Mathematics, 28.01.2021 23:50 marialuis9115
Define two variables. Write a system of equations, and then solve.
In a chemistry lab, you have two vinegars. One is 5% acetic acid and one
is 6.5% acetic acid. You want to make 60 L of a vinegar with 6% acetic
acid. How many liters of each do you need?
Answers: 3
Mathematics, 21.06.2019 15:50
Which of the following represents a number squared is equal to twenty more than nine times that number ? a) x squared = 9x + 20 b) x squared = 20x + 9 c) x squared > 9 + 20x d) x squared = 9 + x + 20
Answers: 2
Mathematics, 21.06.2019 20:30
Arectangle has a width of 5 cm and a length of 10 cm. if the width is increased by 3, how does the perimeter change?
Answers: 1
Mathematics, 22.06.2019 00:20
Find the power set of each of these sets, where a and b are distinct elements. a) {a} b) {a, b} c) {1, 2, 3, 4} show steps
Answers: 1
Define two variables. Write a system of equations, and then solve.
In a chemistry lab, you have two...
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