B-1/4=3 1/2 solve the equation, and check the solution

b = 15/4 = 12/4 + 3/4 = 3  3/4 (in mixed number form)

Step-by-step explanation:

Let's start by converting the mixed number into an improper fraction so we can operate easily in the solving:

3  1.2 = 3 + 1/2 = 6/2 + 1/2 = 7/2

Now we solve the equation:

b - 1/4 = 7/2

add 1.4 to both sides

b = 7/2 + 1/4 = 14/4 + 1/4 = 15/4

Therefore, b = 15/4 = 12/4 + 3/4 = 3  3/4 (in mixed number form)

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step-by-step explanation:

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i think it is everything has to equal 180 so, if i correct 4=c. 6=d. 8=a. 7=b. and the last question would be c. because they are parallel lines and they are congruent.

step-by-step explanation:

the reason everything has to equal to 180 is because that is how it works. i'm guessing that is its rule. 4 and 8 are congruent and parallel so, that would be 30+30 because they have the same number. it would equal 60. 6 and 7 are congruent and parallel so, that would be 30+30 because they have the same number. it would equal 60. 60+60 is 180. so, now you have your answer