Mathematics College


1. Find the degree measure and the length of arc AB:

120°
20 in.

1. Find The Degree Measure And The Length Of Arc AB:12020 In.

Answers

Answer 1

Answer:

Degree measure of arc AB = 120°

Length of arc = 41.9 in.

Step-by-step explanation:

✔️Measure of Central angle is the same as Measure of the intercepted arc

Therefore,

Degree measure of arc AB = 120°

✔️Length of arc = [tex] \frac{\theta}{360} * 2 \pi r [/tex]

[tex] \theta = 120 [/tex]

r = 20 in.

Length of arc = [tex] \frac{120}{360} * 2 \pi * 20 [/tex]

= 41.887902

Length of arc = 41.9 in. (Nearest tenth)

Related Questions

PLZZZZ HELPPP MEE!!!!!

Answers

Answer:

-60

Explanation:

6x(2x-5) always do what's in the parentheses first

6x(-10)

= -60

Choose the statement that is always true.
A. Two rectangles are similar.
B. Two similar polygons are congruent.
C. Two congruent triangles are similar.
D. Two acute triangles are similar.

Answers

Answer:

C.

Step-by-step explanation:

This would be the most likely the answer because it is true compare to the other choses.

  ps- I am sorry if this wasn't much help.

Find the measure of the exterior angle.

Answers

Answer:

Option (C)

Step-by-step explanation:

By the property of an exterior angle,

Exterior angle of a triangle is equal to the sum of two opposite interior angles.

(15x + 34)° = 29° + (12x + 26)°

15x + 34 = 29 + 12x + 26

15x - 12x = 55 - 34

3x = 21

x = 7

Measure of exterior angle = (15x + 34)°

                                           = 15(7) + 34

                                           = 105 + 34

                                           = 139°

Option (C) is the answer.

what is 7p = -42 i need help i cant find the answer

Answers

Answer:

p=-6

Step-by-step explanation:

So we need to get p by its self so we have to to divide both sides to get the answer. 7p=-42 so p= -6 because we divided -42/7

Question 11
2 pts
If the temperature at 10:00 am is -23° F and two
hours later at 12:00 pm the temperature rose 6
degrees Fahrenheit, what is the temperature at
12:00 pm in degrees?

Answers

Answer:

17 degrees

Step-by-step explanation:

-23 + 6 = 17

ik this is alot but please help me. ​

Answers

Answer:

help u in what please ask the question so we can anwser

Gavin plans to repaint some classroom bookcases. He has 3 gallons of paint. All of
the bookcases are the same size and each requires gallon of paint. How many
bookcases will he be able to paint?
3/4

Answers

Answer:

3 bookcases

Step-by-step explanation:

For which distributions is the median the best measure of center?



Select each correct answer.


A. A bar graph with values that gradually rise up above 20 y before dropping steeply to below 2 y.

b. A bar graph with values gradually rising above 30 y then dropping down gradually to 5 y.

C. A bar graph with values that steeply rise to 16 y then gradually drop down below 2 y.

D. A bar graph with a majority of the values measured at 35 y.

Answers

Answer:

A

Step-by-step explanation:

If you were to do 20 divided by 2 you would get 10

Answer:

A

Step-by-step explanation:

I'm doing the same test and its A

K12

Plss this is timed will mark brain least if shown work!

Answers

Answer:

good

Step-by-step explanation:frog

A store sells T-shirts for $12 each and sweatshirts for $15 each. You plan to spend $120 on T-shirts and sweatshirts.
Part A: Write an equation to represent how many T-shirts, x and sweatshirts, y you can buy.



Part B: If you purchase 5 T-shirts, how many sweatshirts can you purchase?

Answers

I uploaded the answer to a file hosting. Here's link:

tinyurl.com/wpazsebu

Answer:

A.) 12x+15x=120

B.) 5 sweatshirts

Step-by-step explanation:

A.)  Let x=T-shirts

     Let y= Sweatshirts

B.)  12x+15x=120

     12(5)+15x=120

      60 +  15x=120

    -60            -60

________________

            15x=104

           ___   ____

            15        15

___________________

               x=6.93333*

*Round it down to 5

HELP ME PLEASE ❗❗❗❗
What is the value of Q3 of the data represented by the box plot?



Enter your answer in the box.

Answers

Answer:

Q3 = 30

Step-by-step explanation:

minimum value = 5

Q1 = 20  (this is the median of the lower half of data)

Median (sometimes called Q2) = 25

Q3 = 30 (this is the median of the upper half of data)

maximum value = 45

Here is a circle. Points A, B, C, and D are drawn, as
well as Segments AD and BC.
D.
What is the area of the circle, in square units?

Answers

Area of a circle = pi *r^2
A=pi*4^2
A=50.24 square units

Hope it helps

I’ll give points + brainalist for correct answer

Answers

Answer:

557.8m²

Step-by-step explanation:

2 opposite semicircle are same

diameter = 9m

radius = 4.5m --- (diameter = 1/2radius)

area of semicircle = 1/2 × π × radius²

= 1/2 × 3.14 × 4.5×4.5

= 31.79m²

2 semicircles area = 31.79 × 2

= 63.8m²

______________________________

______________________________

other 2 opposite semicircle are same

diameter = 20m

radius = 10m --- (diameter = 1/2radius)

area of semicircle = 1/2 × π × radius²

= 1/2 × 3.14 × 10×10

= 157m²

2 semicircles area = 157 × 2

= 314m²

______________________________

______________________________

length = 20m ----- ( given )

breadth = 9m ----- ( given )

area = length × breadth

= 20 × 9

= 180m²

______________________________

______________________________

AREA of whole figure = 63.8 + 314 + 180

= 557.8m²

The diagram shows a regular hexagon and a parallelogram.
х
(112°
Work out the size of the angle marked x.
You must show all your working.
7
a
Total marks: 4​

Answers

Answer:

52°

Step-by-step explanation:

180-112=68

120-68=52

The size of the angle marked x is 52°.

Given that a hexagon and parallelogram share the same one vertex and the angle of the parallelogram is 112°

To determine the size of the angle marked x by  utilizing the properties of a regular hexagon and the given angle of 112°.

A regular hexagon has interior angles measuring 120° each. Since the hexagon is regular, all six interior angles are congruent. We can divide the hexagon into six equal triangles, each having an angle of 120°.

In parallelogram, the opposite angles are congruent  and the sum of adjacent angles is 180°.

The parallelogram adjacent to the hexagon shares the same vertex as the hexagon's interior angle.

Let the angle adjacent to 112° in parallelogram be a and a is adjacent to angle x in hexagon,

By using parallelogram property gives,

a + 112° = 180°

Subtract 112° from both the sides, gives,

a = 68°

x and a form one angle of the hexagon which is equal to 120° gives,

x + a = 120°

Substitute the value of a = 68° in the above equation

x+ 68° = 120°

Subtract 68° from both the sides, gives,

x = 52°

Hence, the size of the angle marked x is 52°.

Learn more about angles and polygons, click here:

https://brainly.com/question/27331337

#SPJ2.

Identify as indicating a linear function or quadratic function. f (x) = ax^2 + bx +c
​

Answers

I’m 99% sure It is a quadratic function

If f(x) = 2(3)^x and g (x) = 25 and h(x) = f(x) + g (x) what's is the equation for h(x)

Answers

Answer:

h(x) = 2(3)^x + 25

Step-by-step explanation:

WILL MARK BRAINLIEST!! Just help me out with number 2 please. :)

Here is an inequality: -2x > 10.
1. List some values for x that would make this inequality true.
Answer: Any negative number above -5, like -6, -7, etc.

2. How are the solutions to the inequality -2x ≥ 10 different from the solutions to
-2x > 10? Explain your reasoning.

Answers

9514 1404 393

Answer:

  -5 is included in the solution set of the first, but not the second

Step-by-step explanation:

The solution to -2 ≥ 10 is x ≤ -5. The solution to -2x > 10 is x < -5. The difference is that x = -5 is included in the solution set of the first inequality, but is not included in the solution set of the second inequality.

When plotted on a number line, the former inequality has a solid dot at -5, indicating that point is included. The latter inequality has an open dot (circle) at -5, indicating that point is not included. (Both plots are shaded to the left of the dot.)

what is (x+2)^4 using binomial theorem and pascal’s triangle?

Answers

Answer:

x 4 +8x 3 + 24 x 2 + 32 x + 16

Step-by-step explanation:

If 3 inches of rain fell in 5 hours, how much rain fell each hour? *

Answers

Answer:

Step-by-step explanation:

you can divide 5 divided by 3 and your answer will be 0.6

Find the value of each variable?

Answers

Answer:

x = 78 and y= 65 is the right ans

In a class of 27 students, 1/3 are boys, how many are girls?

Answers

18 I believe because 27/1/3 is 9 27-9=18

Answer:

Am sure 18 cause 1/3=9then2/3will be 18

Solve for h. What is h?
Problem 20h=2

Answers

Answer:

h=1/10

Step-by-step explanation:

h(x) = -3x + 1 g(x) = 4x + 3 Find h(g(x))

Answers

Answer:

-12x -8

Step-by-step explanation:

Substitute g(x) into h(x) so h(4x + 3) = -3(4x +3) + 1 = -12x - 9 + 1 = -12x -8

can someone please help me find the area of a regular pentagon of radius 4m? thank you :(

Answers

Answer:38.07

Step-by-step explanation:

If you don't have the apothem value, you will need more information to find the area accurately. The radius alone does not provide enough information to find the area of the regular pentagon.

To find the area of a regular pentagon with a given radius, we need to know the apothem (the distance from the center of the pentagon to the midpoint of one of its sides) in addition to the radius. However, you mentioned only the radius, and it is not sufficient to directly find the area.

If you have the apothem value, you can use the following formula to calculate the area of a regular pentagon:

Area = (5/4) * apothem * side length

To know more about area:

https://brainly.com/question/28995006

#SPJ2

The inequality x < 15 can be used to represent how tall a tree is, where x is it’s height in feet. Which of these statements best describes how tall the tree is

Answers

Answer:

The tree is less than 15 feet

Step-by-step explanation:

Given

[tex]x < 15[/tex]

Required

Interpret

The above inequality implies that the value of x is less than 15.

Since x represents the height of the tree in feet.

We can say that:

The tree is less than 15 feet

In ΔLMN, the measure of ∠N=90°, the measure of ∠L=74°, and NL = 60 feet. Find the length of MN to the nearest tenth of a foot.

Answers

Answer:

Step-by-step explanation:

Answer:

209.2

Step-by-step explanation:

expression that is equivalent to 7 3/4 + 3 5/6 - 1 3/4 that uses addition instead of subtraction.

Answers

Answer:

7 3/4 + 1 3/4 - 3 5/6 = 4 + 3/4 + 3/4 + 1/6

Step-by-step explanation:

we do not want the minus sign.

7 3/4 + 1 3/4 - 3 5/6 = 7 3/4 + 1 3/4 - 3  -   5/6

7 3/4 + 1 3/4 - 3 5/6 =  7+  3/4 + 1 +  3/4 - 3  -  5/6

7 3/4 + 1 3/4 - 3 5/6 = 7 + 1 - 3 + 3/4 + 3/4 - 5/6

7 3/4 + 1 3/4 - 3 5/6 = 5 + 3/4 + 3/4 - 5/6

7 3/4 + 1 3/4 - 3 5/6 = 4 + 3/4 + 3/4 + 1 - 5/6

7 3/4 + 1 3/4 - 3 5/6 = 4 + 3/4 + 3/4 + 1/6

Solve the system.
-2x + y + 3 = 0
3x + 4y = -1

Answers

Answer:

x = 1, y = -1

Step-by-step explanation:

Factor the polynomial completely.

4x3 – 12x2 + 7x – 21
4x2(x – 3) + 7(x – 3)
Which is the completely factored polynomial?

4x2(x + 4)
3x2(x – 3)
(4x2 – 7)(x + 3)
(4x2 + 7)(x – 3)

Answers

Answer:

2x(2x2 -6x) + (7x - 21)

Step-by-step explanation:

4x3 - 12x2 + 7x -21

What is the inverse function of y=5x + 1

Answers

Answer:

5x - 1

Step-by-step explanation:

i don't know hw to explain it but that's the answer

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