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aleksklad [387]
3 years ago
13

Eli rode his dirtbike around a 400 meter track at a constant speed of 1000 meters per minute how many minutes does it take Eli t

o complete 1 lap of the 400 meter track ​
Mathematics
2 answers:
Ivan3 years ago
6 0

Answer:

It will take Eli 2.4 minutes to complete 6 laps

Step-by-step explanation:

Given

Speed = s = 1000 meters per minute

Length of one lap = 400 meters

We have to compute time for 6 laps,, so we have to find the length of 6 laps combined

So our total distance will be: 2400 meters

using the formula for speed

So

It will take Eli 2.4 minutes to complete 6 laps

Keywords: Speed, distance

Bezzdna [24]3 years ago
6 0
Eli has to run for 2.25 minutes at this pace to win the bet
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Bingel [31]
The answer would be 9 because 9x2 is 18 and 9x5 is 45.
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3 years ago
Simplify radicals problems attached please help!
Finger [1]

Answer:

  G7.  (2√3)/3

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Step-by-step explanation:

G7.

\dfrac{2}{\sqrt{3}}=\dfrac{2}{\sqrt{3}}\cdot\dfrac{\sqrt{3}}{\sqrt{3}}=\dfrac{2\sqrt{3}}{3}

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G8.

\dfrac{3}{2 +\sqrt{7}}=\dfrac{3}{2+\sqrt{7}}\cdot\dfrac{2-\sqrt{7}}{2-\sqrt{7}}=\dfrac{6-3\sqrt{7}}{2^2-(\sqrt{7})^2}\\\\=\dfrac{6-3\sqrt{7}}{-3}=\sqrt{7}-2

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G9.

\dfrac{2-\sqrt{3}}{3-\sqrt{2}}=\dfrac{2-\sqrt{3}}{3-\sqrt{2}}\cdot\dfrac{3+\sqrt{2}}{3+\sqrt{2}}=\dfrac{(2-\sqrt{3})(3+\sqrt{2})}{9-2}\\\\=\dfrac{6+2\sqrt{2}-3\sqrt{3}-\sqrt{6}}{7}

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<em>Comment on the problems</em>

In most cases, these expressions are the simplest possible (take the least amount of ink to draw, and take the fewest math operations to evaluate). What seems to be intended is that the denominator be made a rational number. This is done by multiplying the given fraction by a fraction equal to 1 that has the same denominator but with the sign of the radical reversed (unless, as in the first case, the radical is by itself).

The purpose of doing this is to take advantage of the fact that (a-b)(a+b) = a²-b², so if "a" or "b" is a square root, that root will not be seen in the product. In problem G9, we see this can make the numerator quite messy--not exactly a simpler form--but all the irrational numbers are in the numerator.

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3 years ago
Whats is 13.03 + 42+23
11Alexandr11 [23.1K]

Answer:

Step-by-step explanation:

78.03

5 0
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Answer:

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b=9

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find the domain and range of the relation (-3,3),(-3,2),(-3,1)(-3,0).Then determine whether the relation is a function
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