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Andrew [12]
4 years ago
8

What is the quote that of 2^4/2^-4

Mathematics
1 answer:
Margaret [11]4 years ago
3 0

Answer:

2^8

Step-by-step explanation:

To find the quotient of:

\frac{2^4}{2^{-4}}

Solution:

We will apply quotient rule of exponents to find the quotient of the given expression.

By Quotient rule: \frac{a^x}{a^y}=a^{(x-y)}

Thus the quotient for the expression can be given as:

\frac{2^4}{2^{-4}}

⇒ 2^{(4-(-4))}

⇒ 2^{(4+4)}

⇒ 2^8 (Answer)

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On the first part of her trip Natalie rode her bike 16 miles and on the second part of the trip she rode her bike 42 miles. Her
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Answer:

14 mph   ( average speed during the second part of the trip )

Step-by-step explanation:

Let´s call  "x"  the average speed during the first part then

t = 5 hours

t  =  t₁  +  t₂        t₁   and  t₂   times during part 1 and 2 respectively

l = t*v           (  distance is speed by time )      t =  l/v

First part

t₁  = 16/x        and      t₂  = 42 / ( x + 6)

Then

t =   5   =  16/x   +   42 /(x + 6)

5 = [ 16 * ( x  +  6 ) +  42 * x ] / x* ( x + 6 )

5 *x * ( x + 6 )  =  16*x  + 96 +  42 x

5*x² + 30*x  - 58*x - 96  =  0

5*x²  -  28*x  -  96  =  0

We obtained a second degree equation, we will solve for x and dismiss any negative root since negative time has not sense

x₁,₂  =   [28 ± √ (28)² + 1920  ] / 10

x₁,₂  = ( 28  ± √2704 )/ 10

x₁  = 28  -  52 /10        we dismiss that root

x₂  = 80/10

x₂  =  8 mph       average speed during the first part, and the average speed in the second part was 6 more miles than in the firsst part. then the average spedd dring the scond part was 8 + 6 = 14 mph

6 0
4 years ago
Find the value of x<br> Pls look at the photo to answer
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Answer:

B

Step-by-step explanation:

so 8(2)=16=5x-4

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x=4

so B

8 0
3 years ago
(8x-4)+(17x-23)+(3x+17)=180
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Answer:

b

Step-by-step explanation:

b

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3 years ago
Avery has 125 animal stickers. She gave 5 animal stickers to each of her 10 friends. HoW many animal stickers she have left? Wha
Angelina_Jolie [31]

Answer:

75

Step-by-step explanation:

125-(5*10)        

125-(50)

75

3 0
3 years ago
Complete the statement<br> 66.4mg = g<br> 66,400<br><br> 6.64<br><br> 0.0664<br><br> 6,640
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Answer:

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1 mg = 0.001 g

5 0
3 years ago
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