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3 years ago

10

3) The circumference of a circle is 56.52 in. What is its diameter?

2 answers:

zhenek [66]3 years ago

7 0

Answer:

Approximately 18in

Step-by-step explanation:

To find diameter with circumference, you divide the circumference by pi.

56.52/π

lakkis [162]3 years ago

5 0

Answer:

17.988/17.99 depending what decimal point your teacher wants it to

Step-by-step explanation:

The formula to get the diameter of a circle from the circumference is: Circumference x 3.142

And 56.52= 17.988

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Please help I’m really lost. This is my final hw.

sleet_krkn [62]

Answer:

A).

${ \tt{first \: rotation = 360 \degree}} \\ { \tt{second \: rotation = 360 \degree}} \\ { \tt{third \: rotation = 90 \degree + (90 - 60) \degree}} \\ { \tt{third \: rotation = 120 \degree}} \\ \\ { \bf{angle}} = { \tt{ {1}^{st} \: rotation + {2}^{nd} \: rotation + {3}^{rd} \: rotation}} \\ = 360 \degree + 360\degree + 120\degree \\ = { \tt{840\degree}}$

7 0

3 years ago

Divide and answer in simpilist form: 1/2 ÷4

sergeinik [125]

Answer:

1/8

Step-by-step explanation:

1/2 ÷4

Copy dot flip

1/2 * 1/4

1/8

8 0

3 years ago

Read 2 more answers

A parrot is selling for 40% off the original price. the original price was $90.what is these price of the parrot

BigorU [14]

40 percent off of $90 is $36.

8 0

4 years ago

An architectural drawing lists the scale as 1/4" = 1'. If a bedroom measures 312" by 514" on the drawing, how large is the bedro

earnstyle [38]

Answer:

1248' x 2056' so I think you missed copying decimals but I would asume B

Step-by-step explanation:

312''x(1/(1/4''))=1248'

514''x(1'/(1/4''))=2056'

4 0

3 years ago

A playground is being designed where children can interact with their friends in certain combinations. If there is 1 child, ther

mariarad [96]

<h2>Answer:</h2>

<em><u>Recursive equation for the pattern followed is given by,</u></em>

$a_{n}=a_{n-1}+(n-1)^{2}$

<h2>Step-by-step explanation:</h2>

In the question,

The number of interaction for 1 child = 0

Number of interactions for 2 children = 1

Number of interactions for 3 children = 5

Number of interaction for 4 children = 14

So,

We need to find out the pattern for the recursive equation for the given conditions.

So,

We see that,

$a_{1}=0\\a_{2}=1\\a_{3}=5\\a_{4}=14\\$

Therefore, on checking, we observe that,

$a_{n}=a_{n-1}+(n-1)^{2}$

On checking the equation at the given values of 'n' of, 1, 2, 3 and 4.

<u>At, </u>

<u>n = 1</u>

$a_{n}=a_{n-1}+(n-1)^{2}\\a_{1}=a_{1-1}+(1-1)^{2}\\a_{1}=0+0=0\\a_{1}=0$

which is true.

<u>At, </u>

<u>n = 2</u>

$a_{n}=a_{n-1}+(n-1)^{2}\\a_{2}=a_{2-1}+(2-1)^{2}\\a_{2}=a_{1}+1\\a_{2}=1$

Which is also true.

<u>At, </u>

<u>n = 3</u>

$a_{n}=a_{n-1}+(n-1)^{2}\\a_{3}=a_{3-1}+(3-1)^{2}\\a_{3}=a_{2}+4\\a_{3}=5$

Which is true.

<u>At, </u>

<u>n = 4</u>

$a_{n}=a_{n-1}+(n-1)^{2}\\a_{4}=a_{4-1}+(4-1)^{2}\\a_{4}=a_{3}+9\\a_{4}=14$

This is also true at the given value of 'n'.

<em><u>Therefore, the recursive equation for the pattern followed is given by,</u></em>

$a_{n}=a_{n-1}+(n-1)^{2}$

3 0

3 years ago