Mathematics Middle School

The point B is at the centre of the circle.
The points P and Q are on the circumference of the circle.
Calculate the area of the shaded sector.
take π to be 3.142 in your working.
Give your final answer to 1dp

The Point B Is At The Centre Of The Circle.The Points P And Q Are On The Circumference Of The Circle.Calculate

Answers

Answer 1

Answer:

24.7

Step-by-step explanation:

Calculation of the area of the shaded sector is 24.7:

Since

Line PQ = 5.413590865cm

BQ = 9cm

Now

cos(x) = 0.8190928022

x = 35.00591739˚

Now finally the

Area of sector = 24.7cm^2

So point B is at the centre of the circle, making the area of the shaded sector to be 24.7 .

Related Questions

!!please help, the correct answer gets brainiest!!

Sarah is building a garage on her property. She wants the garage to be 10 feet by 9 feet.
Note: Model the area of the garage using a coordinate plane.
What is the total area of the garage?

Please explain how you got your answer legibly!!

Answers

In order to find area, you use L(length)•W(width). Since her garage is 10x9, the equation would be 10•9, which makes the total area of the garage 90ft^2

Isabella makes $15.35 an hour at her company. Skyler, who works at the same company, earns $18.35 an hour. His hourly wage increases by $0.25 each year. How many years ago did Skyler start working at this company if his starting pay was the same as what Isabella makes now? Show your work or explain your reasoning.

Answers

Answer-the answer is 3 years

Step-by-step explanation:So what I did is subtract skylers wage by isabellas wage(18.35-15.35=3)and I go 3 so he has been working 3 years at this job

12 years, if you subtract the wages you’ll get a 3 dollar difference. Then you divide 3 by 0.25 to get 12

Algebra Question on Quadratics
Will give brainliest, thanks, and 5 stars.
The question is worth 25 points.

Answers

Answer:

Width = 93

Step-by-step explanation:

12 × 16 is 192

285 - 192 = 93

Answer:

The width is 93.

Step-by-step explanation:

I took the test.

What is the solution to this inequality?

Answers

Answer:

Hi! I solved your question, just check the images.

Step-by-step explanation:

See image above.

The Articles of Confederation were ________.

A. a set of rules for governing the nation
B. able to unite the colonies
C. responsible for bringing peace to the new colonies
D. written to give Congress full power to pass and enforce laws

Answers

Answer:

The Articles of Confederation were A. a set of rules for governing the nation.

Helppppppppppppppppppppp

Answers

Flora starts with ten, then spends 60 dollars, leaving her with 50 dollars in debt. She then refunds 30 dollars leaving her with 20 dollars in debt.
10-20= -10 then she spends $40 which makes her be $50 in debt and lastly she gets back $30 leaving her still in $20 in debt.

Please help me!!! Due tonight thank you, you will make my day so much!!!

Answers

Answer:

The area increases by 25.68 [tex]cm^2[/tex]

Step-by-step explanation:

The surface area of a cuboid is 2lw + 2wh + 2lh, where l = length, w = width, and h = height. The current surface area is 2*18*3.4 + 2*3.4*30 + 2*18*30, which is 1406.4. If the height is increased by 0.6 cm, the surface area will be 2*18*3.4+2*3.4*30.6+2*18*30.6, which is 1432.08. The difference is surface area is 25.68 [tex]cm^2[/tex]

Answer:

The area increases by 25.68

Step-by-step explanation:

BRAINLIEST

Complete the missing number problem.

N = 32 ÷ (5 - 1)
N = 32 ÷ _

N = _

Answers

n=32÷4

n=8

N=8 because you subtract the 5 from 1 and get 4 then you divide 32 and 4 and you get 8

Assignment

1. The mark up price of a pair of shoes which costs $125.00 is 8.35%. a)What is the final price? If the tax is 6 1/2% How much will be paid for that pair of shoes?

2. A TV set costs $175. How much will the store get if the commission of the sales person is 12 1/2% ?

3. The bag that costs $86.50 was discounted $15.50. How much was paid for the bag? What was the discount rate?

4. The dress that Rhea bought costs $75.00. It was taxed $12.75. How much did she pay? How much was the tax rate?

Answers

Answer:

Look at photo

Step-by-step explanation:

Look at photo

What can we say about -E?

Answers

A is the answer I had that question before I understand how dreadful it is

Answer:

-E=A

Step-by-step explanation:

e is 4 segments away from zero in a positive direction. assuming that each segment has a value of one you are at 4 and the point a is at -4 wich is the negative version of 4 therefor option A is correct

Two more questions(Please help i need this done by today)

Answers

Answer:

for question 19 the answer is 6,12

Step-by-step explanation:

and then I'm sure of the last one

pls mark brainlest!!

6. Find Each missing measure in the following problem

Answers

M/7:180-(21+131)=28
M/6:90-32=58
M/1=90
M/2=180-(90+32)=58
M/3=180-(21+58)=101
M/4=180-131=49
M/5=360-101-49-58=152

Help me please I do not understand.

Answers

Answer:

there is given length and time

Boomerang 15.3 ft/s
Greased Lightning 25.74 ft/s
space mountain 26.25 ft/s
Rajun Cajun 15.3 ft/s
flight of Icarus 15.3 ft/s

To calculate the rate, the formula is s= d/t where s = speed, d= distance in feet, t= time in seconds. The roller coasters that has a proportional relationship are boomerang, rajun cajun, and flight of Icarus as they all have the same rate.

Nikita performed an experiment in which she randomly pulled a marble from a bag, recorded its color, placed it back in the bag, and then repeated. The results are shown in the following table.

Result Frequency
Red 20
Purple 24
Blue 12

Based on the experiment, what is the probability of drawing a blue marble?

Answers

i believe the answer is 3/14
not quite sure but thats my guess:)

The ratio x : 8 is equivalent to the ratio 8 : [tex]x^{2}[/tex]. What is the value of x?

Answers

x=4

4:8 is equivalent to 8:16 because both can be looked at as 1:2
x/8=8/x^2
64=x^3
x is 4

Find the perimeter and area of the shaded figure below.

Answers

perimiter 10
area 6
Perimeter - 10 units
Area - 6

Explanation: Perimeter: 2 + 3 + 2 + 3 = 10
Area: 2*3 = 6

Answer the following about 693/9 estimating.

Answers

Answer:

For (a), the answer is 720/9 because that is a closer estimate of 693/9 than 630/9. For (b), its a overestimate because 720/9 is greater than 693/9.

4 √100?

I know it’s √10 but how?

Answers

Answer:40

Step-by-step explanation:

Simplify the radical by breaking the radicand up into a product of known factors, assuming positive real numbers.

Answer:

40

Step-by-step explanation:

Simplify the radical by breaking the radicand up into a product of known factors, assuming positive real numbers.

CAN SOMEOME HELP ,E?

Answers

Answer:

B

Step-by-step explanation:

Setting up long division we get:

B. If you need any help tell me

Whoever gets it right can have brainliest, but answer ASAP!

Answers

Answer:

[tex]Hi!~I~am~beinggreat78,~and~I~will~help~you![/tex]

Let's start by breaking down the problem.

This is how it should look. ↓

[tex]60[/tex] ÷ [tex]20[/tex] ⇒ [tex]+ 3[/tex] ⇒ [tex]x * 5^2[/tex]

What does that x mean? x is just a substituted value for the first 2 equations.

Now, we can solve.

[tex]60[/tex] ÷ [tex]20[/tex] [tex]= 3[/tex]

Add 3

[tex]3 + 3 = 6[/tex]

Now, multiply 6 times 5 squared. What does 5 squared mean? 5 squared is just 5 times itself once. You most likely want to solve 5 squared before multiplying.

[tex]5^2~or~5 * 5 = 25[/tex]

And now for the last step, multiply 25 times 6

[tex]25 * 6 = 150[/tex]

With that information, the problem is solved! Your answer is 150

Answer: 78
This is a simple PEMDAS equation.
We will start with 5^2 because there are no parentheses and the second step is exponents. 5^2 is 25.
Now our equation looks like this: 60/20+3x25.
The next step will be multiplication. 3x 25 is 75.
Our equation now look like this: 60/20+75.
The next step is dividing. 60/20 is 3.
The equation now looks like this: 3+75 which is 78.
And that’s your answer.

For the data set summarized in the boxplot, identify the interquartile range (IQR). A) 22 B) 32 C) 57 D) 75

Answers

Answer:

IQR = 22

Step-by-step explanation:

The interquartile range, or the IQR, is quartile 3 - quartile 1. The box in the middle contains quartile 1, median, and quartile 3. The median is the line inside the box, quartile 1 is the line to the left of the median, and quartile 3 is the line to the right of the median. In this case, the IQR is 70 - 48.

IQR = 22

I hope this helps and please mark me as brainliest!

The interquartile range of the data set summarized by the box plot is 22.

What is the interquartile range?

On the box in a box plot, the first line to the left represents the lower (first) quartile. 25% of the score represents the lower quartile. The third line on the box represents the upper (third) quartile.

Interquartile range = Q3 - Q1

70 - 48 = 22

To learn more about box plots, please check: https://brainly.com/question/27215146

Solve f(x)=2, if f(x)=1/2x-3

Answers

Answer:

10

Step-by-step explanation:

Solve f(x)=2, if f(x)=1/2x-3

Both equations are set to equal f(x) so the solution would be the two equations set to equal each other

2 = 1/2x - 3

==> add 3 to both sides

5 = 1/2x

==> multiply both sides by 2

10 = x

Answer:

x = 10

given:

f(x) = 2

======

[tex]\sf \rightarrow \dfrac{1}{2} x- 3= 2[/tex]

change side

[tex]\sf \rightarrow \dfrac{1}{2} x= 2+3[/tex]

simplify the following

[tex]\sf \rightarrow \dfrac{1}{2} x= 5[/tex]

change side

[tex]\sf \rightarrow x= 5*2[/tex]

final outcome

[tex]\sf \rightarrow x= 10[/tex]

The ratio of the areas of two similar figures A and B is 49:81. The length of a side in figure B is 7,2 cm. Find the length of the corresponding side in figure A.

Answers

Answer:

the A is 4.36

Step-by-step explanation:

1. you have to divide 81/49 and is equal to 1.65. 2. so 7.2 is b, this mean for find A we have to divade, 7.2/1.65, so is equal to 4.36.

Reply text reminder to reply text reply back reply reply please text reply reply yea yea reply reply thank you thank love you for reply reply text back to reply reply text back reply reply text reply reply thank

I NEED HELP CUZ I BAD

Answers

Answer:

Given:

∠1 = 63 - 2x°∠2 = 72 - 3x°

And if we look at the diagram, we can see that angles 1 and 2 are corresponding, and corresponding angles are congruent(meaning they measure the same degrees).

So all we need to do now, is set up the equation to angle 1 being equal to angle 2.

(63 - 2x) ← [angle 1] = (72 - 3x) ← [angle 2]

Solve;

63 - 2x = 72 - 3x

+2x            +2x

63 = 72 - 1x

-63     -63

9 - 1x = 0

+1x      +1x

9 = x, the value of 'x' measures 9°.

Sophia is 12 years old. Her Uncle Reynald tells her that if she adds 5 to her age, multiplies the sum by 3, and then subtracts 4 from the product, she will find his age. She tells him that his age equals the expression 12 + 5 × 3 − 4 . Is Sophia correct? Choose the correct answers from the drop-down menus. Sophia is incorrect/correct . Her uncle’s actual age is 24/35/47/51

Please help! Btw the / means or

Answers

Answer:

1) 24 of age

Step-by-step explanation:

Sophia's uncle Reynald is 24 years old

12+(5×3)-4

12+15=27-4=23

But the only closest option to the sum is 24.

The sum to this word problem is 24.

Answer:

Sophia's expression is incorrect because of the rule of equation telling you to multiply first and then subtract. the correct expression is (12+5)3-4 which would equal to 47

Step-by-step explanation:

Whoever answers correctly can have brainliest
but answer asap

Answers

Answer:

1/20

Step-by-step explanation:

If it's multiplication the answer should be 1/20.

But if that's not a multiplication sign but is actually just an "x", then the answer would be x/20.

Answer: 2/5×1/8=1/20

Whoever gets it right can have brainliest, but answer ASAP!

Answers

Answer:

[tex]beinggreat78~is~here~to~help.[/tex]

The answer is 19 - 4, because of PEMDAS.

ParenthesesExponentsMultiplicationDivisionAdditionSubtraction

Any expression wrapped in parentheses always comes first. Whether the sky is pink or blue, parentheses still come first.

PENDAS - (Parentheses, exponents, multiply, divide, add subtract)

its 19-4

HELP PLEASE! FIND THE SURFACE AREA OF PRISM (WITH THESE NUMBERS)

Answers

Answer:

31.5

Step-by-step explanation:

4.5*2*3.5

W*L*H

width*length*heighth always remember that.

Answer: 31.5 just gotta multiple base x height x length

Whoever answers correctly can have brainliest
but answer asap

Answers

Answer:

3 1/3

Step-by-step explanation:

Make the fractions into improper fractions:

2 1/2 = 5/2

1 1/3 = 4/3

5/2 × 4/3 =

5×4/2×3 =

20/6 =

10/3 =

3 1/3

please solve this for me I need help!

Answers

Answer:

24

Step-by-step explanation:

15+ 9=24

3x5=15

1/2(6x3)=9

I’m going to say it 24.
Because the triangle if you do the formula it is 9. Then 5•3 gets you 15 add those two together 15+9 should give you 24.
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