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icang [17]
3 years ago
14

Explain when you must write the number 1, and when you do not need to.

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

Answer:

The number 1 is not necessary when expressing powers of one. For example, you needn't write "5" as 5^{1}.

Step-by-step explanation:

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Please help with this
PSYCHO15rus [73]

Answer:

B. m \angle1 + m \angle3

D. 180\degree - m \angle6

Step-by-step explanation:

By exterior angle theorem:

m \angle4 = m \angle1 + m \angle3

m \angle4 = 180\degree - m \angle6

3 0
2 years ago
2. Peter, Jeff, and John, each perform subtraction incorrectly as follows:
grandymaker [24]

Answer:

peter: subtraction mistake at unit place . wrote 6 in place of 9

Jeff: subtraction mistake at tens place: wrote 4 while the correct digit is 3

peter: He has written 3 at unit place while correct digit is 2

John: he has carried 1 twice from 5 at hundred place and then subtracted 2 from it which gives value 1 at hundred place.

Step-by-step explanation:

we have to subtract 503 from 269

      9

  4 10 13

    503

   -269

    ____

     234

Solution

since 3 is less than 9 , we take a carry from 0 but 0 cannot be carries so we take 1 carry from 5\

thus

5 becomes 4, 0 becomes 10,

now 10 can be give  1 carry to 3 at unit place, so 3 becomes 13

now 9 is subtracted from 13

13-4 = 9

this is the mistake of Peter

he has written 6 at unit place which should be

peter: subtraction mistake at unit place . wrote 6 in place of 9

____________________________________________________

since , 1 is carried from 10 at tens place, 9 is left at tens place

so we know subtract 6 from 9 at tens place

9-6 = 3

Here mistake is done by Jeff

Jeff: subtraction mistake at tens place: wrote 4 while the correct digit is 3

________________________________________________

at hundred place,

one is taken from 5 , hence 4 is left at hundred place

we have to subtract 2 from 4

4-2 = 2

hence,

Here, mistake done by both both Peter and jeff

peter: He has written 3 at unit place while correct digit is 2

John: he has carried 1 twice from 5 at hundred place and then subtracted 2 from it which gives value 1 at hundred place.

4 0
3 years ago
What is 6/8 * 4/6?<br> Please answer this!!!
irina1246 [14]
6*4=24
8*6=48
24/48=4/8=1/2
I hope this helps;)
3 0
3 years ago
What is a mixed number equivalent to 3.750
Anastasy [175]
The answer to your question is 3 3/4.. i hope its right.
6 0
3 years ago
Awnser to 4(5x + 1)-8=38 + 6x
Bess [88]

Answer:

x=3

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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