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Natali5045456 [20]
4 years ago
12

How do you do this question help PPPPPLLLLLZZZZZ

Mathematics
1 answer:
My name is Ann [436]4 years ago
5 0
It is just 4 x 4 for each and everyside
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Please help, very urgent!
STALIN [3.7K]

Answer:

0.36

Step-by-step explanation:

Given, a circle with radius, r=4 \ cm

Area of circle =\pi r^2

Substitute r=4

Area of whole circle=\pi r^2\\=\pi\times 4^2\\=16\pi \\=50.2654\ cm^2

Square is inscribed in it whose each side is 4\sqrt{2}\ cm

Area of square =side^2\\=(4\sqrt{2} )^2\\=16\times 2\\=32 \ cm^2

We can see that area of the white circle

= area of the whole circle - area of square

=50.2654-32\\=18.2654 \ cm^2

Probability of falling a random point within the white circle

=\frac{area\ of\ white\ circle}{area\ of\ whole\ circle}

=\frac{18.2654}{50.2654} \\=0.3633

Rounding to nearest hundredth.

Probability of falling a random point within the white circle would be 0.36

5 0
4 years ago
Ms. Wang wants to make equal groups of iPads and computers without mixing iPads and computers. She has 36 iPad and 40 computers,
timurjin [86]

Answer:

6

Step-by-step explanation:

6 is the highest factor that will go into both 36 & 40. Leaving 6 groups of 6 for both ipads and laptops.

8 0
2 years ago
What are the coordinates of the center of the circle whose equation is x^2+y^2-16x+6y+53=0?
makkiz [27]
Hello :
<span>note : 
 an equation of the circle Center at the w(a,b) and ridus : r is :
(x-a)² +(y-b)² = r²  
in this exercice : </span><span>x²+y²-16x+6y+53=0
(</span>x²-16x) +( y²+6y ) +53 = 0
(x² -2(8)x +8² -  8²) +(y² +2(3)x -3²+3² ) +53=0
(x² -2(8)x +8²) -  8² +(y² +2(3)x +3²)-3²  +53=0
(x-8)² +( y+3)² = 20 

the center is :  w(8,-3) and ridus : r  = <span>√20</span>
8 0
3 years ago
Any help? Also please explain how you got the answer
LiRa [457]

Answer:

C (i think i did it correctly)

Step-by-step explanation:

9 times 12 is 108 -> 108 - 60 = 1 hour and 48 minutes -> 48 plus 4 = 7:52am

8 0
3 years ago
51
Fiesta28 [93]

Answer:

let inverse f(x) be m:

m =  \frac{1}{2x  + 1}  \\ 2x + 1 =  \frac{1}{m}  \\ 2x =  \frac{1 - m}{m}  \\ x =  \frac{1 - m}{2m}

substitute x in place of m:

{ \bf{ {f}^{ - 1}(x) =  \frac{1 - x}{2x }  }}

3 0
3 years ago
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