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Naya [18.7K]
3 years ago
15

21 = 1/4 Ayo can some1 solve this for me thanks lol mwa

Mathematics
1 answer:
Bumek [7]3 years ago
7 0

Answer: 84

Step-by-step explanation:

21 is 1/4 of ? The ? Is 4x21

Therefore, 21x4=84

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What num com between 4 and 6?
damaskus [11]

Answer:

5

Step-by-step explanation:

1,2,3,4,5,6

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3 years ago
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two times a number is subtracted from 25 the result is the same as when it is added to six times.find the number​
ExtremeBDS [4]

Answer:

6.3

Step-by-step explanation:

1. 25 - 2n = n + 6

2. 25 = 3n + 6

3. 3n = 19

4. n = 6.3

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The average temperature in the North Pole in the summer is 32 degrees F. The average temperature in the North Pole in the winter
wlad13 [49]

Answer:

he counted from 32 to 40 , and not to -40

Step-by-step explanation:

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3 years ago
Set up and evaluate the optimization problems. (Enter your answers as comma-separated lists.) Find two positive integers such th
alexira [117]

Answer and Step-by-step explanation:

Let x and y be two positive integers and their sum is 14:

X + y = 14

And the sum of square of this number is:

f = x2 + y2

 = x2+ (14 – x)2

Differentiate with respect to x, we get:

F’(x) = [ x2 + (14 – x)2]’ = 0

        2x + 2(14-x)(-1) = 0

        2x +( 28 – 2x)(-1) = 0

     2x – 28 +2x = 0

        2x + 2x = 28

         4x = 28

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Hence, y = 14 – x = 14 -7 = 7

Now taking second derivative test:

F”(x) > 0

For x = y = 7,f reaches its maximum value:

(7)2 + (7)2 = 49 + 49

                   = 98

F at endpoints x Є [ 0, 14]

F(0) = 02 + (14 – 0)2

       =  196

F(14) = (14)2 + (14 – 14)2

  = 196

Hence the sum of squares of these numbers is minimum when x = y = 7

And maximum when numbers are 0 and 14.

6 0
3 years ago
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natima [27]

Answer:

divide by -9 and you get -3/9x-9 simplify -3/9 to -1/3

Step-by-step explanation:

-1/3x is your slope

4 0
1 year ago
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