Mathematics, 19.11.2020 21:40 miajacobs110
1. MARÍA COMPRÓ 40 REGLAS, UNAS A $5 Y OTRAS A $7. GASTO $230. ¿CUÁNTAS REGLAS DE CADA TIPO COMPRO?
2. EN LA BODEGA HAY 25 ARCHIVEROS, UNOS DE TRES CAJONES Y OTROS DE CUATRO. SI EN TOTAL HAY 85 CAJONES, ¿CUÁNTOS ARCHIVEROS HAY DE CADA TIPO?
3. SE FORMÓ UN TUVO DE 42.5 M UNIENDO QUINCE TRAMOS. UNOS TRAMOS ERAN DE 2.7M Y OTROS DE 3.1 M. ¿CUÁNTOS TRAMOS DE CADA TIPO USARON?
Answers: 3
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 21:40
In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.
Answers: 3
Mathematics, 21.06.2019 22:50
What is the ordered pair of m’ after point m (5, 6) is rotated 90° counterclockwise?
Answers: 2
1. MARÍA COMPRÓ 40 REGLAS, UNAS A $5 Y OTRAS A $7. GASTO $230. ¿CUÁNTAS REGLAS DE CADA TIPO COMPRO?...
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