Mathematics, 31.01.2020 18:45 genyjoannerubiera
5x-2y=-10 3x+6y=66 using elimination method
Answers: 2
Mathematics, 21.06.2019 17:30
Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil
Answers: 1
Mathematics, 21.06.2019 20:10
Complete the solution of the equation. find the value of y when x equals -5. -4x - 8y = -52
Answers: 2
Mathematics, 21.06.2019 22:00
Ascientist has 50 grams of a radioactive element. the amount of radioactive element remaining after t days can be determined using the equation (1) after two days the scientist receives a second shipment of 50 grams of the same element. the equation used to represent the amount of shipment 2 remaining after t days is 10) - 50 which of the following is an equivalent form of the expression for the amount remaining in shipment 2? what’s the answer?
Answers: 2
Mathematics, 21.06.2019 23:40
Let x = a + bi and y = c + di and z = f + gi. which statements are true?
Answers: 1
5x-2y=-10 3x+6y=66 using elimination method...
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