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Q: 10a-5b equals 25 what is b?

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Let B = base25% = 0.25Equation: 25% of B = 70.25 * B = 7B= 7/0.25B= 28therefore, 25% of 28 equals 7.

The values of a and b are 7 and 18 or 18 and 7

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2.5 + 3.4 Pythagorean Theorem?

a+b = 17a+c = 36 ----> c = 36 - ab+c = 25 ----> c = 25 - bSo since both are c, we say36 - a = 25 -bFrom this : 11 = a - bLook at 1st eqn: a + b = 17Now we have: a - b = 11 ----> a = 11 + bSo we can substitute that into a + b = 17 to make:(11 + b) + b = 1711 + 2b = 17So b = 3If b = 3, then a + 3 = 17 , so a = 14, 3 + c = 25, so c = 22So a=14, b=3, c=22, so a+b+c = 14+3+22 = 39

2a. (a, b and c are all equal.)

6 === the what does B =

If a equals 3 and b equals minus 5 then a minus b equals what

a= (+a) or a= (-) b= 2a b= 2a c= (-a) c= (+a)

b = 6

25-6.25 equals = 18.75

It equals 625.

Reflexive.

A.

by transitive property

a - b = c -(a - b) = -c b - a = -c

A - B = 11A = 11 + whatever ' B ' is.

a=b=3.60555

25 inches - exactly.

a+b=a+b

Yes.

B=61

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