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nalin [4]
3 years ago
13

For a circle with a diameter

Mathematics
1 answer:
meriva3 years ago
6 0

Answer:

The measurement of the angle subtended by an arc with a length of 5/2 pi meters is 149.542°

Step-by-step explanation:

Here, the diameter of the circle = 6 m

Diameter = 2 x RADIUS

So, radius  = D / 2  = 6 / 2  = 3 m

Also, the length of the arc = ( \frac{5}{2}  \pi) meters

Putting π  = 3.14, we get  

The length S of the arc = \frac{5}{2}  \times (3.14)  =  7.85  

or, S  = 7.85 m

Let us assume the arc subtends angle Ф at the center of the circle.

⇒  S  = r Ф

or, Ф = \frac{S}{r}   = \frac{7.85}{3}  =  2.61

⇒Ф  = 2.61 radians

Now, 1 Radian  = 57.2958 Degrees

⇒ 2. 62 Radian  = 2.61  x  ( 57.2958 Degrees)  =  149.542 °

or, Ф    =  149.542°

Hence, the measurement of the angle subtended by an arc with a length of 5/2 pi meters is 149.542°

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GarryVolchara [31]

Answer:

Step-by-step explanation:

y = \frac{1}{5}x + 2

Find two points

When x = 0 ,  y = 0 + 2 = 2

D(0 , 2)

When x = 5;

    y=\frac{1}{5}*5+2= 1 + 2 = 3

E(5, 3)

Plot (0, 2 ) and (5 , 3) in the graph and join the points. This will be the line for the equation y =(1/5)x + 2

y = -x + 8

When x =4 ,  y = -4 + 8 = 4

A(4 , 4)

When x = 6 ;   y = -6 + 8 = 2

B(6 , 2)

Plot (4,4) and (6, 2) in the graph and join the points. This will be the line for the equation y = - x + 8.

This lines will intersect at  point (5,3) and  that point will be the solution of the equation.

8 0
3 years ago
After 5 throws in a game of darts, Brent's mean score was 32. Calculate his total score.
ehidna [41]

1.To know this answer, we need to know some vocabulary that's used in t. Most people don't know how to solve questions if they have hard Vocabulary and what the question is Asking

Mean=The average of all his throws

It's asking us to calculate his total score  

2. Find Clues to help you solve word problems

Finding clues in Word Problems is a very important part a lot of people skip but this helps you solve the question easier

5 throws and Mean Score is 32 are the clues

3. Guess and check

The method to this thingy is called guess and check. There is another method which is slightly harder and i just don't want to do it.

Let's just say his scores were... 5, 6, 4, 5,10Add them up and you get 30Then 30/5

Let's try bigger numbers

20+25+20+20

If you like this method, you may try it another method is called work Backwards

5x32=160

Then divide 160 by 5 to double check and you get 32!!

========================================

Therefore, the answer s 160 as his total score

hope this gives you a clue to what we are doing and when you have a question like this, I really hope you understand the concept

Hope this helped (:

5 0
3 years ago
Can someone help me on number 4??
Anika [276]
37.5% = 3/8 as a fraction.
So 180 x 8/3 would get you your answer.
Solution: 480
6 0
4 years ago
How do u do this or explain whats going on in the problem​
agasfer [191]

Answer:

its just the congruency rules .

you had to explain them using the rules

Step-by-step explanation:

6 0
3 years ago
if the points are (8, 4) and (0, 2) is y - 4 = 1/4(x a 8) what is the slope intercept form of the equation for this line
yanalaym [24]

Answer:

Step-by-step explanation:

Didn't you mean   y - 4 = 1/4(x - 8)?

Solve this for y to obtain the slope-intercept form.

Adding 4 to both sides, we get:

y = 1/4(x - 8) + 4, or:

y = (1/4)x - 2 + 4, or

y = (1/4)x + 2.  This is the slope intercept form.

5 0
4 years ago
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