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Anni [7]
3 years ago
15

3/7 + 1/7? Answers are 1/7 3/7 4/7 5/7

Mathematics
2 answers:
spin [16.1K]3 years ago
5 0

Answer:4/7

Step-by-step explanation:3+1=4 and since both have the same number 7 it stays the same

Anna11 [10]3 years ago
4 0

Answer:

4/7

Step-by-step explanation:

if you add the 3 and the 1 it makes 4, since the denominators are the same you don't add them you keep them the same

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PLZ HELP TROLL ANSWERS GET REPORTED MAKE IT UNDERSTANDABLE Match each expression to its value.
lbvjy [14]

Answer:

  1. 7-5 => 2
  2. -7+5 => -2
  3. -7-5 => -12
  4. 7-(-5) => 12

Step-by-step explanation:

Lets solve the expressions one by one

<u>1. 7-5</u>

we can see that it is simple subtraction. A smaller number is being subtracted from a large number.

So the answer is 2

<u>2. -7+5</u>

There are two numbers with different signs. When there is a number with plus and a number with minus both quantities are subtracted but the larger quantity determines the sign of the answer.

In this case, 7 is larger and has negative sign, the answer will be -2

<u>3. -7-5</u>

When there are two numbers with minus sign they are added but the answer has the minus sign with it.

So the answer will be: -12

<u>4. 7-(-5)</u>

When minus is multiplied with minus it converts to positive

So

= 7-(-5) = 7+5 = 12

Hence,

  1. 7-5 => 2
  2. -7+5 => -2
  3. -7-5 => -12
  4. 7-(-5) => 12
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