A regular hexagon is inscribed in a circle of radius 1 inch. what is the area of the shaded region?

Answers

Answer 1

Answer:

176.1

units

2

Explanation:

A

shaded

=

A

circle

A

hexagon

A

circle

=

π

r

2

=

π

18

2

=

324

π

We can split up the hexagon into 6 regular triangles.

A

hexagon

=

6

A

triangle

=

6

1

2

b

h

Since the triangles are regular, the base is equal to the radius,

18

. We can represent the height by taking one of the triangles and drawing a line down the middle. The newly formed triangle is a

30

°

60

°

90° right triangle.


Related Questions

a computer and printer a totoal cost $1132 the cost of the computer is three times the cost of the ptinter

Answers

Use a system of equations

C+P=1132
3P=C

Substitute C in first equation as
3P+P=1132
Simplify
4P=1132
Solve
P=1132/4
P=283

NOW SOLVE FOR C SUBSTITUTING P VALUE IN FIRST EQUATION

C+283=1132
C=1132-283
C=849


Printer = 283$
Computer = 849$

Xsquared-7x-34=10
Factorise and solve

Answers

[tex] {x}^{2} - 7x - 34 = 10 \\ = > {x }^{2} - 7x - 34 - 10 = 0 \\ = > {x}^{2} - 7x - 44 = 0 \\ = > {x}^{2} - 11x + 4x - 44 = 0 \\ = > x(x - 11) + 4(x - 11) = 0 \\ = > (x + 4)(x - 11) = 0 \\ = > x = - 4 \: \: and \: \: 11[/tex]

Answer:

x = -4 and 11

Hope you could understand.

If you have any query, feel free to ask.

Step-by-step explanation:

x² - 7x - 34 = 10

x² - 7x - 44 = 0

factorization by completing the square.

we know that (x + c)² = x² + 2cx + c²

so, what do we have ?

x² done

2cx = -7x

2c = -7

c = -7/2 done

but that means we should have (-7/2)² = 49/4 at the end. and we have -44 instead.

-44 = -176/4 (-44×4/4)

the difference between 49/4 and -176/4 is -225/4.

so, the equation with the completed square is transformed

(x - 7/2)² - 225/4 = 0

or

(x - 7/2)² = 225/4

and now we can solve based on this by creating the square root.

x - 7/2 = 15/2 or -15/2

x1 = 15/2 + 7/2 = 22/2 = 11

x2 = -15/2 + 7/2 = -8/2 = -4

Shannon made a sketch of a ramp that she wants to build. She wants to figure out the angle of elevation formed by angle x.

Answers

The value of x from the diagram is 29 degrees.

SOH CAH TOA identity

From the given figure, we have the following parameters:

Opposite = 12Hypotenuse = 25

According to the theorem:

Sin x = opposite/hypotenuse

Sin x = 12/25

Sin x = 0.48

x = arcsin(0.48)

x = 28.685

x = 29 degrees

Hence the value of x from the diagram is 29 degrees.

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!! HELP PLEASE!!
6. Solve the triangle below.

Part I: Use the law of cosines to find the measure of angle B. (2 points)​

Answers

Answer:

64.86°

Step-by-step explanation:

Use the law of cosines:

cos ∠B = (a² + c² - b²) / (2ac)cos ∠B = (16² + 22² - 21²) / (2*16*22)cos ∠B = 0.4247m∠B = arccos 0.4247m∠B = 64.86° (rounded to the nearest hundredths)

Here

a=22b=21c=16

Apply law of cosines

[tex]\ \ \sf\longmapsto cosB=\dfrac{a^2+b^2+c^2}{2ac}[/tex]

[tex]\ \ \sf\longmapsto cosB=\dfrac{22^2+21^2+16^2}{2(22)(16)}[/tex]

[tex]\ \ \sf\longmapsto cosB=\dfrac{484+441+256}{704}[/tex]

[tex]\ \ \sf\longmapsto cosB=\dfrac{1181}{704}[/tex]

[tex]\ \ \sf\longmapsto cosB=0.42[/tex]

[tex]\ \ \sf\longmapsto B=cos^{-1}(0.42)[/tex]

[tex]\ \ \sf\longmapsto B=64.8°[/tex]

Factories 5x+10
Somebody please help

Answers

Answer:

5(x+2)

Step-by-step explanation:

to factor it we need to find a common term(5) and then we take it out(divide) resulting in the answer abover

One thousand students took a test resulting in a normal distribution of the scores with a mean of 80 and a standard deviation of 5. How many students scored between 70 and 90

Answers

63 I believe is the answer

The 20 squares of the grid. 11 squares are shaded what percentage is shaded?

Answers

Answer:

65%

Step-by-step explanation:

if there are 20 squares assume that 20 is equivalent to a 100% as a whole and only 11 squares are shaded therefore if 20 = 100% then

Let x be the percentage

Divide both sides by 20

Equation: 20x/20 = 100/20

----> x = 5

Each Number is equivalent to 5 percent.

therefore 11 = 65%

What is 2 over 5 -1 over 3

Answers

Answer:

1/15

Step-by-step explanation:

A boat travels for 4 hours at a constant speed of 35.25 km/h.

How far does the boat travel?

A. 105 km

B. 120 km

C. 141 km

D. 352 km

Answers

C?
I think that’s the answer

The quadrilateral in Quadrant II is the image of the quadrilateral in Quadrant IV after a counterclockwise rotation about the origin.

What is the angle of rotation?

A. 90°
B. 180°
C. 270°
D. 360°

Answers

90 degree is the answer

The angle of rotation is 180°.

What is Rotation?

Rotation is a kind of geometric transformation where a figure or point is rotated by a certain degrees about a given point.

Given that the quadrilateral in Quadrant II is the image of the quadrilateral in Quadrant IV after a counterclockwise rotation about the origin.

We have two quadrilaterals here.

Coordinates of original quadrilateral in quadrant 4 is,

(5, -3), (3, -7), (11, -7) and (9, -3).

Coordinates of the image of the quadrilateral in quadrant 2 is,

(-5, 3), (-3, 7), (-11, 7) and (-9, 3).

Transformation of the point (x, y) is in the form (-x, -y).

This is the result of the rotation of 180° counterclockwise about the origin.

Hence the quadrilateral is rotated 180° counterclockwise about the origin.

Learn more about Rotation here :

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The sum of two numbers is 85. The second number is 4 more than 2 times the first number. Let x represent the first number and let y represent the second number. What are the two numbers? Use the table to guess and check. Numbers x y x y = 85 y = 2 x 4 19 and 65 25 and 60 27 and 58 32 and 53.

Answers

Answer:

C

Step-by-step explanation:

I got it from someone else but i hope its correct :)

50 POINTS IF YOU ANSWER THIS, IF CORRECT I WILL GIVE BRAINIEST!!!!!

Answers

Answer:

I'll answer this tomorrow. I'm busy.

Step-by-step explanation:

find the value of the 3 in 24.638​

Answers

Answer:

We do this by first finding the greatest common factor of 63 and 24, which is 3. Then, we divide both 63 and 24 by the greatest common factor to get the following simplified fraction: 21/8 Therefore, this equation is true

Hey there!




24.638

2: tens

4: ones

.
6: tenths

3: hundredths

8: thousandths


• When you’re putting it in word form:

twenty-four and six hundred thirty-eight thousandths

Therefore, your answer is: hundredths


Good luck on your assignment and enjoy your day!


~Amphitrite1040:)

Need help with 24 and 25

Answers

Answer:

im sorry too other people

maybe i didn't have that book

on the math

Question
Maths
Class 9
The diagram shows a shape made from a right-angled triangle and a semicircle.
AC is the diameter of the semicircle.
BA=BC=6 cm
Angle ABC=90°
Work out the area of the shape.

Answers

Hey man why you don’t upload a Shapes?

Disclaimer: The shapes were missing. I have provided the required diagram.

The area of the given shape is 46.26cm².

How do we calculate the area of a right-angled triangle?

Area of a triangle = (1/2)*base*height.

For a right-angled triangle, the base and height are the two sides making the right angle, that is, the base and the perpendicular.

Area of a right-angled triangle = (1/2)*base*perpendicular.

How do we calculate the area of a semi-circle?

We know the formula for the area of a circle is πr².

A semi-circle is half of the circle, so the area will also be its half.

Area of a semi-circle = (πr²)/2

What is the Pythagoras Theorem?

According to the Pythagoras theorem, the square of the hypotenuse is the sum of the squares of the other two sides. If we say the hypotenuse is 'c' and the other two sides are 'a' and 'b', then by the theorem:

a² + b² = c².

How do we solve the given question?

The given shape consists of one right-angled triangle and a semi-circle. To calculate its area, we first find the area of the right-angled triangle and the semi-circle individually and then add them to calculate the area of the shape.

Area of a right-angled triangle = (1/2)*base*perpendicular,

or, Area of a right-angled triangle = (1/2)*6*6 = 18cm².

We find AC using the Pythagoras theorem,

AC² = AB² + BC² = 6² + 6² = 72.

or, AC = √72 = √(36*2) = 6√2cm

The radius of the semi-circle (r)= (1/2)*diameter = (1/2)*6√2 = 3√2cm.

Area of a semi-circle = (πr²)/2,

or, Area of the semi-circle = (π*(3√2)²)/2 = 18π/2 = 9π.

Now, we can find the total area, by adding the two areas.

Area of the shape = Area of a right-angled triangle + Area of the semi-circle.

or, Area of the shape = 18 + 9π = 18 + 9*3.14 = 18 + 28.26 = 46.26cm²

Learn more about Area of shapes at

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The 12th term of an arithmetic sequence is 29 and the 32nd term is 169. What is the the 25th term?

Answers

Answer:

This is an arithmetic sequence since there is a common difference between each term. In this case, adding 5 5 to the previous term in the sequence gives the next term. In other words, an = a1 +d(n−1) a n = a 1 + d ( n - 1). This is the formula of an arithmetic sequence. Substitute in the values of a1 = 7 a 1 = 7 and d = 5 d = 5.

Step-by-step explanation:

Help me help with help for help me help plz help me help you help help plz plz help help plz plz help plz plz plz plz help help plz help me help Due in 20 mins

Answers

Answer: Check out the diagram below for the filled out table

Explanation:

Use square brackets to include the endpoint. A curved parenthesis is used to exclude the endpoint. This is to set up the interval notation.

So for example, writing [a,b] means [tex]a \le x \le b[/tex]

Another example: writing (a, b] means [tex]a < x \le b[/tex]

The set notation is practically identical to the inequality notation. All that's new is the use of surrounding curly braces, and the x | up front. In my opinion, the third column seems a bit redundant.

Together, Thomas and Tyrone have
$24.00. Thom is has three times as much
as Tyrone. How much does each have?

Answers

Answer:

Thom has $18.00 and Tyrone has $6.00

Step-by-step explanation:

let the amount Tyrone has be x , then Thom has 3x , so

x + 3x = 24

4x = 24 ( divide both sides by 4 )

x = 6

Then Tyrone has $6.00 and Thom = 3 × $6.00 = $18.00

will mark brainliest help

Answers

Y-int = 4
Slope = 1/2

The length of each side of the cube shown is 5 centimeters.

Which equation can be used to find the volume of the cube?

5 X 3 = 15 cm

3 x 25 = 75 cm

53 = 125 cm

35 = 243 cm

Answers

Answer:

5^3 = 125 cm^3

Step-by-step explanation:

The Volume of a cube is expressed as: V = s^3 - where s is the side of the cube and V is volume. Since all sides are 5cm long then the volume of the cube is 125 cm^3 OR it could also be expressed as 125 mL (since 1 cm^3 = 1 mL).

Pls someone answer my newest question is about practice on law of reflection

Answers

Answer:

that looks hard sucks for you

solve the system of equations by graphing

Answers

Answer:

x=2 ; y=-5

Step-by-step explanation:

What is the product?

−4 × ( −2 2/5)

Answers

Answer:

9.6

Step-by-step explanation:

Hope this help : ) . Bye.

Plz help show work pleaseeee

Answers

Answer:

[tex]m\angle Y =120 \degree [/tex]

[tex]m\angle Z =120 \degree [/tex]

Step-by-step explanation:

In quadrilateral TVZY.

TY = VZ (Given)

Therefore,

Quadrilateral TVZY is an isosceles trapezoid.

TV || YZ and VZ is transversal.

[tex]m\angle Z = 180 \degree - 60 \degree \\ (interior \: angles \: on \: same \: side \: \\ of \: transversal) \\ m\angle Z = 120 \degree \\ \\ m\angle Y = m\angle Z \: \\ (base \: angles \: of \: isosceles \: \\ trapezoid) \\ \implies \: m\angle Y =120 \degree [/tex]

Determine what type of sequence is given, then find the common difference or ratio. 3, 15, 27, 39, … Type of Sequence:

Answers

It’s an arithmetic sequence with a common difference of 12

how many 1 fourth hours are in 1 hour

Answers

Answer:

4

Step-by-step explanation:

60 minutes can be broken down into 4 quarters of time - 15 minutes

Step-by-step explanation:

An quarter of an hour is 15 mins. 60÷15 =4 so there are 4 quarters in an hour.

Two points located on are J(1,-4) and K(-2,8). What is the slope of ?

Answers

Answer:

-4

Step-by-step explanation:

to do this you use y2-y1/x2-x1

so this would be -4-8/1- - 2

-12/3 = -4

Need help with this I’ve been stuck lol

Answers

Answer:

6 ÷ 6 + 6 + 6 = 13 its a confusing problem

6 + 6 + 6 ÷ 6 = 13

i just used a cal-

One night, Gracie was so tired she dreamed about one of her math problems. She dreamed she was on anotherplanet, and some very strange looking monsters lived there. At her school, there were quite a ew blue and purplemonsters, but the yellow-polka-dotted ones with 2 arms and 3 feet seemed to be the most popular. The purplemonsters had 4 arms and 2 feet each, while the blue ones had 5 arms and 4 feet each. Gracie somehow figuredout that there was a total of 173 arms, 175 feet, and 51 heads in the school, not including hers. (Each monsterhas just one head.) Just when she had figured out how many of each kind of monster there were, Gracie’s alarmclock went off, and she couldn’t remember the answer. Can you help her?

Answers

Answers:

23 blue monsters1 purple monster27 yellow polka-dotted monsters

================================================

Explanation:

x = number of blue monsters

y = number of purple monsters

z = number of yellow polka-dotted monsters

x,y,z are positive whole numbers

Let's count the number of heads. We can say

x+y+z = 51

because there are 51 heads from all the monsters combined, and each monster has 1 head.

Now to the number of arms.

5x = number of arms from the blue monsters (5 arms each)4y = number of arms from the purple monsters (4 arms each)2z = number of arms from the yellow monsters (2 arms each)

Gracie counted 173 arms in total, so,

5x+4y+2z = 173

Lastly, the number of feet

4x = number of feet from the blue monsters (4 feet each)2y = number of feet from the purple monsters (2 feet each)3z = number of feet from the yellow monsters (3 feet each)

She counted 175 feet in total, giving us this third equation

4x+2y+3z = 175

---------------

We have this system of three equations and three unknowns.

[tex]\begin{cases}x+y+z = 51\\5x+4y+2z = 173\\4x+2y+3z = 175\end{cases}[/tex]

which honestly seems really tricky to solve.

There are a number of approaches we could take. I'll use substitution.

Let's solve for z in the first equation

[tex]x+y+z = 51\\z = 51-x-y\\[/tex]

which we can then plug into the other equations.

Plug it into the second equation to get

[tex]5x+4y+2z = 173\\5x+4y+2(51-x-y) = 173\\5x+4y+102-2x-2y = 173\\3x+2y+102 = 173\\3x+2y = 173-102\\3x+2y = 71\\[/tex]

Repeat for the third original equation mentioned

[tex]4x+2y+3z = 175\\4x+2y+3(51-x-y) = 175\\4x+2y+153-3x-3y = 175\\x-y+153 = 175\\x-y = 175-153\\x-y = 22\\[/tex]

---------------

We have this reduced system of equations with two unknowns and two equations this time

[tex]\begin{cases}3x+2y = 71\\x-y = 22\end{cases}[/tex]

We'll use the same idea as earlier: Solve for one variable, then plug it into the other equation.

Let's solve for x in this new equation 2

[tex]x-y = 22\\x = 22+y[/tex]

Then plug this into the first equation. Afterward, solve for y.

[tex]3x+2y = 71\\3(22+y)+2y = 71\\66+3y+2y = 71\\66+5y = 71\\5y = 71-66\\5y = 5\\y = 5/5\\y = 1\\[/tex]

Then we'll use this y value to find x

[tex]x = 22+y\\x = 22+1\\x = 23\\[/tex]

Lastly, we'll use those x and y values to find z

[tex]z = 51-x-y\\z = 51-23-1\\z = 27\\[/tex]

---------------

To summarize, we found

x = 23y = 1z = 27

This means there are

23 blue monsters1 purple monster27 yellow polka-dotted monsters

There's probably a (much) faster way to solve this, but it's not coming to mind at the moment.

What expression is an equivalent form of the expression (n)−3?
1/n3
-3n
-1/n3
3n

Answers

The expression which is an equivalent form of the expression (n)-³ is; 1/n³.

Negative Indices

According.to the question;

The given expression is; (n)-³

In essence, the variable n is raised to a power of -3.

On this note, using the law of indices regarding negative power; we can conclude that;

(n)-³ = 1/n³

Read more on indices;

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