Mathematics High School

What is the area of the shaded region below?
с
90°
А
B
12 cm

What Is The Area Of The Shaded Region Below?90B12 Cm

Answers

Answer 1

Answer:

≈ 41.1 cm²

Step-by-step explanation:

The shaded area (A) is calculated as

A = area of sector - area of Δ ABC

   = πr² × [tex]\frac{90}{360}[/tex] - ( [tex]\frac{1}{2}[/tex] × 12 × 12 )

   = π × 12² × [tex]\frac{1}{4}[/tex] - (6 × 12)

   = 144π × [tex]\frac{1}{4}[/tex] - 72

    = 36π - 72

    ≈ 41.1 cm² ( to 1 dec. place )

Related Questions

4x-7+4x-7+4x-2=64 solve for x

Answers

x= 20/3 i hope this helps

Answer:

In fraction it would be 20/3. If its decimal its 6.7

Like that ???



Xxxxxxxxxx

Answers

Answer:

yes I belive it is like that

Step-by-step explanation:

Answer:

yeah that would be correct

The sum of a number x and 6 is -3 what is the value of X?

A. -18

B. 18

C. 9

D. -9

Answers

Answer:

Step-by-step explanation:

Given

X+6=-3

by substituting all the options in place of x and check

A.-18+6=-12

B.18+3=21

C.9+3=12

D.-9+6=-3

option D is answer

David buys a shirt for$15.25. The next month, the store increases the price of the shirt to $18.75.
What is the percent increase in the price of the shirt?

Answers

Answer:

22.9508% increase

Step-by-step explanation:

I used my calculator

Which integer has the GREATEST value? .

Answers

Answer:

-3

Step-by-step explanation:

-3 is closest to 0,1 (Whole Numbers)

Answer:

-3

Step-by-step explanation:

the reason why -3 is the greatest value is because it's closer to zero then -12, thus giving -3 the highest value

PLZ HELP ME!!! NO LINKS PLZ!!!!!!
The results of a survey of students' favorite food are organized in the frequency table below. What is the sum of all of the relative frequencies for all types of food?

Food Preferred Frequency
Pizza 10
Hamburger 6
Spaghetti 1
Hotdog 5
Taco 4
*THE ANSWER IS NOT 26*
Select one:
a. 0
b. 100
c. 1

Answers

Answer:

100

Step-by-step explanation:

because it seems right

Answer:

C. 1

Step-by-step explanation:

The sum of relative frequencies in a distribution always equals 1

A total of 9 identical pens cost $7.20 . What was the price for each individual pen?

Answers

Answer:

let the price of a pen be x

9 pens cost 7.20, so 9x costs 7.20. Therefore,

9x = 7.20

x = 0.8

Each pen is 0.8 dollars (80 cents).

Find the value of AB.

Answers

Step-by-step explanation:

[tex]ĀB = (12 \times 2) \\ = 24[/tex]

HELP I WILL GIVE BRAINIEST

Answers

It’s either A or D but maybe D

HELP ME SOLVE THIS PLEASE You paid $600 for a new guitar. Your guitar cost $40 more than twice the cost of your friend's guitar. How much did your friend's guitar cost?

Answers

Answer:

520??

Step-by-step explanation:

600-80=520??

educated guess.

Make an equation for this...

600= 2x+40

Subtract 40 from each side to cancel out the +40 from the right side

560= 2x

Divide by two to isolate the variable

280= x

ANSWER:
$280

Which of the following equations is represented by the figure?

Answers

your answer should be D.

please help me I’m not sure if I’m right lol :)!!!!

Answers

Answer:

You are correct :)

Step-by-step explanation:

Area of a circle = π * r2

R = 39

So 39 squared is 1521.

1521 times pi is 4775.94

Answer:

You are correct! The answer is 4775.94 in^2

Step-by-step explanation:

πr^2 or π(39)^2

What is the area of this
irregular shape?
.6 ft
square feet
3 ft
8 ft
16 ft

Answers

Answer:

AREA= LxWxH

Step-by-step explanation:

hasn't your teacher ever taught you that!?

You just remember this:

AREA= LxWxH

and you will get the answer! Just do:

6x3x8= _____ft

do it, BE A SUCESS

I dont understand this question

Answers

Answer:

y=1/4x+3

Step-by-step explanation:

Find the slope and do rise over run. The slope is 1/4. The function should be y=1/4x+3.

15. Order the following numbers from greatest to least.
74
22
133
V56, 4
31

Answers

Answer:

133, 74, 56, 31, 22, 4

Step-by-step explanation:

Fred and Wilma purchase a new home for $190,000. The value of the home increases by 4% every 3 years.
Determine the value of the home after 21 years.
After 21 years, the home is worth $?
Round your answer to the nearest cent.

Answers

Answer:

After 21 years the value of the house will be $250900

Yes, it worth

6.7 kilograms = grams

Answers

Answer:

6700 Grams

Hope This Helps!

Please help I am begging you extra points and BRAINLIEST!!!!!!!
You don’t have to show the work just answers! If you do this it will make my whole life please help!!!!!!!

Answers

[tex]\mathfrak{\huge{\orange{\underline{\underline{AnSwEr:-}}}}}[/tex]

Actually Welcome to the concept of linear equations.

Sheet - 1

1.) m = -8

2.) n = 10

3.) b = 45

4.) x = -40

5.) p = 2

6.) x = 6

7.) x = -4

8.) x = 4.5

9.) x = 8

10.) w = 40

Sheet - 2

1.) x = 2

2.) x = -2

3.) x = 20

4.) x = -3/2

5.) x = -8

6.) x = 11

7.) x = 0

8.) x = 5

9.) x = -10/3

10.) x = 30

Find the area of a circle with diameter,
d
= 4.7m.
Give your answer rounded to 1 DP.

Answers

17.4

divide diameter

then use formula to find area of circle using the radius

Michelle falou que tem 5 anos e que sua irmã tem 13 e seu pai 35 e sua mãe tem tres anos amenos que seu pai .Quantos anos a família tem ao total?

Answers

Responder:

85 anos

Explicação passo a passo:

Dado :

Idade de Michelle = 5 anos

Idade da irmã = 13 anos

Idade do pai = 35 anos

Idade da mãe = idade do pai - 3 = 35 - 3 = 32 anos

Idade total se a família:

(Idade de Michelle + idade da irmã + idade da mãe + idade do pai)

(5 + 13 + 35 + 32) = 85 anos

which set of sides will NOT make a triangle?

12cm, 7cm, 5cm

2cm, 3c, 4cm

11cm, 13cm, 3cm

19cm, 14cm, 7cm

Answers

12,7&5.
This is because the sum of any 2 sides must be longer than the third side. Here 5+7 = 12 and is not larger than 12.

what is the range of the given data above?
a.26
b.28
c.30
d.34
what is the width of tye class interval of the given data above
a.4
b.5
c.6
d.7​

Answers

the range would be 8.

Range= biggest number minus the smallest number! hope this helps! i

The range of the given data is 34.

The width of the class interval in the given data is 4.

What is the range?

Range is the difference between the highest and lowest values of a set of observations

Range =Upper-class boundary of the highest interval – Lower class boundary of the lowest interval

79 - 45 = 34

What is the class width?

The class width is the difference between the upper bound and lower bound.

Class width : 49 - 45 = 4

To learn more about range, please check: https://brainly.com/question/12372689

3. A class rolled number cubes. Their results are shown in the table. What is the experimental probability of rolling the number 1? Round your answer to the nearest tenth.

17.2%
16.4%
15.7%
17.5%

Answers

Answer:

15.7%

Step-by-step explanation:

Experimental probability is the probability of something that is determined by doing an experiment.

To find the probability, divide the number of rolling a one and add all the occurrences of every other result.

So,

42 / (42 + 44 + 45 + 44 + 47 + 46) =

42 / 268 =

0.156716 =

15.6716

Rounded to the nearest tenth, the probability of rolling a one would be 15.7%.

Which of the following is equal to 2?
A. 6 + 4 ÷ (2 + 1) × 3
B. (6 + 4 ÷ 2) – 1 × 3
C. 6 + (4 ÷ 2) + 1 × 3
D. (6 + 4) ÷ 2 – 1 × 3

Answers

I think the answer is B

Answer:

D

Step-by-step explanation:

Start with the values inside parentheses.

6 + 4 = 10

10 / 2 = 5

Then subtract 1*3.

5 - 3 = 2

*B is incorrect because according to order of operations, 4/2 should be calculated before adding 6.

Find the arc length (Give an exact answer and show work)

Answers

Answer:

Step-by-step explanation:

arc length formula s = r \Ф

s = 6 * [tex]\frac{7\pi }{4}[/tex]

s = [tex]\frac{42\pi }{4}[/tex]

s = [tex]\frac{21\pi }{2}[/tex]

leave it like that , above, b/c that's an exact answer.  

PLS HELP WILL MARK BRAINLIEST
How much greater is the perimeter of a square with an area of 144 square meters than the perimeter of a square with an area of 81 square meters?

3 meters
6 meters
12 meters
63 meters

Answers

Answer:

63 meters

Step-by-step explanation:

144-81=63

12 meters i just did this yesterday in class

Barbara says that the expression
6 - 3y + 4 + 2y is equivalent to the expression
5y + 10. Is Barbara correct?

Answers

Answer:

No she is wrong.

Step-by-step explanation:

Let's simplify step-by-step.

6−3y+4+2y

=6+−3y+4+2y

Combine Like Terms:

=6+−3y+4+2y

=(−3y+2y)+(6+4)

=−y+10

Answer:

=−y+10

Eaglecrest Elementary school is building a new playground. What is the area of the new playground?

Answers

Answer:

Step-by-step explanation:

(8 x 6) x 25 =

48 x 25 =

1200 ft2

Which function is represented in this graph?

f(x) = |x + 5| − 1
f(x) = |x + 1| − 5
f(x) = |x − 1| − 5
f(x) = |x − 5| − 1

Answers

Answer:

the first one

Step-by-step explanation:

f(x) = |x+5| -1

Find the volume (show work)

Answers

V = 1/3 × base × height

V = 1/3 × ( 8 × 8 ) × 7

V = 1/3 × 64 × 7

V = 448/3

V = 149.33333

V = 149.3

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