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Sliva [168]
2 years ago
13

I’ll mark u as brainlist if u get this right!!

Mathematics
2 answers:
WITCHER [35]2 years ago
6 0

Answer:

A

Step-by-step explanation:

When X is less than -1, positive parabola.  

jonny [76]2 years ago
3 0
I agree, (just to give a second opinion) It is A
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It takes ten identical pieces to form a circular track for a pair of toy racing cars. If the inside arc of each piece is 3.4 inc
dsp73
 <span>Length of outer track = sum of length of 10 pieces = circumference of the outer circle 


if R is the Radius of outer circle then... 

Circumference of the outer track = 2pi*R 


Similarly the circumference of the inner track (with radius r) = 2pi*r 


length of each outer piece is 3.4 inch more than length of inner piece 

So total outer length is 10*3.4 =34 inches more than the inner length. 


=> Outer Circumference - Inner Circumference = 34 inches 

=> 2pi*R - 2pi*r = 34 

=> 2pi(R -r) = 34 

=> R-r = 34/2pi = 5.41 inches 

=> R-r = Width of the track = 5.41 inches</span>
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3 years ago
0.4 greater or less than 0.41
marshall27 [118]

0.4  is exactly  0.01  less than  0.41 .
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lyudmila [28]

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Step-by-step explanation:

6 0
2 years ago
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Fran started practicing her clarinet at 3:30 pm and finished at 5:45 pm. how long did she practice?
yulyashka [42]

Answer:

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There are 720 dishes that need to be rinsed. Josh can rinse them in 72 minutes by himself. It will take his friend Felipe 144 mi
creativ13 [48]

Answer:

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Step-by-step explanation:

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