Find the Perimeter of the figure below, composed of a rectangle and a semicircle.
Round to the nearest tenths place. 9 and 6

Find The Perimeter Of The Figure Below, Composed Of A Rectangle And A Semicircle.Round To The Nearest

Answers

Answer 1

Answer:

33.3

Step-by-step explanation:

The straight line parts adds to [tex]9+9+6=24[/tex]. Then it's the half circle. A whole circle of radius 3 would have a length of [tex]2\pi\cdot3,[/tex] but we're only using half of it, so we divide it by 2. The whole shape has a perimeter of[tex]24 + 3\pi \approx 24+9.3 = 33.3[/tex]

Errata corrige: I used the diameter instead of the radius


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Students where lying or they where inaccurate for some reason

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[tex]x = 7 - p\implies x + p = 7\implies \boxed{p = 7 - x} \\\\[-0.35em] ~\dotfill\\\\ y = 3p+4\implies y = 3(7-x)+4\implies y = 21-3x+4\implies \blacktriangleright y = 25 - 3x\blacktriangleleft[/tex]

4x-5y=12, 6x+10y=18: solve by addition method

Answers

Answer:

x = 3 , y= 0

Step-by-step explanation:

Answer:

[tex]x=3[/tex];[tex]y=0[/tex]

Step-by-step explanation:

Double the first one, and add it to the second, to get rid of y

[tex]2I + II :8x -10y +6x -10y = 24+18\\14x = 42 \rightarrow x=3\\[/tex]

For the second value, let's take 3 times the first, subtract twice the second, and solve:

[tex]3I-2II: 12x-15y-(12x+20y)=36-36\\-15y-20y=0 \rightarrow -45y=0 \rightarrow y=0[/tex]

Please help with this equation
Solving for b.
r=(b+a)m

Answers

Step-by-step explanation:

r = (b + a)m

Solve for b

r = bm + am

r/(am) = bm

r/(am) × 1/m = b

r/(am²) = b

b = r/(am²)

equation with a variable on both sides that equal 27

Answers

Answer:

x +20 = 20 + 4 -x +10  (x =7)

Step-by-step explanation:

equation with a variable on both sides that equal 27

x +20 = 20 + 4 -x +10

write an equation of the line that passes through (0,2) and (3,10)

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Answer:

Slope Form: y-2= 8/3*x+2

Step-by-step explanation:

PLS HELP IM BEING TIMED

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Answer: am so sorry but I don’t know nothing

Step-by-step explanation:

I will Make Brainliest ! Plz solve those 5 Question on the Picture.​​ ​

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Answer:

[tex]y = {x}^{2} - 2x \\ (i) y= {3}^{2} - 2(3) = 9 - 6 = 3 \\ (ii)see \: the \: attached \: graph \\ (iv) {( \times - 1)}^{2} - 1 = 0 \\ (iii)x = 1 \rightarrow \: y = - 1\rightarrow(1,-1)[/tex]

[tex](v) \: the \: interval \: 3 - 1[/tex]

Emiliano thinks x=40 is the solution 1/2x=80 explain why he is wrong

Answers

Emiliano divided by two instead of multiplying. To solve the equation, he had to multiply both sides by two so that he could see what x equals when it's alone (if half of x is 80, x, or two halves, is 160).

The solution of the given equation is 160. Emiliano wrong because instead of multiplying he must have divided 80 by 2.

The given equation is 1/2 x=80.

What is an equation?

In mathematics, an equation is a formula that expresses the equality of two expressions, by connecting them with the equals sign =.

The solution of the given equation is

1/2 x=80

⇒ x =80×2

⇒ x =160

The solution of the given equation is 160. Emiliano wrong because instead of multiplying he must have divided 80 by 2.

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A man covers a distance of 150m in 1.5mins. Find the average speed in km per hour

Answers

Answer:

6 Km / hour

Step-by-step explanation:

Convert distance to Km ( 1 Km = 1000 m )

150 m = 150 ÷ 1000 = 0.15 Km

Convert 1.5 mins to hours ( 1 hour = 60 minutes )

1.5 = 1.5 ÷ 60 = 0.025 hours

average speed = [tex]\frac{distance}{time}[/tex] = [tex]\frac{0.15}{0.025}[/tex] = 6 Km / hour

The average speed in km per hour is 6 kilometers per hour

How to determine the average speed?

The given parameters are:

Distance = 150 mTime = 1.5 mins

Convert meters to kilometers

Distance = 150/1000 km

Distance = 0.15 km

Convert minutes to hours

Time = 1.5/60 hour

Time = 0.025 hour

The average speed is then calculated as:

Speed = Distance/Time

This gives

Speed = 0.15 km/0.025 hour

Evaluate

Speed = 6 kilometers per hour

Hence, the average speed in km per hour is 6 kilometers per hour

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A random sample of 500 adult residents of Maricopa County found that 361 were in favor of increasing the highway speed limit to 75 mph, while another sample of 400 adult residents of Pima County found that 270 were in favor of the increased speed limit. Construct a 95% confidence interval on the difference in the two proportions. Round your answer to four decimal places (e.g. 98.7654).

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Answer:

5.006

Step-by-step explanation:

graph the equation x=5 ,x=2 ,y=-2 ,y=1

Answers

Each line is a different color, representing the different points.

This is K12 in sixth grade
The committee is planning a party and 150 guests are expected. Each table seats 12 people.

How many tables will be needed to seat all 150 guests?


12

13

162

1800

Answers

Answer:

13

Step-by-step explanation:

divide 150 by 12

the answer is 12.5

round 12.5

;)

Your answer here is 13 aka b

1/4 equals how many eighths

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Answer:

The answer = 0.25

Write 1/ 5 √ 7 in index form

Answers

Your answer is long see it check correctly.

The index form of the fraction  [tex]\frac{1}{(7^{(\frac{1}{5})}) }[/tex] is written as [tex]7^{(\frac{-1}{5})}[/tex] where the exponent notation is [tex]7^{(\frac{-1}{5})}[/tex].

Given data:

In index form, the expression  [tex]\frac{1}{(7^{(\frac{1}{5})}) }[/tex] is written as [tex]7^{(\frac{-1}{5})}[/tex] , where the base is 7 and the exponent is -1/5. This means that we are taking the reciprocal of the fifth root of 7. The exponent of -1/5 indicates that we are essentially finding the inverse of the fifth root of 7.

When dealing with fractional exponents, the denominator of the fraction becomes the root, and the numerator becomes the power to which the base is raised. In this case, the base is 7, the denominator is 5, and the numerator is -1. So, [tex]7^{(\frac{-1}{5})}[/tex]  represents the reciprocal of the fifth root of 7, which can also be expressed as the fifth root of 7 raised to the power of -1.

Hence, the exponent notation is [tex]7^{(\frac{-1}{5})}[/tex].

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The complete question is attached below:

Write [tex]\frac{1}{\sqrt[5]{7} }[/tex]  in the index form.

Which ordered pairs represent points on the graph of this equation? Select all that apply.
3x + 2y = -12
(-6, 7)
(76)
(-4,0)
(0,7)
(3,-3)
(6,0)

Answers

You need to add each pair into the equation and see which one will give you -12.

3(-6)+2(7)= -4
3(-4)+2(0)=-12 YES
3(0)+2(7)=14
3(3)+3(-3)=0
3(6)+2(0)=18

The point (-4,0) will be the ordered pair of the equation 3x + 2y = -12. The correct option is B.

What is an equation of a line?

An equation of the line is defined as the linear equation having a degree of one. The equation of the line contains two variables x and y. And the third parameter is the slope of the line which represents the elevation of the line.

The general form of the equation of the line is y = mx + c, where m is the slope and c is the intercept cut by the y.

To calculate the ordered pair by satisfying the equation with each pair of points.

3(-6)+2(7)= -4

3(-4)+2(0)=-12 YES

3(0)+2(7)=14

3(3)+3(-3)=0

3(6)+2(0)=18

Therefore, the point (-4,0) will be the ordered pair of the equation 3x + 2y = -12. The correct option is B.

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The box plots shown represent the average mileage of two different types of cars. Use the box plots to compare the data sets. Drag each value to show if it is greater for SUVs, greater for sedans, or if there is not enough information to tell.

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Answer:

Parallel box and whisker plots are regular box and whisker plots, but drawn "one-above-the other" on the piece of paper. To enable to do this easily, draw an x-axis which is big enough for the largest value in the data, and small enough for the smallest value in the data (in the entire collection of data). Plot each box-and-whisker diagram below each other.

Step-by-step explanation:

pls mark

Answer:

Parallel box and whisker plots are regular box and whisker plots, but drawn "one-above-the other" on the piece of paper.

Step-by-step explanation:


If Dylan does a job in 50 hours and Kristen does a job in 75 hours, how long will it take them to do the job
together?

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75 hours because they both do it in the future

Find the area of the polynomial:
A.) 6a^3 + 12a^2 − 15a
B.) 6a^3 + 12a − 15
C.) 6a^2 + 12a − 15
D.) 5a^2 + 7a − 2

Answers

Answer:

A.) 6a^3 + 12a^2 - 15a

Step-by-step explanation:

Area = w * l

Area = 3a(2a^2 + 4a - 5)

Area = 6a^3 + 12a^2 - 15a

3. Write Math Two factors that make a product are sometimes called a factor
pair. Describe how using factor pairs helped you solve the problems.

Answers

Ymx+b
Is the value of the factor yes yes

four times the sum of x and 5 as an algebraic expression

Answers

4(x+5)

hope this helps

Answer:

20x

Step-by-step explanation:

Multiply the numbers.

4 * 5x

20x

Can you please tell me if this is correct ?

Answers

Answer:

(6*3) - 5

Step-by-step explanation:

The product of 6 & 3 = 6*3 = 18

5 less than 18 means the required number is 5 units smaller than 18. so you have to subtract from 18

18 - 5 = 13

13 is 5 less than 18

Simon bought a $48 table on sale at 30% off.

Select from the drop-down menu to correctly complete the sentence.
The best estimate for the discount can be found using the expression

A)0.003(50)
B)0.3(50)
C)3(50)
D)30(50)
Explain, please!

Answers

Answer:

The answer is B. Hope this helps!

The importance of crushing the Whiskey Rebellion was to uphold

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Answer:

Federal Authority should be the answer

The triangles shown below must be congruent.
25°
55-7
100"
100
55"
25°
0
о
A. True
о
B. False

Answers

9514 1404 393

Answer:

  B.  False

Step-by-step explanation:

The three pairs of corresponding angles have the same measures, so the triangles are similar by AA similarity. However, at least one pair of corresponding sides must be shown congruent before the triangles can be declared congruent.

There is nothing in the diagram to require the triangles be congruent.

With three corresponding equal angles triangles are not congruent. Therefore, the given statement is false.

What is the congruence theorem?

Triangle congruence theorem or triangle congruence criteria help in proving if a triangle is congruent or not. The word congruent means exactly equal in shape and size no matter if we turn it, flip it or rotate it.

The three pairs of corresponding angles have the same measures, so the triangles are similar by AA similarity. However, at least one pair of corresponding sides must be shown congruent before the triangles can be declared congruent.

With three corresponding equal angles triangles are not congruent. Therefore, the given statement is false.

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3x+2=198
Solve it as Soon as possible!​

Answers

[tex]▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪[/tex]

Let's solve for x ~

[tex]3x + 2 = 198[/tex]

[tex]3x = 198 - 2[/tex]

[tex]3x = 196[/tex]

[tex] \boxed{ \boxed{x = \dfrac{196}{3} } \: \: or \: \: \boxed{ x = 65.33}}[/tex]

Answer:

[tex]\boxed{\blue{ = \frac{196}{3}}} [/tex]

Step-by-step explanation:

Let's solve your equation step-by-step.

3x+2=198

Step 1: Subtract 2 from both sides.

3x+2−2=198−2

3x=196

Step 2: Divide both sides by 3.

[tex] \tt \: \frac{3x}{3} = \frac{196}{3} [/tex]

Result:

[tex]\boxed{\underline{ x = \frac{196}{3}}} [/tex]

A right circular cylinder has a surface area of 66π. If the height of the cylinder is 8, find the diameter of the base.

Answers

Answer:

6

Step-by-step explanation:

h = 8

Surface area = 66π

2πr(r +h) = 66π

2πr(r + 8) = 66π

[tex]r(r + 8) =\dfrac{66\pi }{2\pi }[/tex]

r² + 8r = 33

r² + 8r - 33 = 0

r² + 11r - 3r - 33 = 0

r(r + 11) - 3(r + 11) = 0

(r +11 ) (r - 3) = 0

r - 3 = 0             {Ignore r = -11 as radius will not have negative value}

r = 3

Diameter = 3*2 = 6 units

tickets to a fair cost $4 for children and $10 for adults. You are unsure of how many tickets were sold, but know that $200 was collected. define your variables. What would be my variables??

Answers

Answer:

4=

10=

200=

I dont actully know this i wanted to give it a try n all i got was this

equation for the line that passes through (4, -6) and has the slope 35.

Answers

Answer:

y = 35x - 146

Step-by-step explanation:

You just have to use the point-slope equation of a line which is (y - h) = m(x - k) where (h, k) is the point given and m is the slope given. Therefore, plug in h = 4, k = -6, m = 35 into the equation to get:

(y - ( -6)) = 35(x - 4) which simplifies to

y + 6 = 35x - 140 and if you want it in standard form, it is

y = 35x - 146

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