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goldfiish [28.3K]
3 years ago
7

HELPPPPP!!!!! PLSSSS!!! 10 POINTS!

Mathematics
2 answers:
Serga [27]3 years ago
6 0

Answer:

divide 81 by pi and then by 2

Step-by-step explanation:

Mandarinka [93]3 years ago
6 0

Answer:

C= 2pi x R

81= 6.28 x r

81 % 6.28 = r

r =12.89

Step-by-step explanation:

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Garrett can complete four laps around the track in 7 minutes and 45 seconds. How many FULL LAPS can he complete in 1 hour?
tiny-mole [99]

Answer: N/A

Step-by-step explanation:

this answer is not physically possible cause the human body is not capable of going that fast continually for an hour. If you are in athletics and run everyday you would understand. i mean come on don't believe me? your try.

4 0
2 years ago
This my test question I'm 100 bad at math 2b2+16b+49÷2b+4
krek1111 [17]
2b^2 + 81/2 b + 4 


basically 2b^2 + 16b + 49/2 b + 4 
= (2b^2) + 16b+49/2b) + (4) 
= 2b^2 + 81/2 b + 4 
5 0
3 years ago
he closing price of a share of stock in Company XYZ is $25.69 on Thursday. If the change from the closing price on Wednesday is
mamaluj [8]

Answer:

Option C - $26.44

Step-by-step explanation:

To find the closing proce on Wednesday

Company XYZ is $ 25.69 on Thursday

Company XYZ is - $0.75 on Wednesday

This means the calculation should be as following,

25.69 + 0.75 = 26.44$ the closing price for Wednesday

6 0
3 years ago
The points A(3, 4), B(3, -2), C(-5, -2), and D(-5, 4) form rectangle ABCD. Which point is halfway between A and B?
Dmitriy789 [7]
 Answer:  " (3,1)  is the point that is halfway between <em>A</em> and <em>B</em>. " 
__________________________________________________
Explanation:
__________________________________________________
We know that there is a "straight line segment" along the y-axis between
 "point A"  and "point B" ;  since, we are given that: 
___________________________________________
 1)  Points A, B, C, and D form a rectangle;  AND:
 
 2) We are given the coordinates for each of the 4 (FOUR points); AND:
 
 3) The coordinates of  "Point A" (3,4)  and "Point B" (3, -2) ; have the same "x-coordinate" value.
________________________________________________
  We are asked to find the point that is "half-way" between A and B.
________________________________________________
  We know that the x-coordinate of this "half-way" point is three.

We can look at the "y-coordinates" of BOTH "Point A" and "Point B".
___________________________
which are "4" and "-2",  respectively.

Now, let us determine the MAGNITUDE of the number of points along the "y-axis" between "y = 4" and y = -2 . 

The answer is:  "6" ;  since, from y = -2 to 0 , there are 2 points, or 2 "units" from y = -2 to y = 0 ;  then, from y = 0 to y = 4, there are 4 points, or 4 "units".

Adding these together,  2 + 4 = 6 units.
______________________________________________
So, the "half-way" point would be 1/2  of  6 units, or 3 units.
__________________________________________________
So, from y = -2 to y = 4 ;  we could count 3 units between these points, along the "y-axis".   Note, we could count "2" units from  "y = -2"  to "y = 0". 
Then we could count one more unit, for a total of 3 units;  from y = 0 to y = 1;  and that would be the answer (y-coordinate of the point).
______________________________________________
Alternately, or to check this answer, we could determine the "halfway" point along the "y-axis" from "y = 4" to "y = -2" ; by counting 3 units along the "y-axis" ; starting starting with "y = 4" ; note:  4 - 3 = 1 ; which is the "y-coordinate" of our answer; that is: "y = 1" ;  and the same y-coordinate we have from the previous (aforementioned) method above.
______________________________________________
We know the "x-coordinate" is "3" ; so the answer:
_________________________________________________
   " (3,1)  is the point that is halfway between <em>A</em> and<em> B </em>." 
__________________________________________________


8 0
3 years ago
Simplify. (12c + 3d + 2) + (4c + 8d + 9)
Dovator [93]
16c+11d+11 
:-) good luck 
6 0
3 years ago
Read 2 more answers
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