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erma4kov [3.2K]
4 years ago
15

Whoever is good at math, please help me!

Mathematics
1 answer:
Kruka [31]4 years ago
4 0

Answer:

I think it is 62.4 km.

Step-by-step explanation:

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What is the length of AB?
makkiz [27]
The radius of the circle is given to be r = 14.5

Let the center be O. So OB is the radius = 14.5

We can draw a triangle as shown in the image below. We have a right angled triangle. We know the hypotenuse and the base, we need to find the perpendicular side. This can be done using the Pythagorean theorem.

So, we can write:

(14.5)^{2}=10^{2}+OA^{2} \\  \\ 
OA^{2}=110.25 \\  \\ 
OA=10.5

Thus, the measure of OA = 10.5

OB = OA + AB

14.5 = 10.5 + AB
⇒
AB = 4
3 0
3 years ago
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Which graph shows the solution to the system of linear inequalities? Y< 1/3x-1 y<1/3-3
nadezda [96]
I think the best answer would probably be 1
3 0
3 years ago
Could someone help me out?
lapo4ka [179]

Answer:

15

Step-by-step explanation:

8 0
3 years ago
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Cab companies often charge a flat fee for picking someone up and then charge an additional fee per mile driven. Pick a U.S. city
insens350 [35]

Answer:

<u>1. New York City:</u> The initial charge is $ 2.50 plus $ 0.50 per 1/5 mile when traveling above 12 mph or per 60 seconds in slow traffic or when the vehicle is stopped. There are other surcharges for overnight, rush hour or congestion.

<u>2. Boston:</u> First 1/7 Mile: $2.60  and each 1/7 Mile thereafter: $0.40.

<u>3. Houston:</u> First 1/11 mile  $2.80 , each additional 1/11 mile  $0.20 . Rate per mile after first mile  $2.20 and wait time per minute  $0.40.

Step-by-step explanation:

Normally, there's a standard fare for each city, so for answering the question we picked three well-known cities for comparing the fares.

<u>1. New York City:</u> The initial charge is $ 2.50 plus $ 0.50 per 1/5 mile when traveling above 12 mph or per 60 seconds in slow traffic or when the vehicle is stopped. There are other surcharges for overnight, rush hour or congestion.

<u>2. Boston:</u> First 1/7 Mile: $2.60  and each 1/7 Mile thereafter: $0.40.

<u>3. Houston:</u> First 1/11 mile  $2.80 , each additional 1/11 mile  $0.20 . Rate per mile after first mile  $2.20 and wait time per minute  $0.40.

4 0
4 years ago
How can you use similar triangles to describe why the pantograph works as it does?
Vikki [24]
 It's basically 2 similar triangles. Depending on where you put the pin, you are setting the ratio of similitude.
5 0
3 years ago
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