The Venn diagram shows below the number of customers in a restaurant who ordered a starter or a dessert. A customer is picked at random. If they ordered a dessert, what is the probability that they did *not* order starter? Give your answer as fraction in its simplest form.

The Venn Diagram Shows Below The Number Of Customers In A Restaurant Who Ordered A Starter Or A Dessert.

Answers

Answer 1

Answer:

Step-by-step explanation:

23 people ordered dessert.

8 of these ordered only a dessert.

P(not starter | ordered dessert) [tex]=\frac{8}{23}[/tex]


Related Questions

Four high jumpers listed their highest jump in the chart.



Which person jumped the highest?
anna: 2.1 yards
javier 72 inches
charles 5 feet 11 inches
yelena 74 inches

Responses?

Answers

Based on the given information, Yelena jumped the highest with a jump of 74 inches (6.17 feet).

What is measurement?

Measurement is the process of assigning a numerical value to a physical quantity, such as length, mass, time, temperature, or volume. It is a fundamental aspect of science, engineering, and everyday life. In order to measure something, we need a unit of measurement, which is a standard reference quantity that is used to express the measurement. For example, meters or feet are commonly used units for length, while grams or pounds are used for mass.

To compare the high jumps of the four athletes, we need to convert all the measurements to the same unit.

Anna: 2.1 yards = 6.3 feet

Javier: 72 inches = 6 feet

Charles: 5 feet 11 inches = 71 inches = 5.92 feet

Yelena: 74 inches = 6.17 feet

So, Yelena jumped the highest with a jump of 74 inches (6.17 feet).

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Raquel is presented with two loan options for a $60,000 student loan. Option A is a 10-year fixed rate loan with an annual interest rate of 4%, while Option B is a 20-year fixed-rate loan with an annual interest rate of 3%. Calculate the monthly payment for each option. What is the total amount paid over the life of the loan for each option? What is the total interest paid over the life of the loan for each option?

Answers

Answer:

To calculate the monthly payment for each option, we can use the loan formula:

Payment = (P * r) / (1 - (1 + r)^(-n))

where P is the principal amount, r is the monthly interest rate, and n is the total number of payments.

For Option A, the principal amount is $60,000, the interest rate is 4% per year, and the loan term is 10 years. We first need to convert the annual interest rate to a monthly interest rate:

r = 4% / 12 = 0.00333333 (rounded to 8 decimal places)

n = 10 years * 12 months/year = 120 months

Using the loan formula, we get:

Payment = (60000 * 0.00333333) / (1 - (1 + 0.00333333)^(-120)) = $630.55

Therefore, the monthly payment for Option A is $630.55.

For Option B, the principal amount is also $60,000, the interest rate is 3% per year, and the loan term is 20 years. We convert the annual interest rate to a monthly interest rate:

r = 3% / 12 = 0.0025 (rounded to 4 decimal places)

n = 20 years * 12 months/year = 240 months

Using the loan formula, we get:

Payment = (60000 * 0.0025) / (1 - (1 + 0.0025)^(-240)) = $342.61

Therefore, the monthly payment for Option B is $342.61.

To calculate the total amount paid over the life of the loan for each option, we simply multiply the monthly payment by the total number of payments:

For Option A, the total amount paid = $630.55 * 120 months = $75,665.92

For Option B, the total amount paid = $342.61 * 240 months = $82,226.40

To calculate the total interest paid over the life of the loan for each option, we subtract the principal amount from the total amount paid:

For Option A, the total interest paid = $75,665.92 - $60,000 = $15,665.92

For Option B, the total interest paid = $82,226.40 - $60,000 = $22,226.40

Therefore, Option A has a lower monthly payment and total amount paid over the life of the loan, but Option B has a longer loan term and a lower interest rate, resulting in a higher total interest paid over the life of the loan

Two functions g and f are defined in the figure below.

Answers

The domain of fog is: Domain of fog = {x ∈ R | 3 ≤ g(x) ≤ 9}

The range of fog is:  Range of fog = {1, 2, 5}

What is domain and range?

The domain of a function is the set of all possible input values (usually denoted by x) for which the function is defined.

The range of a function is the set of all possible output values (usually denoted by y) that the function can produce for its corresponding inputs in the domain.

(a) Domain of fog:

The domain of fog is the set of all inputs for which the composition is defined. Since g is defined for all values in its domain, and f is defined for all values in the range of g, the domain of fog is the set of all values in the domain of g for which g(x) is in the domain of f.

(b) Range of fog:

The range of fog is the set of all possible outputs of the composition. Since g is defined for all values in its domain, and f is defined for all values in the range of g, the range of fog is the set of all possible outputs of f when its input is an output of g.

Range of fog = {f(g(x)) | x ∈ R, 3 ≤ g(x) ≤ 9}

To determine the values in the range of fog, we need to evaluate f(g(x)) for each x in the domain of fog. We can do this by first determining the outputs of g for each value in its domain, and then evaluating f at those outputs.

The outputs of g for x = 4, 5, 7 are:

g(4) = 6

g(5) = 8

g(7) = 9

Since f is defined for all values in the range of g, we can evaluate f at each of these outputs to get:

f(g(4)) = f(6) = 5

f(g(5)) = f(8) = 2

f(g(7)) = f(9) = 1

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The length of o a rectangle is 12 cm and its width is 2 cm less than ¾ of its length

Draw an illustration pls

Answers

Answer:

Certainly, here's an illustration:

       ----------------------

       |                    |

 2cm   |                    |

       |                    |  12cm

       |                    |

       ----------------------

           <---- ¾ of 12cm --->

             (9cm - 2cm)

               = 7cm

In this illustration, the rectangle is represented by a box with a length of 12cm and a width of 7cm. The width is calculated by taking ¾ of the length (which is 9cm) and subtracting 2cm from it. The dimensions of the rectangle are shown inside the box, with the length indicated by the vertical line and the width indicated by the horizontal line.

the words at the bottom go into the boxes (statements and reasons)

Answers

According to the quadrilaterals, the proof perpendicularity and congruence are stated below.

How to determine congruency of quadrilateral lines?

Proof #7:

Statement | Reasons

XY | ZW | Given

XW bisects ZY | Given

ZR ≅ RY | Definition of segment bisector

∠XRY ≅ ∠RW | Alternate interior angles theorem

ΔXRY ≅ ΔWRZ | AAS ≅ theorem

∠XYR ≅ ∠WZR | Definition of segment bisector and corresponding parts of congruent triangles

Proof #8:

Statements | Reasons

EF ≅ HL | Given

∠PER ≅ ∠PHE | Given

∠EPF and ∠HPL are right angles | Definition of perpendicular lines

EP ≅ PH | Definition of perpendicular bisector

AEFP ≅ AHLP | SAS ≅ theorem

ΔEFP ≅ ΔHLP | Base angles converse theorem

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Image transcribed:

A Proof #7

Given: XY || ZW

XW bisects ZY

Prove: ΔXRY ≅ ΔWRZ

Statements | Reasons

1.                | 1.

2.                | 2.

3.                | 3.

4.                | 4.

5.                | 5.

6.                | 6.

XY || ZW,   Alternate Int. ∠ Theorem,   AAS ≅ Theorem

∠XRY ≅ ∠RW,    Def. of Segment Bisector,   ZR ≅ RY

ΔXRY ≅ ΔWRZ,    ∠XYR ≅ ∠WZR,    XW bisects ZY

ASA ≅ Theorem,   Given,     Vertical Angles ≅ Theorem

A Proof # 8

Given: EL ⊥ FH, ∠PEH ≅ ∠PHE

EF ≅ HL

Prove: ΔEFP ≅ ΔHLP

Statements | Reasons

1.                | 1.

2.                | 2.

3.                | 3.

4.                | 4.

5.                | 5.

6.                | 6.

EF ≅ HL,    AEFP ≅ AHLP,    EP ≅ PH,    ∠PER ≅ ∠PHE

HL ≅ Theorem,      SAS ≅ Theorem,      Base Angles Converse Theorem

Definition of ⊥ Lines,     ∠EPF and ∠HPL are right angles

EL ⊥ FH,        Given

A hot-air ballon is flying at an altitude of 2828 feet. If the angle of depression from the pilot in the balloon to a house on the ground below is 32°,how far is the house from the pilot

How far is the house away from the pilot in feet ( do not round until the final answer, Then round to the nearest tenth as needed)

Answers

Therefore, the distance between the pilot and the home is roughly 5,348.2 feet.

The height of the balloon divided by the neighboring side yields the tangent of the angle of depression (the distance from the balloon to the house).

Tan(32°) is therefore equal to 2828/x,

where x is the distance between the balloon and the home.

The answer to the x equation is

x = 2828/tan(32°)

Value of tan 32° = 0.6610060414

x=  5,348.2 feet.

What if the indentation was at a 45-degree angle?

The height of the balloon divided by the neighboring side yields the tangent of the angle of depression (the distance from the balloon to the house).

Tan(45°) is therefore equal to 2828/x, where x is the distance between the balloon and the home.

The answer to the x-problem is x = 2828/tan(45°) 2828 feet.

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The sum of a number times 10 and 20 is at most -19.

Answers

The solution to the problem is that the number "x" must be less than or equal to -3.9 in order for the sum of "a number times 10 and 20" to be at most -19.

What is Algebraic expression ?

An algebraic expression is a mathematical phrase that can contain variables, constants, and operators (such as addition, subtraction, multiplication, and division) that are used to represent quantities and their relationships.

Let's use algebra to solve this problem.

Let's call the number we're trying to find "x".

The sum of "a number times 10 and 20" can be written as "10x + 20".

So, we can translate the statement "the sum of a number times 10 and 20 is at most -19" into an equation:

10x + 20 ≤ -19

Now we can solve for x:

10x + 20 ≤ -19

Subtract 20 from both sides:

10x ≤ -39

Divide both sides by 10:

x ≤ -3.9

Therefore, the solution to the problem is that the number "x" must be less than or equal to -3.9 in order for the sum of "a number times 10 and 20" to be at most -19.

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Use the graph to answer the question.
picture of graph below
Determine the translation used to create the image.
A. 4 units to the right
B. 4 units to the left
C. 8 units to the right
D. 8 units to the left​

Answers

Answer:

(D) 8 units to the left

Step-by-step explanation:

Took the test, got it right. FLVS

A 25-foot ladder leans against a house. The bottom of the ladder is 7 feet from the house.

To the nearest degree, what angle does the ladder make with the ground?

Answers

Answer: it makes 74 degree

Step-by-step explanation: This forms a right triangle. The 25-ft ladder is the hypotenuse of the right triangle. and the 7ft bottom of the ladder is the base of a triangle

For the angle where the ladder meets the ground, the

ground is the adjacent leg. The ladder is the hypotenuse.

Call the angle between the ladder and the ground angle A.

The trig ratio that relates the adjacent leg and the hypotenuse is cosine.

60% of the students in a class are boys. If there are 16 girls in the class, how many boys are there

Answers

Answer: Let the total number of students in the class be x.

Then the number of boys in the class is 60% of x, or 0.6x.

And the number of girls in the class is 16.

We can write an equation based on the information given:

0.6x + 16 = x

Solving for x:

0.4x = 16

x = 40

Therefore, there are 0.6x = 24 boys in the class.

Step-by-step explanation:

what percent is this ?

Answers

a) The percentage of residents who liked the local parks out of those surveyed is 30%.

b) The percentage of the residents who liked the school system out of those surveyed is 60%.

What is the percentage?

The percentage refers to a portion of a whole value or quantity, expressed in percentage terms.

The percentage is a ratio, which compares a value of interest with the whole, and is computed by multiplying the quotient of the division operation between the particular value and the whole value by 100.

The total number of Plana residents surveyed = 240

The number of residents who responded that they liked the local parks = 72

The percentage of residents who liked the local parks = 30% (72 ÷ 240 x 100)

The number of residents who responded that they liked the school system = 144

The percentage of residents who liked the school system = 60% (144 ÷ 240 x 100).

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WILL GIVE BRAINLIEST + GIFTCARD IF CORRECT!! HELP FAST!!
4. A pilot at an altitude of 2000 ft is over a spot 8020 ft from the end of an airport's runway. At what angle of depression should the pilot see the end of the runway?

Answers

Answer:

14°

Step-by-step explanation:

Let a be the angle of depression.

Set your calculator to degree mode.

[tex]tan(a) = \frac{2000}{8020} [/tex]

[tex] a = {tan}^{ - 1} \frac{2000}{8020} = 14[/tex]

So a = 14°

Answer: 14°

Step-by-step explanation:

tan(x) = 8020/2000

x = tan^-1 (8020/2000)

x = 75.99 ≈ 76°

Angle of Dep = 90 - 76

Angle of Dep = 14°

Find the slope of a line perpendicular to the line whose equation is x + y = 3. Fully
simplify your answer.

Answers

Answer:

To find the slope of a line perpendicular to another line, we need to first find the slope of the given line. The equation of the given line is x + y = 3. We can rewrite this equation in slope-intercept form (y = mx + b) by solving for y: y = -x + 3 So the slope of the given line is -1. To find the slope of a line perpendicular to this line, we know that it will have a slope that is the negative reciprocal of -1, which is 1. Therefore, the slope of a line perpendicular to the line whose equation is x + y = 3 is 1.

Answer: 1

Step-by-step explanation:

The given equation x + y = 3 can be rearranged to slope-intercept form, which is y = -x + 3.

To find the slope of this line, we can see that the coefficient of x is -1. Therefore, the slope of the line is -1.

To find the slope of a line perpendicular to this line, we need to take the negative reciprocal of the slope of the given line.

The negative reciprocal of -1 is 1/1 or simply 1. Therefore, the slope of a line perpendicular to the line x + y = 3 is 1.

ASAP JUST ONE QUESTION ASAP ASAP ASAP
Number 5

Answers

Answer:

54 degrees

Step-by-step explanation:

Any angle subtended by the angle is twice the angle subtended by the same angle.

Or m<LMP =2m<LNM.

So m<LNM = 108/2 = 54 degrees.

Suppose 31% of women would prefer to drink tea over coffee. In a random sample of 7 women, what is the probability that the number of women that would prefer to drink tea over coffee is within 1 standard deviation of the mean?
Group of answer choices

0.2342

0.500

0.5519

0.6827

0.786

Answers

0.2342 is the probability that the number of women that would prefer to drink tea over coffee is within 1 standard deviation of the mean

How to find the probability

Let's start by finding the mean and standard deviation of the number of women who prefer to drink tea over coffee in a sample of 7 women.

The mean is given by:

μ = np

where n is the sample size and p is the probability of success (the proportion of women who prefer tea over coffee).

So, for this problem, μ = 7 * 0.31 = 2.17

The standard deviation is given by:

σ = sqrt(np(1-p))

where sqrt denotes the square root.

So, for this problem, σ = sqrt(7 * 0.31 * (1 - 0.31)) = 1.22

2.17 - 1.22, 2.17 + 1.22

= 0.95, 3.39

using binomial probability

p^x * 1 - p

= 0.31 * 7 x 0.108

= 0.2342

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Given Circle M with diameter and area as marked.
Solve for x.
X= _
(2x+12) km Diameter
Calculate the Circumference in terms of pi _
A=289km²

Answers

After answering the presented question, we can conclude that  area of Circle M, [tex]C = 2\pi [(17/\pi )^0.5] km\\[/tex]

What is circle?

A circle appears to be a two-dimensional component that is defined as the collection of all places in a jet that are equidistant from the hub. A circle is typically depicted with a capital "O" for the centre and a lower portion "r" for the radius, which represents the distance from the origin to any point on the circle. The formula 2r gives the girth (the distance from the centre of the circle), where (pi) is a proportionality constant about equal to 3.14159. The formula r2 computes the circumference of a circle, which relates to the amount of space inside the circle.

area of Circle M,

[tex]289 = \PI(x + 6)^2\\289/\PI = (x + 6)^2\\\sqrt(289/\pi ) = x + 6\\(17/\pi )^0.5 - 6 = x\\x = (17/\pi )^0.5 - 6 km\\C = \pi (2x + 12) km\\C = 2\pi (x + 6) km\\[/tex]

[tex]C = 2\pi [(17/\pi )^0.5] km\\[/tex]

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Write the expression as a product

1-(2x-1)^2

Answers

Answer: -4x(x-1)

Step-by-step explanation:

Since both are perfect squares just factor.

PLEASEEEEE im begging thank you

Answers

Answer:

D

Step-by-step explanation:

-6 is constant because it has a degree of 0

3x is linear because it has a degree of 1

[tex]4x^{2}[/tex] is quadratic because it has a degree of 2

So the answer is D

Matt is 3 times as old as his brother Nick. Oscar is 5 years younger than
Nick.

Write an expression in simplest form that represents the sum (+) of their
ages.

Answers

Answer:

(4x - 5) years old

Step-by-step explanation:

Nick = x years old

Matt = (3 x X)

=3x years old

Oscar = (x - 5) years old

total age = x + 3x + (x - 5)

= (4x - 5) years old

What is the measure of DE? ​

Answers

Answer: 20

Step-by-step explanation:

can someon-e help........................

Answers

After answering the presented question, we can conclude that inequality therefore, the solution for z is z < -7.

What is inequality?

In mathematics, an inequality is a non-equal connection between two expressions or values. As a result, imbalance leads to inequity. In mathematics, an inequality connects two values that are not equal. Inequality is not the same as equality. When two values are not equal, the not equal symbol is typically used (). Various disparities, no matter how little or huge, are utilised to contrast values. Many simple inequalities can be solved by altering the two sides until just the variables remain. Yet, a lot of factors contribute to inequality: Negative values are divided or added on both sides. Exchange left and right.

[tex]15 - 3(2 - z) < -12\\15 - 6 + 3z < -12 \\9 + 3z < -12 \\3z < -21 \\z < -7 \\[/tex]

Therefore, the solution for z is z < -7.

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What is the point and slope of the equation y-8=4(x+3)

Answers

Answer:

that's the slope of the y intercept

Solve the problems.
The number a is less than the number b by (1)/(5) of b. By what part of a is b greater than a ?

Answers

Answer:

B is greater than A by 1/4 of A

Step-by-step explanation:

Let's use the information given in the problem to write expressions for the values of a and b:

a = b - (1/5)b = (4/5)b

b is greater than a by the difference:

b - a = b - (4/5)b = (1/5)b

To express this difference as a fraction of a, we divide by a:

(b - a)/a = ((1/5)b)/((4/5)b) = 1/4

Therefore, b is greater than a by 1/4 of a.

Find the lower quartile and upper quartile of the data set.
lower quartile: 13
upper quartile: 27
About ?
minutes
Complete the statement about the data set.
About ?
minutes
of students ride the bus for less than 13 minutes.
of students ride the bus for less than 27 minutes.

help pls

Answers

About 25% of students ride the bus for less than 13 minutes.

About 75% of students ride the bus for less than 27 minutes.

What is median?

Median is a measure of central tendency that represents the middle value in a dataset when the values are arranged in order of magnitude.

In this case, the median is 21 minutes. This means that half of the students ride the bus for less than 21 minutes and half of the students ride the bus for more than 21 minutes.

The lower quartile (Q1) is the value that separates the lowest 25% of the data from the other 75%. In this case, the lower quartile is 13 minutes. This means that 25% of the students ride the bus for less than 13 minutes and 75% ride the bus for more than 13 minutes.

The upper quartile (Q3) is the value that separates the highest 25% of the data from the other 75%. In this case, the upper quartile is 27 minutes. This means that 75% of the students ride the bus for less than 27 minutes and 25% ride the bus for more than 27 minutes.

So, to answer the statement about the data set:

About 25% of students ride the bus for less than 13 minutes. (this is because the lower quartile separates the lowest 25% of the data from the other 75%)

About 75% of students ride the bus for less than 27 minutes. (this is because the upper quartile separates the highest 25% of the data from the other 75%)

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A charity organization had a fundraiser where each ticket was sold for a fixed price. After selling
200
200200 tickets, they had a net profit of
$
12
,
000
$12,000dollar sign, 12, comma, 000. They had to sell a few tickets just to cover necessary production costs of
$
1
,
200
$1,200dollar sign, 1, comma, 200.
Let

yy represent the net profit (in dollars) when they have sold

xx tickets.
Which of the following could be the graph of the relationship?
Choose 1 answer:

Answers

The net profit can be calculated by subtracting the production costs from the total revenue generated by selling tickets. Since each ticket was sold for a fixed price, we can assume that the relationship between the net profit and the number of tickets sold is linear.

We know that when 200 tickets were sold, the net profit was $12,000, which means that the slope of the linear function is:

[tex]\text{slope = (net profit at 200 tickets - net profit at 0 tickets)} \div (200 - 0)[/tex]

[tex]\text{slope} = (\$12,000 - \$1,200) \div 200[/tex]

[tex]\text{slope} = \$55[/tex]

The y-intercept of the linear function represents the net profit when no tickets have been sold, which is equal to the negative of the production costs:

[tex]\text{y-intercept} = -\$1,200[/tex]

Therefore, the equation of the linear function is:

[tex]\text{y} = \$55x - \$1,200[/tex]

where x is the number of tickets sold and y is the net profit in dollars.

The graph of this function is an increasing linear function in quadrant 1 with a positive y-intercept, which is choice A. Therefore, the answer is choice A: graph of an increasing linear function in quadrant 1 with a positive y-intercept.

suppose a charity received a donation of 15.2 million. if this represents 56% of the charity's donation funds, what is the total amount of it's donated funds? round answer to nearest million dollars

Answers

Answer:

27 million dollars

Step-by-step explanation:

Let x be the total amount of the charity's donated funds. We know that the donation of 15.2 million represents 56% of x.

We can set up the following equation to solve for x:

15.2 million = 0.56x

Dividing both sides by 0.56, we get:

x = 15.2 million / 0.56 = 27.14 million

Therefore, the total amount of the charity's donated funds is approximately 27 million dollars.

Answer:

27 million

Step-by-step explanation:

create the equation

[tex]\frac{15200000}{x} =\frac{56}{100}[/tex], where x is equivalent to the total amount of donation funds

solve the equation by cross multiplying

[tex]x=2714285 \frac{5}{7}[/tex],

this can be simplified to 27 million

Construct a polynomial function with the following properties: fifth degree, 2 is a zero of multiplicity 4 , −3 is the only other zero, leading coefficient is 2 .

Answers

The pοlynοmial functiοn with a fifth degree, 2 as a zerο οf multiplicity 4, −3 as the οnly οther zerο, and a leading cοefficient οf 2 is:

[tex]f(x) = 2(x-2)^4(x+3) = 2x^5 - 32x^4 + 192x^3 - 384x^2 + 216x + 1080[/tex]

What is Polynomial Function?

A pοlynοmial functiοn is a mathematical functiοn οf the fοrm [tex]f(x) = a_n x^n + a_{n-1} x^{n-1} + ... + a_1 x + a_0[/tex], where the coefficients[tex]a_n, a_{n-1}, ..., a_1, a_0[/tex] are constants, x is the variable, and n is a non-negative integer. It is a functiοn that can be graphed as a smοοth curve with nο breaks οr jumps.

If 2 is a zerο οf multiplicity 4, then the pοlynοmial functiοn must have the factοr[tex](x-2)^4[/tex].

If −3 is the οnly οther zerο, then the pοlynοmial functiοn must alsο have the factοr (x+3).

The pοlynοmial functiοn with these properties and a leading cοefficient οf 2 can be written as:

[tex]f(x) = 2(x-2)^4(x+3)[/tex]

Expanding this polynomial gives:

[tex]f(x) = 2x^5 - 32x^4 + 192x^3 - 384x^2 + 216x + 1080[/tex]

Therefore, the polynomial function with a fifth-degree, 2 as a zero of multiplicity 4, −3 as the only other zero, and a leading coefficient of 2 is:

[tex]f(x) = 2(x-2)^4(x+3) = 2x^5 - 32x^4 + 192x^3 - 384x^2 + 216x + 1080[/tex]

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Find the coordinates of the circumcenter of the triangle with the given vertices. (-7,-1) (-1,-1) (-7,-9)

Answers

Answer:

The circumcenter of the triangle with vertices (-7, -1), (-1, -1), and (-7, -9) is (-4, -8).

Step-by-step explanation:

To find the coordinates of the circumcenter of the triangle with vertices (-7, -1), (-1, -1), and (-7, -9), we can use the following steps:

Step 1: Find the midpoint of two sides

We first find the midpoint of two sides of the triangle. Let's take sides AB and BC:

Midpoint of AB: ((-7 + (-1))/2, (-1 + (-1))/2) = (-4, -1)

Midpoint of BC: ((-1 + (-7))/2, (-1 + (-9))/2) = (-4, -5)

Step 2: Find the slope of two sides

Next, we find the slope of the two sides AB and BC:

Slope of AB: (-1 - (-1))/(-1 - (-7)) = 0/6 = 0

Slope of BC: (-9 - (-1))/(-7 - (-1)) = -8/(-6) = 4/3

Step 3: Find the perpendicular bisectors of two sides

We can now find the equations of the perpendicular bisectors of the two sides AB and BC. Since the slope of the perpendicular bisector is the negative reciprocal of the slope of the side, we have:

Equation of perpendicular bisector of AB:

y - (-1) = (1/0)[x - (-4)]

x = -4

Equation of perpendicular bisector of BC:

y - (-5) = (-3/4)[x - (-4)]

y + 5 = (-3/4)x - 3

y = (-3/4)x - 8

Step 4: Find the intersection of perpendicular bisectors

We now find the point of intersection of the two perpendicular bisectors. Solving for x and y from the two equations, we get:

(-4, -8)

Therefore, the circumcenter of the triangle with vertices (-7, -1), (-1, -1), and (-7, -9) is (-4, -8).

Consider the function f(x) = (x + 2)2 + 1. Which of the following functions shifts the graph of f(x) to the right three units?

Answers

The function f(x) will be after shifting is g(x)= (x – 1)² + 1

The function f is used to move the graph of a function f(x) to the right by h units (x-h). This is because when we substitute x with x-h in f(x), we obtain f(x-h), meaning that we are substituting x with x+h in the initial function f. (x). Hence, if we wish to move the graph of f(x) = (x + 2)² + 1 three units to the right, we may do it by using the function f(x-3) to move the graph three units to the right.

g(x)=(x-3+2)²+1

g(x)= (x – 1)² + 1

The complete question is

Consider the function f(x) = (x + 2)2 + 1. Which of the following functions shifts the graph of f(x) to the right three units?

g(x) = (x + 5)2 + 1

g(x) = (x + 2)2 + 3

g(x) = (x – 1)2 + 1

g(x) = (x + 2)2 – 2

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1/csc x+1 - 1/csc x-1 = -2tan^2 x

I can not figure out how to verify the identity for this problem.
Please help.

Answers

The identity 1/csc x+1 - 1/csc x-1 = [tex]-2tan^2 x[/tex] is verified and correct.

To verify the identity:

[tex]\\\frac{1}{csc x+1} - \frac{1}{csc x-1} = -2tan^2 x[/tex]

Starting with the reciprocal identity, we can say:

csc x = [tex]\frac{1}{sin x}[/tex]

So we have:

[tex]1/(1/sin x + 1) - 1/(1/sin x - 1) = -2tan^2 x[/tex]

We need to identify a common denominator in order to simplify the left side of the equation. The common denominator is:

[tex](1/sin x + 1)(1/sin x - 1) = (1 - sin x)/(sin x)^2[/tex]

As a result, we can change the left side of the equation to read:

[tex][(1 - sin x)/(sin x)^2] [(sin x - 1)/(sin x + 1)] - [(1 - sin x)/(sin x)^2] [(sin x + 1)/(sin x - 1)][/tex]

Simplifying this expression by multiplying the numerators and denominators, we get:

[tex](1 - sin x)(sin x - 1) - (1 - sin x)(sin x + 1) / (sin x + 1)(sin x - 1)(sin x)^2[/tex]

Expanding the brackets and simplifying, we get:

[tex]-(2sin^2 x - 2sin x) / (sin x + 1)(sin x - 1)(sin x)^2[/tex]

Factor out -2sin x from the numerator:

[tex]-2sin x(sin x - 1) / (sin x + 1)(sin x - 1)(sin x)^2[/tex]

Simplifying, we get:

[tex]-2sin x / (sin x + 1)(sin x)^2[/tex]

Now, we can use the identity:

[tex]tan^2 x = sec^2 x - 1 = (1/cos^2 x) - 1 = sin^2 x / (1 - sin^2 x)[/tex]

Simplifying, we get:

[tex]sin^2 x = tan^2 x (1 - tan^2 x)[/tex]

When we add this to the initial equation, we obtain:

[tex]-2sin x / (sin x + 1)(sin x)^2 = -2tan^2 x(sin x)/(sin x + 1)[/tex]

Now, we can use the identity:

sin x / (sin x + 1) = 1 - 1/(sin x + 1)

Simplifying, we get:

[tex]-2tan^2 x(sin x)/(sin x + 1) = -2tan^2 x + 2tan^2 x / (sin x + 1)[/tex]

When we add this to the initial equation, we obtain:[tex]-2tan^2 x + 2tan^2 x / (sin x + 1) = -2tan^2 x[/tex]

Simplifying, we get:

[tex]-2tan^2 x = -2tan^2 x[/tex]

Therefore, the identity is verified.

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