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Doss [256]
3 years ago
7

A circular flower bed is 17m in diameter and has a circular sidewalk around it that is 2m wide. Find the area of the sidewalk in

square meters. Use 3.14 for (pie sign).
The area of the sidewalk is (insert answer) m(squared)
​(Round to the nearest whole number as​ needed.)

Mathematics
1 answer:
torisob [31]3 years ago
3 0

Answer:53.38 is the answer

Step-by-step explanation:

The radius is always half of the diameter so half of 17 is 8.5. 8.5x3.14 is 26.69. Then you add 26.69+26.69 to get the answer. (I’m not positive that this is correct)

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djverab [1.8K]

Answer:

reflection, rotation, and translation would be correct

Step-by-step explanation:

dilation/enlargement changes size

4 0
3 years ago
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the diameter of a parabolic mirror is 22 centimeters and the mirror has a depth of 0.5 centimeter at th center what is the equat
NeX [460]
I figured it out
warning: mildly incoherent math logic ahead


ok, so if you want a parabola facing right, then
first I'll solve for up down standard parabola then reflect across x=y line
so
y=ax²+bx+c

so let's say teh vertex is at the origin
that means when x=0, y=0
0=0
c=0
y=ax²+bx
ok, see diagram
we have some points, (0,0) and (11,0.5) and (-11,0.5)
use those oints to find a and b
0.5=121a+11b
0.5=121a-11b
add dem equations
1=242a
divide by 242
1/242=a
subsitute
0.5=121a+11b
0.5=121(1/242)+11b
0.5=0.5+11b
0=11b
0=b
oook

de equaiton is
y= \frac{1}{242} x^2
if we want it facing right
switch x and y
x= \frac{1}{242} y^2



the equation is y= \frac{1}{242} x^2 or f(x)= \frac{1}{242} x^2 or x= \frac{1}{242} y^2 or f(y)= \frac{1}{242} y^2
depends which way you want it and if you want f(x) or f(y) or x or y

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3 years ago
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frez [133]
16 is 4% of 64.
This need to be 20 characters long ;-;
7 0
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Ivan

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Step-by-step explanation:

1/2 = 2/4 + 3/4 = 5/4/ 1 1/4 + 2 = 3 1/4 + 7

8 0
3 years ago
Is it Giveaway time?<br><br><br> Why are you making me add more text :/
givi [52]
I hope it is giveaway time cause I need points
7 0
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