Mathematics, 29.11.2019 03:31, krishawnnn
This problem addresses some common algebraic errors. for the equalities stated below assume that x and y stand for real numbers. assume that any denominators are non-zero. mark the equalities with t (true) if they are true for all values of x and y, and f (false) otherwise.
1. (x+y)^2 =x^2+y^2 __
2. (x+y)^2 = x^2 +2xy+y^2__
3. x/x+y=1/y__
4. x−(x+y) = y__
5. √x^2 =x__
6. √x^2 = |x|__
7. √x^2+4=x+2__
8. 1/x+y=1/x+1/y__
Answers: 1
Mathematics, 21.06.2019 14:30, hjlhdjfhjh
What is the value of x in the figure below? if necessary, round your answer to the nearest tenth of a unit. 12 d 4 b оа. 3.1 ов. 6.9 ос. 4 od. 12
Answers: 2
Mathematics, 21.06.2019 15:00, juju323261
With these: 18/36 = 1/? missing number change 1 5/8 to improper fraction. change 19/5 to a mixed number.
Answers: 1
Mathematics, 21.06.2019 15:30, evalentine843
Write the expression in simplified radical form. show all steps and work including any foil method work. (hint: use the conjugate. no decimal answers.) (9-2√3)/(12+√3)
Answers: 1
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