Mathematics, 24.07.2019 19:00 ghernadez
50 gallons of 70% acid solution are obtained by mixing and 80% solution with a 50% solution. how many gallons of each solution must be used to obtain the desired mixture?
Answers: 1
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Which linear equations have an infinite number of solutions? check all that apply. (x – 3/7) = 2/7(3/2x – 9/14)8(x + 2) = 5x – 1412.3x – 18 = 3(–6 + 4.1x)(6x + 10) = 7(x – 2)4.2x – 3.5 = 2.1 (5x + 8)
Answers: 3
Mathematics, 21.06.2019 20:30
Two angles are complementary. the larger angle is 36 more than the smaller angle. what is the measure of the larger angle?
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Given: lines a and b are parallel and line c is a transversal. prove: 2 is supplementary to 8 what is the missing reason in the proof? statement reason 1. a || b, is a transv 1. given 2. ∠6 ≅ ∠2 2. ? 3. m∠6 = m∠2 3. def. of congruent 4. ∠6 is supp. to ∠8 4. def. of linear pair 5. ∠2 is supp. to ∠8 5. congruent supplements theorem corresponding angles theorem alternate interior angles theorem vertical angles theorem alternate exterior angles theorem
Answers: 3
50 gallons of 70% acid solution are obtained by mixing and 80% solution with a 50% solution. how man...
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