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bonufazy [111]
3 years ago
10

Simplify remove all the perfect squares from inside the square root 28

Mathematics
1 answer:
expeople1 [14]3 years ago
4 0

Answer:

2\sqrt{7}

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What is the sum of all of the four-digit positive integers that can be written with the digits 1, 2, 3 and 4 if each digit must
wel

Answer with explanation:

Number of four digit numbers using four distinct digit

         =Unit placed can be filled in four ways * Tens place can be filled in Three ways * Hundreds place can be filled in 2 ways * Thousand Place can be filled in a single way

=4*3*2*1

=24 distinct numbers

Sum of all four , four digits numbers using 1,2,3,4

          = (If we keep 4 at unit place +Keeping 3 at unit place +Keeping 2 at unit place+Keeping 1 at unit place)×6+At tens place (2*2+3*2+1*2+4*2+2*2+1*2+1*2+3*2+4*2+2*2+3*2+4*2)+At hundred's place (2*2+3*2+1*2+4*2+2*2+1*2+1*2+3*2+4*2+2*2+3*2+4*2)+At thousand's Place(2*2+3*2+1*2+4*2+2*2+1*2+1*2+3*2+4*2+2*2+3*2+4*2)

=(24+18+12+6)Unit place+(60)Ten's place +(60)Hundred's place+(60)Thousand's Place

=66660

7 0
3 years ago
Does anybody know how to do this??
boyakko [2]

just divide 200 until u get 25 i think but idk the second one

3 0
3 years ago
find the volume of the following comes with the given dimensions. round your answer to the nearest hundredth. diameter=4ft heigh
Masja [62]

Answer:

4

Step-by-step explanation:

5 0
3 years ago
a train is traveling from New Orleans to Memphis at a speed of 79 mph. New Orleans and Tennessee are 397.1 miles apart. How long
GrogVix [38]
<span>The train will need 5 hours to reach Tennessee</span>
7 0
3 years ago
What is 20 time 4 equal?
IRISSAK [1]
20 multiplied (times) 4 is equal to 80 c:
3 0
3 years ago
Read 2 more answers
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