Mathematics, 09.07.2019 06:30, leleee10
How much of an alloy 30% copper must be added to 25 pounds of a second alloy which is 20% copper to create a 27% alloy?
Answers: 1
Mathematics, 21.06.2019 22:30, renaudciera
Use the following statements to write a compound statement for the conjunction or disjunction. then find its truth value. p: an isosceles triangle has two congruent sides. q: a right angle measures 90° r: four points are always coplanar. s: a decagon has 12 sides. a) a right angle measures 90° or an isosceles triangle has two congruent sides; true. b) a right angle measures 90° and an isosceles triangle has two congruent sides; true. c) a right angle measures 90° and an isosceles triangle does not have two congruent sides; false. d) a right angle measures 90° or an isosceles triangle does not have two congruent sides; true.
Answers: 3
How much of an alloy 30% copper must be added to 25 pounds of a second alloy which is 20% copper to...
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