In this swimming pool design, explain how to find the area of the pool’s surface.

In This Swimming Pool Design, Explain How To Find The Area Of The Pools Surface.

Answers

Answer 1

Answer:

8 ft × 10 ft = 80 ft

The bit at the end is a semi-circle and its diameter is 8ft, the formaula to find its circumference is (Diameter × π) = 8π but this is half a circle so

8π ÷ 2 = 4π

Now to find the area of the pool, you have to minus 4π by 80

80 - 4π = 67.4 (3 significant figures)


Related Questions

Use the chart and the dot plot to estimate the mean or average.
2 5 15 or 10

Answers

Answer:

5

Step-by-step explanation:

the answer is 5 because when you add 4,8,3,4,10,,6,7,8,18,11,and 30 you get 109 then you divide 109 by 20 and get 5.45 but when you round to the nearest whole you get an estimate of 5

Maria has the following scores on exams in her social studies class: 86, 75, 97, 58, 94, and 58.

A. Find the mean, median, and mode of the scores.

B. Should Maria’s social studies teacher use the mean, median, or mode of the exam scores to convince Maria that she needs to study more regularly for her exams?

Answers

Answer:

Below in bold.

Step-by-step explanation:

Arrange the scores in ascending order:

58 58 75 86 94 97

A. The mean = (58+58 +75+ 86+ 94+ 97)/6

= 468/6

= 78.

The median = (75+ 86)/2 = 80.5.

The mode = 58.

B. She should use the mode as it is the lowest score.

Mean: 78

Explanation: the mean is the average number in a data set, meaning you have to add all of the numbers and divide by the number of values (86 + 75 + 97 + 58 + 94 + 58) / 6

Median: 80.5

Explanation: The median is the value that separates the higher half from the lower half in a data set. in this case, you have to order the numbers least to greatest and since there is an even amount of numbers, you take the two middle ones and find the average of the two. (75 + 86) / 2

Mode: 58

Explanation: the mode is the value that appears most frequently in a data set, in this case it is 58

Part B: Maria’s social studies teacher should use the mode of the exam scores to convince Maria that she needs to study my regularly for her exams because it is the lowest score

A group of students held a fundraiser last year and raised $950 for charity. This year, they raised $1,045.

What is the percent change in the amount the group raised?

%

Answers

10% I believe, sorry if this is wrong

Answer:

10%

Step-by-step explanation:

1045 subtracted from 950 you get 95

Make fraction

95/950

Change over original

95 divided by 950

You get 0.10

As percent 10 %

Fifteen people were asked how many days it had been since they had eaten more than 50 grams of carbohydrates in a single day. The results are shown above. What is the interquartile range of the data? A) 1 B) 2 C) 3 D) 4

Answers

Answer:

b

Step-by-step explanation:

6; 7; 8; 8; 8; 8; 9; 9; 9; 10; 10; 10; 10; 10; 10

Q1 Q2 Q3

Q1= 8

Q2= 9

Q3= 10

INTERQUARTILE RANGE= Q3–Q1 =10–8 =2

B) 2

Step-by-step explanation:

UQ is 10

LQ is 8

10-8=2

Hope this helps!

Does anyone know this?

Answers

Answer:

88cm2

Step-by-step explanation:

You need to first find the area of all sides except the bottom, as you can see the bottom is a rectangle which means the triangles across from each other will have the same measurements.

To find the area of a triangle the formula is 1/2ab

1/2*8*6= 24

1/2*8*5=20

20*2+24*2=88

Therefore the answer is 88 cm2

88 cm2 is the answer

jaun has already run 6 miles this month.he plans to run an additional 2.5 miles per day. at this rate,how long will take jaun to run 41 miles?

Answers

Answer: 14 days hope this helps

Step-by-step explanation:

Answer:

Find your running pace per mile, kilometer, yard or meter. Calculate the distance you can run in a given amount of time, time required to run a specific distance, or your running speed. Use this calculator to find average pace for running, biking, swimming or walking.

Step-by-step explanation:

How to calculate running pace

Divide your run time by your distance

If you ran 3 miles in 30 minutes:

30 min ÷ 3 mi = 10 minutes per mile pace

How to calculate run distance

Divide your running time by your pace

If your pace is 8 minutes per mile and you ran for 32 minutes:

32 min ÷ 8 min per mi = 4 miles

How to calculate run time

Multiply your pace by your distance

If your pace is 9.5 minutes per mile and you ran 3 miles:

9.5 min per mi × 3 mi = 28.5 minutes = 28 minutes, 30 seconds

How to calculate running speed

Divide your run distance by your run time

If you ran 2.5 miles and you ran for 20 minutes:

2.5 mi ÷ 20 min = 0.125 miles per minute

Which algebraic representation of a transformation on a coordinate grid does NOT preserve congruence?
a.(x,y) > (-x, y)
b.(x,y) > (x+6, y+6)
c.(x,y) > (6x, 6y)
d.(x,y) > (-y, x)

Answers

Answer:

c

Step-by-step explanation:

answer a is a rotation which is a congruent trasformation

answer b is only moving the object not changing its size

answer d is the same as answer a

answer c is changing size

ANSWER FOR BRAINLIEST

Answers

Answer:what’s the question?

Step-by-step explanation:

Hey, help me with a question please!!!

Which expression is equivalent to 2/3−1/4x+1/2x−1/6?

Answers

Answer:

1/2 + 1/4x

Step-by-step explanation:

[tex] \frac{2}{3} - \frac{1}{4} x + \frac{1}{2} x - \frac{1}{6} = \frac{4 - 1}{6} + \frac{2 - 1}{4} x = \frac{3}{6} + \frac{1}{4} x = \frac{1}{2} + \frac{1}{4} x[/tex]

Help! 8th grade math is torture! Anyone? Sos signal!
The following three sides of a triangle are given below. Is it also a right triangle? Show work, and then state yes or no.


S
i
d
e

#
1
=
4

c
m
,

S
i
d
e

#
2

=
20

c
m
,

S
i
d
e

#
3

=
6

c
m
Side #1=4 cm, Side #2 =
20

cm, Side #3 =6 cm

Answers

Answer:

It is not a right triangle

Step-by-step explanation:

To check if the sides are a right triangle, check if the sum of the squares of the two smaller sides equals the length of the square of the longest side.

In other words, check if it works with the Pythagorean theorem:

Does

3

2

+

4

2

equal

6

2

?

3

2

+

4

2

?

=

6

2

9

+

16

?

=

36

25

36

Since

25

isn't

36

the triangle is not a right triangle.

Hope this helped!

Answer:

not really sure any more explanations that u can give

Step-by-step explanation:

The question is in the picture btw

Answers

Answer:

The width of the andre is 5×5×5=15

Then surface area will be length ×width=15×10=50

The rule in this pattern is add 3. Write the next 4 terms of the pattern. What do you observe about the terms in the pattern? Explain why you think this pattern will continue to be this way.

Answers

Answer:

What I noticed about the pattern is that the pattern of adding three will never change. You must always follow the rule of a pattern.

Work: 3,6,9,12,15

(3+3=6+3+9=12+3=15)

i neeeddd helpppppppppppp

Answers

Answer:

0.1

Step-by-step explanation:

There are ten tiles and one G and 0.1 is a tenth of one, so your chances are 1 in 10

Answer:the answer is 1

Step-by-step explanation:

theres ten squares and theres 1 g so 1 out of ten would be 1

Please carefully read and match the correct skills/positioning with the correct descriptions.

1. Receiving the Ball

2. Bottom Half of the "Pocket"

3. Top Half of the "Pocket"

A.
Outside Elbow – straight down from the shoulder
Forearm – horizontal across the midsection
Outside Hand – slightly bent with the palm up, ready to accept the other end of the ball
Fingers – pointing toward the quarterback

B.
Inside Elbow – even with the shoulders
Forearm – horizontal with the ground
Inside Hand – palm down, ready to accept the point of the ball

C.
Hands – both hands instantly secure the ball upon contact
Eyes – focused on where the play is designed to go

Answers

I hope this helps
You out
1=C
2=A
3=B

Find the area of the window shown below. Use 3.14 for IT. Round to the nearest tenth.

Answers

Answer:

I DON'T SEE ANY WINDOW?,

The answer is 3 sorry lol I need 20 characters

help me please with this one as well!!!!!!

Answers

Couple rules you have to know.

For angles d and e - angles opposite each other, equal each other

For angle f - you need to know d and e from previous rule. The angle of a flat line is 180 so d + e + f = 180 so f = 180- e - d

Answer:

d= 45°

e = 85°

f = 53°

Step-by-step explanation:

Given the image provided.

Solution:

we can see that d = 45, e = 82

     and 180 - (82+45) = f

                     f = 53

Beinggreat78 answer fast please :')

Answers

Answer: the third answer (17662.5)

Step-by-step explanation:

The answer to this problem is C

easy points 6th grade math problem

Answers

Answer:

ok i kinda get it?? Blank # 1 is 6 and blank #2 is 1:6

Step-by-step explanation:

ok so for every 1 square there are 5 triangles so the actual ratio should be 1:6 i guess. if they are asking for total shapes it is six but if the ratio is squares to triangles it should be 1:5

Answer:

For every 1 square there are 6 total shapes, therefore the simplified ration of square to total shapes is 1:6 hope it helps

Step-by-step explanation:

Please mark as brainliest if its right

Help me with my homework
-15 + (-63) - (-45) + (-16)
pls help meee

Answers

Answer:

- 49 is the answer to your question

Answer:

-49

Step-by-step explanation:

-15 + (-63) - (-45) + (-16)

Simplify (double negative cancels out)\

-15-63+45-16= -49

Hope this helps! :)

Jacob says that 1 1/8 inches is an outlier because it is the only length that does not have any dots. Is Jacob correct? Explain.

A. Jacob is correct. All of the other data values have dots, so a data value without dots is different and is therefore an outlier.

B. Jacob is not correct. An outlier is a data value that is very different than the other data values that have at least 1 dot.

C. Jacob is not correct. An outlier can lie anywhere on the line plot, and it must have exactly 1 dot.

D. Jacob is not correct. The outlier is 1 4/8 inches because the outlier is always the greatest data value.

Answers

A.Jacob is correct. The correct value is 1 1/8 inches. All of the other data values have dots, so a data value without dots is different and is therefore an outlier.

What is an Outlier?

An outlier is an observation that lies at an abnormal distance from other values in a random sample from an Experiment.

On observing the given figure length that does not have any dots is between

[tex]1 \ and\ 1\dfrac{2}{8}[/tex]

Calculatte the value between it

[tex]\dfrac{1+1\dfrac{2}{8}}{2}\\=\dfrac{\dfrac{18}{8}}{2}\\\\=\dfrac{9}{2}\\\\=1\dfrac{1}{8}[/tex]

Hence Jacob is correct. All of the other data values have dots, so a data value without dots is different and is therefore an outlier.

learn more about Outlier:

https://brainly.com/question/3631910

#SPJ2

PLS HURRY
Choices:
A. 20
B. 25
C. 22
D. 18

Answers

D. The answer is d. its that easy.
That answer is A. first you divide 1280pi by 8 squared. then you’ll get your answer. i’m 100% sure. i am in advanced math.

please answer this question :) help asap!
<3

Answers

Answer:

Distance covered by the bus at 6 hours is 504 kilometres.

Step-by-step explanation:

HELPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP

Answers

Answer:

I think D

Step-by-step explanation:

Answer:

Option B And D :- $ \sf \: 43 \overline{)876} = 20 \frac{16}{43}$ Or $43 \overline {)876} = 20r16$

Step-by-step explanation:

[tex] \sf \hookrightarrow \: \frac{876}{43} = 20 \frac{16}{43} \approx \: 20.372[/tex]

OR 876/43 = 20r 16 which can also be written as $20 \frac{16}{43}$

can you help thank you its due 33 min

Answers

Answer:

2/3 for the one going up in the 1st picture

2/3 and 1 1/3 for the bottom in first picture

2/3 and 1 1/3 going up in second picture

Step-by-step explanation:

hope its correct

On a coordinate plane, a triangle is located at (3, 4), and a square is located at (10, 4). What is the distance between the square and triangle?

Answers

Answer: 7

Step-by-step explanation:

You subtract 10 by 3 or you can graph it on graph paper and jump the squares.

An elevator is being pulled up from the ground floor to the third floor by a cable. The cable is exerting 4500 newtons of force on the elevator. According to Newton's law of action-reaction, what is the gravitational force on the elevator and the people in it, in newtons, if the elevator is not accelerating?



Record your answer and fill in the bubbles on your answer document. Be sure to use the correct place value.

Answers

Answer:

The gravitational force on the elevator = 4500N

The given parameters are;

The force applied by the elevator, F  = 4500 N

The acceleration of the elevator = Not accelerating

From Newton's third law of motion, the action of the cable force is equal to the reaction of the gravitational force on the elevator which is the weight, W and motion of the elevator as follows;

F = W + Mass of elevator × Acceleration of elevator

∴ F = W + Mass of elevator × 0 = W

F = 4500 N = W

The net force on the elevator is F - W = 0

The gravitational force on the elevator = W = 4500N.

Answer:

The gravitational force on the elevator = 4500N

The given parameters are;

The force applied by the elevator, F  = 4500 N

The acceleration of the elevator = Not accelerating

From Newton's third law of motion, the action of the cable force is equal to the reaction of the gravitational force on the elevator which is the weight, W and motion of the elevator as follows;

F = W + Mass of elevator × Acceleration of elevator

∴ F = W + Mass of elevator × 0 = W

F = 4500 N = W

The net force on the elevator is F - W = 0

The gravitational force on the elevator = W = 4500N.

Label the numbers that would go in each box so that each equation is true. Each equation has at least one negative number.
1. 2(blank exponent) times 2(blank exponent) equals 2⁰
2. 2³/2(blank exponent) equals 2(blank exponent)
3. 2 to the negative third power times blank with a negative third power equals 10 (blank exponent)

Answers

Answer:

1.

[tex] {2}^{2} \times {2}^{- 2} = {2}^{} [/tex]

2.

[tex] \frac{2 ^{3}}{2^{2} } = {2}^{1} [/tex]

[tex] {2}^{ - 3} \times {5}^{ - 3} = {10}^{ - 6} [/tex]

hope that will help you to understand

PLEASE HELP I WILL GIVE BRAINLYEST!
Joey buys a bicycle for 30% off the original price. The original price is $90 more than the sale price. What is the original price in dollars of the bicycle?

Answers

Answer:

If its 30% off, and that 30 percent is 90 dollars, then that means that the price is 270

Step-by-step explanation:

I think i am correct.

$270 because 30% is $80 and you add $90

PLS HELP

1) When you describe a graph by how it looks visually, you are explaining the shape
of the data’s

2) Histograms are used for data sets that are __________ and cover more of a
__________. Histograms break down the range into smaller
____________________. These interval groups are called ________.

Answers

Answer:

Step-by-step explanation:

Normal. A common pattern is the bell–shaped curve known as the “normal distribution.” In a normal distribution, points are as likely to occur on one side of the average as on the other. Be aware, however, that other distributions look similar to the normal distribution. Statistical calculations must be used to prove a normal distribution.

15% of the tickets were reserved seats that sold for $35 each. What was the total amount in sales for the $35 tickets?

Answers

Answer:

Total amount earned from the sale of 45$ reserved seats=  56,250$

Total amount accruing from the sale of 35$ seats= 26,250$

Total seats sold as general = 3000 seats

Total amount accruing from sale of general admission seats= 60,000$

Total amount garnered from sale of all the tickets= 1,42,500$

Step-by-step explanation:

Total number of seats available at the auditorium- 5000

A. 25% tickets= reserved seats

Total number of seats= 25*5000/100=1250 tickets

Cost of each seat- 45$

Total amount earned from the sale of reserved seats=  56,250$

B. 15% of the seat reserved at 35$ each

Total number of such seats reserved= 15*5000/100=750 seats

Total amount accruing from the sale of such seats= 26,250$

C. The remainder of the seats were sold as general seats

Total seats sold as general= 5000-(1250+750) = 3000 seats

D. Cost of each general admission= 20$

Total amount accruing from sale of general admission seats= Total seats*price of each

= 3000*20$= 60,000$

E. Total amount garnered from sale of all the tickets= 60,000$ + 56,250$ + 26250$

=1,42,500$

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