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Vinil7 [7]
3 years ago
10

What is the step by step answer of 3 + 1 1/4=

Mathematics
2 answers:
ivann1987 [24]3 years ago
6 0
Ok so first u would add 3+1 which gives u 4 and then add 1/4 which should give u 4 1/4
nydimaria [60]3 years ago
5 0
First, let's make 1 1/4 into a improper fraction. So 1 whole is 4/4 and then add the 1/4. So 4/4+1/4 is 5/4. Now let's make 3 into the same common denominator. So 3=3/1. Now let's use the identity property to multiply it by 4, since we want the common denominator to be 4. 3/1 x 4/4 is 12/4. Now we can finally add. When we add, we only add the numerators. So 12/4+5/4 is 17/4. The fraction symbol is another way saying division. So 17 divided by 4 is 4 r 1. We make the remainder into a fraction and use 4 as a whole number. So our answer is 4 1/4.

Real answer: 4 1/4

Hope I helped.
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Given: 2x + 11 = 15 Prove: x = 2 Statements Reason 1. 2x + 11 = 15 1. Given 2. 2x = 4 2. 3. X = 2 3. Division Property of Equali
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Answer:

Statements                       Reasons

1. 2x + 11 = 15                    1. Given

2. 2x = 4                            2. Subtraction Property of Equality

3. X = 2                              3. Division Property of Equality

Step-by-step explanation:

An equation can be solved and its solution proven using algebraic theorems and properties. To create a proof, form two columns. Label one side Statements and the other Reasons.

Begin your proof listing the any information given to you. List as the reason - Given.

Then list the next step which here would be to subtract by 11 on both side. The reason is Subtraction Property of Equality. Subtraction is the inverse of addition. Inverse axiom is another acceptable reason.

Then divide both sides by 2. The reason is Division Property of Equality or Inverse axiom once again. See the proof below.

Statements                       Reasons

1. 2x + 11 = 15                    1. Given

2. 2x = 4                            2. Subtraction Property of Equality

3. X = 2                              3. Division Property of Equality

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