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3 years ago

5 radians is the same as _____.

Mathematics

2 answers:

Charra [1.4K]3 years ago

8 0

Answer:

286.5 degrees

Step-by-step explanation:

We want to change radians to degrees

2 pi radians = 360 degrees

5 radians * 360/ 2 pi

900/pi degrees

286.4788976 degrees

286.5 degrees

Keith_Richards [23]3 years ago

6 0

Answer: 286.48 degrees

Step-by-step explanation: We are trying to find the number of degrees. The equation to convert radians to degrees radian x 180/π. Plug in 5 for x.

5 x 180/π = 286.48

5 radians is the same as 286.48 degrees.

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An auditorium has 20 rows with 10 seats in the first row, 12 in the second row, 14 in the third row, and so forth. How many seat

Nina [5.8K]

Answer: there are 580 seats

Step-by-step explanation:

The number of seats in each row is increasing in arithmetic progression.

The formula for determining the sum of n terms of an arithmetic sequence is expressed as

Sn = n/2[(2a + (n - 1)d]

Where

a represents the first term of the sequence.

d represents the common difference.

n represents the number of terms in the sequence.

From the information given,

a = 10 seats

d = 2 seats (the seats in each row are increasing by 2)

n = 20(number of rows)

We want to determine the number of seats in 20 rows. Therefore

S20 = 20/2[(2×10 + (20 - 1)2]

S20 = 10(20 + 38) = 10×58

S = 580

8 0

3 years ago

Read 2 more answers

Please help me answer this question.

EastWind [94]

Answer:

Use an ruler if you must listen to explanation.

Step-by-step explanation:

So this is actually very easy so it already tells you the Width= Feet is 80. But the Length = Feet is 6 greater any time you see something that says Number? Greater it means Multiply so multiply 6x80=480 so your length will be 480 Ok that's true But! The Width isn't answered your paper/screen Says, The perimeter of a rectangular outdoor patio is 80 ft. The length is 6 feet greater than the width what are the dimersions of the patio. Dimersion's what is it? The number.

So your confused?

Here are a list of things you can use,

A ruler

A protractor

Or A Tape Measuerer

Pardon if spelled wrong.

Anyway the perimeter is 80 ft. Here's what i would do i would use a ruler and see how long the width is then times that with 6 and you should get your answer i cannot use my ruler because picture is to small even when clicked this should help you.

Hope this helped!

8 0

3 years ago

A fair die is rolled in a board game to determine how many spaces a player can move on their turn. It has one of the numbers 1,2

Jet001 [13]

Answer:

(a)6 (b)3 (c)0.5

Step-by-step explanation:

Given a fair die with the numbers 1,2,3,4,5, or 6 on each of its faces.

Event A is the event of rolling an even number

Event B is the event of rolling an odd number.

(a)The sample space for the outcomes in this experiment is {1,2,3,4,5,6}

There are 6 outcomes in the sample space.

n(S)=6

(b)

Event A is the event of rolling an even number

Sample space of A = {2,4,6}

There are 3 outcomes in event A.

n(A)=3

(c)The probability of event A

$P(A)=\dfrac{n(A)}{n(S)} =\dfrac{3}{6} =0.5$

P(A) =0.5 is the probability that you choose an even number.

6 0

3 years ago

Please help!!!

svetlana [45]

Answer:

A.(-2,4) and (11,-7) ...

I hope I'm correct

3 0

3 years ago

1. A school gym has a width of 270 ft. Which of the following is equivalent to 270 ft?

yan [13]

Answer:

It should be 90

Step-by-step explanation:

Because 270 divided by 3 is 90

6 0

3 years ago