Please could you help its due tommorow

Please Could You Help Its Due Tommorow

Answers

Answer 1

Answer:

x = 52.5

Step-by-step explanation:

The sum of the angles of a quadrilateral is 360.

2x+100 +95+60 = 360

Combine like terms.

2x+255=360

Subtract 255 from each side

2x+255-255= 360-255

2x = 105

Divide each side by 2

2x/2 = 105/2

x = 52.5

Answer 2

Answer:

x = 52.5

Step-by-step explanation:

The sum of the interior angles of a quadrilateral is 360°.

Accordingly, let us find the value of x.

2x + 100 + 95 + 60 = 360

2x + 255 = 360

Subtract 255 from both sides.

2x = 360 - 255

2x = 105

Divide both sides by 2.

x = 52.5


Related Questions

At the store, Jami buys a soda for $1.89, a candy bar for $1.78 and a sandwich for $4.98. How much money does she spend at the store?

Answers

1.89+1.78+4.98=8.65
So Jami spends $8.65 at the store

the probability a visitor to the home page of a website views another page on the site is 0.2. assume that 200

Answers

The probability that at least one visitor views another page on the site is very high, close to 1. This suggests that the website is engaging and visitors are likely to navigate beyond the home page.

Assuming that 200 visitors come to the home page of the website, we can use the binomial distribution to calculate the probability that at least one visitor views another page on the site.

Let X be the number of visitors who view another page. Then X follows a binomial distribution with n = 200 and p = 0.2.

P(X ≥ 1) = 1 - P(X = 0)

[tex]= 1 - (0.2)^0 * (0.8)^200= 1 - 0.8^200[/tex]

≈ 1

Therefore, the probability that at least one visitor views another page on the site is very high, close to 1. This suggests that the website is engaging and visitors are likely to navigate beyond the home page.

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40 out of 200 visitors to the homepage are expected to view another page on the site.

The probability that a visitor to a website's homepage views another page on the site and how it relates to 200

visitors.

The probability is 0.2.

To find out how many visitors out of 200 are likely to view another page on the site, you can follow these steps:

Identify the given probability, which is 0.2 in this case.

Multiply the probability by the total number of visitors (200).

So, the calculation would be:

0.2 × 200 = 40

Based on the given probability, approximately 40 out of 200 visitors to the homepage are expected to view another

page on the site.

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A company boss is planning on ordering a gift for each of his employee in his company

Answers

The company boss is planning on ordering a gift for each of his employees.

This can be a great way to show appreciation for their hard work and dedication. When boss is planning to choosing gifts, it's important to consider the company culture and values, as well as the individual preferences and interests of each employee.

Some popular gift ideas include personalized items such as mugs or keychains, gift cards to local restaurants or stores, or company branded merchandise such as t-shirts or hats. Whatever the gift may be, it's important to make sure that it's thoughtful and meaningful to show that the boss truly values and appreciates the hard work of his employees.

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Which matrix is equal to [-6,-6. 5,1. 7,2,-8. 5,19. 3]

Answers

The equivalent matrix is [tex]\begin{bmatrix}-6 & -2\\ -6& -8 \\ 5& 5 \\ 1& 19 \\ 7&3 \end{bmatrix}[/tex]

A matrix is a rectangular array of numbers, arranged in rows and columns. Each number in the matrix is called an element, and the number of rows and columns determine the size of the matrix.

Now, to answer your question, the given set of numbers, [-6,-6, 5,1, 7,2, -8, 5,19, 3] can be arranged in a 2x5 matrix or a 5x2 matrix, depending on the order in which you place the numbers. To illustrate:

[tex]\begin{bmatrix}-6 & -6 &5 &1 &7 \\ 2& -8 & 5 & 19& 3\end{bmatrix}[/tex]

or

[tex]\begin{bmatrix}-6 & -2\\ -6& -8 \\ 5& 5 \\ 1& 19 \\ 7&3 \end{bmatrix}[/tex]

Both matrices have the same set of numbers but arranged differently. Hence, it is important to specify the order of the rows and columns to define a matrix uniquely.

In summary, the given set of numbers can be represented as a matrix, which is a rectangular array of numbers arranged in rows and columns. However, to define a matrix uniquely, we must specify the order of the rows and columns. Moreover, matrices can be added, subtracted, and multiplied just like regular numbers.

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What is the volume in cubic inches of a rectangular prism with a height of a 11 inches width of 15 inches and a length of 2 inches

Answers

Answer:

330 cubic inches

Step-by-step explanation:

The formula for a rectangular prism is l x w x h

so, let's input the numbers:

2 x 15 x 11

and solve:

330

So, the volume of a rectangular prism is 330 cubic inches

330 inches cubed first you have to multiply 15x11 and that gives you 165 then you multiply that by two and get 330

What is the volume of this prism?

Answers

Check the picture below.

btw that picture above is misleading, whenever is 3 longer than 7?  and 2 longer than 7? =)

so let's just get the area of the trapezoidal face and multiply that by the depth of 7.

[tex]\textit{area of a trapezoid}\\\\ A=\cfrac{h(a+b)}{2}~~ \begin{cases} h~~=height\\ a,b=\stackrel{parallel~sides}{bases~\hfill }\\[-0.5em] \hrulefill\\ a=2\\ b=4\\ h=3 \end{cases}\implies A=\cfrac{3(2+4)}{2}\implies A=9 \\\\[-0.35em] ~\dotfill\\\\ (9)(7)\implies \text{\LARGE 56}\qquad \impliedby volume[/tex]

How much money in commission does a real
estate agent who works on a 2.5% commission
rate earn from a $260,000 sale?
A. $6,500
C. $65.000
B. $10,400
D. $1,040,000

Answers

It seems like the answer could be $6,500, but I prefer to wait for a professional tbh☹.

in a game using five cards numbered 1,2,3,4,and 5, you take two cards and add the values together. if the sum is 8, you win.Would you rather pick a card and put it back before picking the second card, or keep the card in your hand wile you pick the second card? explain your reasoning.

Answers

The probability of winning the game is the same in both instances, so I will pick a card and put it back before picking the second card.

What is probability?

The probability of an event is a number that indicates how likely the event is to occur and is expressed as a number in the range from 0 and 1, or, using percentage notation, in the range from 0% to 100%.

The  card has  total of 10 possible pairs:

(1,2), (1,3), (1,4), (1,5), (2,3), (2,4), (2,5), (3,4), (3,5), and (4,5).

we have that only (3,5) n adds up to 8,  .

In conclusion, the probability of winning the game is 1/10 or 10%.

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The Gades Foundation and HBM Corporation are eager to donate generously to their favorite charities.
The Gades Foundation donated
$
250
$250dollar sign, 250 in the first month, and each month afterward their cumulative donation total increases by
$
100
$100dollar sign, 100.
The HBM Corporation donated
$
64
$64dollar sign, 64 in the first month, and each month afterward their cumulative donation total increases by
75
%
75%75, percent.
They started making donations at the same time, and they both make their monthly donations at the beginning of each month.
What is the first month in which HBM Corporation's cumulative donation total exceeds the Gades Foundations' cumulative total?

Answers

The first month in which HBM Corporation's cumulative donation total exceeds the Gades Foundation's cumulative total is the sixth month. This is calculated by finding an equation for each organization's cumulative donation total and solving an inequality.

Let's start by finding an equation for the cumulative donation total for each organization after n months. Let GF(n) and HBM(n) represent the cumulative donation totals for the Gades Foundation and HBM Corporation, respectively.

The Gades Foundation's cumulative donation total can be represented by the arithmetic sequence

GF(n) = 250 + 100(n-1)

The HBM Corporation's cumulative donation total can be represented by the geometric sequence

HBM(n) = 64(1.75)ⁿ⁻¹

To find the month in which HBM Corporation's cumulative donation total exceeds the Gades Foundation's cumulative total, we need to solve the inequality

HBM(n) > GF(n)

Substituting the expressions for GF(n) and HBM(n), we get

64(1.75)ⁿ⁻¹ > 250 + 100(n-1)

Simplifying and solving for n, we get

1.75ⁿ⁻¹ > (250/64) + (100/64)(n-1)

Taking the logarithm of both sides, we get

(n-1)log(1.75) > log(250/64) + log(1+(100/250)(n-1))

Using a calculator to evaluate the logarithms, we can solve for n

n > 5.74

Since n must be an integer, the smallest integer greater than 5.74 is 6. Therefore, the first month in the Gades Foundation's cumulative total is the sixth month.

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Find the solution of the equation:
−6x−2x=5
. None of these
. 516
. −516
. −58
. 58

Answers

To solve the equation -6x - 2x = 5, we can combine like terms on the left side:

-8x = 5

Then, we can isolate x by dividing both sides by -8:

x = -5/8

Therefore, the solution to the equation -6x - 2x = 5 is x = -5/8.

None of the answer choices provided match this result.

Graph ​y=−4/7x+1​.

Use the line tool and select two points on the line to graph the line.

Answers

To graph the line ​y=−4/7x+1​, we can use the slope-intercept form of a linear equation, y=mx+b, where m is the slope and b is the y-intercept. In this case, the slope is -4/7 and the y-intercept is 1.

To plot the line, we can select two points on the line and connect them with a straight line. One easy way to do this is to set x=0 and solve for y to find the y-intercept, which is (0,1). Then, we can set y=0 and solve for x to find another point on the line. This gives us (-7/4,0).

Once we have these two points, we can use a straight edge or ruler to draw a line through them to represent the graph of the equation. It should be a downward-sloping line that intercepts the y-axis at (0,1).

Alternatively, we can use a graphing calculator or an online graphing tool to plot the line more accurately. This will allow us to see more clearly the shape and direction of the line, as well as any other important features such as intercepts, slopes, and points of intersection with other lines.

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calculate the work done required to drag a stone if mass 30kg on the ground through a distance of 50m.(Take acceleration due to gravity = 10m/s²).​

Answers

Answer: Work done= F.d

= 15000 J

Step-by-step explanation:

Work done= Force*distance

where

Force= mass*acceleration

mass=30kg,  acceleration= 10 m/s^2, distance

=30*10

=300 N

then by formula of work done

Work done= F.d

= 300*50

=15000J

please help i don’t understand and need to find d

Answers

Answer:

10 inches

Step-by-step explanation:

The rule for a 45-45-90 triangle is if the two legs equal x then the hypotenuse is x√2.

So if the hypotenuse is 10√2 then the length of the leg d is 10

ginny and carter are learning about probability and their teacher hands them a bag with 18 red marbles and 10 green marbles. ginny draws 2 red marbles and keeps them on her desk. carter wants to draw green marbles on his turn. how did the probability of drawing a green marble change from when ginny drew her marbles to when carter will draw?

Answers

The probability of drawing a green marble for Carter increased from 0.357 to 0.385 after Ginny drew her two red marbles.

The probability of drawing a green marble for Carter did change after Ginny drew her two red marbles. This is because the total number of marbles left in the bag has decreased, which affects the probability of drawing a green marble.

Before Ginny drew her marbles, the probability of drawing a green marble for Carter was

P(Carter draws green) = 10/(18+10)

= 10/28

Divide the numbers

= 0.357

After Ginny drew her two red marbles, there are now 16 red marbles and 10 green marbles left in the bag. So the probability of drawing a green marble for Carter on his turn is

P(Carter draws green) = 10/(16+10) = 10/26 = 0.385

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hey! can anybody help me with part a?

Answers

We can see here that the displays that can be used to display the data set of the water districts are:

Frequency table, Bar graphCircle graph.

The data set of the water districts is:

categoricalbivariate

What is data?

Data refers to any information or facts that can be collected, stored, and analyzed. This can include a wide range of things, such as numbers, text, images, audio recordings, and more.

Data can be used to provide insights, make decisions, and drive actions in a variety of fields, including science, business, medicine, and more. In order to be useful, data needs to be organized, structured, and analyzed in a way that can provide meaningful insights and information.

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Find the surface area of the prism. Write your answer as a decimal.
13.5 in, 9 in, 10 in, 9 in

Answers

The rectangular prism with the specified length, width, and height has a surface area of 164 in².

What is a prism?

A prism is a polyhedron in geometry that has n parallelogram faces that connect the n-sided polygon basis, the second base, which is a translated duplicate of the first base, and the n faces.

The bases are translated into all cross-sections that are parallel to them.

According to their intended use, prisms can be divided into four primary categories: dispersion prisms, deflection or reflection prisms, rotating prisms, and offset prisms.

So, simply said, a rectangular prism is a solid three-dimensional object having six rectangular faces.

The expression for a rectangular prism's surface area is:

S.A = 2( wl + hl + hw )

We enter the values provided into the expression above:

S.A = 2( wl + hl + hw )

S.A = 2( (3in × 10in) + (4in × 10in) + (4in × 3in) )

S.A = 2( 30in² + 40in² + 12in² )

S.A = 2( 82in² )

S.A = 164in²

Therefore, the rectangular prism with the specified length, width, and height has a surface area of 164 in².

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Correct question:

What is the surface area of the prism?

Can you pls help? This is geometry

Answers

Answer:

(x-3)^2+(y-2)^2=16

Step-by-step explanation:

The equation of a circle in standard form is (x-h)^2+(y-k)^2=r^2

So, the center is (3,2), so you have to input the opposite value.

(x-3)^2+(y-2)^2=4^2

simplify:
(x-3)^2+(y-2)^2=16

expand and simplify (x+3)(x-3)(3x+2)

Answers

Answer: To expand the expression, we can use the distributive property of multiplication:

(x+3)(x-3)(3x+2)

= (x^2 - 9)(3x+2) // using (a+b)(a-b) = a^2 - b^2

= 3x(x^2) + 2(x^2) - 9(3x) - 18 // using FOIL

= 3x^3 + 2x^2 - 27x - 18

This is the expanded form of the expression.

To simplify further, we can factor out the greatest common factor of the terms:

= 3(x^3 - 9x) + 2(x^2 - 9)

= 3x(x^2 - 9) + 2(x^2 - 9)

= (3x+2)(x^2 - 9)

= (3x+2)(x-3)(x+3)

So, the simplified expression is (3x+2)(x-3)(x+3).

Answer:

3x³ + 2x² - 27x - 18.

Step-by-step explanation:

To expand (x+3)(x-3)(3x+2), we can use the distributive property and multiply each term in the first expression by each term in the second expression, and then multiply the result by each term in the third expression.

(x+3)(x-3)(3x+2)

= (x²-3x+3x-9)(3x+2) // Using (a+b)(a-b)
= a² - b²
= (x²-9)(3x+2)
= 3x(x²) + 2x² - 9(3x) - 9(2) // Using distributive property
= 3x³ + 2x² - 27x - 18 // Simplifying

Therefore, (x+3)(x-3)(3x+2) expands and simplifies to 3x³ + 2x² - 27x - 18.

There are 240 politicians at a meeting.

They each shake hands with everyone

else. How many handshakes were there?

Answers

there were 28,800 handshakes that occurred at the meeting.

How to solve the question?

In order to calculate the number of handshakes that occurred, we can use the formula for the sum of the first n-1 positive integers. The reason we use n-1 is because each person shakes hands with n-1 other people (themselves excluded).

The formula is:

(n-1) + (n-2) + (n-3) + ... + 1

where n is the number of people in the group.

In this case, n = 240, so we plug in:

(240-1) + (240-2) + (240-3) + ... + 1

Simplifying:

239 + 238 + 237 + ... + 1

We can see that this is an arithmetic series with a common difference of -1 and a first term of 239. Using the formula for the sum of an arithmetic series, we get:

S = n/2 * (first term + last term)

S = 240/2 * (239 + 1)

S = 240/2 * 240

S = 28,800

Therefore, there were 28,800 handshakes that occurred at the meeting.

It's worth noting that this calculation assumes that each handshake is counted twice (once for each person involved). If we only counted each handshake once, then we would need to divide our final answer by 2, giving us 14,400 handshakes.

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Is it just asking me a congruence theorem, does it want me to say what’s congruent to what, or does it just want the angles and or sides?

Answers

You are being asked to provide the minimum amount of information necessary to build a triangle that is congruence to the triangle shown in the image. All that is needed are the sides and angles.

What are the congruent triangle's five rules?

If two triangles satisfy all conditions for congruence, then they are congruent. They are right angle-hypotenuse-side (RHS), side-side-side (SSS), angle-side-angle (ASA), and angle-angle-side (AAS).

In order to form a triangle , two sides must be long and there must be an angle between them. A triangle's angle total is 180 degrees, and an acute angle is one with a measure of fewer than 90 degrees, among other triangle-related properties.

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Hence , the least amount of additional information that Andre needs to construct a triangle congruent to the given triangle is either the length of  one side or the lengths of two angles other than angle LKJ.

What  are the condition of congruent triangle?

If two triangles satisfy all conditions for congruence, then they are congruent. They are right angle-hypotenuse-side (RHS), side-side-side (SSS), angle-side-angle (ASA), and angle-angle-side (AAS).

How to construct congruent triangle?

To construct a triangle  congruent to the given triangle, Andre needs to know the length of at least one side or the length of two angles other than angle LKJ.

If Andre knows the length of one side, say LJ, he can construct a line segment of the same length, say MN, and then construct two angles at each end of the line segment congruent to angles LJK and LKJ. The triangle formed by  the three line segments LJ, JK, and KM will be congruent to the given triangle.

If Andre knows the lengths of two angles other than angle LKJ, he can use the  Law of Sines or Law of   Cosines to find the lengths of two sides, and then proceed as described above.

Therefore, the least amount of additional information that Andre needs to construct a triangle congruent to the given triangle is either the length of  one side or the lengths of two angles other than angle LKJ.

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Question 1 of 5
Find the measure of the exterior 21.
80°
65
OA. 145°
OB. 35°
O C. 15°
O D. 1001

Answers

Answer:

the answer is 145°

Step-by-step explanation:

the sum of other two non adjecent interior angle are equal to remot exterior angle . so 80° + 65° = 145°

A rectangle has the following dimension:
Length (x+1) cm
Width x cm.
Find the perimeter of the retangle.
A.(4x+2) cm^2
B.(2x+1) cm
C.(2x+1) cm^2
D.(4x+2) cm

Answers

Answer:

The process is below and the answer is D.

Step-by-step explanation:

[tex]perimeter \: = 2(l + b) \\ = 2((x + 1)cm + xcm) \\ = 2(x + 1 + x) \\ = 2(2x + 1)[/tex]

[tex](4x + 2)cm[/tex]

I hope it helped you

please Mark me the brainliest

What you write when you want to output the value of the variable x to the screen?

Answers

Programming languages, including Python, you can use the print() function to output the value of a variable to the screen.

To output the value of the variable x, you would write:

print(x)

The current value of the variable x in the console or terminal window.

If you want to include additional text in the output, you can concatenate it with the variable using the string concatenation operator "+" in Python like this:

print("The value of x is: " + str(x))

"The value of x is: " is a string of text that will be displayed before the value of x.

The str() function is used to convert the value of x to a string, so that it can be concatenated with the other text.

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A research survey of 2,006 public and private school students in the United States (grades
10-12) between April 12 and June 12, 2016 asked students if they agreed with the Statement, "If I make a mistake, I try to figure out where I went wrong." The survey found that 86% students agreed with the statement. The margin of error for the survey is ‡3.7%. Determine the range of surveyed students that agreed with the statement.

Answers

Answer: the range of surveyed students that agreed with the statement is between 82.3% and 89.7%.

Step-by-step explanation: The present study's margin of error has been estimated as ±3.7%. This indicates that the reported proportion of 86% of students who concurred with the statement may exhibit a margin of error of ±3.7%, encompassing potential values lower or higher than the reported percentage figure.

To ascertain the range of students surveyed who assented to the given statement, it is essential to ascertain the uppermost and lowermost attainable percentages that the factual percentage could reveal.

The maximum attainable percentage is equivalent to the sum of 86% and 3.7%, which yields a total of 89.7%.

The minimum percentage attainable has been calculated to be 82.3% by subtracting 3.7% from the initial value of 86%. Such a formulation adheres to the precision and technical accuracy expected in academic writing.

Pam practiced the trumpet for 1 1/8 hours on
Wednesday and 2 3/7 hours on Friday. How much longer was Friday's practice session than
Wednesday's?

Answers

Friday's practice session was 3 and 153/896 hours longer than

To find out how much longer Friday's practice session was than Wednesday's, we need to subtract Wednesday's practice time from Friday's practice time.

Friday's practice time is 2 3/7 hours. To make it easier to subtract, we can convert this mixed number to an improper fraction:

2 3/7 = (2 × 7 + 3) / 7 = 17/7

Now we can add this to Wednesday's practice time, which is already in improper fraction form:

1 1/8 = (1 × 8 + 1) / 8 = 9/8

Adding these two fractions, we get:

17/7 + 9/8

To add these fractions, we need to find a common denominator. The smallest number that both 7 and 8 divide into is 56, so we can convert both fractions to have 56 as the denominator:

17/7 × 8/8 = 136/56

9/8 × 7/7 = 63/56

Now we can add the numerators:

136/56 + 63/56 = 199/56

This is the total practice time for both Wednesday and Friday. To find out how much longer Friday's practice session was than Wednesday's, we need to subtract Wednesday's practice time from this total:

199/56 - 9/8

To subtract fractions, we need to find a common denominator again:

199/56 - 9/8 = (199/56) × (8/8) - (9/8) × (7/7) = 1425/448 - 63/56

Now we can subtract the numerators:

1425/448 - 63/56 = 2841/896

This is the difference between Friday's practice time and Wednesday's practice time, expressed as an improper fraction. To convert this back to a mixed number, we can divide the numerator by the denominator:

2841 ÷ 896 = 3 with a remainder of 153

So the answer is Friday's practice session was 3 and 153/896 hours longer than Wednesday's practice session.

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Jack and Carlie each deposit $17,250 into accounts that earn 6% interest for 6.5 years. Jack's account earns annual simple interest and Carlie's account earns annual compound interest. Who will earn more interest after 6.5 years, and how much more interest will they earn?

Answers

Okay, let's calculate the interest earned by each person over 6.5 years.

Jack's account earns annual simple interest, so the formula for simple interest is:

I = P * r * t

where:
I = interest earned
P = principal (initial amount deposited)
r = annual interest rate
t = time in years

Using the given values, we get:

I = 17,250 * 0.06 * 6.5
I = $6,332.50

Therefore, Jack will earn $6,332.50 in simple interest over 6.5 years.

Carlie's account earns annual compound interest, so the formula for compound interest is:

A = P * (1 + r/n)^(n*t)

where:
A = amount after time t
P = principal (initial amount deposited)
r = annual interest rate
n = number of times interest is compounded per year
t = time in years

Using the given values, we get:

A = 17,250 * (1 + 0.06/1)^(1*6.5)
A = $27,943.93

The amount after 6.5 years is $27,943.93, which includes the principal and compound interest earned. To find the amount of interest earned, we subtract the principal:

Interest earned = A - P = $27,943.93 - $17,250 = $10,693.93

Therefore, Carlie will earn $10,693.93 in compound interest over 6.5 years.

So, Carlie will earn more interest than Jack, and the difference between the interest earned is:

$10,693.93 - $6,332.50 = $4,361.43

Therefore, Carlie will earn $4,361.43 more interest than Jack over 6.5 years.

Isaiah is trying to find the height of a radio antenna on the roof of a local building. He stands at a horizontal distance of 20 meters from the building. The angle of elevation from his eyes to the roof ( (point � A ) ) is 32 ∘ ∘ , and the angle of elevation from his eyes to the top of the antenna ( (point � B ) ) is 43 ∘ ∘ . If his eyes are 1.62 meters from the ground, find the height of the antenna ( (the distance from point � A to point � B ) ). Round your answer to the nearest meter if necessary.

Answers

The height of the antenna is approximately 29 meters.

What is the angle of elevation?

The point of rise is a point that is framed between the even line and the view. An angle of elevation is formed when the line of sight extends upward from the horizontal line.

We should refer to the level of the structure as "h" and the level of the receiving wire "x". Two equations can be created with the help of the tangent function:

Since the elevation angle to the roof is 32 degrees,

tan(32) = h/20, and

tan(43) = (h+x)/20

because the elevation angle to the antenna's peak is 43 degrees.

We can solve for "h" in the first equation by multiplying both sides by 20:

h = 20 tan(32)

We can substitute this expression for "h" into the second equation:

tan(43) = (20 tan(32) + x)/20

Now we can solve for "x":

x = 20 tan(43) - 20 tan(32)

We can then add the height of Isaiah's eyes (1.62 meters) to get the total height of the antenna:

height = x + 1.62

Plugging in the values and using a calculator, we get:

height ≈ 28.7 meters

As a result, the antenna stands about 28.7 meters tall. The answer is 29 meters when rounded to the nearest meter.

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Solve for length of segment c.
3 cm
12 cm
18 cm
C = [?] cm
If two segments intersect inside
or outside a circle: ab = cd

Answers

The value of c for the intersecting secants is derived to be equal to 2 cm

What is the intersecting secant theorem

The intersecting secant theorem, also known as the secant-secant theorem, states that when two secant lines intersect outside a circle, the product of the length of one secant segment and its external segment is equal to the product of the length of the other secant segment and its external segment.

c × 18 cm = 3 cm × 12 cm

c18 cm = 36 cm²

c = 36 cm²/18 cm

c = 2 cm

Therefore, the value of c for the intersecting secants is derived to be equal to 2 cm.

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Answer:

c=2cm

Step-by-step explanation:

ab=cd

3•12=18•c

36=18(c)

36/18=2

18(c)=c

c=2

Which equations are true for x = –2 and x = 2? Select two options x2 – 4 = 0 x2 = –4 3x2 + 12 = 0 4x2 = 16 2(x – 2)2 = 0

Answers

The correct equations for x = - 2 and x = 2 are,

⇒ x² - 4 = 0

⇒ 4x² = 16

We have to given that;

Find the equations which are true for x = - 2 and x = 2.

Now, We can simplify as;

⇒ x² - 4 = 0

⇒ x² = 4

⇒ x = ± 2

⇒ x² = - 4

⇒ x = ±2i

⇒ 3x² + 12 = 0

⇒ x² + 4 = 0

⇒ x = ±2i

⇒ 4x² = 16

⇒ x² = 4

⇒ x = ±2

⇒ 2 (x - 2)² = 0

⇒ (x - 2)² = 0

⇒ x = 2, 2

Thus, The correct equations for x = - 2 and x = 2 are,

⇒ x² - 4 = 0

⇒ 4x² = 16

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I need help solving this equation. I keep getting the +/- mixed up.
12-tx2-pn=12-t(2-x)2-pm
12-tx2-pn=12-4t+4tx-tx2-pm
Eliminate the 12 and tx2
-pn=-4t+4tx-pm
-4tx=-4t + pn-pm
divide both sides by -4t
x=1 - (pm-pn)/4t
I am not sure if this is right, but I have x= 1-(pm-pn)/4t

Answers

It looks like you did a great job solving the equation, and your final answer is correct. Here is a brief summary of the steps you took:
your final answer is correct[tex]: x = 1 - (pm - pn) / 4t[/tex]

Mathematics has been classified into many branches. Arithmetic is the branch that handles numbers and their operations. Arithmetic taught us addition, subtraction, multiplication and divisions of two or more numbers. Geometry is all about shapes and their construction using different tools like a compass, ruler and pencil. Algebra is another interesting branch where we express our daily life situations in numbers and letters (variables).
1. Expanded the equation: [tex]12 - tx^2 - pn = 12 - t(2 - x)^2 - pm[/tex]
2. Simplified: [tex]12 - tx^2 - pn = 12 - 4t + 4tx - tx^2 - pm[/tex]
3. Eliminated the 12 and tx^2 terms: -pn = -4t + 4tx - pm
4. Rearranged the equation:[tex]-4tx = -4t + pn - pm[/tex]
5. Divided both sides by [tex]-4t: x = 1 - (pm - pn) / 4t[/tex]
So, your final answer is correct[tex]: x = 1 - (pm - pn) / 4t[/tex]

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