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madreJ [45]
3 years ago
14

Find the circumference of both circles. Use 3.14 for a 6 in. 9 in.

Mathematics
1 answer:
ANEK [815]3 years ago
5 0

Answer:18.84in. For the (6in) and28.26 for the (9in.)

Step-by-step explanation:

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AB is included between--------
nirvana33 [79]

Answer:

B) ∠A and ∠B

Step-by-step explanation:

AB is the line segment formed with endpoints at A and B.  This means it lies between the angle with vertex at A, ∠A, and the angle with vertex at B, ∠B.

5 0
3 years ago
Read 2 more answers
Help me with the 13 please
vodomira [7]

A

Step-by-step explanation:

I think if i am wrong i am dum

4 0
3 years ago
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Can someone please help me
Readme [11.4K]
Surface Area of the figure is 1208 square centimeters
a=20
b=13
c=12
d=5
e=8
Top face:
A1=a×e=20×8
ae=160
Bottom face:
A2(a+2d)×e=(20+2×5)×8=(20+10)×8=30×8
(a+2d)e=240
Front face:
Rectangle
a×c=20×12=240
Triangle:
12c×d=12×12×5=6×5=30
A3Rectangle +2 triangles
240+2×30=240+60=300
(a+d)c=300
Slant face:
A4=b×e=13×8=104
be=104
Total surface area
A=A1+A2+2(A3+A4)
A1=160
A2=240
A3=300
A4=104
Thus,
A=160+240+2(300+104)
A=400+2(404)
A=400+808=1208
Surface Area of the figure is 1208 square centimeters


8 0
2 years ago
Engineers want to design brakes that will reduce stopping distances by 10%. How would this change the equation relating speed s,
AlekseyPX
For the answer to the question above,  we will use this formula to solve this problem
<span>d = kv^2 </span>

<span>plugging in, </span>
<span>4.2 = k*10^2 </span>
<span>k = 0.042 </span>

<span>d = 0.042v^2 </span>

<span>the revoised equation will be </span>
<span>d = 0.9*0.042v^2 , i.e. </span>

<span>d = 0.0378v^2 

I hope my answer helped you</span>
8 0
3 years ago
If the two lines below are perpendicular and the slope of the red line is -5/2, what is the slope of the green line
inna [77]
-2
----
5

Because perpendicular is the opposite and the opposite of -5/2 is -2/5
5 0
3 years ago
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