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Alex777 [14]
3 years ago
11

Which of the following best represents the average speed of a fast runner? (1 point) 10 meters per second 10 miles per minute 10

centimeters per hour 10 kilometers per second
Mathematics
2 answers:
malfutka [58]3 years ago
4 0
10 meters per second best<span> represents the average speed of a fast runner </span>
faust18 [17]3 years ago
3 0

Answer:

<u>10 meters per second</u>

Step-by-step explanation:

Great question, it is always good to ask away and get rid of any doubts that you may be having.

The best representation would be <em><u>10 meters per second</u></em>. Usain Bolt, The fastest person person alive runs at approximately 12.5 meters per second.

10 miles per minute would be insanely fast. That is equivalent to 600 miles per hour, no human can run at that speed. Cars do not even reach that speed. Same goes for 10 kilometers per second.

10 centimeters per hour is incredibly slow. Although 470 times faster than a snail it is incredibly slow for a human.

I hope this answered your question. If you have any more questions feel free to ask away at Brainly.

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12 times the number of feet
weqwewe [10]

Answer:

12 feet

Step-by-step explanation:

7 0
2 years ago
Find the value of x
Novay_Z [31]

Answer:

<em>x=3</em>

Step-by-step explanation:

<u>Angles and Lines</u>

We must recall:

  • The sum of the internal angles of a triangle is 180°
  • Two linear angles add up to 180°

The image shows a triangle and the extension of its base to form two linear angles.

Note from the triangle, angle R is what it takes to get to 180°:

m\angle R=180-25x-(57+x)

From the line SQ, angle R what it takes to get to 180°. Thus:

m\angle R=180-45x

Equating:

180-25x-(57+x)=180-45x

Subtracting 180 and simplifying:

-25x-57-x=-45x

19x=57

Dividing by 19:

x=3

4 0
2 years ago
Find f(4) when f(x)=4x^2 - 2 x - 4
prisoha [69]

Answer:

52

Step-by-step explanation:

f(x)=4x^2-2x-4

f(4)=4(4)^2-2(4)-4 (I replaced x with (4) since we are to find f(4).)

f(4)=4(16)-2(4)-4    (By the order of operations, we take care of the exponents before whatever else we have here.)

f(4)=64-8-4           (By the order of operations, we take care of the multiplication as we see if left to right.)

f(4)=56-4              (By the order of operations, we perform addition/subtraction as we see it left to right.)

f(4)=52                 (This completes the simplification.)

We could have also put this in our calculator as:

4(4)^2 -  2(4)  -  4

This would have returned 52.

8 0
3 years ago
At the start of 2014, tim house was worth £100,000 the value of the house increases by 10%per every year work out the value of h
kotykmax [81]

Answer:

$146410

Step-by-step explanation:

The formula for calculating future value:

FV = P (1 + r)^n

FV = Future value  

P = Present value  

R = interest rate  

N = number of years

100,000 x (1.1)^4 = $146410

4 0
2 years ago
[5 - 3(8/4)] + (5^5/10^2)+(20-6.25)
Step2247 [10]

Answer:

44

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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