The area of a circle is 18.1 km^2. Find the radius of the circle in kilometers
rounded to the nearest tenth. Use 3.14 for PI, and enter the number only.

Answers

Answer 1

Answer:2.4

Step-by-step explanation:

area = pi* r^2

18.1 /3.14=r^2

5.76 =r^2

Now root square

Answer 2

Answer:

2.4 km

Step-by-step explanation:

πr²=18.1 km²

18.1/3.14=5.76km²

576/100

24/10=2.4km


Related Questions

y +4 = 2/3(x – 3)
Write equation in standard form.
Please put a step by step explanation!

Answers

Answer:

2x - 3y = 18

Step-by-step explanation:

The standard form is:

ax + by = c

Given equation in point- slope form:

y + 4 = 2/3(x - 3)

Convert:

y + 4 = 2/3(x - 3)3y + 12 = 2x - 6-2x + 3y = - 6 - 12-2x + 3y = - 182x - 3y = 18
y+4=2/3(x-3)y+4=2/3x-2y=2/3x-2-4y=2/3x-63y=2x-182x-3y=18

Explain a set of parallel lines and a transversal line within this image.

Plz help me, thx you so much

Answers

the tracks are parallel since they won’t cross, i’m not so sure about the transversal mb

L'espressione 37 38 10 + 10 è anche 0/5 uguale a

Answers

Answer:

anong grade po yan?

baka alam ko po

What is the expression after applying the distributive property? −5/8(−3+(−7))

Answers

Answer:

[tex]-\frac{5}{8} (-3 + -7) = -\frac{5}{8}(-3) + -\frac{5}{8}(-7)[/tex]

The expression after applying distributive property is [(-[tex]\frac{5}{8}[/tex]) × (-3)] + [(-[tex]\frac{5}{8}[/tex] ) × (-7)] = 50/8

What is Distributive Property?

Distributive property shows us how to multiply an arithmetic number or an algebraic expression with two or more numbers or expressions within brackets.

This can be symbolically represented as :

X ( Y + Z ) = XY + XZ

The expression given here is -[tex]\frac{5}{8}[/tex] (-3 + (-7)).

Applying distributive property, we get,

-[tex]\frac{5}{8}[/tex] (-3 + (-7)) =  [(-[tex]\frac{5}{8}[/tex]) × (-3)] + [(-[tex]\frac{5}{8}[/tex] ) × (-7)]

                  = (15/8) + (35/8)

                  = 50/8

The expression -[tex]\frac{5}{8}[/tex] (-3 + (-7)) after applying distributive property changes to the expression [(-[tex]\frac{5}{8}[/tex]) × (-3)] + [(-[tex]\frac{5}{8}[/tex] ) × (-7)] = 50/8.

To learn more on distributive property, click:

https://brainly.com/question/5637942

#SPJ2

What is the measure of RCD in the figure below?
P
11
D
350
11
C
R
A. 350
B. 55°
C. 11°
D. 60°
E. 700
F. Cannot be determined

Answers

I think the answer to this problem is A

Will mark brainliest to best answer, i need it asap!!!!!!!!!!!!!

Answers

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

The Above statement can be represented as :

[tex] \dfrac{a - 15}{10} [/tex]

so, the correct choice is A.

How many weeks are there in a year?​

Answers

Hello There!

There are [tex]52[/tex] weeks in a year. Hope this helps

Will give 25 points if someone can answer this page

Answers

Answer:

Domain = {1,2,3,4,5,6} and Range = {42,49,56,63,70,77The given function is :

y = 7x + 35

Where

x is no of members

y is the monthly cost

Your group has enough money for up to six members to joim fitness club. It means domain (the set of input values) are:

Domain = {1,2,3,4,5,6}

Put x = 1 to 6 one by one,

y = 7(1) + 35 = 42

y = 7(2) + 35 = 49

y = 7(3) + 35 = 56

y = 7(4) + 35 = 63

y= 7(5) + 35 = 70

y = 7(6) + 35 = 77

Range = {42,49,56,63,70,77}

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4

answe

Answer:

13)

Domain: -1 ≤ x ≤ 3

Range: -8 ≤ y ≤ 8

14)

Domain: 2 < x < 7

Range: 1 < y < 6

15a)

Independant: x

Dependant: y

15b)

Domain ­ {1, 2, 3, 4, 5, 6}

Range ­ {42, 49, 56, 63, 70, 77}

Hope it helps <3

Can someone please help me?

Answers

Answer:

31.8°

Step-by-step explanation:

sin x = 39/74

x = arcsin(39/74), which is about 31.8°.

6.1 times 10 to the 4th power

Answers

Answer:

61,000

Step-by-step explanation:

[tex]6.1[/tex]·[tex]10^{4}[/tex]

6.1·10000

61,000

Answer:

61,000

Step-by-step explanation:

6.1 · 10^4

6.1 · 10,000=

61,000

Please help! Thank you
3-4 Parallel and Perpendicular Lines

Answers

Answer:

A

Step-by-step explanation:

AD and BC are parallel and AB and DC are parallel so that crosses out the two no options. The corisponding angles theorem is for is there is a tranversal  so that crosses out teh second option.

A vendor sells tacos and burritos. One family buys 3 tacos and 2 burritos for $9.25. Another family buys 7 tacos and 4 burritos for $19.75. Find the cost of each item.

Answers

Answer:

Taco: $1.25

Burrito: $2.75

Step-by-step explanation:

Let x = tacos

y = burritos

Since the first family bought 2 burritos, we multiply y by 2; we multiply x by 3 since they bought 3 tacos.

3x + 2y = 9.25

We do basically the same thing for the other family

7x + 4y = 19.75

We'll use elimination method to solve this

7x + 4y = 19.75

3x + 2y = 9.25

Multiply the bottom equation by -2

7x + 4y = 19.75

(3x + 2y = 9.25)-2

7x + 4y = 19.75

-6x - 4y = -18.5

Now subtract the equations and we get this

x = 1.25

A taco costs $1.25

Plug the new x into one of the original equations

3(1.25) + 2y = 9.25

3.75 + 2y = 9.25

- 3.75         - 3.75

2y = 5.5

2y/2 = 5.5/2

y = 2.75

A burrito costs $2.75

The ages of Sara and Samia are in the ratio 3: 5. Six years from now the ratio of

their ages will be 2:3.Find their present ages. with explanation please

Answers

Answer:

Sara=18 years

Samia=30 years

Step-by-step explanation:

For age questions, the difference of their ages remains the same.

Now             6 years from now

Sara:Samia Difference Sara:Samia Difference

  3   :    5            2             2   :   3           1

                                           x2     x2         x2   (times two to make them equal)

                                           4   :    6          2        

4-3=1

1 unit=6

Sara=6x3=18

Samia=6x5=30

Hope this helps! Thanks.

savanna watches 21 hours of TV per week what is her daily rate

Answers

Answer:

3 hours of tv per day

Step-by-step explanation:

there are 7 days in a week

21/7 = 3

ANSWER QUICK FIND THE SLOPE

Answers

Answer:

2

Step-by-step explanation:

6/5, distance is over time because time is the y-axis and distance is the x-axis
To find slope you use the formula is y2 - Y1 / x2 - x1 or 12-6/ 10-5. Another way to calculate would be rise over run.

Brainliest
A trial is 9/10 of a mile long. Abdul hiked 2/5 of the length of the trial. Which steps could be used to determine how far he hiked, in simplest terms? Check all that apply.

Answers

Answer:

Find the product as follows 9/10 x 2/5= 18/50

Step-by-step explanation:

I had this question and got it right!

The difference of four times a number and 5
is 39. Find the number.

Answers

The difference of four times a number and 5 is 39 can be expressed algebraically as:

4x - 5 = 39

Now, we can solve for x.

Add 5 to both sides:

4x - 5 + 5 = 39 + 5

4x = 44

Divide both sides by 4 to solve for x:

4x/4 = 44/4

x = 11

Please mark my answers as the Brainliest if you find this helpful :)

3. A rectangular field is 3 times as long as it is wide,
and it has an area of 192 square yards. How many
yards long is it?
A. 8
B. 24
C. 48
D. 72
E. 96

Answers

The answer is A please Mark as brainless

Asha is 4 years less than 3 times the age of her daughter. If the sum of their ages is 48 years. Find their age.

Answers

Answer:

28

Step-by-step explanation:

48/3=16

48-16=32

32-4=28

When lines are parallel...

Answers

Answer:

1) Congruent

2) Supplementary

3) Congruent

4) Congruent

Step-by-step explanation:

1) The Alternate Interior Angles Theorem states that, when two parallel lines are cut by a transversal , the resulting alternate interior angles are congruent .

2) Formally, we can say that if two lines are parallel, then consecutive interior angles are supplementary. We refer to this as the consecutive interior angles postulate.

3) When the lines are parallel, the corresponding angles are congruent . When two lines are cut by a transversal, the pairs of angles on one side of the transversal and inside the two lines are called the consecutive interior angles.

4) The Alternate Exterior Angles Theorem states that, when two parallel lines are cut by a transversal , the resulting alternate exterior angles are congruent.

Simplify the following algebraic expression by combining like terms 2x - 2 + x + 4

Answers

Answer:

3x+2

Step-by-step explanation:

2x-2+X+4

= 2x+X+4-2

= 3x+2

If a circle has a circumference of 40.82cm what would the diameter be show working out

Answers

Answer:

d = 12.99cm

Step-by-step explanation:

The formula of the circumference of a circle is as follows:

    [tex]C = \pi d[/tex]

    [tex]40.82 = \pi d\\\frac{40.82}{\pi } = d\\ d = 12.99 cm[/tex]

find the diameter of the circles having areas of 2464 cm square .​

Answers

Answer:

the diameter of a circle is 56 CM

I can do sin A but have no idea what sin B means.

Answers

Answer: sin B is equal to H in most scenarios, but I don't know what it is in this one.

Step-by-step explanation:

What’s the answer? Please help thank you

Answers

Answer:

-5000

Step-by-step explanation:

hope this helps :)

I NEED TO ANSWER ASAP PLEASE AND THANKS

Answers

Answer:

x(n) ≤ 678(n)    

Step-by-step explanation:

let n represent per night.

it cannot cost more than $678 per night (n). If x was how much you paid, it would depend on the number of nights. So that is represented by x(n). Then, add the rest of the inequality (≤678(n))and the  answer is x(n) ≤ 678(n)

please leave a “thanks” heart if this helped

Alright, second time asking...
If ABC is similar to EHG, find the measure of angle EHG.

Answers

Answer:

They should be the same as abc because it is just translated across the y axis if we were on a grid.

Step-by-step explanation:

(Correct answer get's brainliest)
What is the domain and range of the function?

Match the domain and range with the corresponding set of points.

Answers

Domain (0, infinity)
Range (-inf, 1)
Domain : (0, infinity)
Range : (-infinity, infinity)

what is the translation rule?

Answers

Answer:

(x,y) -> (x+1,y-7)

Please help me solve these 3 questions

Answers

1. To solve algebra equations using the distributive property, we need to distribute (or multiply) the number with each term in the expression. In that way, the brackets are removed. We can then combine like terms and solve by equations when necessary.

2. The first step is simply to apply the distribution using the distributive property : 3(3x-5x)+2=-8 applying the distributive operation we get 9x -15x or we could have simply done 3(2x)+2=-8 which gives us 6x+2=-8 and finally 6x= -8/2= -4

6x=-4 means x= -4/6 thus x= -2/3

3. Multiplication has priority over addition or subtraction thus we have first to apply the distributivity before combining the variable terms

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