what is the sum of the exterior angles of 28-gon

Answers

Answer 1

Answer:

360 degrees

..............


Related Questions

alen is buying a new car. He has the options below.

Model: compact, luxury, sport
Transmission: automatic, manual
Color: red, blue, black, yellow

Jalen decides that he wants a yellow car. What is the total number of choices he has?
5
6
12
24

Answers

Answer:

Step-by-step explanation:

To calculate combinations, we will use the formula nCr = n! / r! * (n - r)!, where n represents the total number of items, and r represents the number of items being chosen at a time. To calculate a combination, you will need to calculate a factorial.

Saul correctly solved a math problem by first dividing 18 by 6, then adding 5 to the result.

Which equation could be solved to get the same answer?

6x−5= 18

6(x−5)=18

6x+5=18

6(x+5)=18

Answers

Answers.

[tex] \frac{23}{6} [/tex]x=8[tex] \frac{13}{6} [/tex]x=-2

Use SOHCAHTOA to find the side measure. Show work. Round to one decimal place.

Answers

The value of the n is 64.04 after applying the tan ratio which is opposite to adjacent (TOA)

What is trigonometry?

Trigonometry is a branch of mathematics that deals with the relationship between sides and angles of a right-angle triangle.

We have a right angle triangle shown in the picture.

We can use SOHCAHTOA to find the unknown length.

Using the ratio of tan which is opposite to adjacent (TOA)

tan8 = 9/n

n = 64.038 ≈ 64.04

Thus, the value of the n is 64.04 after applying the tan ratio which is opposite to adjacent (TOA)

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write an even number between 7 and 16 draw a picture and then write a sentence to explain why it is an odd number

Answers

Answer: An even number between 7 and 16 would be 10.

Step-by-step explanation: I am not sure how I am supposed to draw a picture of the number other than drawing the number itself. However, 10 is an even number because it is a composite number and is divisible by 2. 10 is an even number, not an odd number. Hope this helps!

Please help , I litteraly have a F in Math

Answers

Answer:

A=3

B=31

Step-by-step explanation:

A)5-2=3

b)

17-10=7

10-5=5

7-5=2

2×7=14

14+17=31

answer quickly pls pls pls

Answers

Third option
divide the exponent by 2
(C)

Translate this phrase into an algebraic expression.
8 more than twice Jenny's age
Use the variable j to represent Jenny's age. Please help.. :(

Answers

Answer:

2j + 8

Step-by-step explanation:

Given:  8 more than twice Jenny's age

Let j = Jenny's age

"twice Jenny's age" means double (multiply by 2) Jenny's age  = 2j

"more than" means to add, so "8 more than" = + 8

Therefore:

"8 more than twice Jenny's age" = 2j + 8

Leah just moved and she's looking for a new dance studio. She gets to list the price from tip top toes charges $300 for 12 classes and groovin amd movin charges $264 11 classes which studio offers the better deal?

Answers

If it’s by week then groovin and movin,but if it’s months tip toes

what's a quarter of 46.5

Answers

Answer:

11.625 or mixed number form 11 [tex]\frac{5}{8}[/tex]

Step-by-step explanation:

divide 46.5 by 4

What is the probability of picking a blue marble and flipping heads?

Answers

Answer:

7/11

Step-by-step explanation:

blue = 1 + 1 + 1 + 1 + 1 + 1 + 1 = 7 that will be blue.

green = 1 + 1 + 1 + 1 = 4 that will be green.

So it’s going to be 7 + 4 = 11 in total then do

7/11

Is it 7/22

Solve the exponential equation: 7^3 – 2x = 7–x Question 13 options: A) 3 B) 2 C) 7 D) –2

Answers

The solution to the exponential equation 7^(3 – 2x) = 7^(-x) is 3

How to solve exponential equation?

7^(3 – 2x) = 7^(-x)

Both equation has the same base

Eliminate the base to remain the powers

3 - 2x = - x

collect like terms

3 = - x + 2x

3 = x

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The length of ribbon A is 56 feet and the length of ribbon B is 59 feet.



The exact length of ribbon C is 34 feet longer than the estimated difference in lengths of ribbon A and B.

What is the length of ribbon C?

Note - Use 0,12 or 1 as benchmarks.

Answers

The length of ribbon C is  37 feet.

What is the length of ribbon C?

The equation that can be used to determine the length of ribbon C is:

C = 34 + ( length of ribbon B - length of ribbon A)

C = 34 + (59 - 56)

C = 34 + 3

c = 37 feet

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The table below shows how the age of a certain tree is related to the diameter
(width) of its trunk. How old (in years) is a tree whose trunk is 11 inches in
diameter?
Trunk diameter
(inches)
Age
(years)
4
10
5
20
6
30
7
40
8
50
9
60

Answers

The age of a tree when the diameter is 11 inches is 80.

What is the age of the tree?

The age of the tree increases by 10 with a 1 inch increase in the diameter of the trunk. This represents a linear increase.

The equation that can be used to represent the age of a tree given its diameter is :

age of the tree when the diameter is 4 inches + [(difference between 11 inches and 4 inches) x rate of change in age)

10 + (10 x 7)  = 80

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Y=-2x²-4 solve for y when x=3

Answers

Y = 2(9) -4
Y= 18-4
Y= 14

Answer:

Y=-58

Step-by-step explanation:

Y=-2(3)^(2)-4

Y=-2(3*3*3)-4

Y=-2(27)-4

Y=-54-4

Y=-58

One of the legs of a right triangle is twice as long as the other, and the perimeter of the triangle is 28. Find the length of the hypotenuse.

In a right triangle, the 58-cm hypotenuse makes a 51-degree angle with one of the legs. To the nearesttenth of a cm, how long is that leg?

Evaluate: sin (Arccos(5/13))

Evaluate: tan(Arctan(π/6))

Answers

1) If we let the lengths of the legs be x and 2x, then by the Pythagorean theorem,

[tex]x+2x+\sqrt{x^{2}+(2x)^{2}}=28\\3x+x\sqrt{5}=28\\x(3+\sqrt{5})=28\\x=\frac{28}{3+\sqrt{5}} \cdot \frac{3-\sqrt{5}}{3-\sqrt{5}}=21-7\sqrt{5}[/tex]

This means that the length of the hypotenuse is:

[tex]\sqrt{5}(21-7\sqrt{5})=\boxed{21\sqrt{5}-35}[/tex]

2) (Diagram attached) We know that

[tex]\cos 51^{\circ}=\frac{x}{58}\\x=58 \cos 51^{\circ} \approx \boxed{36.5}[/tex]  (in cm)

3) From the Pythagorean identity,

[tex]\sin^{2}\left (\arccos \frac{5}{13} \right)+\cos^{2} \left (\arccos \frac{5}{13} \right)=1\\\left(\frac{5}{13} \right)^{2}+\sin^{2} \left (\arccos \frac{5}{13} \right)=1\\\frac{25}{169}+\sin^{2} \left (\arccos \frac{5}{13} \right)=1\\\sin^{2} \left (\arccos \frac{5}{13} \right)=\frac{144}{169}\\\sin \left (\arccos \frac{5}{13} \right)=\boxed{\frac{12}{13}}[/tex]

4) [tex]\frac{\pi}{6}[/tex]

If a dress costs $27.00 when it’s on sale for 10% off, what is its original cost?

Answers


27/.9
27/90*100=30

$30

Write an equation that represents a relationship between the independent and dependent quantities from the table. Identify the relationship as additive or multiplicative and explain your reasoning.

x y
-4 8
2 -4
6 -12
9 -18

Answers

the answer would be multiplicative by -2 because every x value can be multiplied by -2 to get the y value

if a quarter kilogram costs rs 60 then how much will cost for 150 grams

Answers

Answer:

R s. 36

Step-by-step explanation:

1kg ⇒ 1000g

So, a quarter kilogram means,

[tex]\frac{1}{4}[/tex] × 1kg = 1000g ×  [tex]\frac{1}{4}[/tex]

[tex]\frac{1}{4}[/tex] × 1kg = 250g

According to the question,

250g = R s. 60

So, now they're asking for the price of 150g.

Let that price be x.

250g ⇒ R s. 60

150g  ⇒ x

Use cross multiplication to find the value of x.

250x = 60 × 150

250x = 9000

Divide both sides by 250.

x = R s. 36

Previously, an organization reported that teenagers spent 4.5 hours per week, on average, on the phone. The organization thinks that, currently, the mean is higher. Fifteen randomly chosen teenagers were asked how many hours per week they spend on the phone. The sample mean was 4.75 hours with a sample standard deviation of 2.0. Conduct a hypothesis test.

Answers

The standard normal distribution is a special type of normal distribution where the mean is 0, and the standard deviation is 1. The hypothesis can not be concluded.

What is Standard normal distribution?

The standard normal distribution is a special type of normal distribution where the mean is 0, and the standard deviation is 1.

For the given problems, the Hypothesis mean is 4.5. The sample mean was 4.75 hours with a normal standard deviation of 2.0.

Now, calculating the z-score,

[tex]z = \dfrac{\bar x - \mu_o}{\dfrac{\sigma}{\sqrt n}}\\\\\\z = \dfrac{4.75-4.5}{\dfrac{2}{\sqrt{15}}}\\\\\\z = 0.48[/tex]

Now, as per the standard normal table, the p-value is 0.6844. Since the p-value is greater than the significance level, the hypothesis can not be concluded.

Hence, The hypothesis can not be concluded.

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what is the vertex of y= -x^2+10x

Answers

[tex]y = -x^2+10x\implies y = -x^2+10x+0 \\\\[-0.35em] ~\dotfill\\\\ \textit{vertex of a vertical parabola, using coefficients} \\\\ y=\stackrel{\stackrel{a}{\downarrow }}{-1}x^2\stackrel{\stackrel{b}{\downarrow }}{+10}x\stackrel{\stackrel{c}{\downarrow }}{+0} \qquad \qquad \left(-\cfrac{ b}{2 a}~~~~ ,~~~~ c-\cfrac{ b^2}{4 a}\right) \\\\\\ \left(-\cfrac{ 10}{2(-1)}~~~~ ,~~~~ 0-\cfrac{ (10)^2}{4(-1)}\right)\implies \left( \cfrac{10}{2}~~,~~\cfrac{100}{4} \right)\implies (5~~,~~25)[/tex]

hey do any of yall now what 65'6 x777

Answers

Answer:

If you mean 656, then the answer is 509,712.

Edit: If you're talking about measurements, then it would be 50,893 feet and 6 inches.

How does the graph of y = a(x – h)^2 + k change if the value of h is doubled? The vertex of the graph moves to a point twice as far from the x-axis. The vertex of the graph moves to a point twice as far from the y-axis. The vertex of the graph moves to a point half as far from the x-axis. The vertex of the graph moves to a point half as far from the y-axis.

Answers

The vertex of the graph moves to a point twice as far from the y-axis.

Option B is the right answer.

What is the equation of Parabola ?

The general equation of a parabola is

y = a(x-h)² + k

or

x = a(y-k)² +h

where (h,k) denotes the vertex.

It is given in the question that the value of h is doubled for the equation given

y = a(x-h)² + k

if the value of the h is doubled, the vertex of the graph shifts and shifts on the x axis away from the y axis , therefore

the vertex of the graph moves to a point twice as far from the y-axis.

Option B is the right answer.

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Answer:

its b

Step-by-step explanation:

M
x-2
20
L
Find the value of x.


A.2
B.4
C.6
D.8

Answers

Answer:

X=4

Step-by-step explanation:

Eveything is explained in the pic. Hope that helps ;)

Lawrence needs to be at his job by 5:00 p.m.
It takes him 20 minutes to ride his bike to his job, 30 minutes to eat dinner, and 45 minutes to do his homework.
Which time does he need to start his homework?

A.
3:00 p.m.

B.
3:25 p.m.

C.
3:35 p.m.

D.
4:20 p.m.

Answers

Answer:

B. 3.25 p.m.

Step-by-step explanation:

[tex]20 + 30 + 45 = 96 \: minutes \\ 95 \: minutes \: = 60 \: minutes + 35 \: minutes \\ 95 \: minutes \: = 1 \: hour \: 35 \: minutes\\ 5.00 \: p.m. - 1 \: hour \: 35 \: minutes = 3.25 \: p.m.[/tex]


EASY POINTS Identify the type of function represented

Answers

Answer:

exponential growth

Step-by-step explanation:

f(x) = 4 * 2^x

This function is in the form

y = a * b^x  where a is the initial value and b is the growth or decay rate

This is  exponential form

if b > 1 then it is growth

0< b < 1 it is decay

b =2 so it is growth

what is the transformation

(x,y) (x+5,y -3)

(x -5, y+3)

(x+3 y-5 )

x-3,y +5

Answers

i believe it is x-3, y+5

simplify (4x^3)^2 (3x)^5

Answers

Answer:

(4x³)² (3x)⁵ = 3888x¹¹

Step-by-step explanation:

(4x³)² (3x)⁵ = 4²(x³)² (3)⁵(x)⁵

                 = 16x⁶ (243)x⁵

                 = (16 × 243) (x⁶ × x⁵)  [commutative property]

                 = (3888) (x¹¹)   [exponent property]

                 = 3888x¹¹

WHAT IS THE ANSWER OF y12+b16-8=

Answers

Answer:

[tex]y^{12} + b^{8} \\OR\\12y + 8b[/tex]

Step-by-step explanation:

If the statement is  

[tex]y^{12} + b^{16-8} \\y^{12} + b^{8} \\[/tex]this can't be more simplified

If the statement is

[tex]y{12} + b{16-8} \\y{12} + b{8} \\\\rearrange\\12y + 8b[/tex]

I need help with 7 and 4 and 9 also 10


I will give the most higher points I got

Answers

7. 9/5 = 1 4/5
*When multiplying with a whole number u can turn it into a fraction by putting a one under it
So 3/1 times 3/5 = 9/5
*just multiply straight across

4. 2/1 times 1/4 = 2/4 = THEN SIMPLIFY = 1/2

9. 3/4 times 3/1 (cups)
*multiply straight across
9/4 = 2 1/4 (cups of sugar)
So she uses less than 3 cups to make all 3 loaves

* 10. Sorry I can’t tell if it says 5/6 on both of them
If it says 5/6 on both of them then the answer is obvious and she worked more than that over the course of 2 days

* 10. It must be a 5/9 on the second one
So if so
5/6 times 2/1 (days)
10/6 then we need to multiply the 6 denominator (bottom of the fraction) with something to = 9 denominator
9 divided by 6 = 1.5
10/6 times 1.5 for both the numerator (top) and denominator (bottom)
= 15/9 (simplified 1 6/9)
This one she exercised more than 5/9

What is the quotient and remainder, written as partial fractions, of StartFraction 15 x squared + 52 x + 43 Over 3 x squared + 5 x minus 8 EndFraction?

Answers

Answer:

B

Step-by-step explanation:

On edge

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please help me.,...,. Read these lines from We Grow Accustomed to the Dark and answer the question.The Bravest -- grope a little --And sometimes hit a TreeDirectly in the Forehead --But as they learn to see --The dashes are an example of _____.A imageryB rhymesC metaphorsD devices It will be difficult to institute fiscal policy in a stabilizing manner because politicians will find A rectangular prism is 25 inches wide, 5 inches long and 6 inches high.What is the exact volume of the prism?125 solve for x. 2-[x+4(6-x)+16]-10=38-8x Which of the following would be appropriate reason(s) for scientists to reject atomic theory?evidence that John Dalton did not give credit to others who helped him develop the theoryevidence that some kinds of matter are made up of waves instead of particlesobservations that cannot be explained by the theoryobservations that are predicted by the theory lanetterisbelle6 minutes agoMathematicsCollegeUse the following information for Excercise 2-9 through Excercise 2-12 below. (Staic)Following are the transactions of a new company called Pose-for-pics.August 1 M. Harris, the owner, invested $6,500 cash and 33,500 of photography equipment in the company.August 2 The company paid 2,100 cash for an insurance policy covering the next 24 months.Aust 5 The company purchased supplies for 800 cash.August 20 The company received 3,331 cash from taking photos for customers.August 20 The company received 3,331 cash from taking photos for cusotmers.August 31 The company paid $ 675 cash for August utilities.Excercise 2-11 ( Static) Analyzing transacctions using accounting equation LO A1Analyze each transaction above by showing its effects on the accounting equation-specifically, identify the accounts and amounts ( including + or -) Use the following partial chart of accounts: Cash; Supplies; Prepaid Insurance; Equipment; M. Harris, Capital; Services Revenue; and Utilities ExpenseDate Assets = Liabilities + EquityAugust 1 = +August 1 = +August 2 = +August 2 = +August 5 = +August 5 = +August 20 = +August 31 Cash (+) increase 6,500 = + What is 10,8,12,10,14? If 5.37 grams of sucrose, c12h22o11, are dissolved in 21.2 grams of water, what will be the boiling point of the resulting solution? (kb for water = 0.512 oc/m). A bicycle company is designing women's bicycle frames The frames can accommodate any woman taller than 54.5 inches. Given that the heights of adult American women are normally distributed, with a mean of 65 inches and a standard deviation of 3.5 inches, what percentage of American women CANNOT use the bicycles designed by this company? Which word from this excerpt could be used to argue that the narrator is unreliable?"Shaking" suggests the narrator's nervousness."Struggle" suggests the narrator's weakness.O "Indefinite" suggests the narrator's lack of knowledge.O "Overpowered" suggests the narrator's lack of control.PLEASE HELP Which polynomial function could be represented by the graph below?A. [tex]f(x) = x^2 - 4x[/tex]B. [tex]f(x) = x^2 + 4x[/tex]C. [tex]f(x) = -x^2 - 4x[/tex]D. [tex]f(x) = -x^2 + 4x[/tex] What effect does the circled point have on the standard deviation of the residuals? This point will increase the value of the standard deviation of the residuals because it has a large positive residual. This point will increase the value of the standard deviation of the residuals because it has a large negative residual. This point will not affect the value of the standard deviation of the residuals because it has a large positive residual. This point will decrease the value of the standard deviation of the residuals because it has a large negative residual. How are the story events in Passage 1 mirrored in Passage 2? Both passages involve a misdeed followed by a just punishment. Both passages involve innocent characters who are in distress. Both passages involve a hero who triumphs over a villain. Both passages involve a misunderstanding that is soon corrected. Which thematic idea does the passage develop? 100 POINTS!! PLEASE HELPIn a paragraph or two , answer the following questions. What role did alliances play in World War I? How does this role compare to alliances in WorldWar 1? Three examples where is helpful to have a low reaction rate (a) If cos (34) - sin (34) = cos(A),thenA =degrees A conflict created when a person receives contradictory messages on different levels of abstraction in an important relationship, and cannot leave or comment is known as a: Find an example of an ester used as a fragrance or flavoring and give the name, condensed structural formula, and flavor of your chosen ester.