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IRINA_888 [86]
3 years ago
8

Find the least number which must be added to 12864 to make it a perfect square​

Mathematics
1 answer:
IgorC [24]3 years ago
5 0
Find the first perfect square that is larger than 12864. We can do this by taking the square root of 12864 finding the ceiling of that result and squaring it

which is

12996

Now find the difference between the next largest perfect square and the original number:

12996-12864

132

So 132 is the integer that needs to be added to 12864 to make it a perfect square.

Check:

Take the square root of 12864+132:

%:12864+132

114

So it’s a perfect square.
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6 0
3 years ago
The product of two rational numbers is 9⁄7 and one of them is 15⁄14. Then the other rational number is​
Rasek [7]

Answer:

The other rational number in the operation given is:

  • <u>6/5</u>

Step-by-step explanation:

To obtain the number in the operation given, we're gonna represent the operation:

  • r * 15/14 = 9/7

Where:

  • r = the other rational number.

Now we are going to solve r to identify its value in numbers:

  • r * 15/14 = 9/7
  • r = \frac{\frac{9}{7} }{\frac{15}{14}} (We pass a number that is multiplying to the left of the equal, to divide to the right of the equal symbol)
  • r = \frac{6}{5}

As you can see, when we operate, <u>the result is 6/5</u>, and we can prove this multiplying as we had in the original equation, replacing r by 6/5:

  • r * 15/14 = 9/7
  • 6/5 * 15/14 = 9/7
  • 9/7 = 9/7

In this form, we know the result is correct.

8 0
3 years ago
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Answer:

3840

Step-by-step explanation:

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Answer: 114.8

Step-by-step explanation: first multiply 76 times 3.28 (249.28) then multiply 11 by 3.28 (364.08) and subtract to get your awnser

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John ate 40% of the candies in a bag. If John ate 20 candies , how many candies were total in the bag ?
mina [271]

Answer:50

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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