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spin [16.1K]
3 years ago
13

True or False The radian measure of of an angle is defined as the length of the corresponding arc on the unit circle .

Mathematics
1 answer:
Zarrin [17]3 years ago
4 0

Answer:

Falsz

Step-by-step explanation:

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( THE SUM OF THE MEASURES OF THE ANGLES BELOW IS 180* ) I will give brainlst for whoever gets this right and fills it out
Rufina [12.5K]

Answer:

2x-10+x+x+10=180, or 4x=180

Step-by-step explanation:

So since the total is 180, you add them all up like an equation.

So,

2x-10+x+x+10

Combine like terms

4x=180

x=45

Then plug it back in to the equations.

x=45

(2x-10)=80

(x+10)=55

5 0
3 years ago
The data show the ages of 13 people attending a dinner party. 37, 42, 44, 46, 47, 49, 51, 53, 54, 55, 57, 61, 63 a. Find the min
NemiM [27]

Answer: Median: 50, Minimum Value: 37, Maxium Value: 63, First Quartile: 44, Third Quartile: 57  

Step-by-step explanation:

To find the median we have to line up the number from least to greatest. Since the number is even we have two numbers.

(37, 42, 44, 46, 47, )(49, 51,)(54, 55, 57, 61, 63)

            |                          |                        |

  1st  Quartile        2nd Quartile     3rd Quratile

49 + 51 = 100 ÷ 2 = 50

Median = 50

The minimum value is the least number, therefore 37

The maxium number is the greatest number, therefore 63

The first quartile is the middle number in the first quartile, therefore 44

The third quartile is the middle number in the third quartile, therefore 57

I hope this helps!

6 0
2 years ago
On a test, the marks for ten students are: 2 students, 85%; 4 students, 78%; 3
anzhelika [568]

Answer:

77.2%

Step-by-step explanation:

The average formula is:

Average = \frac{Sum/of/all/numbers}{How/many/numbers/there/are}

Let's first find the sum of all the numbers (remember sum means to add):

(2)(85) + (4)(78) + (3)(66) + 92 = ?

170 + 312 + 198 + 92 = 772

There are marks for 10 students so that is what goes at the bottom (10 students, 10 test scores)

Plug both things into the equation:

Average = \frac{772}{10} \\= 77.2

Therefore, the average mark on the test was 77.2%

<em>Hope this helps!!</em>

<em>- Kay :)</em>

6 0
3 years ago
A rope is 3a +6 m long and is attached to another rope of length 2a-7 m find the total length​
allochka39001 [22]

Answer:

= 5a - 1

Step-by-step explanation:

rope 1 = 3a + 6

rope 2 = 2a - 7

total length = 3a + 6 + 2a - 7

                   = 3a +2a + 6 - 7

                   = 5a - 1

7 0
3 years ago
-4/9 (27-18)? i need some clarification and help on this question please
Lena [83]

Answer:

-4

Step-by-step explanation:

-4/9 (27-18) =

Do the parentheses first.

= -4/9 (9)

= -36/9

= -4

8 0
3 years ago
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