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Answers

Answer 1

Answer:

a) ∠XWY = 53°

b) ∠XZY = 106°

Step-by-step explanation:

The relationship between the central angle and the arc length is that they're equal. So, if arc XY = 106° this means that ∠XZY = 106°.

The relationship between the central angle ∠XZY and the inscribed angle ∠XWY is that the inscribed angle is half the value of the central one.

So, ∠XWY= ∠XZY/2 = 106/2 = 53

Results:

∠XWY = 53°

∠XZY = 106°


Related Questions

One of the local homeless shelters received a donation of 852 blankets to help support the homeless population during the harsh winter months. They plan on distributing them to all 7 of the local shelters. How many blankets will each shelter get? Will there be any leftover? If so, how many?

Answers

Answer:

Each shelter would get 121 blankets

And there would be 5 blankets left over

Step-by-step explanation:

One of the local homeless shelters received a donation of 852 blankets to help support the homeless population during the harsh winter months. They plan on distributing them to all 7 of the local shelters. How many blankets will each shelter get? Will there be any leftover? If so, how many?

From the above question

7 local shelters = 852 blankets

1 local shelters = x blankets

Cross Multiply.

7x = 852 blankets

x = 852 blankets/7

x = 121 5/7 blankets

Therefore, Each shelter would get 121 blankets

And there would be 5 blankets left over

5. Does the graph represent a function? *
1 point
Yes
O No

Answers

The vertical line test can be used to determine whether a graph represents a function. A vertical line includes all points with a particular
x
x
value. The
y
y
value of a point where a vertical line intersects a graph represents an output for that input
x
x
value. If we can draw any vertical line that intersects a graph more than once, then the graph does not define a function because that
x
x
value has more than one output. A function has only one output value for each input value.

Answer:

No

Step-by-step explanation:

i did it on khan

How much more does the 5-year loan cost overall than the 4-year loan?

Answers

Answer:

$600 overall

Step-by-step explanation:

Answer:

$600 more overall

Step-by-step explanation:

i'm great at math

The simplest polynomial function with zeros 7, square root 13 and 27i would be of what degree

Answers

Answer:

The simplest polynomial function is [tex]y = x^{4}-(7+\sqrt{13})\cdot x^{3}+(27+7\sqrt{13})\cdot x^{2}-(189+27\sqrt{13})\cdot x + 189\sqrt{13}[/tex].

Step-by-step explanation:

A n-th order polynomial in factorized form is defined by:

[tex]y = (x-r_{1})\cdot (x-r_{2})\cdot ...\cdot (x-r_{n-1})\cdot (x-r_{n})[/tex] (1)

Where:

[tex]x[/tex] - Independent variable.

[tex]y[/tex] - Dependent variable.

[tex]r_{1}[/tex], [tex]r_{2}[/tex],..., [tex]r_{n-1}[/tex], [tex]r_{n}[/tex] - Roots of the polynomial.

We know that three roots, two real and a complex root. By Quadratic Formula,  a second order polynomial has two conjugated complex number of the form [tex]a + i\,b[/tex] and [tex]a - i\,b[/tex]. Hence, there is an additional zero: [tex]-i\,27[/tex].

By applying (1), we have the following polynomial when all roots are used:

[tex]y = (x-7)\cdot (x-\sqrt{13})\cdot (x-i\,27)\cdot (x+i\,27)[/tex]

By factorization and algebraic handling we have the simplest polynomial function:

[tex]y = [x^{2}-(7+\sqrt{13})\cdot x +7\sqrt{13}]\cdot (x^{2}+27)[/tex]

[tex]y = x^{2}\cdot (x^{2}+27)-(7+\sqrt{13})\cdot [(x^{2}+27)]\cdot x+7\sqrt{13}\cdot (x^{2}+27)[/tex]

[tex]y = x^{4}+27\cdot x^{2}-(7+\sqrt{13})\cdot x^{3}-(7+\sqrt{13})\cdot 27\cdot x +7\sqrt{13}\cdot x^{2}+189\sqrt{13}[/tex]

[tex]y = x^{4}-(7+\sqrt{13})\cdot x^{3}+(27+7\sqrt{13})\cdot x^{2}-(189+27\sqrt{13})\cdot x + 189\sqrt{13}[/tex]

The simplest polynomial function is [tex]y = x^{4}-(7+\sqrt{13})\cdot x^{3}+(27+7\sqrt{13})\cdot x^{2}-(189+27\sqrt{13})\cdot x + 189\sqrt{13}[/tex].

Subtract - 2x – 10 from 10x2 + 3.

Answers

Answer:

Step-by-step explanation:

2x—33

Find the domain and range of the relation.
{(-2, 3) (1, 2) (0, -1) (3, 1)}

Answers

domain: -2, 1, 0, 3,
range: 3, 2, -1, 1

can you guys help me?

Answers

Pretty sure you have to use the Pythagorean Theorem.
a^2+b^2=c^2

So you would plug in your numbers that you already have (6 and 10) But notice that 10 is the hypotenuse (longest side) so
6^2+x=10^2

Then you would solve it and you should end up with 11.6619

2x-10>-14
Pls help ASAP pls

Answers

Answer:

the answer should be x>-2

Answer:

download photo math

Step-by-step explanation:

+!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

please help

thank u!

Answers

B haha. Hope this works out for ya.

A circle is the set of all points in a plane at a certain distance, its radius, from a certain point, its center.
Which of the following words in the definition is an undefined term used in geometry?
O point
radius
center
o distance

Answers

Answer: distance

Step-by-step explanation:

The rest of the words have actual accompanying definitions in geometry.

An undefined term used in geometry is the point.

An undefined term used in geometry?Three undefined concepts, or terms that don't need to be specified separately even though they are utilized to construct more intricate parts, are present in this case of Euclidean geometry.The three terms in geometry that aren't specified are:1. Point2.Line\s3. PlaneIn cartesian space, for example, a point cannot be defined specifically but can be utilized to define any triangle, line segment, or cube among other 2D or 3D objects. Similar to this, a line is nothing more than another arrangement of points that is used to define more intricate objects like a wire. While a plane is simply a group of lines arranged in a specific location and orientation, similar to a piece of land.

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21286272

A man is 32 years older than his daughter and the product of their ages is 320..
(a) Find the ages of the man and the daughter.
(b) In how many years' time will the daughter's age be one- third of her father's age?





Pls help me

Answers

a) the man is 40 and the daughter is 8
b)in 8 years when the man is 48 and the daughter is 16

The age of the man is 40 years and that of his daughter is 8 years respectively.

How to solve a linear equation?

A linear equation can be solved by equating the LHS and RHS of the equation following some basic rules such as by adding or subtracting the same numbers on both sides and similarly, doing division and multiplication with the same numbers.

Suppose the age of man be x.

Then, age of his daughter is x - 32.

As per the question the following equation can be formed for the product of ages as ,

x(x - 32) = 320

⇒ x² - 32x - 320 = 0

⇒ x = 40, -8

Since, age of a person cannot be a negative value, it is taken as positive.

Thus, the age of daughter is 40 - 32 = 8

Hence, the age of the man and his daughter is obtained as 40 and 8 years respectively.

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3 glasses and 3 mugs costs £18.
6 glasses and 4 mugs costs £32.
Find the cost of a glass.
Find the cost of a mug.
Glass: £
Mug: £​

Answers

Step-by-step explanation:

Suppose the cost of one glass is x

The cost of one mug is y

according to question

[tex]\Rightarrow 3x+3y=18\quad \ldots(i)\\\\\Rightarrow 6x+4y=32\quad \ldots(ii)[/tex]

Solving [tex](i)\ \&\ (ii)[/tex] we get

[tex]\Rightarrow x=4\ \text{and}\ y=2[/tex]

So, the cost of each glass is £4

and cost of each mug is £2

What is theoretical probability of pulling a green marble out of the bag?

Answers

I believe the theoretical probability is 5/20. Or 25%.

Liz and Rick are squeezing lemons for a lemonade stand. Liz squeezed 18 lemons in 6 minutes. Rick squeezed 24 lemons in 12 minutes. Who squeezed lemons at a faster pace?

A)liz
B)Rick

this is Compare rates: word problems please show and explain the work show WORK

Answers

Liz squeezed lemons faster. Liz squeezed 18 lemons in 6 minutes. To find out how many she squeezed in a minute, you would do 18 / 6, which gives you three. Rick squeezed 24 lemons in 12 minutes. To find out how many lemons he squeezed in a minute, you would do 24/12, which gives you 2. So, Liz squeezed 3 lemons per minute while Rick squeezed 2 lemons per minute.

PROBABILTIES 20 POINTS!!!!

Answers

Answer:

WHat do you want me to slove?

Step-by-step explanation:

Answer:

u only gave 10

Step-by-step explanation:

Someone plz help me I will give brainliest

Answers

It is D because whenever you take away the zero the amount of both numbers would be the same and adding it to the second one would keep it the same. This is a known fact for all decimals the end in zero you can add as many and take away is money but it really only matters as to what the real numbers are they don’t include zero!

Answer:

I think it is D

Step-by-step explanation:

A party rental company has chairs and tables for rent. The total cost to rent 6 chairs and 2 tables is 26$. The total cost to rent 3 chairs and 5 tables is 38$. What is the cost to rent each chair and each table?

Answers

Answer:

Chairs: 1.75   Tables: 8.50

Step-by-step explanation:

verify that 1,-1,-3 are the zeroes of the cubic polynomial x3+3x2-x-3 and check the relationship between zeroes and the coefficient​

Answers

Answer: yea its 123445

Step-by-step explanation:

1,-1,-3 are the zeroes and the relationship between zeroes and the coefficient​ is verified.

What is a Polynomial?

Polynomial, a mathematical expression made comprised of numbers and variables arranged in specific patterns.

As per the given data:

We are given the equation of a cubic polynomial x³ + 3x² - x - 3.

The zeroes of the given cubic polynomial are also given.

We have to verify that the zeroes of the cubic polynomial are correct, and they satisfy the relationship between zeroes and the coefficient​.

For a polynomial p(x) is p(a) = 0 then a is a zero of p(x).

Checking the given zeroes similarly:

For 1:

1³ + 3(1)² - 1 - 3 = 0

1 + 3 - 1 - 3 = 0

0 = 0

1 is a zero

For -1:

(-1)³ + 3(-1)² - (-1) - 3 = 0

-1 + 3 + 1 - 3 = 0

0 = 0

-1 is a zero

For -3:

(-3)³ + 3(-3)² - (-3) - 3 = 0

-27 + 27 + 3 - 3 = 0

0 = 0

-3 is a zero

For ax³ + bx² + cx + d = 0, the sum of all the roots should be equal to

= (-b)/a

Similarly, for x³ + 3x² - x - 3:

1 + (-1) + (-3) = (-3)/1

1 - 1 - 3 = -3

-3 = -3

1,-1,-3 are the zeroes and the relationship between zeroes and the coefficient​ is verified.

Hence, 1,-1,-3 are the zeroes and the relationship between zeroes and the coefficient​ is verified.

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PlZ HELP WILL GIVE BRAINLIEST .....THANKYOU

Answers

Answer: 3/4

Step-by-step explanation:

Slope formula is y2-y1 / x2-x1 or in this case 7-4 / 1--3 which equals = 3/4

Answer:

m=3/4

Step-by-step explanation:

y +3 = x
3x + 4y = 16

Answers

Step-by-step explanation:

y+3=x

or 0=x-y-3... ans

3x+4y=16

or, 3x+4y-16=0 answer.......

Describe what is being done in each step while solving the equation. Match each step with the correct description. HINT: Start with “Original Equation” as the first step.

Answers

1. Original equation
2.Distributive property
3. Add 6x to each side
4. Subtract 2 from each side
5. Divide each side by 11

Write an equation in slope intercept form for the line that goes through points (1.4,0) and (1,-2)

Answers

The equation of a line generally is written in the form y = mx + c where m is the slope and c is the y-intercept.

Equation for slope = (y2-y1)/(x2-x1)
= (-2-0)/(1-1.4) = -2/-0.4 = 5

So we get y = 5x + c

Substitute the coordinate (1,-2) in the equation to find c:

-2 = 5(1) + c
c = -2-5 = -7

Equation of line is y = 5x - 7

5) At one store, a 2-liter bottle of soda costs $2.12. At another store, a 3-liter bottle
costs $3.15. Which bottle is a better deal?

Answers

Answer:

3 liter

Step-by-step explanation:

you will save $0.01

2.12/2 = 1.06

3.15/3= 1.05

Answer:

The 3-liter bottle is a better deal.

Step-by-step explanation:

The price of each liter for the 2 liter bottle is $1.06, while the price per liter for the 3-liter bottle is $1.05

PLEASE HELP THIS IS ONE OF MY OVERDUE ASSIGNMENTS AND I NEED HELP!!!

Answers

The scale factor is 2/1 = 2

So it’s 2

A T-Shirt cannon can launch 5 shirts in 20 minutes, how many can it launch in 60 minutes?

Answers

Answer:

15

Step-by-step explanation:

5 - 20

10 - 40

15 - 60

Answer:

15

Step-by-step explanation:

because if you double 20 two more times you get 60 so then had 5 three times you get 15

This is from pre calc

Answers

Answer:

The dimensions are 106, 47,116

Step-by-step explanation:

[tex]when \: {(x + 10)}^{2} = {y }^{2} + {x}^{2} \\ then \: {y}^{2} = {(x + 10)}^{2} - {x}^{2} \\ {y}^{2} = {x}^{2} + 20x + 100 - {x}^{2} \\ {y}^{2} = 20x + 100 \\ then \: y = \sqrt{20x + 100} \\ when \\ area \: of \:rectangular \: = x \times y \\ then \\ x \times \sqrt{20x + 100} = 5000 \\ Square \: both \: sides \\ {x}^{2} (20x + 100) = 25000000 \\ 20 {x}^{3} + 100 {x}^{2} - 25000000 = 0 \\ Using \: the \: analysis \\ x = 106 \: \: \: or \: x = - 55.5 \\ \: We \: reject \: the \: negative \: solution \: because \: there \: is \: no \: length \: in \: the \: negative \\ then \: the \: dimensions \: are \: \\ 106 \\ 47 \\ 116[/tex]

Help please! I really need it! please dont guess if you dont know, dont answer.....( this is basic geometry im just dum'b) part 4

Answers

Answer:

m<2 = 120

Step-by-step explanation:

When two lines are parallel and are intersected by a transversal, same side exterior angles are supplementary, meaning that their angle measures add up to 180 degrees.

Using this, one can form the equation;

m<8 + m<2 = 180

Substitute,

60 + m<2 = 180

Inverse operations,

60 + m<2 = 180

-60              -60

m<2 = 120

Answer:

Step-by-step explanation:

Solution

<8 = 60 degrees.

<6 is <8s supplement

<6 + <6 = 180

60 + <6 = 180

<6 = 180 - 60

<6 = 120

<2 and <6 are corresponding angles and are therefore equal.

<2 = 120

When 3a + 7b > 2a - 8b is solved for a, the result is (A) a > -b (B) a -15b

Answers

Answer: 4

Step-by-step explanation:

Inequalities help us to compare two unequal expressions. When 3a + 7b > 2a - 8b is solved for a, the result is a>-15b.

What are inequalities?

Inequalities help us to compare two unequal expressions. Also, it helps us to compare the non-equal expressions so that an equation can be formed.

It is mostly denoted by the symbol <, >, ≤, and ≥.

When the inequality 3a + 7b > 2a - 8b is solved, the solution will be,

3a + 7b > 2a - 8b

3a - 2a > -7b - 8b

a> -15b

Hence, When 3a + 7b > 2a - 8b is solved for a, the result is a>-15b.

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Angles A and Care supplementary. Find the measure of angle C.
There is a picture

Answers

Answer:

106 degrees

Step-by-step explanation:

180 -74 = 106

The second option is correct i.e. [tex]m[/tex]∠C = 106 degrees.

What are supplementary angles?

Two angles are said to be supplementary angles when they add up to 180 degrees.

Two angles are supplementary, if

a). one of its angle is an acute angle and another angle is an obtuse angle.

b). both of the angles are right angles.

This means that if A and B are the two angles then

[tex]m[/tex]∠A+[tex]m[/tex]∠B = 180 degrees

According to the given question we have

angles A and C are supplementary

and, [tex]m[/tex]∠A = 74 degrees

therefore,

the measure of angle C is calculated as

[tex]m[/tex]∠A + [tex]m[/tex]∠C = 180 degrees        (sum of the supplementary angles)

74 + [tex]m[/tex]∠C = 180 degrees            ( [tex]m[/tex]∠A = 74 )

[tex]m[/tex]∠C = (180 - 74)degrees            ( subtracting 74 degrees both the sides)

[tex]m[/tex]∠C = 106 degrees

Hence,  second option is correct i.e. [tex]m[/tex]∠C = 106 degrees.

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Write a mathematical expression for the word expression. Seven times a number plus one

Answers

Answer:

7x +1

Step-by-step explanation:

7x+1 (x is the variable representing the number)
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Effie's father was a doctor, so of course he knew how to take things out of eyes.When he had gotten the thing out, he said: "This is very curious." Effie had often got things in her eye before, and her father had always seemed to think it was natural-rather tiresome and naughty perhaps, but still natural. He had never before thought it curious.Effie stood holding her handkerchief to her eye, and said: "I don't believe it's out." People always say this when they have had something in their eyes."Oh, yes-it's out," said the doctor. "Here it is, on the brush. This is very interesting."Effie had never heard her father say that about anything that she had any share in. She said: "What?"The doctor carried the brush very carefully across the room, and held the point of it under his microscope-then he twisted the brass screws of the microscope, and looked through the top with one eye."Dear me," he said. "Dear, dear me! Four well-developed limbs; a long caudal appendage; five toes, unequal in lengths, almost like one of the Lacertidae, yet there are traces of wings." The creature under his eye wriggled a little in the castor oil, and he went on: "Yes; a bat-like wing. A new specimen, undoubtedly. Effie, run round to the professor and ask him to be kind enough to step in for a few minutes.""You might give me sixpence, Daddy," said Effie, "because I did bring you the new specimen. I took great care of it inside my eye, and my eye does hurt."The doctor was so pleased with the new specimen that he gave Effie a shilling, and presently the professor stepped round. He stayed to lunch, and he and the doctor quarreled very happily all the afternoon about the name and the family of the thing that had come out of Effie's eye.But at teatime another thing happened. Effie's brother Harry fished something out of his tea, which he thought at first was an earwig. He was just getting ready to drop it on the floor, and end its life in the usual way, when it shook itself in the spoon-spread two wet wings, and flopped onto the tablecloth. There it sat, stroking itself with its feet and stretching its wings, and Harry said: "Why, it's a tiny newt!"The professor leaned forward before the doctor could say a word. "I'll give you half a crown for it, Harry, my lad," he said, speaking very fast; and then he picked it up carefully on his handkerchief."It is a new specimen," he said, "and finer than yours, Doctor."It was a tiny lizard, about half an inch long-with scales and wings.So now the doctor and the professor each had a specimen, and they were both very pleased. But before long these specimens began to seem less valuable. For the next morning, when the knife-boy was cleaning the doctor's boots, he suddenly dropped the brushes and the boot and the blacking, and screamed out that he was burnt.And from inside the boot came crawling a lizard as big as a kitten, with large, shiny wings."Why," said Effie, "I know what it is. It is a dragon like the one St. George killed."And Effie was right. That afternoon Towser was bitten in the garden by a dragon about the size of a rabbit, which he had tried to chase, and the next morning all the papers were full of the wonderful "winged lizards" that were appearing all over the country. The papers would not call them dragons, because, of course, no one believes in dragons nowadays-and at any rate the papers were not going to be so silly as to believe in fairy stories. At first there were only a few, but in a week or two the country was simply running alive with dragons of all sizes, and in the air you could sometimes see them as thick as a swarm of bees. They all looked alike except as to size. They were green with scales, and they had four legs and a long tail and great wings like bats' wings, only the wings were a pale, half-transparent yellow, like the gear-boxes on bicycles.Which describes the effect of having multiple incidents with the "specimens" in this section of the story? (5 points)Select one:a. It suggests a childlike awe.b. It suggests a growing creature.c. It suggests a lack of concern.d. It suggests a sense of chaos. Which sentence uses thesemicolon correctly?A. I want to name my puppy Wolf; because Ithink he looks like a wolf.B. I want to name my puppy; Wolf I think helooks like a wolf.C. I want to name my puppy Wolf; I think helooks like a wolf. Immediate help ASAP whats the value of f(8) Who is one person/explorer who helped make travel to the West easier. Explain what they did. The members of the phylum Porifera are commonly called? 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