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timofeeve [1]
3 years ago
13

Which expression is equivalent to 2 to the 2nd power times 2 divided by 2 to the 4th power

Mathematics
1 answer:
Ivan3 years ago
3 0

Answer:

The choice B.

{2}^{ - 1}

Step-by-step explanation:

{2}^{2}  \times  \frac{2}{ {2}^{4} }  =  \frac{2}{ {2}^{2} }  =  \frac{1}{2}  =  {2}^{ - 1}

I hope I helped you^_^

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Graph of y= 1÷2 cos x-1<br>​
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The distance AND midpoint between M (-2,5) and p (7,-3)
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3 years ago
Two pizza delivery drivers compared the mean numbers of deliveries they completed in one day.
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You are biking to the park. After six minutes 40% of the distance still need to be traveled. How long does it take to bike to th
nikklg [1K]

Answer:

y = (100-10x)\%

It takes <em>10 minutes</em> to the park.

Step-by-step explanation:

Given that:

Time taken = 6 minutes

Distance left to be traveled = 40%

To find:

The equation to represent the distance y, that still needs to be traveled after x minutes.

Solution:

As per given statement, distance traveled in 6 minutes = 60%

We can say that:

Distance traveled each minute = \frac{60\%}{6} = 10%

After 1 minute, distance traveled = 10%

Distance left = 100 - 10 = 90%

After 2 minutes, distance traveled = 20%

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After x minutes, distance traveled = 10x%

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Therefore, the equation is:

y = (100-10x)\%

Time taken by the bike to reach to the park can be found by putting y = 0 (i.e. distance left to be traveled = 0)

0 = 100 -10x\\\Rightarrow 10x = 100\\\Rightarrow x = \bold{10\ minutes}

8 0
3 years ago
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