Mathematics, 17.04.2020 00:12 meowmeowcow
Numa papelaria, cada caderno custa 5 reais a mais que uma caneta. Marcos comprou 4 cadernos e 3 canetas e pagou por essa compra 104 reais. Quanto custou cada caneta?
Answers: 2
Mathematics, 21.06.2019 14:10
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 22:30
Aaron invested a total of $4,100, some in an account earning 8% simple interest, and the rest in an account earning 5% simple interest. how much did he invest in each account if after one year he earned $211 in interest? select one: a. $200 at 8%, $3,900 at 5% b. $3,200 at 8%, $900 at 5% c. $900 at 8%, $3,200 at 5% d. $3,900 at 8%, $200 at 5%
Answers: 1
Mathematics, 22.06.2019 01:50
Order the equations from least to greatest based on the number of solutions to each equation.-4^x -1 = 3^(-x) – 2 -3x + 6 = 2^x+13^x – 3 = 2x - 2
Answers: 1
Numa papelaria, cada caderno custa 5 reais a mais que uma caneta. Marcos comprou 4 cadernos e 3 cane...
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