus, the solution is (0, -4) and (8, 0).
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Need help will give brainliest
The equation formed after the transformations is given as follows:
\(g(x) = \frac{1}{6}\sqrt{x + 3}\)
How to obtain the function?The parent function in this problem is defined as follows:
\(f(x) = \sqrt{x}\)
For the vertical shrink by a factor of 1/6, the function is multiplied by 1/6, hence it is given as follows:
\(g(x) = \frac{1}{6}\sqrt{x}\)
For the translation left 3 units, we have that x -> x + 3, hence:
\(g(x) = \frac{1}{6}\sqrt{x + 3}\)
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When solving the equation below using the quadratic formula, what would be the value inside or under the radical? (Hint: simplify first!)
2x 2 − 10 = 7x
The values under and inside the radical is 4 and 129 respectively
What is a quadratic equation?A quadratic equation is any equation that can be rearranged in standard form as where x represents an unknown value, and a, b, and c represent known numbers. One supposes generally that a ≠ 0; those equations with a = 0 are considered degenerate because the equation then becomes linear or even simpler.
A quadratic equation is given as ax²+ bx+ c=0
this can be solved using formula x=( -b±√b²-4ac)/2a.
in the equation 2x²-10=7x, it can be Rearranged As 2x²-7x-10= 0
a= 2, b= -7 and c= -10
x= -(-7)±√(-7)²-4×2×-10)/2×2
x= 7±√49+80)/4
x= 7/4 ± √129/4
therefore the values inside and under the radical is 129 and 4
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I WILL GIVE THE BRAINIEST
A high school class is planning a field trip to an art museum in their city. The class collected a total of $1259 from all of the students, which will go towards renting a bus, museum admission, and lunch
However, a week before the trip 9 students had to drop out and their portion of the collected money had to be given back to them. Due to this, the students that are all still going must contribute an
Now let a be the number of students who went on the trip and s9 be the original number of students who had planned to go on the trip
What equation can be written to determine the number of students that went on this trip?
An equation can be written to determine the number of students that went on this trip is: C. \(\frac{1259}{s} + 12=\frac{1259}{s+9}\)
How to write an equation to determine the number of students that went on this trip?In order to write an equation to determine the number of students that went on this trip, we would have to assign a variable and an expression to the number of students who went on the trip and the original number of students who had planned to go on the trip as follows;
Let the variable s represent the number of students who went on the trip.Let the expression s + 9 represent the original number of students who had planned to go on the trip.Since a total of $1259 was collected from all of the students with 9 students dropping out and their portion of the money collected given back to them while the students that are all still going must contribute an additional $12, an equation to determine the number of students that went on this trip is given by;
\(\frac{1259}{s} + 12=\frac{1259}{s+9}\)
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Complete Question:
A high school class is planning a field trip to an art museum in their city. The class collected a total of $1259 from all of the students, which will go towards renting a bus, museum admission, and lunch.
However, a week before the trip 9 students had to drop out and their portion of the collected money had to be given back to them. Due to this, the students that are all still going must contribute an additional $12 each to cover all of the cost.
Now let s be the number of students who went on the trip and s + 9 be the original number of students who had planned to go on the trip
What equation can be written to determine the number of students that went on this trip?
Anthony surveys a group of students at his school about whether they play a
sport. This table shows the results broken down by gender.
Boys
Girls
Total
Play a sport
95
76
171
Do not play a
sport
45
59
104
A. Yes, they are independent, because P(girl)
a sport) ~0.62
Are being a girl and playing a sport independent events? Why or why not?
B. Yes, they are independent, because P(girl)
a sport) -0.44
Total
C. No, they are not independent, because P(girl) 0.49 and
P(girl plays a sport) ~ 0.62.
140
135
275
0.49 and Pigirl | plays
0.49 and P(girl plays
D. No, they are not independent, because P(girl)-0.49 and
Pigirl plays a sport)~0.44.
Being a girl and playing a sport are C. No, they are not independent events, because P(girl) 0.49 and P(girl plays a sport) ~ 0.62.
Let's consider the probabilities:
P(girl) = (number of girls) / (total number of students) = 135 / 275 ≈ 0.49
P(girl plays a sport) = (number of girls playing a sport) / (total number of students) = 76 / 275 ≈ 0.276
If being a girl and playing a sport were independent events, the joint probability would be the product of the individual probabilities:
P(girl) × P(girl plays a sport) ≈ 0.49 × 0.276 ≈ 0.13524
However, the actual joint probability is different from the expected value:
P(girl, plays a sport) ≈ 76 / 275 ≈ 0.276
Since the joint probability does not match the product of the individual probabilities, we can conclude that being a girl and playing a sport are not independent events based on the given data.
Therefore, option C. No, they are not independent, because P(girl) 0.49 and P(girl plays a sport) ~ 0.62. is the correct answer.
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(Math question incoming) Are the Polynomials in standard form(Yes or No?) Identify the name of each Polynomial. Identify the leading coefficient. Identify the degree.
Standard polynomial form means that the terms are arranged from highest to lowest degree.
The leading coefficient is the number before the highest degree.
The degree of the polynomial is the power of the variable attached to the leading coefficient.
1) This is not in standard polynomial form.
The leading coefficient is -1.
This is a second-degree polynomial.
2) This is in standard polynomial form.
The leading coefficient is 3.
This is a fourth-degree polynomial.
3) This is not in standard polynomial form.
The leading coefficient is 3.
This is a fifth-degree polynomial.
4) This is in standard polynomial form.
The leading coefficient is -4.
This is a fifth-degree polynomial.
5) This is not in standard polynomial form.
The leading coefficient is -5.
This is a third-degree polynomial.
6) This is not in standard polynomial form.
The leading coefficient is -1.
This is a sixth-degree polynomial.
7) This is in standard polynomial form.
The leading coefficient is 2.
This is a second-degree polynomial.
8) This is in standard polynomial form.
The leading coefficient is 1.
This is a second-degree polynomial.
9) This is in standard polynomial form.
The leading coefficient is 1.
This is a third-degree polynomial.
10) This is not in standard polynomial form.
The leading coefficient is 6.
This is a fourth-degree polynomial.
A spinner is spun `40` times for a game.
This graph shows the fraction of games that are wins.
Based on the graph, what is the probability of a spin winning this game?
(i) In decimals: 0.65
(ii) In percentage: 65%
The graph shows that after the spinner is spun after 40 times. The Fraction of wins is 0.65 out of 1. Look at the very end of the graph to look at the conclusion for probability. Similar cases when, after the spinner is spun after 20 times, the probability is 0.65.
Answer:
0.65 or 65%
Step-by-step explanation:
6.2
3
6
Find the area of the parallelogram.
Answer:
18 square units
Step-by-step explanation:
the area of a parallelogram is represented by length times width
or l * w
l is 3 and w is 6
when you multiply them you get 18
you have to add the square in front of your type of unit too
Use the diagram below to answer the questions about the Law of Cosines.
Based on the Law of Cosines; it was proven that:
cos Θ = x/acos (180 - C) = x/aa² + b² + 2bx = c²Please note that the given equation on number 3 is wrong. The correct equation should be: a² + b² + 2bx = c². The explanation why the given equation is incorrect will be explained later.
Based on the unshaded triangle, we can find that:
cos Θ = x/a
Next, we will prove that: cos (180 - C) = x/a
Remember that:
cos (A + B) = cos A cos B - sin A sin B
Law of Cosines: c² = a² + b² - 2ab. cos C
cos C = - [c² - (a² + b²)] /2ab ... (i)
Then:
cos Θ = cos (180 - C)
cos (180 - C) = cos 180 . cos C - sin 180 . sin C
We subtitute equation (i):
cos (180 - C) = (-1) (- [c² - ((a² + b²)] / 2ab) - 0 sin C
cos (180 - C) = [c² - (a² + b²)]/ 2ab ... (ii)
If we focus on the unshaded triangle, we can find an equation of a, where:
a² = h² + x² ... (iii)
And if we combine both triangle into a giant triangle, we can make another equation of c. where:
c² = (x + b)² + h² ... (iv)
We will subtitute equation (iv) into equation (ii):
cos (180 - C) = [c² - (a² + b²)]/ 2ab
cos (180 - C) = [(x + b)² + h² - (a² + b²)] / 2ab
cos (180 - C) = [x² + b² + 2bx + h² - a² - b²] / 2ab
cos (180 - C) = [x² + 2bx + h² - a²] / 2ab ... (v)
We subtitute equation (iii) into equation (v):
cos (180 - C) = [x² + 2bx + h² - a²] / 2ab
cos (180 - C) = [a² + 2bx - a²] / 2ab
cos (180 - C) = 2bx / 2ab
cos (180 - C) = x/a --> PROVEN!
Next, we will try to show why the given equation of a² + b² - 2bx = c² is incorrect.
We know that:
a² + b² - 2ab cos C = c²
c² = (x + b)² + h²
We will try to find the value of cos C:
a² + b² - 2ab cos C = (x + b)² + h²
a² + b² - 2ab cos C = x² + b² + 2bx + h²
a² - 2ab cos C = a² + 2bx
- 2 ab cos C = 2bx
cos C = - x/a
We will subtitute the value of cos C under the Law of Cosines:
c² = a² + b² - 2ab cos C
c² = a² + b² - 2ab (- x/a)
c² = a² + b² + 2bx --> PROVEN!
Learn more about Law of Cosines here: brainly.com/question/9261858
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