Na calculadora, apertei algumas teclas. Depois, pressionei tres vezes a tecla =, e apareceu a sequência:

420

a-) Quais teclas apertei inicialmente?

b-) Se eu apertar mais três vezes a tecla =, que números aparecerão?

Find the volume of the described solid.the solid lies between planes perpendicular to the x-axis at x = 0 and x=7. the cross sectionsperpendicular to the x-axis between these planes are squares whose bases run from the parabolay=-31x to the parabola y = 30/x.a) 441b) 147c) 864d) 882

Write an introductory paragraph for this corrie ten boom and her family were faced with some difficult choices after hitler came to power. some family members paid the ultimate price. write a carefully thought-out paper of at least 200 words dealing with the following concepts: --how should a christian act when evil is in power? --what do you think it would be like to live in an occupied country? remember to proofread anything you write thoroughly.

Solve for n? [tex]z = \frac{3}{4} mn[/tex]